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SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1)
User Manual

5 Electrical Connections

Issue 02 (2019-06-05)



Pay attention not to scratch the core wire when stripping a cable.



The cavity formed after the conductor crimp strip of the OT or DT terminal is crimped
must wrap the core wires completely. The core wires must contact the 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 5-1

Crimping an OT terminal

(1) Cable

(2) Core

(3) Heat shrink tubing

(4) OT terminal

(5) Hydraulic pliers

(6) Heat gun

Содержание SUN2000-175KTL-H0

Страница 1: ...SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual Issue 02 Date 2019 06 05 HUAWEI TECHNOLOGIES CO LTD ...

Страница 2: ...stomer All or part of the products services and features described 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 ...

Страница 3: ... document is intended for photovoltaic PV plant operating personnel and qualified electricians Symbol Conventions The symbols that may be found in this document are defined as follows Symbol Description Indicates an imminently hazardous situation which if not avoided will result in death or serious injury Indicates a potentially hazardous situation which if not avoided could result in death or ser...

Страница 4: ...ps NOTE is used to address information not related to personal injury equipment damage and environment deterioration Change History Changes between document issues are cumulative The latest document issue contains all updates made in previous issues Issue 02 2019 06 05 Updated 2 2 Appearance Updated 7 2 2 4 Setting Power Adjustment Parameters Issue 01 2019 05 15 This issue is used for first office...

Страница 5: ... 15 4 2 Preparing Tools 16 4 3 Determining the Installation Position 17 4 3 1 Environment Requirements 17 4 3 2 Space Requirements 18 4 4 Installing the Mounting Bracket 21 4 4 1 Support mounted Installation 22 4 4 2 Wall mounted Installation 22 4 5 Installing the Inverter 23 5 Electrical Connections 27 5 1 Precautions 27 5 2 Crimping an OT or DT Terminal 27 5 3 Opening the Maintenance Compartment...

Страница 6: ...N2000 App 51 7 2 1 Operations Related to the Advanced User 52 7 2 1 1 Setting Grid Parameters 52 7 2 1 2 Setting Protection Parameters 53 7 2 1 3 Setting Feature Parameters 53 7 2 2 Operations Related to the Special User 57 7 2 2 1 Setting Grid Parameters 58 7 2 2 2 Setting Protection Parameters 59 7 2 2 3 Setting Feature Parameters 61 7 2 2 4 Setting Power Adjustment Parameters 64 8 Maintenance 6...

Страница 7: ... and the resulting equipment malfunction component damage personal injuries or property damage are not covered under the warranty Statement Huawei will not be liable for any consequences of the following circumstances Damage during the transportation by the customer Storage conditions that do not meet the requirements specified in this document Installation or use in environments which are not spe...

Страница 8: ... building on fire in any case Protection Label Do not scrawl damage or block any warning label on the device System Installation Never work with power on during installation Ensure that the devices are not connected to a power supply or powered on before finishing installation Do not install the device under bad weather conditions such as thunderstorms raining snowing or strong winds Ensure that t...

Страница 9: ...ed meet local regulations Operations High voltage generated by the device during operation may cause an electric shock which could result in death serious injury or serious property damage Perform operations in strict accordance with safety precautions specified in this document and other relevant documents Do not disconnect DC or AC power cables when the device is running Do not touch an energize...

Страница 10: ...diately to a supervisor Maintain the device after you get familiar with this document and prepare the tools and testing equipment Before maintaining the device power it off and follow the instructions on the delayed discharge label to ensure that the device is powered off The device has multiple inputs Switch off all inputs before maintenance Temporary warning signs or fences must be placed to pre...

Страница 11: ...into AC power and feeds the power into the power grid 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 2 Power class 175K The rated output power is 175 kW 185K ...

Страница 12: ...on The inverter applies 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 Supported Power Grid The inverter supports the IT power grid Fig...

Страница 13: ... connection indicator 2 Grid tied indicator 3 Communication indicator 4 Alarm Maintenance indicator 5 Host panel 6 Maintenance compartment Table 2 2 LED description Display Category Indicator Status Meaning PV indication LED1 LED4 Steady green At least one PV string is properly connected and the DC input voltage of the corresponding MPPT circuit is at least 500 V ...

Страница 14: ...side Off The inverter disconnects from all PV strings or the DC input voltage of all MPPT circuits is less than 500 V Grid tied indication LED2 LED4 NA Steady green The inverter is in grid tied mode Blinking green at short intervals Red An environmental fault occurs at AC side Off The inverter is not in grid tied mode Communicati ons indication LED3 Blinking green at short intervals The inverter r...

