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Electrical Connections

5.1 Precautions

D ANGER

Before connecting cables, ensure that all DC switches on the inverter are OFF.

Otherwise, the high voltage of the inverter may result in electric shocks.

WARNING

● The device damage caused by incorrect cable connections is beyond the

warranty scope.

● Only qualified technicians can perform operations about electrical connection.
● Wear proper PPE at all time when connecting cables.

NO TE

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 only used for protective earthing).

5.2 Crimping an OT or DT Terminal

Requirements for the OT or DT Terminal

●

If a copper cable is used, use copper wiring terminals.

●

If a copper-clad aluminum cable is used, use copper wiring terminals.

●

If an aluminum alloy cable is used, use copper-aluminum transition wiring

terminals, or aluminum wiring terminals along with copper-aluminum

transition spacers.

SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1

User Manual

5 Electrical Connections

Issue 05 (2020-08-30)

Содержание Iris Hellas SUN2000 Series

Страница 1: ...SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual Issue 05 Date 2020 08 30 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: ...be found in this document are defined as follows Symbol Description 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 moderate injury Indicates a p...

Страница 4: ...stem Power On Updated 7 1 Operations with the App Updated 8 3 Routine Maintenance Issue 04 2020 03 03 Updated 1 Safety Information Updated 2 3 1 Label Description Updated 5 8 Installing the Communications Cable Updated 7 1 Operations with the App Updated 10 Technical Data Added A Securing Y Branch Connectors Added C Domain Name List of Management Systems Issue 03 2019 09 10 Updated 5 7 Installing ...

Страница 5: ...ssue 01 2019 05 15 This issue is used for first office application FOA SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual About This Document Issue 05 2020 08 30 Copyright Huawei Technologies Co Ltd iv ...

Страница 6: ...orking Principles 14 2 4 1 Circuit Diagram 14 2 4 2 Working Modes 15 3 Solar Inverter Storage 17 4 Installation 19 4 1 Checking Before Installation 19 4 2 Preparing Tools 20 4 3 Determining the Installation Position 21 4 3 1 Environment Requirements 21 4 3 2 Space Requirements 23 4 4 Installing the Mounting Bracket 25 4 4 1 Support mounted Installation 26 4 4 2 Wall mounted Installation 27 4 5 Ins...

Страница 7: ...Setting Grid Parameters 59 7 1 4 2 Setting Protection Parameters 59 7 1 4 3 Setting Feature Parameters 60 7 1 5 Operations Related to the Special User 64 7 1 5 1 Setting Grid Parameters 64 7 1 5 2 Setting Protection Parameters 67 7 1 5 3 Setting Feature Parameters 68 7 1 5 4 Setting Power Adjustment Parameters 72 7 2 Operations with a USB Flash Drive 76 7 2 1 Exporting Configurations 76 7 2 2 Impo...

Страница 8: ...ring Access Detection 106 C Domain Name List of Management Systems 109 D Grid Code 110 E Acronyms and Abbreviations 114 SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual Contents Issue 05 2020 08 30 Copyright Huawei Technologies Co Ltd vii ...

Страница 9: ... 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 ...

Страница 10: ...ment with scratches cannot be exposed to an outdoor environment for a long period of time Do not open the host panel of the equipment Personal Safety If there is a probability of personal injury or equipment damage during operations on the equipment immediately stop the operations report the case to the supervisor and take feasible protective measures Use tools correctly to avoid hurting people or...

Страница 11: ...ge the ground conductor Do not operate the equipment in the absence of a properly installed ground conductor Ensure that the equipment is connected permanently to the protective ground Before operating the equipment check its electrical connection to ensure that it is securely grounded General Requirements DANGER Before connecting cables ensure that the equipment is intact Otherwise electric shock...

Страница 12: ...lated 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 equipment to flammable or explosive gas or smoke Do not perform any operation on the equipment in such environments 1 5 Mechanical Safety Using Ladders Use wooden or fiberglass ladders when you need to perform live wo...

Страница 13: ...e 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 heavy objects When moving the equipment by hand wear protective gloves to prevent injuries 1 6 Commissioning When the equipment is powered on for the first time ensure that professional personnel set parameters correctly I...

Страница 14: ...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 Place temporary warning signs or erect fences to prevent unauthorized access to the maintenance site If the equipment is faulty contact your dealer The equipment can be powered on only after all faults are rect...

Страница 15: ...d Model This document involves the following product models SUN2000 175KTL H0 SUN2000 185KTL INH0 SUN2000 185KTL H1 Figure 2 1 Model description SUN2000 185KTL INH0 is used as an example Table 2 1 Model description Tag Meaning Value 1 Series SUN2000 three phase grid tied PV string inverter SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 2 Overview Issue 05 2020 08 30 Copyright Huawei Technolog...

