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5.7 Connecting DC Input Power Cables

Precautions

D ANGER

● Before connecting the DC input power cable, ensure that the DC voltage is

within the safe range (lower than 60 V DC) and that the three DC switches on

the solar inverter are set to OFF. Failing to do so may result in electric shocks.

● If you turn a DC SWITCH to ON by mistake when connecting or disconnecting

DC input power cables, do not remove or insert DC input terminals. If you need

to remove or insert a DC input terminal, perform the operations provided in

8.2

Power-Off for Troubleshooting

● When the solar inverter operates in grid-tied mode, do not perform

maintenance or operations on the DC circuit, such as connecting or

disconnecting a PV string or a PV module in the PV string. Failing to do so may

cause electric shocks or arcing, which may also cause fire.

WARNING

Ensure that the following conditions are met. Otherwise, the solar inverter may be

damaged, or even a fire could happen.
●

The open-circuit voltage of each PV string must be 1100 V DC or lower under

any circumstances.

●

The polarities of electric connections are correct on the DC input side. The

positive and negative terminals of a PV module connect to corresponding

positive and negative DC input terminals of the solar inverter.

NO TICE

● Ensure that the PV module output is well insulated to ground.
● The PV strings connecting to the same MPPT circuit should contain the same

number of identical PV modules.

● The solar inverter does not support full parallel connection for PV strings (full

parallel connection: PV strings connect to one another in parallel outside the

solar inverter and then connect to the solar inverter separately).

● During the installation of PV strings and the solar inverter, the positive or

negative terminals of PV strings may be short-circuited to ground if the power

cable is not properly installed or routed. In this case, an AC or DC short circuit

may occur and damage the solar inverter. The caused device damage is not

covered under any warranty.

SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series

User Manual

5 Electrical Connections

Issue 11 (2021-11-10)

Содержание SUN2000-100KTL

Страница 1: ...SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual Issue 11 Date 2021 11 10 HUAWEI TECHNOLOGIES CO LTD ...

Страница 2: ...cribed in this document may not be within the purchase scope or the usage scope Unless otherwise specified in the contract all statements information and recommendations in this document are provided AS IS without warranties guarantees or representations of any kind either express or implied The information in this document is subject to change without notice Every effort has been made in the prep...

Страница 3: ...tions The symbols that may be found in this document are defined as follows Symbol Remarks Indicates a hazard with a high level of risk which if not avoided will result in death or serious injury Indicates a hazard with a medium level of risk which if not avoided could result in death or serious injury Indicates a hazard with a low level of risk which if not avoided could result in minor or modera...

Страница 4: ...Solar Inverter Updated 5 2 Preparing Cables Updated 5 3 Connecting the PE Cable Updated 5 6 Connecting an AC Output Power Cable Updated 6 2 Powering On the SUN2000 Updated 10 Technical Specifications Updated B Grid Code Issue 10 2021 09 28 Updated 2 3 Label Description Updated 2 4 1 Product Appearance Updated 4 5 Installing a Solar Inverter Updated 5 2 Preparing Cables Updated 5 7 Connecting DC In...

Страница 5: ... with the SUN2000 App Updated 8 3 Routine Maintenance Updated 8 4 Troubleshooting Issue 06 2020 08 10 Updated 4 3 Determining the Installation Position Issue 05 2020 03 30 Updated 2 4 2 Indicator Status Updated 10 Technical Specifications Issue 04 2020 02 07 Updated 5 7 Connecting DC Input Power Cables Issue 03 2019 12 08 Updated 3 Solar Inverter Storage Updated 4 5 Installing a Solar Inverter Upd...

Страница 6: ...ectors Updated B Grid Code Added C Domain Name List of Management Systems Issue 02 2019 08 09 Added the SUN2000 110KTL M0 SUN2000 100KTL M0 SUN2000 100KTL M1 and SUN2000 100KTL INM0 models Issue 01 2019 05 15 This issue is used for first office application FOA SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual About This Document Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd v ...

Страница 7: ... 2 4 2 Indicator Status 16 2 5 Working Principles 18 2 5 1 Circuit Diagram 18 2 5 2 Working Modes 20 3 Solar Inverter Storage 22 4 Installation 24 4 1 Check Before Installation 24 4 2 Tools 25 4 3 Determining the Installation Position 26 4 4 Installing the Mounting Bracket 30 4 4 1 Support mounted Installation 31 4 4 2 Wall mounted Installation 32 4 5 Installing a Solar Inverter 33 5 Electrical Co...

Страница 8: ...e Parameters 80 7 1 4 4 Built in PID Recovery 84 7 1 4 5 AFCI 86 7 1 5 Operations Related to the Special User 87 7 1 5 1 Setting Grid Parameters 87 7 1 5 2 Setting Protection Parameters 89 7 1 5 3 Setting Feature Parameters 91 7 1 5 4 Setting Power Adjustment Parameters 95 7 2 Optional Installing a Smart Dongle 100 7 3 Operations with a USB Flash Drive 100 7 3 1 Exporting Configurations 101 7 3 2 ...

Страница 9: ...ns 129 A Securing Y Branch Connectors 134 B Grid Code 137 C Domain Name List of Management Systems 145 D Acronyms and Abbreviations 146 SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual Contents Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd viii ...

Страница 10: ...warranty Follow local laws and regulations when installing operating or maintaining the equipment The safety instructions in this document are only supplements to local laws and regulations Huawei will not be liable for any consequences of the following circumstances Operation beyond the conditions specified in this document Installation or use in environments which are not specified in relevant i...

Страница 11: ...cannot be exposed to an outdoor environment for a long period of time Do not open the host panel of the equipment You shall not reverse engineer decompile disassemble adapt add code to the device software or alter the device software in any other way research the internal implementation of the device obtain the device software source code infringe on Huawei s intellectual property or disclose any ...

Страница 12: ... trained personnel and professionals 1 3 Electrical Safety Grounding For the equipment that needs to be grounded install the ground cable first when installing the equipment and remove the ground cable last when removing the equipment Do not damage the ground conductor Do not operate the equipment in the absence of a properly installed ground conductor Ensure that the equipment is connected perman...

Страница 13: ...that the cables used in a grid tied PV power system are properly connected and insulated and meet specifications 1 4 Installation Environment Requirements Ensure that the equipment is installed in a well ventilated environment To prevent fire due to high temperature ensure that the ventilation vents or heat dissipation system are not blocked when the equipment is running Do not expose the equipmen...

Страница 14: ...t shift outside the legs of the ladder Drilling Holes When drilling holes into a wall or floor observe the following safety precautions Wear goggles and protective gloves when drilling holes When drilling holes protect the equipment from shavings After drilling clean up any shavings that have accumulated inside or outside the equipment Moving Heavy Objects Be cautious to avoid injury when moving h...