Страница 15: ...port and export using a USB flash drive and connecting to the SUN2000 app over a Bluetooth module WLAN module or USB data cable If the alarming and the local maintenance happen concurrently the alarm maintenance indicator shows the local maintenance state first After the USB flash drive Bluetooth module WLAN module or USB data cable is removed the indicator shows the alarm state Bottom View 1 DC i...

Страница 16: ... 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 operators to refer to the documents shipped with the inverter Grou...

Страница 17: ...ied by four persons or using a pallet truck 2 3 2 Product Nameplate Figure 2 4 Nameplate SUN2000 175KTL H0 is used as an example 1 Trademark and product model 2 Important technical specifications 3 Compliance symbols 4 Company name and country of manufacture The nameplate figure is for reference only Icon Name Description Environmentally friendly use period EFUP mark The product does not pollute t...

Страница 18: ...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 Figure 2 5 Inverter conceptual diagram 2 4 2 Working ...

Страница 19: ...er detecting a shutdown command or a fault after startup Operating In Operating mode The SUN2000 converts DC power from PV strings into AC power and feeds the power to the power grid The SUN2000 tracks the maximum power point to maximize the PV string output The SUN2000 enters Shutdown mode after detecting a fault or a shutdown command and enters Standby mode after detecting that the PV string out...

Страница 20: ...he desiccant and seal it using the adhesive tape Proper storage temperature and humidity are required The inverter should be stored in a clean and dry place and be protected from dust and water vapor corrosion A maximum of four inverters can be stacked Regular inspection is required during the storage Replace the packing materials as necessary If the inverter has been stored for a long time inspec...

Страница 21: ...found or the inverter model is not what you requested do not unpack the package and contact your supplier as soon as possible Figure 4 1 Position of the inverter model label 1 Position of the model label 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 ...

Страница 22: ...ket wrench 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 Multimeter DC voltage measurement range 1500 V DC Marker Measuring tape Bubble or digital level Hydraulic pliers Heat shrink tubing H...

Страница 23: ...because these parts are extremely hot during operation Do not install the inverter near flammable or explosive materials Do not install the inverter at a place within children s reach The inverter will be corroded in salt areas and the salt corrosion may cause fire Do not install the inverter outdoors in salt areas A salt area refers to the region within 500 meters from the coast or prone to sea b...

Страница 24: ...ng materials The inverter is heavy Ensure that the installation surface is solid enough to bear the weight load In residential areas do not install the inverter on drywalls or walls made of similar materials which have a weak sound insulation performance because the noise generated by the inverter is noticeable Figure 4 3 Mounting structure 4 3 2 Space Requirements Reserve enough clearance around ...

Страница 25: ...on space 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 Figure 4 5 Installation angle ...

Страница 26: ...o Ltd 20 When installing multiple 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 6 Horizontal installation mode recommended Figure 4 7 Triangle installation mode recommended ...

Страница 27: ... 4 4 Installing the Mounting Bracket Installation Precautions Figure 4 9 shows the inverter mounting bracket dimensions Figure 4 9 Mounting bracket dimensions The inverter mounting bracket 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 ...

Страница 28: ...ket 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 Figure 4 11 Installing the mounting bracket End 4 4 2 Wall mounted Installation Wall mounted Installation Step 1 Install the mounting bracket ...

Страница 29: ...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 Figure 4 12 Securing the mounting bracket End 4 5 Installing the ...

Страница 30: ...with its wiring terminals at the bottom contacting the floor or any other objects because the terminals are not designed to bear the weight of the inverter When you need to temporally place the inverter on the ground use foam paper or other protection material to prevent damage to its cover Handles are packed in a fitting bag and are not delivered with the inverter Installing the Inverter Step 1 M...

Страница 31: ...85KTL INH0 185KTL H1 User Manual 4 Installation Issue 02 2019 06 05 Copyright Huawei Technologies Co Ltd 25 Figure 4 14 Installation End Supplementary Notes If the inverter is installed in a high position you can hoist it ...

Страница 32: ...SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 4 Installation Issue 02 2019 06 05 Copyright Huawei Technologies Co Ltd 26 Figure 4 15 Hoisting the inverter ...

Страница 33: ...about electrical connection Wear proper PPE at all time when connecting cables 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...