Страница 16: ...to grid tied PV systems for commercial rooftop PV plants and large PV plants Typically a grid tied PV system consists of the PV string inverter AC power distribution unit and step up transformer Figure 2 2 Network application A PV string B Inverter C AC distribution unit ACDU D Step up transformer E Power grid NOTE The SUN2000 is powered by a dedicated power transformer instead of connecting to lo...

Страница 17: ...point grounding of the step up transformer The SUN2000 itself does not connect to any neutral wire Figure 2 4 AC power system with the neutral point grounding 2 2 Appearance Dimensions SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 2 Overview Issue 05 2020 08 30 Copyright Huawei Technologies Co Ltd 9 ...

Страница 18: ...green at long intervals The test on the cable connection of PV strings is complete cables are correctly connected and the buzzer does not buzz Blinking red at long intervals The test on the cable connection of PV strings is in progress and the buzzer does not buzz Steady red The test on the cable connection of PV strings is complete cables are incorrectly connected and the buzzer buzzes Blinking g...

Страница 19: ...BUS communication Off The inverter has not received data over RS485 or MBUS communication for 10 seconds Alarm O M indication LED4 Steady red A major alarm is generated Blinking red at short intervals A minor alarm is generated Blinking red at long intervals A warning alarm is generated Steady green Local maintenance succeeds Blinking green at long intervals In local maintenance or shuts down over...

Страница 20: ... WLAN module or USB data cable is removed the indicator shows the alarm state Bottom View 1 DC input terminals controlled by DC SWITCH 1 2 DC switch 1 DC SWITCH 1 3 DC input terminals controlled by DC SWITCH 2 4 DC switch 2 DC SWITCH 2 5 DC input terminals controlled by DC SWITCH 3 6 DC switch 3 DC SWITCH 3 7 Ventilation valve 8 USB port USB 9 Communications port COM 10 AC output cable port 11 Pow...

Страница 21: ...ge to the safe voltage Refer to documentation Reminds operators to refer to the documents shipped with the inverter Grounding Indicates the position for connecting the protective earthing PE cable Operation warning Do not remove the DC input connector when the inverter is running Fan operation warning High voltage exists after the inverter is powered on Do not touch the fans when the inverter is w...

Страница 22: ...ing Principles 2 4 1 Circuit Diagram The inverter receives inputs from 18 PV strings Then the inputs are grouped into nine MPPT circuits inside the inverter to track the maximum power point of the PV strings The DC power is then converted into three phase AC power through an inverter circuit Surge protection is supported on both the DC and AC sides SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manu...

Страница 23: ... conceptual diagram 2 4 2 Working Modes The SUN2000 can work in Standby Operating or Shutdown mode SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 2 Overview Issue 05 2020 08 30 Copyright Huawei Technologies Co Ltd 15 ...

Страница 24: ...C 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 SUN20...

Страница 25: ...ng 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 ...

Страница 26: ...lar inverter has been stored for more than two years it must be checked and tested by professionals before being put into use SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 3 Solar Inverter Storage Issue 05 2020 08 30 Copyright Huawei Technologies Co Ltd 18 ...

Страница 27: ...ct your supplier as soon as possible Figure 4 1 Position of the inverter model label 1 Position of the model label NOTE You are advised to remove the packing materials within 24 hours before installing the inverter Package Contents After unpacking the inverter check that the contents are intact and complete If any damage is found or any component is missing contact your supplier SUN2000 175KTL H0 ...

Страница 28: ...ench set Torque wrench Diagonal pliers Wire stripper Flat head screwdriver Head 0 6 mm x 3 5 mm Rubber mallet Utility knife Cable cutter Crimping tool Model 32 6020 22100 HZ manufacturer Staubli Removal wrench Model 13001462 manufacturer Staubli Vacuum cleaner SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 4 Installation Issue 05 2020 08 30 Copyright Huawei Technologies Co Ltd 20 ...

Страница 29: ...parking lots stations and factories other than working and living areas install a protective net outside the device set up a safety warning sign to isolate the device and prevent unauthorized personnel from approaching the inverter This is to avoid personal injury or property loss caused by accidental contact or other reasons during device operation Do not install the inverter in areas with flamma...

Страница 30: ...sult Huawei A salt area refers to the region within 500 meters from the coast or prone to sea breeze The regions prone to sea breeze vary with weather conditions such as typhoons and monsoons or terrains such as dams and hills Figure 4 2 Installation environment Mounting Structure Requirements The mounting structure where the inverter is installed must be fire resistant Do not install the inverter...

Страница 31: ...NOTE For ease of installing the inverter on the mounting bracket connecting cables to the bottom of the inverter and maintaining the inverter in future it is recommended that the bottom clearance be between 600 mm and 730 mm If you have any question about the clearance consult the local technical support engineers SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 4 Installation Issue 05 2020 08 ...

Страница 32: ...nt space is available and install them in triangle mode if no sufficient space is available Stacked installation is not recommended Figure 4 6 Horizontal installation mode recommended SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 4 Installation Issue 05 2020 08 30 Copyright Huawei Technologies Co Ltd 24 ...