Страница 15: ...ipment with sufficient knowledge of this document and using proper tools and testing equipment Before maintaining the equipment power it off and follow the instructions on the delayed discharge label to ensure that the equipment is powered off Turn off the AC and DC switches of the SUN2000 when maintaining the electric equipment or power distribution equipment connected the SUN2000 Place temporary...

Страница 16: ...her countries or regions Huawei does not provide quality assurance This document covers the following product models SUN2000 125KTL M0 SUN2000 110KTL M0 SUN2000 100KTL M0 SUN2000 100KTL M1 SUN2000 100KTL INM0 SUN2000 75KTL M1 Figure 2 1 Model SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 2 Overview Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 7 ...

Страница 17: ...egion IN India 5 Design code M0 and M1 product series with an input voltage level of 1100 V DC Model Identification You can obtain the solar inverter model from the model label on the external package and the nameplate on the side of the enclosure Figure 2 2 Position of the model label on the external package 1 Position of the model label SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 2 Ove...

Страница 18: ...stics Smart Ten independent maximum power point tracking MPPT circuits and 20 PV string inputs Flexible configuration of PV strings is supported Smart PV module self learning Automatically detects PV module failures helping rectify faults Optimizes the working mode to obtain the optimal working mode of the system Smart air cooling Adjusts the fan speed based on the ambient temperature and load to ...

Страница 19: ...le PV plants and commercial distributed grid tied systems Typically a grid tied PV system consists of the PV string solar inverter AC combiner box and transformer station Figure 2 4 Networking 1 PV string 2 SUN2000 3 AC combiner box 4 Transformer station 5 Power grid NOTE The SUN2000 125KTL M0 is powered by a dedicated power transformer instead of connecting to low voltage overhead power lines In ...

Страница 20: ...se there is a large contact current after the inverter is powered on Delayed discharge High voltage exists after the inverter is powered on Only qualified and trained electrical technicians are allowed to perform operations on the inverter Residual voltage exists after the inverter is powered off It takes 15 minutes for the inverter to discharge to the safe voltage Refer to documentation Reminds o...

Страница 21: ...d Fan operation warning High voltage exists after the inverter is powered on Do not touch the fans when the inverter is working Fan replacement warning Before replacing a fan disconnect its power connectors Inverter ESN label Indicates the inverter serial number Weight label The inverter needs to be carried by four persons or using a pallet truck 2 4 Product Appearance SUN2000 75KTL 100KTL 110KTL ...

Страница 22: ...ed with SUN2000s The screws are used to secure DC switches DC SWITCH 1 DC SWITCH 2 and DC SWITCH 3 to prevent them from being turned on by mistake Figure 2 7 Port Illustration Manual DC Switch 1 DC input terminal group 1 PV1 PV8 controlled by DC SWITCH 1 2 Optional Screw hole for DC switch 1 3 DC switch 1 DC SWITCH 1 4 DC input terminal group 2 PV9 PV14 controlled by DC SWITCH 2 SUN2000 75KTL 100K...

Страница 23: ...1 RESET 1 5 DC input terminal group 2 PV9 PV14 controlled by DC SWITCH 2 6 Optional Screw hole for DC switch 2 7 DC switch 2 1 DC SWITCH 2 8 Reset button 2 RESET 2 9 DC input terminal group 3 PV15 PV20 controlled by DC SWITCH 3 10 Optional Screw hole for DC switch 3 11 DC switch 3 1 DC SWITCH 3 12 Reset button 3 RESET 3 13 Ventilation valve 14 USB port 15 Communications port COM 16 Hole for the AC...

Страница 24: ...ring port of a 3 pin model SUN2000 125KTL M0 1 DC input terminals 2 RS485 port 3 Ground point on the enclosure 4 AC terminal block 3 pin SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 2 Overview Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 15 ...

Страница 25: ...r Status Figure 2 12 Indicator No Indicator Status Blinking Fast On for 0 2s and then Off for 0 2s Blinking Slowly On for 1s and then Off for 1s Description 1 PV connection indicator Steady green At least one PV string is properly connected and the DC input voltage of the corresponding MPPT circuit is at least 200 V SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 2 Overview Issue 11 2021 11 ...

Страница 26: ...verter is generated Off The solar inverter is not in grid tied mode 3 Communications indicator Blinking green fast The solar inverter receives communication data normally Off The solar inverter has not received communication data for 10 seconds 4 Alarm Maintenance indicator Alarm status Steady red A major alarm is generated If the PV connection indicator or grid connection indicator is blinking gr...

Страница 27: ...ple local maintenance includes data import and export using a USB flash drive and connecting to the SUN2000 app over a WLAN module a Bluetooth module or a USB data cable If an alarm is generated during local maintenance the alarm maintenance indicator shows the local maintenance state first After the USB flash drive WLAN module Bluetooth module or USB data cable is removed the indicator shows the ...

Страница 28: ...Figure 2 13 Schematic diagram of a 3 pin model SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 2 Overview Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 19 ...

Страница 29: ...agram of 4 pin models 2 5 2 Working Modes The SUN2000 can work in Standby Operating or Shutdown mode SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 2 Overview Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 20 ...

Страница 30: ... power and feeds the power to the power grid The SUN2000 tracks the maximum power point to maximize the PV string output If the SUN2000 detects a fault or a shutdown command it enters the Shutdown mode The SUN2000 enters Standby mode after detecting that the PV string output power is not suitable for connecting to the power grid for generating power Shutdown In Standby or Operating mode the SUN200...

Страница 31: ...g tape The ambient temperature and humidity should be suitable for the storage The air must not contain corrosive or flammable gases Figure 3 1 Storage temperature and humidity The solar inverter should be stored in a clean and dry place and be protected from dust and water vapor corrosion The solar inverter must be protected against rain and water Do not tilt the package or place it upside down T...

Страница 32: ...ar inverter has been stored for more than two years it must be checked and tested by professionals before being put into use SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 3 Solar Inverter Storage Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 23 ...

Страница 33: ...soon as possible NOTE You are advised to remove the packing materials within 24 hours before installing the solar inverter Checking Accessories After unpacking the solar inverter check that the components are intact and complete If any damage is found or any component is missing contact your dealer NOTE For details about the number of accessories delivered with the solar inverter see the Packing L...

Страница 34: ... Diagonal pliers Wire strippers Flat head screwdriver head M3 Rubber mallet Utility knife Cable cutter Crimping tool model PV CZM 22100 RJ45 crimping tool Open end wrench model PV MS HZ Vacuum cleaner Multimeter DC voltage measurement range 1100 V DC Marker SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 4 Installation Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 25 ...

Страница 35: ...property loss caused by accidental contact or other reasons during device operation Do not install the inverter in areas with flammable materials Do not install the inverter in areas with explosive materials Do not install the inverter in areas with corrosive materials Do not install the inverter where its enclosure and heat sinks are easily accessible because the voltage is high and these parts a...

Страница 36: ...nt Do not install the solar inverter on flammable building materials Ensure that the installation surface is solid enough to bear the solar inverter In residential areas do not install the solar inverter on drywalls or walls made of similar materials with a weak sound insulation performance because the noise generated by the solar inverter may interfere with residents Figure 4 1 Mounting structure...