Страница 34: ...or crimp strip of the OT or DT terminal is crimped must wrap the core wires completely The core wires must contact the 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 1 Crimping an OT terminal 1 Cable 2 Core 3 Heat shrink tubing 4 OT...

Страница 35: ...e opening the maintenance compartment door ensure that no electrical connections are made for the 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 entering the maintenance compartment If unavoidable do not open the maintenance compartment door Do not leave unused screws in the maintenance comp...

Страница 36: ... Technologies Co Ltd 30 Figure 5 3 Opening the maintenance compartment door Step 3 Remove the crimping modules and three hole rubber plug that are bound in the maintenance compartment for future use Figure 5 4 Removing the accessories from the maintenance compartment 1 Crimping modules 2 Three hole rubber plug End ...

Страница 37: ...Installing the Power Cable of the Tracking System Precautions A switch disconnector fuse or fuse switch disconnector with a voltage 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 s...

Страница 38: ...he 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 exceeds the threshold the inverter immediately disconnects from the power grid Cable Connection Precautions The ground point on the enclosure is preferred to connect to the PE cable for the inverter The PE point in ...

Страница 39: ... Cable Type Conductor Cross Sectional Area Cable Outer Diameter Copper core cable 50 185 mm2 Multi core cable 24 66 mm Single core cable 14 35 mm Copper clad aluminum cable and aluminum alloy cable Multi core cable 70 185 mm2 Single core cable 70 240 mm2 Table 5 2 PE cable specifications Conductor Cross Sectional Area S of the AC Power Cable Unit mm2 Conductor Cross Sectional Area SP of the PE Cab...

Страница 40: ...e 02 2019 06 05 Copyright Huawei Technologies Co Ltd 34 Figure 5 7 Cable connection Step 2 Optional Apply silica gel or paint on the ground terminal to protect it against corrosion End Connecting the AC Output Power Cable Multi core Step 1 Connect the AC cable to the terminal block ...

Страница 41: ...KTL H1 User Manual 5 Electrical Connections Issue 02 2019 06 05 Copyright Huawei Technologies Co Ltd 35 Figure 5 8 Cable connection End Connecting the AC Output Power Cable Single core Step 1 Connect the AC cable to the terminal block ...

Страница 42: ...Connections Issue 02 2019 06 05 Copyright Huawei Technologies Co Ltd 36 Figure 5 9 Cable connection End 5 7 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 ...

Страница 43: ... the 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 Failure to do so may cause electric shocks or arcing which may also cause fire Ensure that the following conditions are met Otherwise the inverter may be damaged or even a fire could happen The open circuit voltage of ea...

Страница 44: ...ription 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 13 18 Figure 5 11 DC terminals Requirements for selecting DC input terminals 1 Evenly distribute the DC input power cables on the DC input terminals controlled by the th...

Страница 45: ...all the DC input power cable The DC voltage measurement range of the multimeter must be at least 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 12 Cable connection End 5 9 Installing the Communications Cable Precautions 1 The RS4...

Страница 46: ...n RS485 1 1 RS485A IN RS485 differential signal 2 RS485A IN RS485 differential signal Used for cascading inverters or connecting to devices such as the SmartLogger 3 RS485B IN RS485 differential signal 4 RS485B IN 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 ...

Страница 47: ...nual 5 Electrical Connections Issue 02 2019 06 05 Copyright Huawei Technologies Co Ltd 41 Figure 5 14 Cable connection If three communications cables are to be connected use the three hole rubber plug that is bound in the maintenance compartment End ...

Страница 48: ...5 All DC input power cables are connected correctly and securely without open circuits or short circuits 6 The communications cable is connected correctly and securely 7 Check that the maintenance 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 plu...

Страница 49: ... inverter to ON Step 3 Connect a mobile phone that runs the SUN2000 app to the inverter using a Bluetooth module a WLAN module or a USB data cable When iOS is used the SUN2000 app does not support connection over a USB data cable Figure 6 1 Connection mode Purchase a Bluetooth module or a WLAN module bundled with the inverter A Bluetooth module or a WLAN module purchased from any other source may ...

Страница 50: ...r Manual 6 System Commissioning Issue 02 2019 06 05 Copyright Huawei Technologies Co Ltd 44 Figure 6 2 Login screen Figure 6 3 Selecting a connection method Step 4 Tap the user name area to switch among Common User Advanced User and Special User ...

Страница 51: ...ries is less than 2 minutes the account will be locked for 10 minutes The password should consist of six digits Step 5 Enter the password and tap Log In Step 6 After successful login the quick settings screen or main menu screen is displayed 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 di...