Страница 33: ...allation mode not recommended 4 4 Installing the Mounting Bracket Installation Precautions Figure 4 9 shows the inverter mounting bracket dimensions SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 4 Installation Issue 05 2020 08 30 Copyright Huawei Technologies Co Ltd 25 ...

Страница 34: ...total The two round holes are recommended Before installing the mounting bracket remove the security torx wrench from the mounting bracket and set it aside Figure 4 10 Removing a security torx wrench 4 4 1 Support mounted Installation Support mounted Installation Step 1 Install the mounting bracket SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 4 Installation Issue 05 2020 08 30 Copyright Hua...

Страница 35: ... 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 the bolt spring washer and flat washer Otherwise the mounting bracket will not be securely installed on the wall SUN2000 ...

Страница 36: ...ter take it out from the packing case and move it to the installation position NOTE Handles are packed in a fitting bag and are not delivered with the inverter Figure 4 13 Taking out and moving the inverter SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 4 Installation Issue 05 2020 08 30 Copyright Huawei Technologies Co Ltd 28 ...

Страница 37: ...ally place the inverter on the ground use foam paper or other protection material to prevent damage to its cover Do not lift or hoist the inverter using the bottom holes of the handles to prevent the handles from cracking Figure 4 14 Lifting positions Installing the Inverter Step 1 Mount the inverter on the mounting bracket Step 2 Tighten the two screws at the bottom of the inverter SUN2000 175KTL...

Страница 38: ...entary Notes If the inverter is installed in a high position you can hoist it Figure 4 16 Hoisting the inverter SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 4 Installation Issue 05 2020 08 30 Copyright Huawei Technologies Co Ltd 30 ...

Страница 39: ...tion diagrams provided in this chapter are for reference only Select cables in accordance with local cable specifications green and yellow cables are only used for protective earthing 5 2 Crimping an OT or DT Terminal Requirements for the OT or DT Terminal If a copper cable is used use copper wiring terminals If a copper clad aluminum cable is used use copper wiring terminals If an aluminum alloy ...

Страница 40: ... terminals 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 1 Requirements for the OT DT terminal SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manu...

Страница 41: ... OT or DT terminal closely Wrap the wire crimping area with a heat shrink tubing or PVC insulation tape The heat shrink tubing is used as an example When using a heat gun protect devices from being scorched Figure 5 2 Crimping an OT terminal 1 Cable 2 Core 3 Heat shrink tubing 4 OT terminal 5 Hydraulic pliers 6 Heat gun SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 5 Electrical Connections I...

Страница 42: ...u need to open the maintenance compartment door in rainy or snowy days take protective measures to prevent rain or snow 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 Partially loosen the two screws on the maintenance compartment door Step 2 Open the maintenance compartment ...

Страница 43: ...dels a three hole rubber plug is bound in the maintenance compartment After removing the rubber plug save it properly for future use Figure 5 5 Removing the accessories from the maintenance compartment 1 Crimping modules End SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 5 Electrical Connections Issue 05 2020 08 30 Copyright Huawei Technologies Co Ltd 35 ...

Страница 44: ...tage of no less than 800 V current of 16 A and protection type of gM needs to be installed between the inverter and the tracker controller for protection The cable between the wiring terminal on the power cable and the switch disconnector fuse or fuse switch disconnector should be less than or equal to 2 5 m Connect the power cable of the tracking system before the AC output power cable Otherwise ...

Страница 45: ...nnect itself from the power grid when an exception occurs select a proper overcurrent protection device in compliance with local power distribution regulations WARNING Do not connect loads between the inverter and the AC switch The inverter is integrated with a comprehensive residual current detection unit to distinguish fault current from residual current Upon detecting that the residual current ...

Страница 46: ...th multiple inverters connected in parallel connect the ground points of all inverters to ensure equipotential connections to ground cables Cable Specifications If you connect a ground cable to the ground point on the chassis shell you are advised to use a three core L1 L2 and L3 outdoor cable or three single core outdoor cables If you connect a ground cable to the ground point in the maintenance ...

Страница 47: ...s are different ensure that the conductor cross sectional area of the PE cable produces a conductance equivalent to that of the cable specified in this table The specifications of the PE cable are subject to this table or calculated according to IEC 60364 5 54 Connecting the PE Cable Step 1 Secure the PE cable using the ground screw Figure 5 8 Cable connection Step 2 Optional Apply silica gel or p...

Страница 48: ...e AC output power cable bears pulling force due to force majeure Figure 5 9 Cable connection End Connecting the AC Output Power Cable Single core Step 1 Connect the AC cable to the terminal block SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 5 Electrical Connections Issue 05 2020 08 30 Copyright Huawei Technologies Co Ltd 40 ...