Страница 37: ...nts Reserve enough space around the solar inverter for installation and heat dissipation Figure 4 3 Installation dimensions SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 4 Installation Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 28 ...

Страница 38: ...onsult the local technical support engineers When installing multiple solar inverters install them in horizontal mode if sufficient space is available and install them in triangle mode if no sufficient space is available Stacked installation is not recommended Figure 4 4 Horizontal installation mode recommended Figure 4 5 Triangle installation mode recommended SUN2000 75KTL 100KTL 110KTL 125KTL Se...

Страница 39: ...ing the security Torx wrench 1 Security Torx wrench The mounting bracket of the solar inverter has four groups of tapped holes each group containing four tapped holes Mark any hole in each group based on site requirements and mark four holes in total The two round holes are recommended SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 4 Installation Issue 11 2021 11 10 Copyright Huawei Technol...

Страница 40: ...ermine the positions for drilling holes using the mounting bracket Level the positions of mounting holes using a bubble or digital level and mark the positions with a marker Step 2 Drill holes using a hammer drill It is recommended that anti rust measures be taken on the positions for drilling holes Step 3 Secure the mounting bracket Figure 4 9 Installing the mounting bracket End SUN2000 75KTL 100...

Страница 41: ...d power cables buried inside NOTICE To prevent dust inhalation or contact with eyes wear safety goggles and an anti dust respirator when drilling holes Clean up any dust in and around the holes using a vacuum cleaner and measure the distance between holes If the holes are inaccurately positioned drill a new set of holes Level the head of the expansion sleeve with the concrete wall after removing t...

Страница 42: ... place the solar inverter on the ground use foam paper or other protection material to prevent damage to its cover Use the handles to facilitate installation Handles are optional and delivered separately Ensure that the handles are securely installed After the installation is complete remove the handles and keep them properly To avoid damage to the equipment do not lift or hoist a solar inverter w...

Страница 43: ... Procedure Step 1 Lift the solar inverter from the packing case and move it to the installation position Figure 4 13 Taking out the solar inverter Step 2 Optional Install screws for locking DC switches SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 4 Installation Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 34 ...

Страница 44: ... high to install the solar inverter on the mounting bracket run a rope that is strong enough to bear the solar inverter through the two lifting eyes and hoist the solar inverter NOTICE Hoist the solar inverter with care to protect it from colliding with the wall or other objects SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 4 Installation Issue 11 2021 11 10 Copyright Huawei Technologies C...

Страница 45: ...mounting bracket and align the solar inverter enclosure with the mounting bracket Figure 4 17 Mounting the solar inverter Step 6 Secure the solar inverter SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 4 Installation Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 36 ...

Страница 46: ...Figure 4 18 Tightening security Torx screws End SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 4 Installation Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 37 ...

Страница 47: ...electrical connection Wear proper PPE at all time when connecting cables To prevent poor cable connection due to overstress leave enough slack before connecting the cables to the appropriate ports NOTE The cable colors shown in the electrical connection diagrams provided in this chapter are for reference only Select cables in accordance with local cable specifications green and yellow cables are o...

Страница 48: ...diagram indicates the power cable indicates the power flow direction and and indicate the signal flow Figure 5 1 RS485 networking SmartLogger A PV string B SUN2000 C AC combiner box D Transformer station E Power grid F SmartLogger G Management system SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 5 Electrical Connections Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 39 ...

Страница 49: ...SDongle G Management system Figure 5 3 MBUS networking SmartLogger A PV string B SUN2000 C AC combiner box D Transformer station E Power grid F SmartLogger G Management system SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 5 Electrical Connections Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 40 ...

Страница 50: ...ded that less than 30 solar inverters be connected to each COM port on the SmartLogger and that less than 10 solar inverters be cascaded over the SDongle The RS485 communication distance between the last solar inverter and the SmartLogger cannot exceed 1000 m SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 5 Electrical Connections Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 41 ...

Страница 51: ...ed the EMI can be directly connected to the SmartLogger or connected to the last solar inverter cascaded over RS485 When the SDongle is used the EMI is a cascaded device that needs to be connected to the solar inverter where the SDongle is installed Prepared by the customer C SmartLogger The solar inverter communicates with the management system through the SmartLogger Purchased from Huawei SUN200...

Страница 52: ...ted current 16 A tripping C Prepared by the customer G AC switch Installed in the AC combiner box Recommended a three phase AC circuit breaker with a rated voltage greater than or equal to 500 V AC and a rated current of 250 A Prepared by the customer H SDongle The solar inverter communicates with the management system through the SDongle Purchased from Huawei NOTICE The solar inverter has an RCMU...

Страница 53: ...y the customer 4 Tracking system power cable Three core outdoor copper cable with dual layer protection 10 mm2 15 18 mm Prepared by the customer 5 AC output power cable multi core If you connect a PE cable to the ground point on the enclosure you are advised to use a three core L1 L2 and L3 outdoor cable and M12 OT DT terminals L1 L2 and L3 If you connect a PE cable to the ground point in the main...

Страница 54: ...Note 2 For some models the outer diameter of a single core cable ranges from 14 mm to 36 mm based on the label in the maintenance compartment Table 5 3 Cable description of 4 pin models S cross sectional area of the AC cable conductor Sp cross sectional area of the PE cable conductor No Cable Category Conductor Cross Sectional Area Range Outer Diameter Source 1 DC input power cable PV cable that m...

Страница 55: ...urce 4 Tracking system power cable Three core outdoor copper cable with dual layer protection 10 mm2 15 18 mm Prepared by the customer SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 5 Electrical Connections Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 46 ...

Страница 56: ...OT DT terminals PE If you connect a PE cable to the ground point on the enclosure and the neutral wire is used you are advised to use a four core L1 L2 L3 and N outdoor cable and M12 OT DT terminals L1 L2 L3 and N If you connect a PE cable to the ground point in the maintenance compartment and the neutral wire is used you are advised to use a five core L1 L2 L3 N and PE outdoor cable M12 OT DT ter...

Страница 57: ... IEC 60364 5 54 5 3 Connecting the PE Cable Context NOTICE Proper grounding is helpful for resisting the impact of surge voltage and improving the electromagnetic interference EMI performance Before connecting the AC power cable DC power cables and communications cable connect the PE cable to the PE point You are advised to choose the ground point on the enclosure The ground point in the maintenan...

Страница 58: ...nsure that no electrical connections are made for the solar inverter on the AC or DC side If you need to open the maintenance compartment door in rainy or snowy days take protective measures to prevent rain or snow from entering the maintenance compartment If unavoidable do not open the maintenance compartment door Do not leave unused screws in the maintenance compartment Procedure Step 1 Open the...

Страница 59: ...s and keep them properly Figure 5 8 Removing the accessories Step 3 Select a crimping module according to the type of the AC output power cable SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 5 Electrical Connections Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 50 ...