Страница 52: ...ate RS485 protocol and Address based on site requirements Baud rate can be set to 4800 9600 or 19200 RS485 protocol can be set to MODBUS RTU and Address can be set to any value in the range of 1 to 247 When multiple inverters communicate with the SmartLogger over RS485 RS485 address for all the inverters on each RS485 route must be within the address range set on the SmartLogger and cannot be dupl...

Страница 53: ...SUN2000 175KTL H0 185KTL INH0 185KTL H1 User Manual 6 System Commissioning Issue 02 2019 06 05 Copyright Huawei Technologies Co Ltd 47 Figure 6 6 Function menu screen End ...

Страница 54: ... of SanDisk Netac and Kingston are recommended Other brands may be incompatible 7 1 1 Exporting Configurations Procedure Step 1 Choose Tool Kit Local maint script Inverter Command Settings on the SUN2000 app to generate a boot script file for exporting configuration boot script file for short Step 2 Import the boot script file to a PC Optional The boot script file can be opened as a txt file Figur...

Страница 55: ... 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 Verify that the ciphertext in the boot script file matches the login password of the SUN2000 app If they do not match and you insert the USB flash drive for five consecutive times the user account will be locked for 10 minutes...

Страница 56: ...secutive times the user account will be locked for 10 minutes End 7 1 3 Exporting Data Procedure Step 1 Choose Tool Kit Local maint script Inverter Command Settings on the SUN2000 app to generate a boot script file for exporting data Step 2 Import the boot script file to a PC 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...

Страница 57: ...0 app Step 6 Copy the extracted files to the root directory of the USB flash drive Step 7 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 Verify that the ciphertext in the boot script file matches the login password of the SUN2000 ...

Страница 58: ...the grid code is changed check whether the previously set parameters are affected The parameter names value ranges and default values are subject to change The actual display prevails 7 2 1 Operations Related to the Advanced User If you log in to the app as Advanced User you can set grid parameters protection parameters and feature parameters for the SUN2000 7 2 1 1 Setting Grid Parameters Procedu...

Страница 59: ...re 7 3 Protection parameters advanced user End Parameter No Parameter Description 1 Insulation resistance protection To ensure device safety the 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 7 2 1 3 Setting Feature Parameters Procedur...

Страница 60: ...um power The scanning interval is set by MPPT multi peak scanning interval 2 MPPT multi peak scanning interval Specifies the MPPT multi peak scanning interval This parameter is displayed only when MPPT multi peak scanning is set to Enable 3 RCD enhancing RCD refers to the residual current of the SUN2000 to the ground To ensure device security and personal safety RCD should comply with the standard...

Страница 61: ... PV module type This parameter is used to set different types of PV modules and the shutdown time of the concentration PV modules If the concentration PV modules are shaded the power drops drastically to 0 and the SUN2000 shuts down The energy yield would be affected since it takes too long for the power to resume and SUN2000 to restart The parameter does not need to be set for crystalline silicon...

Страница 62: ...ed for a specified time set by Communication interruption duration the SUN2000 will automatically shut down 11 Communication resumed startup If this parameter is enabled the SUN2000 automatically starts after communication recovers If this parameter is disabled the SUN2000 needs to be started manually after communication recovers This parameter is displayed when Communication interrupt shutdown is...

Страница 63: ...d maintenance personnel to maintain the PV string in a timely manner If PV strings are easily shaded you are advised to set String monitor to Disable to prevent false alarms 19 String detection reference asymmetric coefficient Specifies the threshold for determining PV string exception The false alarms caused by fixed shadow shading can be controlled by changing this parameter This parameter is di...

Страница 64: ...ameter based on the grid code of the country or region where the SUN2000 is used and the SUN2000 application scenario 2 Auto start upon grid recovery Specifies whether to allow the SUN2000 to automatically start after the power grid recovers 3 Grid connection duration after power grid recovery Specifies the waiting time for SUN2000 restart after the power grid recovers 4 Grid reconnection voltage ...

Страница 65: ...eds the value of Grid reconnection frequency upper limit after the SUN2000 shuts down due to a fault 7 Grid reconnection frequency lower limit The standards of certain countries and regions require that the SUN2000 must not export power to the power grid again when the grid frequency is below the value of Grid reconnection frequency lower limit after the SUN2000 shuts down due to a fault 8 Reactiv...