Страница 49: ...PV string or a PV module in the PV string Failure to do so may cause electric shocks or arcing which may also cause fire WARNING Ensure that the following conditions are met Otherwise the inverter may be damaged or even a fire could happen The open circuit voltage of each PV string must always be 1500 V DC or lower The polarities of electric connections are correct on the DC input side The positiv...

Страница 50: ...ly installed or routed In this case an AC or DC short circuit may occur and damage the inverter The caused device damage is not covered under any warranty Terminal Description The inverter provides 18 DC input terminals which are controlled by its three DC switches DC SWITCH 1 controls DC input terminals 1 6 DC SWITCH 2 controls DC input terminals 7 12 and DC SWITCH 3 controls DC input terminals 1...

Страница 51: ...r Otherwise 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 avo...

Страница 52: ...PPT8 and MPPT9 6 MPPT4 MPPT5 MPPT6 MPPT7 MPPT8 and MPPT9 7 MPPT3 MPPT4 MPPT5 MPPT6 MPPT7 MPPT8 and MPPT9 8 MPPT1 MPPT3 MPPT4 MPPT5 MPPT6 MPPT7 MPPT8 and MPPT9 9 MPPT1 MPPT2 MPPT3 MPPT4 MPPT5 MPPT6 MPPT7 MPPT8 and MPPT9 N A N A Figure 5 12 Connecting Y branch connectors to the PV strings recommended SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 5 Electrical Connections Issue 05 2020 08 30 Cop...

Страница 53: ...e Conductor Cross sectional Area Unit mm2 Cable Outer Diameter Unit mm PV cable that meets the 1500 V standard 4 6 4 7 6 4 NOTICE Cables with high rigidity such as armored cables are not recommended because poor contact may be caused by the bending of cables SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 5 Electrical Connections Issue 05 2020 08 30 Copyright Huawei Technologies Co Ltd 45 ...

Страница 54: ...1500 V If the voltage is a negative value the DC input polarity is incorrect and needs correction If the voltage is greater than 1500 V too many PV modules configured to the same string Remove some PV modules Figure 5 15 Cable connection End 5 8 Installing the Communications Cable Precautions When routing communications cables separate communications cables from power cables to prevent communicati...

Страница 55: ...es such as the SmartLogger 3 RS485B IN RS485 differential signal 4 RS485B OUT RS485 differential signal PE 5 PE shielding ground 6 PE shielding ground RS485 2 7 RS485A RS485 differential signal 8 RS485B RS485 differential signal Used for connecting to RS485 slave devices Procedure Step 1 Install the communications cable SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 5 Electrical Connections I...

Страница 56: ...8 mm four hole rubber plug NOTICE Block unused cable holes using plugs and tighten cable glands SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 5 Electrical Connections Issue 05 2020 08 30 Copyright Huawei Technologies Co Ltd 48 ...

Страница 57: ...e compartment Block unused cable holes using plugs and tighten cable glands End 5 9 Closing the Maintenance Compartment Door Procedure Step 1 Adjust the support bar close the maintenance compartment door and tighten the two screws on the door SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 5 Electrical Connections Issue 05 2020 08 30 Copyright Huawei Technologies Co Ltd 49 ...

Страница 58: ...Figure 5 19 Closing the door End SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 5 Electrical Connections Issue 05 2020 08 30 Copyright Huawei Technologies Co Ltd 50 ...

Страница 59: ...aintenance compartment interior is clean and tidy without foreign matter 8 The maintenance compartment door is closed and the door screws are tightened 9 Idle DC input terminals are sealed 10 Idle USB ports are plugged with waterproof plugs 6 2 System Power On Precautions NOTICE Before turning on the AC switch between the inverter and the power grid check that the AC voltage is within the specifie...

Страница 60: ...nverter reports a fault about abnormal shutdown The inverter can start normally after the fault is automatically cleared Step 2 Turn the DC switches at the bottom of the inverter to ON End SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 6 System Commissioning Issue 05 2020 08 30 Copyright Huawei Technologies Co Ltd 52 ...

Страница 61: ...aintenance 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 is...

Страница 62: ...ering a reset factory reset shutdown or upgrade command to the solar inverters may cause power grid connection failure which affects 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 sola...

Страница 63: ...a WLAN module or a Bluetooth module a The WLAN module or Bluetooth module is connected to the USB port at 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 t...

Страница 64: ...or 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 to confirm the USB access will...

Страница 65: ...e SUN2000 app and access the operation screen Figure 7 5 Selecting a connection method Step 2 Select a login user and enter the login password to access the quick settings screen or the main menu screen SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 7 Man Machine Interactions Issue 05 2020 08 30 Copyright Huawei Technologies Co Ltd 57 ...

Страница 66: ...s If you log in to the SUN2000 app after the device connects to the app for the first time or factory defaults are restored the quick settings screen will be displayed If you do not set SUN2000 basic parameters on the quick settings screen the screen is still displayed when you log in to the app next time To set SUN2000 basic parameters on the quick settings screen switch to Advanced User If you l...