Страница 60: ...scissors to cut off the joints of the rubber rings to remove them All rubber rings are removed in the same way NOTICE Remove the corresponding rubber rings in strict accordance with the cable diameter and ensure that the crimping module is not damaged Otherwise the protection level of the solar inverter will be affected Figure 5 10 Remove the rubber ring SUN2000 75KTL 100KTL 110KTL 125KTL Series U...

Страница 61: ... with a conduit to prevent short circuits caused by insulation layer damage Connect the power cable of the tracking system before the AC output power cable Otherwise reworking will be caused Procedure Step 1 Prepare a cable Step 2 Remove the corresponding rubber rings Step 3 Connect the power cable of the tracking system Figure 5 11 Connecting the power cable of the tracking system End SUN2000 75K...

Страница 62: ... before the AC output power cable Otherwise reworking will be caused Figure 5 12 Cable connection sequence 1 Power cable of the tracking system 2 AC output power cable WARNING Do not connect loads between the solar inverter and the AC switch Requirements for the OT DT Terminal If a copper cable is used use copper wiring terminals If a copper clad aluminum cable is used use copper wiring terminals ...

Страница 63: ...erminals along with copper aluminum transition spacers If copper aluminum transition spacers are used pay attention to the front and rear sides Ensure that the aluminum sides of spacers are in contact with aluminum wiring terminals and copper sides of spacers are in contact with the AC terminal block Figure 5 13 Requirements for the OT DT terminal SUN2000 75KTL 100KTL 110KTL 125KTL Series User Man...

Страница 64: ...Procedure Step 1 Prepare a cable Step 2 Remove rubber rings according to the cable diameter range Step 3 Secure the AC output power cable and PE cable Step 4 Install the support bar Step 5 Close the maintenance compartment door and tighten the two screws on the door SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 5 Electrical Connections Issue 11 2021 11 10 Copyright Huawei Technologies Co L...

Страница 65: ...o do so may cause the solar inverter to malfunction or damage to its terminal block by issues such as overheating Before closing the maintenance compartment door check that the cables are connected correctly and securely and clean up the foreign matter from the maintenance compartment If a screw on the maintenance compartment door is lost obtain the spare screw from the fitting bag tied at the bot...

Страница 66: ...efer to the corresponding label to get the supported size Figure 5 18 3 pin model 125KTL cable connections A Four core cable B Three core cable C Single core cable SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 5 Electrical Connections Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 57 ...

Страница 67: ... cable including the neutral wire F Single core cable excluding the neutral wire NOTE The cable colors shown in figures are for reference only Select an appropriate cable according to the local standards Figure 5 20 Closing the Maintenance Compartment Door End SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 5 Electrical Connections Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 58 ...

Страница 68: ...oltage of each PV string must be 1100 V DC or lower under any circumstances The polarities of electric connections are correct on the DC input side The positive and negative terminals of a PV module connect to corresponding positive and negative DC input terminals of the solar inverter NOTICE Ensure that the PV module output is well insulated to ground The PV strings connecting to the same MPPT ci...

Страница 69: ...s Terminal Selection Number of PV Strings Terminal Selection 1 Any even numbered route 2 PV2 and PV10 3 PV2 PV10 and PV18 4 PV2 PV6 PV10 and PV18 5 PV2 PV6 PV10 PV14 and PV18 6 PV2 PV4 PV6 PV10 PV14 and PV18 7 PV2 PV4 PV6 PV10 PV14 PV18 and PV20 8 PV2 PV4 PV6 PV8 PV10 PV14 PV18 and PV20 9 PV2 PV4 PV6 PV8 PV10 PV14 PV16 PV18 and PV20 10 PV2 PV4 PV6 PV8 PV10 PV12 PV14 PV16 PV18 and PV20 11 PV1 PV2 P...

Страница 70: ...the fuses and their enclosures may be damaged due to overheating It is recommended that a clearance of 10 mm or more be reserved between fuse enclosures You are advised not to bind the fuse enclosures with other heat emitting conductors Do not place the Y branch connector harness on the ground A safe distance must be reserved between the Y branch connector harness and the ground to avoid impact ca...

Страница 71: ... 6 MPPT5 MPPT6 MPPT7 MPPT8 MPPT9 and MPPT10 7 MPPT1 MPPT5 MPPT6 MPPT7 MPPT8 MPPT9 and MPPT10 8 MPPT1 MPPT3 MPPT5 MPPT6 MPPT7 MPPT8 MPPT9 and MPPT10 9 MPPT1 MPPT2 MPPT3 MPPT5 MPPT6 MPPT7 MPPT8 MPPT9 and MPPT10 10 MPPT1 MPPT2 MPPT3 MPPT4 MPPT5 MPPT6 MPPT7 MPPT8 MPPT9 and MPPT10 Figure 5 22 Y branch Connector Solution SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 5 Electrical Connections Issu...

Страница 72: ... Staubli MC4 connectors delivered with the solar inverter If the PV connectors are lost or damaged purchase the connectors of the same model The device damage caused by incompatible PV connectors is beyond the warranty scope Procedure Step 1 Prepare the DC input power cables Step 2 Crimp positive and negative metal contacts Step 3 Insert the contacts into the corresponding positive and negative co...

Страница 73: ... positive and negative input terminals of the solar inverter Figure 5 23 Connecting DC input power cables Figure 5 24 Connector connection SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 5 Electrical Connections Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 64 ...

Страница 74: ...DC input power cable Connect the PV string connector to the inverter connector and then pull back the PV string connector along the axial direction to check whether the connectors are securely connected The connector must be securely connected Damages caused by improper connection are not covered under the warranty Figure 5 25 DC input power cabling requirement NOTICE During DC input power cabling...

Страница 75: ...ignal 2 RS485A OUT RS485 differential signal Used for cascading solar inverters or connecting to devices such as the SmartLogger 3 RS485B IN RS485 differential signal 4 RS485B OUT RS485 differential signal Protection ground 5 PE shielding ground 6 PE shielding ground N A SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 5 Electrical Connections Issue 11 2021 11 10 Copyright Huawei Technologies...

Страница 76: ...power control In the scenario of intelligent support tracking control the RS485 2 port is connected to the support tracking system to collect support information Connecting the RS485 Communications Cable When routing the communications cable separate it from power cables to prevent communication from being affected Connect the shield layer to the PE point This section describes how to connect thre...

Страница 77: ...mm four hole rubber plug Figure 5 28 Connecting RS485 communications cables 4 8 mm two hole or three hole rubber plug SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 5 Electrical Connections Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 68 ...

Страница 78: ...space is proper and the installation environment is clean and tidy 6 The maintenance compartment door is closed and the door screws are tightened 6 2 Powering On the SUN2000 Precautions WARNING When LED2 is steady green meaning that the inverter is grid tied do not turn on any DC switch Otherwise the inverter may be damaged because the insulation resistance is not detected SUN2000 75KTL 100KTL 110...