Страница 66: ...e 2 Phase angle offset protection The standards of certain countries and regions require that the SUN2000 needs to be protected when the three phase angle offset of the power grid exceeds a certain value 3 10 minute OV protection Specifies the 10 minute overvoltage protection threshold 4 10 minute OV protection time Specifies the 10 minute overvoltage protection duration 5 Level 1 OV protection Sp...

Страница 67: ...ection time Specifies the level 2 undervoltage protection duration 13 Level 1 OF protection Specifies the level 1 overfrequency protection threshold 14 Level 1 OF protection time Specifies the level 1 overfrequency protection duration 15 Level 1 UF protection Specifies the level 1 underfrequency protection threshold 16 Level 1 UF protection time Specifies the level 1 underfrequency protection dura...

Страница 68: ...e This is called LVRT 2 LVRT threshold Specifies the threshold for triggering LVRT The threshold settings should meet the local grid standard This parameter is displayed when LVRT is set to Enable 3 LVRT reactive power compensation power factor During LVRT the SUN2000 needs to generate reactive power to support the power grid This parameter is used to set the reactive power generated by the SUN200...

Страница 69: ...VRT or HVRT This parameter is displayed when LVRT or HVRT is set to Enable 8 Active islanding Specifies whether to enable the active islanding protection function 9 Voltage rise suppression The standards of certain countries and regions require that the SUN2000 should prevent the grid voltage from rising by delivering reactive power and decreasing active power when the output voltage exceeds a cer...

Страница 70: ...ers special user End Parameters Table 7 1 Description No Parameters Description Remarks 1 Remote power schedule If this parameter is set to Enable the inverter responds to the scheduling instruction from the remote port If this parameter is set to Disable the inverter does not respond to the scheduling instruction from the remote port 2 Schedule instruction valid duration Specifies the time for ma...

Страница 71: ...fic application scenarios 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 9 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 e...

Страница 72: ...sure that the following condition is met Quit frequency of over frequency derating Trigger frequency of over frequency derating Cutoff frequency of overfrequency derating 18 Quit frequency of over frequency derating Specifies the frequency threshold for exiting overfrequency derating 19 Cutoff frequency of overfrequency derating Specifies the frequency threshold for cutting off overfrequency derat...

Страница 73: ...fore put on personal protective equipment PPE and begin servicing the inverter fifteen minutes after power off Procedure Step 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 Routin...

Страница 74: ...d exhaust vents If necessary remove the baffle of the air intake vent Check whether the fans produce abnormal sounds during operation Once every 6 to 12 months System running status The inverter is not damaged or deformed The inverter operates with no abnormal sound When the inverter is running check whether all inverter parameters are correctly set Once every 6 months Electrical connections Cable...

Страница 75: ...n power off the inverter When replacing a fan use insulation tools and wear personal protective devices 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 chassis Figure 8 2 Pulling out fan tray 1 Step 2 Remove the cable ties shared by the cables unscre...

Страница 76: ... Issue 02 2019 06 05 Copyright Huawei Technologies Co Ltd 70 Figure 8 3 Disconnecting cables Step 3 Pull out the fan tray Figure 8 4 Pulling out fan tray 2 Step 4 Remove cable ties from the faulty fan FAN 1 Faulty Figure 8 5 Removing the FAN 1 cable ties FAN 2 Faulty ...

Страница 77: ... 71 Figure 8 6 Removing the FAN 2 cable ties FAN 3 Faulty Figure 8 7 Removing the FAN 3 cable ties Step 5 Remove the faulty fan FAN 1 is used as anexample Figure 8 8 Removing the fan Step 6 Install the new fan FAN 1 is used as anexample Figure 8 9 Installing a new fan Step 7 Bind the fan cables Binding positions for fan 1 ...

Страница 78: ...cables Binding positions for fan 2 Figure 8 11 Binding the FAN 2 cables Binding positions for fan 3 Figure 8 12 Binding the FAN 3 cables Step 8 Push the fan tray into the slot until the fan baffle plate aligns with the inverter chassis Figure 8 13 Pushing the fan tray in Step 9 Connect the cables correctly according to the cable labels and bind the cables ...

Страница 79: ... tighten the screw Figure 8 15 Reinstalling the fan tray End 8 4 Troubleshooting Alarm severities are defined as follows Major The inverter enters the shutdown mode and disconnects from the power grid to stop generating power after a fault occurs Minor Some components are faulty but the inverter can still connect to the power grid and generate power Warning The inverter output power decreases due ...