Страница 67: ...ection to the power grid 7 1 4 2 Setting Protection Parameters Procedure Step 1 ChooseFunction Menu Settings Protect Parameters to go to the parameter setting screen Figure 7 8 Protection parameters advanced user End Parameter No Parameter Description 1 Insulation resistance protection threshold MΩ To ensure device safety the inverter detects the insulation resistance of the input side with respec...

Страница 68: ...s used in scenarios where PV strings are greatly shaded set this parameter to Enable and then the inverter will perform MPPT scanning at regular intervals to locate the maximum power 2 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 175KTL H0 185KTL INH0 185KTL H1 User Manual 7 Man Machine Int...

Страница 69: ...os a power grid company requires that the inverter can perform reactive power compensation at night to ensure 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 5 PID protection at night When the inverter outputs reactive power at night and this parameter is set to Enable the inverter will shut dow...

Страница 70: ...due to shading If this parameter is set to CPV 2 the inverter can quickly restart in 10 minutes if the input power of PV modules drops drastically due to shading 8 Built in PID compensation direction When the external PID module compensates the PID voltage for the PV system set Built in PID compensation direction to the actual compensation direction of the PID module so that the inverter can outpu...

Страница 71: ...case of communication interruption 13 Soft start boot time s Specifies the duration for the power to gradually increase when the inverter starts 14 Shutdown gradient s Specifies the power change speed when the inverter shuts down 15 Night time hibernation The inverter monitors PV strings at night If this parameter is set to Enable the monitoring function of the inverter will hibernate at night to ...

Страница 72: ...e power grid experiences a short time failure After the fault is rectified the inverter output power needs to be quickly restored 7 1 5 Operations Related to the Special User If you log in to the app as Special User you can set grid parameters protection parameters feature parameters and power adjustment parameters for the SUN2000 7 1 5 1 Setting Grid Parameters Procedure Step 1 ChooseFunction Men...

Страница 73: ...overy Specifies whether to allow the inverter to automatically start after the power grid recovers 5 Grid connected recovery time from grid faults s Specifies the time after which the inverter begins restarting after the power grid recovers 6 Startup voltage lower threshold of grid connection V According to the standards of certain countries and regions after the inverter is powered on for the fir...

Страница 74: ...es and regions require that after the inverter shuts down for protection due to a fault if the power grid voltage is lower than Grid reconnection voltage lower limit the inverter is not allowed to reconnect to the grid 11 Grid reconnection frequency upper 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 gr...

Страница 75: ...ter needs to be protected when the phase angle offset of the power grid three phases exceeds a certain value 3 10 min overvoltage protection threshold V Specifies the 10 minute overvoltage protection threshold 4 10 min overvoltage protection duration ms Specifies the 10 minute overvoltage protection duration 5 Level N overvoltage protection threshold V Specifies the level N grid overvoltage protec...

Страница 76: ...ecifies the level N grid overfrequency protection duration 11 Level N underfrequency protection threshold Hz Specifies the level N grid underfrequency protection threshold 12 Level N underfrequency protection duration ms Specifies the level N grid underfrequency protection duration 7 1 5 3 Setting Feature Parameters Procedure Step 1 ChooseFunction Menu Settings Feature Parameters to access the set...

Страница 77: ...ative sequence During LVRT the solar inverter needs to generate negative sequence reactive power to support the power grid This parameter is used to set the negative sequence reactive power generated by the solar inverter For example if you set LVRT compensation power factor of reactive power in negative sequence to 2 the negative sequence reactive current generated by the solar inverter is 20 of ...

Страница 78: ...d by the solar inverter For example if you set HVRT reactive power compensation factor to 2 the positive sequence reactive current generated by the solar inverter is 20 of the rated current when the AC voltage increases by 10 during HVRT 12 HVRT compensation power factor of reactive power in negative sequence During HVRT the solar inverter needs to generate negative sequence reactive power to supp...

Страница 79: ... high low voltage ride through In this case set this parameter to Enable After this parameter is set to Enable the output current is less than 10 of the rated current during high low voltage ride through This parameter is displayed when LVRT or HVRT is set to Enable 17 Active islanding protection Specifies whether to enable the active islanding protection function 18 Automatic OFF due to communica...

Страница 80: ...grid recovers 23 TCP heartbeat interval s Specifies the TCP link timeout period for the solar inverter to connect to the management system 24 TCP frame length Specifies the maximum length of the TCP frame sent by the northbound device to the solar inverter 25 Heartbeat period at application layer min Specifies the timeout period for the solar inverter to connect to the management system 7 1 5 4 Se...

Страница 81: ...ning the scheduling instruction When this parameter is set to 0 the scheduling instruction takes effect permanently 3 Maximum active power kW Specifies the output upper threshold for the maximum active power to adapt to different market requirements 4 OFF at 0 power limit If this parameter is set to Enable the inverter shuts down after receiving the 0 power limit command If this parameter is set t...