Страница 79: ...rofessionals before being put into use Procedure Step 1 Turn on the AC switch between the SUN2000 and the power grid NOTICE If you perform Step 3 before Step 1 the SUN2000 reports a fault about abnormal shutdown You can start the SUN2000 only after the fault is automatically rectified Step 2 Optional Remove the screws that secure DC SWITCH 1 DC SWITCH 2 and DC SWITCH 3 Store the screws properly fo...

Страница 80: ...00 operating status Step 6 Perform quick settings on the SUN2000 app For details see 7 1 Operations with the SUN2000 App End SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 6 Commissioning Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 71 ...

Страница 81: ...e maintenance as an easy to use maintenance platform Connection Mode After the DC or AC side of the SUN2000 is powered on you can connect the app to it through a WLAN module a Bluetooth module or a USB data cable NOTICE Over a WLAN module The USB Adapter2000 C WLAN module is supported Over a Bluetooth module The USB Adapter2000 B Bluetooth module is supported Over a USB data cable The USB 2 0 port...

Страница 82: ... the energy yield Only professionals are allowed to set the grid parameters protection parameters feature parameters and power adjustment parameters of the solar inverters If the grid parameters protection parameters and feature parameters are incorrectly set the solar inverters may not connect to the power grid If the power adjustment parameters are incorrectly set the solar inverters may not con...

Страница 83: ...t the bottom of the SUN2000 b The WLAN or Bluetooth function is enabled c Keep the mobile phone within 5 m from the SUN2000 Otherwise the communication between them would be affected Connection over a USB cable a The USB data cable is connected from the USB port at the bottom of the SUN2000 to the port on the mobile phone b If the USB data cable is successfully connected the message Connected to U...

Страница 84: ...e A password left unchanged for a long period of time may be stolen or cracked If a password is lost devices cannot be accessed In these cases the user is liable for any loss caused to the PV plant When the Bluetooth connection is used the connected Bluetooth device is named after last 8 digits of the SN barcode HWAPP After you select Use by default for this USB accessory a message that asks you t...

Страница 85: ...Figure 7 3 Selecting a connection mode with network access SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 7 Man Machine Interactions Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 76 ...

Страница 86: ... Scenario in which the SUN2000 is connected to other management systems Run the SUN2000 app and access the operation screen SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 7 Man Machine Interactions Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 77 ...

Страница 87: ...ser is liable for any loss caused to the PV plant During the login if five consecutive invalid password entries are made the interval between two consecutive entries is less than 2 minutes the account will be locked for 10 minutes The password should consist of six characters If you log in to the app after the device connects to the app for the first time or factory defaults are restored the quick...

Страница 88: ... Figure 7 7 Grid parameters Table 7 1 Grid parameters Parameter Description Grid Code Set this parameter based on the grid code of the country or region where the inverter is used and the inverter application scenario Isolation settings Set the working mode of the inverter based on the grounding status at DC side and the connection to the power grid End SUN2000 75KTL 100KTL 110KTL 125KTL Series Us...

Страница 89: ...SUN2000 detects the insulation resistance between the input side and the ground when it starts a self check If the detected value is less than the preset value the SUN2000 does not export power to the power grid End 7 1 4 3 Setting Feature Parameters Procedure Step 1 Choose Function Menu Settings Feature Parameters and set feature parameters SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 7 ...

Страница 90: ...ter to Enable and then the inverter will perform MPPT scanning at regular intervals to locate the maximum power MPPT multi peak scan interval min Specifies the MPPT scanning interval This parameter is displayed when MPPT multi peak scanning is set to Enable SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 7 Man Machine Interactions Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 81 ...

Страница 91: ...f the concentration PV module If the concentration PV modules are shaded the power drops drastically to 0 and the inverter shuts down The energy yield would be affected since it takes too long for the power to resume and inverter to restart The parameter does not need to be set for crystalline silicon and filmy PV modules If this parameter is set to Crystalline silicon or Film the inverter automat...

Страница 92: ...Automatic OFF due to communication interrupted is set to Enable Communication interruption duration min Specifies the duration for determining communication interruption Used for automatic shutdown for protection in case of communication interruption Soft start boot time s Specifies the duration for the power to gradually increase when the inverter starts Shutdown gradient s Specifies the power ch...

Страница 93: ...ion End 7 1 4 4 Built in PID Recovery NOTICE Ensure that the inverter ground cable is securely connected Otherwise the built in PID repair function will be affected and electric shocks may occur Working Principle When the SUN2000 is disconnected from the network the built in PID can repair the PV positive offset PV positive offset refers to raising the voltage between PV and the ground to above 0 ...

Страница 94: ...de of the inverter built in PID PID nighttime off grid repair Specifies whether to enable the PID nighttime off grid repair If PID running mode is not set to Disable the parameter can be set SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 7 Man Machine Interactions Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 85 ...

Страница 95: ...I function involves the DC arc fault alarm The SUN2000 has the AFCI alarm automatic clearance mechanism If an alarm is triggered for less than five times within 24 hours the SUN2000 automatically clears the alarm If the alarm is triggered for five times or more within 24 hours the SUN2000 locks for protection You need to manually clear the alarm on the SUN2000 so that it can work properly You can ...

Страница 96: ... PV plant name to go to the PV plant page and click OK as prompted to clear the alarm 7 1 5 Operations Related to the Special User Ensure that the DC side of the SUN2000 is energized before setting grid parameters protection parameters feature parameters and grid adjustment parameters 7 1 5 1 Setting Grid Parameters Procedure Step 1 Choose Function Menu Settings Grid Parameters and set grid parame...

Страница 97: ... to the power grid Output mode Specifies whether the inverter output has a neutral wire based on the application scenario Automatically start upon grid recovery Specifies whether to allow the inverter to automatically start after the power grid recovers Grid connected recovery time from grid faults s Specifies the time after which the inverter begins restarting after the power grid recovers SUN200...

Страница 98: ...uency is higher than Grid reconnection frequency upper limit the inverter is not allowed to reconnect to the grid Grid reconnection frequency lower limit Hz The standards of certain countries and regions require that after the inverter shuts down for protection due to a fault if the power grid frequency is lower than Grid reconnection frequency lower limit the inverter is not allowed to reconnect ...

Страница 99: ...when the power grid voltage is unbalanced 10 min overvoltage protection threshold V Specifies the 10 minute overvoltage protection threshold 10 min overvoltage protection duration ms Specifies the 10 minute overvoltage protection duration SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 7 Man Machine Interactions Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 90 ...

Страница 100: ...the two values Level N undervoltage protection duration ms Specifies the level N grid undervoltage protection duration NOTE N can be 1 2 3 4 5 or 6 Level N overfrequency protection threshold Hz Specifies the level N grid overfrequency protection threshold NOTE N can be 1 2 3 4 5 or 6 Level N overfrequency protection duration ms Specifies the level N grid overfrequency protection duration NOTE N ca...