Страница 80: ...onnecti on Major The PV string is reversely connected Cause ID 1 18 PV strings 1 18 Check whether the PV string is reversely connected to the inverter If it is wait until the solar irradiance declines at night and the PV string current drops to below 0 5 A Then turn off the three DC switches and correct the PV string connection 2012 String Current Backfeed Warning 1 Only a few PV modules are conne...

Страница 81: ...ime that triggers LVRT 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 voltage is within the acceptable range If not contact the local power operator If it is modify the power grid undervoltage protection thresholds with ...

Страница 82: ...ally 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 contact the local power operator If it is modify the power grid overfrequency protection threshold with the consent of the local power operator 2037 Grid U...

Страница 83: ...nverter detects its external working conditions in real time After the fault is rectified the inverter automatically recovers 2 If the alarm occurs frequently and affects the energy yield of the power plant check whether the output is short circuited If the fault cannot be rectified contact your dealer or Huawei technical support 2040 Output DC Compon ent Overhigh Major The DC component of the inv...

Страница 84: ...alue in a cloudy or rainy environment reset Insulation resistance protection 2063 Cabinet Overtem perature Major 1 The inverter is installed in a place with poor ventilation 2 The ambient temperature is too high 3 The inverter is not working properly 1 Check the ventilation and whether the ambient temperature of the inverter exceeds the upper limit If the ventilation is poor or the ambient tempera...

Страница 85: ...and clear the foreign matter around the fan 2 Reinstall the fan turn on the DC switch and wait for the inverter to start If the fault persists after 15 minutes replace the external fan 61440 Faulty Monitori ng Unit Minor 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 turn them on after 15 minutes If the fault persist...

Страница 86: ...m the following steps 1 Disconnect all cables from the SUN2000 including RS485 communications cables DC input power cables AC output power cables and PE cables 2 Remove the SUN2000 from the mounting bracket 3 Remove 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 packi...

Страница 87: ...2000 185KTL I NH0 SUN2000 185KTL H1 Maximum efficiency 99 0 99 0 99 0 Chinese efficiency 98 4 European efficiency 98 6 98 6 Input Technical Specifications SUN2000 175KTL H 0 SUN2000 185KTL I NH0 SUN2000 185KT L H1 Maximum input power 197 kW 188 kW 188 kW 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 a...

Страница 88: ...Number of MPP trackers 9 Output Technical Specifications SUN2000 175KTL H0 SUN2000 185KTL INH0 SUN2000 185KT L H1 Rated active power 175 kW 160 kW 50 C 175 kW 40 C 150 kW 50 C 168 kW 45 C 175 kW 40 C Maximum 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 1...

Страница 89: ... H1 Input DC switch Supported Anti islanding protection Supported Output overcurrent protection Supported Input reverse connection protection Supported PV string fault detection Supported DC surge protection Type II AC surge protection Type II Insulation resistance detection Supported Residue current monitoring RCMU Supported Overvoltage category PV II AC III Display and Communication Technical Sp...

Страница 90: ...Common Parameters Technical Specifications SUN2000 175KTL H 0 SUN2000 185KTL I NH0 SUN2000 185KT L H1 Dimensions W x H x D 1035 mm x 700 mm x 365 mm Net weight 84 kg 1 kg Operating temperature 25 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 termi...

Страница 91: ...5 IEC61727 MV800 IEC61727 medium voltage power grid 50 Hz Supported 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 MV8...

Страница 92: ...er 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 voltage power grid Supported Supported 26 Pakistan MV...

Страница 93: ...ower grid Supported 40 AUSTRALIA NER MV80 0 Australia NER standard medium voltage power grid Supported 41 VDE AR N4120_HV800 VDE4120 standard medium voltage power grid Supported 42 Nicaragua MV800 Nicaragua medium voltage power grid Supported 43 Custom MV800 50Hz Reserved Supported 44 RD1699 661 MV800 Spain medium voltage power grid Supported 45 PO12 3 MV800 Spain medium voltage power grid Support...

Страница 94: ...id Code Description SUN200 0 175KT L H0 SUN2000 185KTL INH0 SUN2000 185KTL H1 53 BAHRAIN MV800 Bahrain medium voltage power grid Supported 54 KAZAKHSTAN MV800 Kazakhstan medium voltage power grid Supported 55 Oman PDO MV800 Oman PDO medium voltage power grid Supported 56 TAI MEA MV800 Thailand medium voltage power grid Supported ...

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