Страница 82: ...r executes the remote scheduling command This parameter is displayed when Night time reactive power output is set to Enable 10 Night time reactive power compensation kVar During the reactive power compensation at night the reactive power is scheduled by fixed value This parameter is displayed when Night time reactive power output and Enable reactive power parameters at night are set to Enable 11 R...

Страница 83: ...ing overfrequency derating 19 Cutoff frequency of overfrequency derating Hz Specifies the frequency threshold for cutting off overfrequency derating 20 Cutoff power of overfrequency derating Specifies the power threshold for cutting off overfrequency derating 21 Power recovery gradient of overfrequency derating min Specifies the recovery rate of the overfrequency derating power 22 PF U voltage det...

Страница 84: ...the output power factor cosφ in real time based on P Pn 7 2 Operations with a USB Flash Drive USB flash drives of SanDisk Netac and Kingston are recommended Other brands may be incompatible NOTE Delete the script file immediately after use to reduce information disclosure risks 7 2 1 Exporting Configurations Procedure 1 Click Local maintenance script on the app to generate a boot script file see t...

Страница 85: ...mands specified in the boot script file View the LED indicator to determine the operating status NOTICE Ensure that the ciphertext in the boot script matches the login password for logging into the SUN2000 app or entering the Device Commissioning screen on the FusionSolar app Otherwise the user account will be locked for 10 minutes after the USB flash drive is inserted for five consecutive times T...

Страница 86: ...drive with the imported one NOTICE Replace the boot script file only and keep the exported files 4 Connect the USB flash drive to the USB port The system automatically identifies the USB flash drive and executes all commands specified in the boot script file View the LED indicator to determine the operating status NOTICE Ensure that the ciphertext in the boot script matches the login password for ...

Страница 87: ...e to the root directory of a USB flash drive 3 Connect the USB flash drive to the USB port The system automatically identifies the USB flash drive and executes all commands specified in the boot script file View the LED indicator to determine the operating status NOTICE Ensure that the ciphertext in the boot script matches the login password for logging into the SUN2000 app or entering the Device ...

Страница 88: ... script file see the FusionSolar APP and SUN2000 APP User Manual 4 Import the boot script file to a PC 5 Replace the boot script file sun_lmt_mgr_cmd emap in the upgrade package with the one generated by the app 6 Copy the extracted files to the root directory of the USB flash drive 7 Connect the USB flash drive to the USB port The system automatically identifies the USB flash drive and executes a...

Страница 89: ...dy green An operation with a USB flash drive is successful 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 indicates that the upgrade is successful SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 7 Man Machine Interactions ...

Страница 90: ...ep 1 Run a shutdown command on the SUN2000 app SmartLogger or network management system NMS For details see the user manual of the corresponding product Step 2 Turn off the AC switch between the inverter and the power grid Step 3 Set the three DC switches to OFF End 8 2 Power Off for Troubleshooting Context To prevent personal injury and equipment damage perform the following procedure to power of...

Страница 91: ...s shut down due to a fault go to the next step Step 3 Turn off the AC switch between the solar inverter and the power grid Step 4 Measure the DC current of each PV input string using a clamp meter that is set to the DC position If the current is less than or equal to 0 5 A go to the next step If the current is higher than 0 5 A wait until the solar irradiance decreases and the PV string current de...

Страница 92: ...tem connecting cables and maintaining the grounding reliability power off the system and ensure that the three DC switches on the inverter are OFF If you need to open the maintenance compartment door in rainy or snowy days take protective measures to prevent rain or snow entering the maintenance compartment If unavoidable do not open the maintenance compartment door Maintenance list Item Check Met...

Страница 93: ...her the sealing caps of idle DC input terminals fall off Check that the idle COM and USB ports are locked by waterproof caps The first inspection is 6 months after the initial commissioning From then on the interval can be 6 or 12 months Grounding reliability Ground cables are securely connected The first inspection is 6 months after the initial commissioning From then on the interval can be 6 or ...

Страница 94: ...ve the screw on the fan tray and save it Pull out the fan tray until the fan baffle plate aligns with the inverter chassis Figure 8 3 Pulling out fan tray 1 Step 2 Remove the cable ties shared by the cables unscrew the connectors and disconnect the cables Figure 8 4 Disconnecting cables Step 3 Pull out the fan tray SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 8 Maintenance Issue 05 2020 08 ...

Страница 95: ...le ties FAN 2 Faulty Figure 8 7 Removing the FAN 2 cable ties FAN 3 Faulty Figure 8 8 Removing the FAN 3 cable ties Step 5 Remove the faulty fan FAN 1 is used as an example Figure 8 9 Removing the fan SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 8 Maintenance Issue 05 2020 08 30 Copyright Huawei Technologies Co Ltd 87 ...