Страница 101: ...voltage ride through When the grid voltage is abnormally low for a short time the inverter cannot disconnect from the power grid immediately and has to work for some time SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 7 Man Machine Interactions Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 92 ...

Страница 102: ...meter is displayed when LVRT is set to Enable Percentage of LVRT reactive current limiting During LVRT the solar inverter needs to limit the reactive current For example if you set Percentage of LVRT reactive current limiting to 50 the reactive current upper limit of the solar inverter is 50 of the rated current during LVRT This parameter is displayed when LVRT is set to Enable Threshold of LVRT z...

Страница 103: ...ter is 20 of the rated current when the AC voltage increases by 10 during HVRT This parameter is displayed when HVRT is set to Enable Grid voltage protection shield during VRT Specifies whether to shield the undervoltage protection function during LVRT or HVRT This parameter is displayed when LVRT or HVRT is set to Enable VRT exit hysteresis threshold Specifies the LVRT HVRT recovery threshold Thi...

Страница 104: ...utomatic shutdown for protection in case of communication interruption Soft start boot time s Specifies the duration for the power to gradually increase when the inverter starts Soft start time after grid failure s Specifies the time for the power to gradually increase when the inverter restarts after the power grid recovers TCP heartbeat interval s Specifies the TCP link timeout period for the so...

Страница 105: ...e scheduling instruction from the remote port Schedule instruction valid duration s Specifies the time for maintaining the scheduling instruction When this parameter is set to 0 the scheduling instruction takes effect permanently Maximum active power kW Specifies the output upper threshold for the maximum active power to adapt to different market requirements SUN2000 75KTL 100KTL 110KTL 125KTL Ser...

Страница 106: ...re that the power factor of the local power grid meets requirements This parameter is displayed when Isolation settings is set to Input ungrounded with TF Enable reactive power parameters at night When this parameter is set to Enable the inverter outputs reactive power based on the setting of Reactive power compensation at night Otherwise the inverter executes the remote scheduling command This pa...

Страница 107: ...ing Frequency for triggering overfrequency derating Cutoff frequency of overfrequency derating Frequency for exiting overfrequency derating Hz Specifies the frequency threshold for exiting overfrequency derating This parameter is displayed when Overfrequency derating is set to Enable When setting this parameter ensure that the following condition is met Frequency for exiting overfrequency derating...

Страница 108: ...ower controller Before setting the parameter confirm the controller type Incorrect setting will result in abnormal power output of the solar inverter Solar inverter applies only to the scenario where a single solar inverter is used or where a single inverter is used with a Smart Dongle Limit value for minimum PF of Q U characteristic curve Limits the current PF value to restrict the Q U curve outp...

Страница 109: ...Press the SIM card in place to lock it In this case the SIM card is correctly installed When removing the SIM card push it inward to eject it When reinstalling the cover of the Smart Dongle ensure that the buckle springs back in place Step 2 Secure the Smart Dongle Figure 7 17 Installing the Smart Dongle End 7 3 Operations with a USB Flash Drive USB flash drives of SanDisk Netac and Kingston are r...

Страница 110: ...N2000 app 3 Script validity period 4 Command Different command settings can produce different commands Configuration export command export param Configuration import command import param Data export command export log Upgrade command upgrade Step 3 Import the boot script file to the root directory of a USB flash drive Step 4 Connect the USB flash drive to the USB port The system automatically iden...

Страница 111: ...to a computer and check the exported data NOTE When the configuration export is complete the boot script file and exported file are in the root directory of the USB flash drive End 7 3 2 Importing Configurations Prerequisites A complete configuration file has been exported Procedure Step 1 Click Local maintenance script on the SUN2000 app to generate a boot script file see the FusionSolar APP and ...

Страница 112: ...Steady green An operation with a USB flash drive is successful End 7 3 3 Exporting Data Procedure Step 1 Click Local maintenance script on the SUN2000 app to generate a boot script file see the FusionSolar APP and SUN2000 APP User Manual Step 2 Import the boot script file to the root directory of a USB flash drive Step 3 Connect the USB flash drive to the USB port The system automatically identifi...

Страница 113: ...0 app is the initial password there is no need to perform Step 3 Step 5 When the login password of the SUN2000 app is not the initial password perform Step 3 Step 7 Step 3 Click Local maintenance script on the SUN2000 app to generate a boot script file see the FusionSolar APP and SUN2000 APP User Manual Step 4 Import the boot script file to a PC Step 5 Replace the boot script file sun_lmt_mgr_cmd ...

Страница 114: ...e is an operation with a USB flash drive Blinking green fast An operation with a USB flash drive has failed Steady green An operation with a USB flash drive is successful Step 8 The system automatically restarts when the upgrade is completed All LED indicators are off during the restart After the restart the indicator is blinking green slowly for 1 minute and then it becomes steady green which ind...

Страница 115: ...er off Procedure Step 1 Run a shutdown command on the SUN2000 app SmartLogger or NMS For details see 7 Man Machine Interactions or the SmartLogger or NMS user manual Step 2 Turn off the AC switch between the SUN2000 and the power grid Step 3 Set all DC switches to OFF NOTE For the SUN2000 90KTL H2 lock the DC switch using the saved screw after turning on it Step 4 Optional Install screws for locki...

Страница 116: ...is detected in an inverter Do not turn on the switch before the fault is cleared If the AC switch between the solar inverter and the power grid has automatically disconnected do not turn on the switch before the fault is rectified Before power off for troubleshooting do not touch the energized components of the solar inverter Otherwise electric shocks or arcing may occur Procedure Step 1 Wear prop...

Страница 117: ...all DC input switches of the solar inverter Figure 8 2 Power off for maintenance Step 7 Wait for 15 minutes and troubleshoot or repair the inverter WARNING Do not open the host panel for maintenance if the solar inverter is emitting odor or smoke or has obvious exceptions If the solar inverter does not emit odor or smoke and is intact repair or restart it based on the alarm handling suggestions Do...

Страница 118: ...very 6 to 12 months System running status The solar inverter is not damaged or deformed The solar inverter operates with no abnormal sound All solar inverter parameters are correctly set Perform this check when the solar inverter is running Once every 6 months Cables connections Cables are securely connected Cables are intact and in particular the parts touching the metallic surface are not scratc...

Страница 119: ...nverter is faulty As a result the output power decreases or the grid tied power generation is stopped Minor Some components are faulty without affecting the grid tied power generation Warning The solar inverter works properly The output power decreases or some authorization functions fail due to external factors SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 8 Maintenance Issue 11 2021 11 1...

Страница 120: ...ected in series in the PV string until the PV string open circuit voltage is not greater than the maximum operating voltage of the solar inverter After the PV array configuration is corrected the alarm disappears 2003 DC arc fault Major Cause ID 1 20 PV1 PV20 The PV string power cables arc or are in poor contact Check whether the PV string cables arc or are in poor contact 2011 String Reverse Conn...

Страница 121: ...odules connected in series in the PV string is less than that in other PV strings connected in parallel If yes wait until the solar irradiance declines at night and the PV string current drops below 0 5 A Then turn off the DC switches and add more PV modules 2 Check whether the PV string is shaded 3 Check whether the open circuit voltage of the PV string is normal SUN2000 75KTL 100KTL 110KTL 125KT...

Страница 122: ...on the PV module model Note If the PV is set to positive offset the voltage between the solar inverter PV and the ground should be greater than 0 V to clear the alarms if the PV is set to negative offset the voltage between the solar inverter PV and the ground should be less than 0 V to clear the alarms 4 If the alarm persists contact Huawei technical support 2015 PV String Loss Warnin g Cause ID ...

Страница 123: ...uit is disconnected or the AC switch is off 2033 Grid Undervo ltage Major Cause ID 1 The grid voltage is below the lower threshold or the undervoltage duration exceeds the time that triggers low voltage ride through LVRT 1 If the alarm occurs occasionally the power grid may be abnormal temporarily The solar inverter automatically recovers after detecting that the power grid becomes normal 2 If the...

Страница 124: ...consent of the local power operator modify the overvoltage protection threshold 3 Check whether the peak grid voltage exceeds the upper threshold 2035 Grid Volt Imbalan ce Major Cause ID 1 The difference between grid phase voltages exceeds the upper threshold 1 Check that the grid voltage is within the normal range 2 Check that the AC output power cable is correctly connected If the AC output powe...

Страница 125: ...y protection threshold with the consent of the local power operator 2037 Grid Underfre quency Major Cause ID 1 Power grid exception The actual power grid frequency is lower than the standard requirement for the local power grid 1 If the alarm occurs occasionally the power grid may be abnormal temporarily The solar inverter automatically recovers after detecting that the power grid becomes normal 2...

Страница 126: ...exceeds the upper threshold and therefore the solar inverter protection is triggered 1 The solar inverter detects its external working conditions in real time After the fault is rectified the solar inverter automatically recovers 2 If the alarm occurs frequently and affects the energy yield of the PV plant check whether the output is short circuited If the fault cannot be rectified contact your de...

Страница 127: ...er are properly connected 2 Check whether the voltage between the neutral wire and the ground exceeds 30 V If yes set Output mode to Three phase three wire on the mobile app SmartLogger or NMS after obtaining the consent of the local power operator 2062 Low Insulatio n Resistan ce Major Cause ID 1 1 The PV string is short circuited to PE 2 The PV string has been in a moist environment for a long t...

Страница 128: ...e fault has occurred on a circuit inside the solar inverter Turn off the AC output switch and DC input switch and then turn them on after 5 minutes If the fault persists contact your dealer or Huawei technical support NOTICE Cause ID 1 Perform the preceding operations when the PV string current is less than 1 A 2065 Upgrade Failed or Software Version Unmatc h Minor Cause ID 1 4 The upgrade does no...

Страница 129: ...e of PV arrays to ground is low The system insulation resistance is low Cause ID 1 1 Turn off the AC output switch and DC input switch wait for a period of time for details about the wait time see the description on the device safety warning label and then turn on the DC input switch and AC output switch 2 If the alarm persists contact your dealer or Huawei technical support Cause ID 2 1 Check the...

Страница 130: ... and wait for the solar inverter to start If the fault persists after 15 minutes replace the external fan 2087 Internal Fan Abnorm al Major Cause ID 1 The internal fan is short circuited the power supply is insufficient or the fan is damaged Turn off the AC output switch and then the DC input switch Turn them on after 5 minutes and wait for the solar inverter to connect to the power grid If the fa...

Страница 131: ...elow 0 5 A Then turn off the AC output switch and then the DC input switch After 5 minutes turn on the AC output switch and the DC input switch Wait until the inverter connects to the power grid If the fault persists 5 minutes later contact your dealer or Huawei technical support 2093 Abnorm al DC Switches Minor Cause ID 1 The DC switch is not in the ON position or the DC switch reset button is no...

Страница 132: ...your dealer or Huawei technical support 8 5 Replacing a Fan CAUTION Before replacing a fan power off the inverter When replacing a fan use insulation tools and wear personal protective devices NOTE If the fan tray gets stuck when being pulled or pushed slightly lift it Step 1 Remove the screw on the fan tray and save it Pull out the fan tray until the fan baffle plate aligns with the inverter chas...

Страница 133: ... Step 4 Remove cable ties from the faulty fan FAN 1 Faulty Figure 8 7 Removing the FAN 1 cable ties FAN 2 Faulty Figure 8 8 Removing the FAN 2 cable ties FAN 3 Faulty SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 8 Maintenance Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 124 ...

Страница 134: ...used as an example Figure 8 11 Installing a new fan Step 7 Bind the fan cables Binding positions for fan 1 Figure 8 12 Binding the FAN 1 cables Binding positions for fan 2 Figure 8 13 Binding the FAN 2 cables Binding positions for fan 3 SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 8 Maintenance Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 125 ...

Страница 135: ... in Step 9 Connect the cables correctly according to the cable labels and bind the cables Figure 8 16 Reconnecting and binding the cables Step 10 Push the fan tray into the slot and tighten the screw Figure 8 17 Reinstalling the fan tray End SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 8 Maintenance Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 126 ...

Страница 136: ...urned off In this case rectify the fault based on the alarm handling suggestions before turning on the DC switch Procedure Step 1 Loosen the nuts on the RESET buttons under the three DC switches Step 2 Press the RESET buttons until it cannot go further and then tighten the nuts of the RESET buttons Figure 8 18 Loading the DC switch DC SWITCH 1 is used as an example End SUN2000 75KTL 100KTL 110KTL ...

Страница 137: ...e the mounting bracket 9 2 Packing the SUN2000 If the original packing materials are available put the SUN2000 inside them and then seal them by using adhesive tape If the original packing materials are not available put the SUN2000 inside a suitable cardboard box and seal it properly 9 3 Disposing of the SUN2000 If the SUN2000 service life expires dispose of it according to the local disposal rul...

Страница 138: ... V Chinese efficiency 98 4 98 2 98 2 European efficiency 98 4 380 V 400 V and 98 6 480 V 98 4 415 V and 98 6 480 V 98 3 380 V 400 V and 98 4 480 V Input Item SUN2000 1 25KTL M0 SUN2000 1 10KTL M0 SUN2000 1 00KTL M0 SUN2000 1 00KTL M1 SUN2000 1 00KTL INM0 SUN2000 7 5KTL M1 Maximum input voltagea 1100 V Operating voltage rangeb 200 1000 V SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 10 Tech...

Страница 139: ... per MPPT 40 A Maximum backfeed current to the PV array 0 A Number of inputs 20 Number of MPP trackers 10 Note a The maximum input voltage is the upper threshold of the DC voltage If the input voltage exceeds the threshold the solar inverter may be damaged Note b If the input voltage is beyond the operating voltage range the solar inverter cannot work properly Output Item SUN2000 1 25KTL M0 SUN200...