Страница 96: ... FAN 1 cables Binding positions for fan 2 Figure 8 12 Binding the FAN 2 cables Binding positions for fan 3 Figure 8 13 Binding the FAN 3 cables Step 8 Push the fan tray into the slot until the fan baffle plate aligns with the inverter chassis SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 8 Maintenance Issue 05 2020 08 30 Copyright Huawei Technologies Co Ltd 88 ...

Страница 97: ...screw Figure 8 16 Reinstalling the fan tray End 8 5 Troubleshooting Alarm severities are defined as follows Major The inverter 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 SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 8 Maintenance Issue 05 2020 08 30 Copyright H...

Страница 98: ... 5 PV strings 9 and 10 Cause ID 6 PV strings 11 and 12 Cause ID 7 PV strings 13 and 14 Cause ID 8 PV strings 15 and 16 Cause ID 9 PV strings 17 and 18 Reduce the number of PV modules connected in series in the PV string until the PV string open circuit voltage is not greater than the maximum operating voltage of the inverter After the PV array configuration is corrected the alarm disappears 2011 S...

Страница 99: ...in 1 PV strings are lost Either of the 2 in 1 PV strings is lost Cause ID 1 8 PV strings 1 18 1 If the PV string access type is manually set check whether it is consistent with the actual access status 2 Check whether the inverter terminals are properly connected 3 Check whether the PV string terminals are properly connected 4 If a 2 in 1 terminal is used check whether it is normal 2031 Phase Wire...

Страница 100: ...gement system NMS with the consent of the local power operator 3 If the fault persists for a long time check the AC circuit breaker and AC output power cable 2034 Grid Overvoltage Major Cause ID 1 The grid voltage is beyond the upper threshold or the overvoltage duration has exceeded the time that triggers HVRT 1 Check whether the grid connection voltage exceeds the upper threshold If yes contact ...

Страница 101: ... 1 Power grid exception The actual power grid frequency is higher than the standard requirement for the local power grid 1 If the alarm occurs occasionally the power grid may be abnormal temporarily The inverter automatically recovers after detecting that the power grid becomes normal 2 If the alarm occurs frequently check whether the power grid frequency is within the acceptable range If not cont...

Страница 102: ...r If yes modify the grid underfrequency protection threshold through the mobile app SmartLogger or NMS with the consent of the local power operator 2038 Unstable Grid Frequency Major Cause ID 1 Power grid exception The actual grid frequency change rate does not comply with the local power grid standard 1 If the alarm occurs occasionally the power grid may be abnormal temporarily The inverter autom...

Страница 103: ...erhigh Major Cause ID 1 The DC component of the inverter output current exceeds the specified upper threshold 1 If the exception is caused by an external fault the inverter automatically recovers after the fault is rectified 2 If this alarm occurs frequently and affects the energy yield of the PV plant contact your dealer or Huawei technical support 2051 Abnormal Residual Current Major Cause ID 1 ...

Страница 104: ...e inverter exceeds the upper limit If the ventilation is poor or the ambient temperature is too high improve ventilation 2 If both the ventilation and ambient temperature meet requirements yet the fault persists contact your dealer or Huawei technical support 2064 Device Fault Major Cause ID 1 An unrecoverable fault has occurred on a circuit inside the inverter Turn off the AC output switch and DC...

Страница 105: ... is damaged Turn off the AC output switch and then the DC input switch Turn them on after 5 minutes and wait for the inverter to connect to the power grid If the fault persists contact your dealer or Huawei technical support 61440 Faulty Monitoring Unit Minor Cause ID 1 1 The flash memory is insufficient 2 The flash memory has bad sectors Turn off the AC output switch and DC input switch and then ...

Страница 106: ...ve 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 ru...

Страница 107: ...chnical Specifications SUN2000 175KTL H0 SUN2000 185KTL INH0 SUN2000 185KTL H1 Maximum input voltage 1500 V Maximum input current per MPPT 26 A Maximum short circuit current per MPPT 40 A Maximum backfeed current to the PV array 0 A Lowest operating startup voltage 500 V 550 V SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 10 Technical Data Issue 05 2020 08 30 Copyright Huawei Technologies Co...

Страница 108: ...ximum apparent power 193 kVA 185 kVA 185 kVA Maximum active power cosφ 1 193 kW 185 kW 185 kW Rated output voltage 800 V AC 3W PE Rated output current 126 3 A 115 5 A 160 kW 126 3 A 175 kW 108 3 A 150 kW 121 3 A 168 kW 126 3 A 175 kW Adapted power grid frequency 50 Hz 50 Hz 60 Hz 50 Hz 60 Hz Maximum output current 140 7 A 134 9 A 134 9 A Power factor 0 8 leading and 0 8 lagging Maximum total harmo...