Страница 140: ...id frequency 50 Hz 50 Hz 60 Hz 50 Hz 60 Hz 50 Hz 60 Hz 50 Hz 60 Hz 50 Hz 60 Hz Maximum output current 160 4 A 185 7 A 380 V and 176 4 A 400 V 168 8 A 380 V and 160 4 A 400 V 168 8 A 380 V 160 4 A 400 V and 133 7 A 480 V 154 6 A 415 V 133 7 A 480 V 113 6 A 380 V 108 6 A 400 V and 90 25 A 480 V Power factor 0 8 leading and 0 8 lagging Maximum total harmonic distortion rated power 3 Note a The rated ...

Страница 141: ...ercurrent protection Supported Input reverse connection protection Supported PV string fault detection Supported DC surge protection Supported AC surge protection Supported Insulation resistance detection Supported Residue current monitoring unit RCMU Supported Overvoltag e category PV II AC III SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual 10 Technical Specifications Issue 11 2021 11 10 C...

Страница 142: ...KTL M0 SUN2000 1 00KTL M1 SUN2000 1 00KTL INM0 SUN2000 7 5KTL M1 Dimensions W x H x D 1035 mm x 700 mm x 365 mm Net weight 81 kg 90 kg Operating temperatur e 25 C to 60 C Cooling mode Intelligent air cooling Highest operating altitude 4000 m Relative humidity 0 100 RH Input terminal Staubli MC4 Output terminal Crimping module OT DT terminal IP rating IP66 Topology Transformerless SUN2000 75KTL 100...

Страница 143: ...advised to install a tray or beam to secure the Y branch connectors Method 1 Using a Tray Prepare a tray based on the base size of the solar inverter and the cabling of the Y branch connectors Material outdoor corrosion resistant material Bearing capacity 10 kg Figure A 1 Recommended dimensions Step 1 Install a tray SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual A Securing Y Branch Connecto...

Страница 144: ... Using a Beam Prepare a beam based on the base size of the solar inverter and the cabling of the Y branch connectors Material outdoor corrosion resistant material Bearing capacity 10 kg SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual A Securing Y Branch Connectors Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 135 ...

Страница 145: ...re A 5 Installing a beam Step 2 Bind the Y branch connectors on the beam Figure A 6 Binding Y branch connectors End SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual A Securing Y Branch Connectors Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 136 ...

Страница 146: ...000 100KTL M1 SUN2000 100KTL INM0 SUN2000 75KTL M1 VDE AR N 4105 Germany LV Supported Supported NB T 32004 China Golden Sun LV Supported Supported Supported Supported UTE C 15 712 1 A France continent Supported Supported UTE C 15 712 1 B France islands Supported Supported UTE C 15 712 1 C France islands Supported Supported VDE 0126 1 1 BU Bulgaria Supported Supported SUN2000 75KTL 100KTL 110KTL 12...

Страница 147: ... Supported Supported G83 England England 230 V I 16 A Supported Supported G83 Scotland Scotland 240 V I 16 A Supported Supported CEI0 21 Italy Supported Supported EN50438 CZ Czech Republic Supported Supported RD1699 6 61 Spain LV Supported Supported RD1699 6 61 MV480 Spain MV Supported Supported EN50438 NL Netherlan ds Supported Supported C10 11 Belgium Supported Supported AS4777 Australia Support...

Страница 148: ...EA Thailand MEA Supported Supported BDEW MV480 Germany MV Supported Supported Custom MV480 50 Hz Reserved Supported Supported Supported Custom MV480 60 Hz Reserved Supported Supported Supported G59 England MV480 UK 480 V MV I 16 A Supported Supported IEC61727 MV480 IEC 61727 MV 50 Hz Supported Supported Supported UTE C 15 712 1 MV480 France islands Supported Supported TAI PEA MV480 Thailand MV PEA...

Страница 149: ...rted NRS 097 2 1 MV480 South Africa MV Supported Supported KOREA South Korea Supported Supported IEC61727 60Hz IEC 61727 LV 60 Hz Supported Supported Supported IEC61727 60Hz MV480 IEC 61727 MV 60 Hz Supported Supported Supported CHINA_M V500 China MV Supported ANRE Romania LV Supported Supported ANRE MV480 Romania MV Supported Supported PO12 3 MV480 Spain MV Supported Supported EN50438_ IE MV480 I...

Страница 150: ...Ireland Supported Supported EN50549 MV480 Ireland MV Supported Supported ABNT NBR 16149 Brazil Supported Supported ABNT NBR 16149 MV480 Brazil MV Supported Supported INDIA India LV Supported INDIA MV500 India MV Supported SA_RPPs South Africa LV Supported Supported SA_RPPs MV480 South Africa MV Supported Supported Malaysian Malaysia LV Supported Supported Malaysian MV480 Malaysia MV Supported Supp...

Страница 151: ...TAIPOWE R MV480 Taiwan MV Supported Supported BANGLAD ESH Banglades h LV Supported Supported BANGLAD ESH MV480 Banglades h MV Supported Supported EN50438 NL MV480 Netherlan ds MV Supported Supported Fuel_Engi ne_Grid DG grid hybrid Supported Supported Supported Supported Supported Fuel Engine Grid 60Hz DG grid hybrid Supported Supported Supported Supported Supported EN50438 SE Sweden LV Supported ...

Страница 152: ...V MV480 UK G99_Type B_HV MV Supported Supported G99 TYPEA HV UK G99_Type A_HV Supported Supported EN50549 MV400 Ireland Supported Supported VDE AR N4110 Germany 230 V MV Supported Supported Supported VDE AR N4110 MV480 Germany MV Supported Supported Supported NTS Spain Supported Supported NTS MV480 Spain MV Supported Supported C10 11 MV400 Belgium MV power grid Supported Supported CEA India CEA LV...

Страница 153: ...0KTL M1 SUN2000 100KTL INM0 SUN2000 75KTL M1 EN50549 SE Sweden Supported Supported DENMAR K EN50549 DK1 LV230 Denmark Supported Supported DENMAR K EN50549 DK2 LV230 Denmark Supported Supported SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual B Grid Code Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 144 ...

Страница 154: ...e Data Type Scenario intl fusionsolar huawei co m Public IP address FusionSolar hosting cloud NOTE The domain name is compatible with cn fusionsolar huawei com Chinese mainland SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual C Domain Name List of Management Systems Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 145 ...

Страница 155: ...y L LED light emitting diode M MBUS monitoring bus MPP maximum power point MPPT maximum power point tracking P PID potential induced degradation PV photovoltaic SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual D Acronyms and Abbreviations Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 146 ...

Страница 156: ... current monitoring unit W WEEE waste electrical and electronic equipment SUN2000 75KTL 100KTL 110KTL 125KTL Series User Manual D Acronyms and Abbreviations Issue 11 2021 11 10 Copyright Huawei Technologies Co Ltd 147 ...

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