Страница 109: ... surge protection Type II Insulation resistance detection Supported Residue current monitoring RCMU Supported Overvoltage category PV II AC III Display and Communication Technical Specifications SUN2000 175KTL H0 SUN2000 185KTL INH0 SUN2000 185KTL H1 Display LED indicator Bluetooth module app USB data cable app and WLAN module app RS485 Supported MBUS Supported USB Supported SUN2000 175KTL H0 185K...

Страница 110: ... C to 60 C Cooling mode Intelligent air cooling Highest operating altitude 5000 m derated when the altitude is greater than 4000 m Humidity 0 100 RH Input terminal MC4 EVO2 Output terminal Waterproof terminal OT DT terminal IP rating IP66 Topology Transformerless SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 10 Technical Data Issue 05 2020 08 30 Copyright Huawei Technologies Co Ltd 102 ...

Страница 111: ... 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 175KTL H0 185KTL INH0 185KTL H1 User Manual A Securing Y Branch Connector...

Страница 112: ...End Method 2 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 SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual A Securing Y Branch Connectors Issue 05 2020 08 30 Copyright Huawei Technologies Co Ltd 104 ...

Страница 113: ...l a beam Figure A 5 Installing a beam Step 2 Bind the Y branch connectors on the beam Figure A 6 Binding Y branch connectors End SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual A Securing Y Branch Connectors Issue 05 2020 08 30 Copyright Huawei Technologies Co Ltd 105 ...

Страница 114: ...t can be determined whether all the 2 in 1 PV strings are restored only when the string current reaches Startup current for 2 in 1 detection Procedure Step 1 Log in to the SUN2000 app as Advanced User The initial password is 00000a NOTE Use the initial password upon first power on and change it immediately after login To ensure account security change the password periodically and keep the new pas...

Страница 115: ...For details about Isc Stc see the PV module nameplate Default startup current 5 A applicable to the scenarios where the short circuit current Isc Stc is greater than 8 A for the monocrystalline and polycrystalline PV modules This paramet er is displaye d only when String Access Detecti on is set to Enable 3 Startup current for 2 in 1 detection When the current of a PV string reaches Startup curren...

Страница 116: ... are as follows Automatic identification default value Disconnection Single PV string and 2 in 1 You are advised to retain the default value If the value is incorrectly set the PV string access type may be incorrectly identified and alarms may be generated by mistake for the PV string connection status SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual B String Access Detection Issue 05 2020 08 3...

Страница 117: ...me 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 175KTL H0 185KTL INH0 185KTL H1 User Manual C Domain Name List of Management Systems Issue 05 2020 08 30 Copyright Huawei Technologies Co Ltd 109 ...

Страница 118: ...Supporte d Supported 6 BDEW MV800 Germany medium voltage power grid Supported 7 ABNT NBR 16149 MV800 Brazil medium voltage power grid Supported 8 UTE C 15 712 1 MV800 France medium voltage power grid Supported 9 Chile MV800 Chile medium voltage power grid Supported 10 EN50438 TR MV800 Turkey medium voltage power grid Supported 11 TAI PEA MV800 Thailand PEA medium voltage power grid Supported 12 Ph...

Страница 119: ...d 20 SAUDI MV800 Saudi Arabia medium voltage power grid Supported 21 EN50438_IE MV800 Ireland medium voltage power grid Supported 22 CLC TS50549_IE MV800 Ireland medium voltage power grid CLC TS50549 Supported 23 Northern Ireland MV800 Northern Ireland medium voltage power grid Supported 24 CEI0 21 MV800 Italy medium voltage power grid CEI0 21 Supported 25 IEC 61727 MV800 60HZ General medium volta...

Страница 120: ...d medium voltage power grid Supported 38 TUNISIA MV800 Tunisia medium voltage power grid Supported 39 AUSTRALIA NER MV800 Australia NER standard medium voltage power grid Supported 40 VDE AR N4120_HV800 VDE4120 standard medium voltage power grid Supported 41 Nicaragua MV800 Nicaragua medium voltage power grid Supported 42 Custom MV800 50Hz Reserved Supported 43 RD1699 661 MV800 Spain medium voltag...

Страница 121: ... 51 BAHRAIN MV800 Bahrain medium voltage power grid Supported 52 KAZAKHSTAN MV800 Kazakhstan medium voltage power grid Supported 53 Oman PDO MV800 Oman PDO medium voltage power grid Supported 54 TAI MEA MV800 Thailand medium voltage power grid Supported NOTE The grid codes are subject to change The listed codes are for your reference only SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual D Grid ...

Страница 122: ...gy 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 175KTL H0 185KTL INH0 185KTL H1 User Manual E Acronyms and Abbreviations Issue 05 2020 08 30 Copyright Huawei Technologies Co Ltd 114 ...

Страница 123: ...l current monitoring unit W WEEE waste electrical and electronic equipment SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual E Acronyms and Abbreviations Issue 05 2020 08 30 Copyright Huawei Technologies Co Ltd 115 ...

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