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SUN2000-(50KTL-JPM0, 50KTL-JPM1, 63KTL-JPM0)
User Manual

8 Maintenance

Issue 01 (2018-09-30)

Copyright © Huawei Technologies Co., Ltd.

95

Alarm
ID

Alarm
Name

Alarm
Severity

Cause

Measures

2036

Grid
Overfre
quency

Major

Power grid exception: The actual grid
frequency is higher than the
requirement of the local power grid
standard.

1.

If the alarm occurs
accidentally, the power grid
may be abnormal temporarily.
The SUN2000 automatically
recovers after detecting that the
power grid becomes normal.

2.

If the alarm occurs frequently,
check whether the grid
frequency is within the
acceptable range. If no, contact
the local power operator. If
yes, modify the power grid
overfrequency protection
threshold with the consent of
the local power operator.

2037

Grid
Underfr
equency

Major

Power grid exception: The actual
power grid frequency is lower than the
standard requirement for the local
power grid.

1.

If the alarm occurs
accidentally, the power grid
may be abnormal temporarily.
The SUN2000 automatically
recovers after detecting that the
power grid becomes normal.

2.

If the alarm occurs frequently,
check whether the grid
frequency is within the
acceptable range. If no, contact
the local power operator. If
yes, modify the power grid
underfrequency protection
threshold with the consent of
the local power operator.

2038

Unstabl
e Grid
Frequen
cy

Major

Power grid exception: The actual grid
frequency change rate does not comply
with the local power grid standard.

1.

If the alarm occurs
accidentally, the power grid
may be abnormal temporarily.
The SUN2000 automatically
recovers after detecting that the
power grid becomes normal.

2.

If the alarm occurs frequently,
check whether the grid
frequency is within the
acceptable range. If no, contact
the local power operator.

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Summary of Contents for SUN2000-50KTL-JPM0

Page 1: ...SUN2000 50KTL JPM0 50KTL JPM1 63KTL JPM0 User Manual Issue 01 Date 2018 09 30 HUAWEI TECHNOLOGIES CO LTD ...

Page 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 ...

Page 3: ...This document is intended for photovoltaic PV plant personnel and electrical technicians 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 serious i...

Page 4: ...n to important information best practices and tips 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 01 2018 09 30 This issue is used for first office application FOA ...

Page 5: ...fore Installation 15 4 2 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 21 4 4 2 Wall mounted Installation 24 4 5 Installing the SUN2000 26 5 Electrical Connections 31 5 1 Precautions 31 5 2 Crimping the OT Terminal 31 5 3 Opening the Maintenance Compartmen...

Page 6: ...64 7 1 4 Upgrading 64 7 2 Operations with the SUN2000 App 64 7 2 1 Operations Related to the Advanced User 64 7 2 1 1 Setting Grid Parameters 64 7 2 1 2 Setting Protect Parameters 64 7 2 1 3 Setting Feature Parameters 64 7 2 2 Operations Related to the Special User 64 7 2 2 1 Setting Grid Parameters 64 7 2 2 2 Setting Protection Parameters 64 7 2 2 3 Setting Feature Parameters 64 7 2 2 4 Setting P...

Page 7: ...uawei The safety precautions provided in this document do not cover all the safety precautions Huawei shall not be liable for any consequence caused by the violation of the safety operation regulations and design production and usage standards Disclaimer Huawei shall not be liable for any consequence caused by any of the following events Transportation damage Violation of the storage requirements ...

Page 8: ...l damage or block the nameplate on the side of the SUN2000 enclosure Installation Never work under power during installation Ensure that the SUN2000 is not connected to a power supply or powered on before finishing installation Ensure that the SUN2000 is installed in a well ventilated environment Ensure that the SUN2000 heat sinks are free from blockage Never open the host panel cover of the SUN20...

Page 9: ...gh voltage may cause an electric shock which results in serious injury death or serious property damage from the SUN2000 in operation Prior to maintenance power off the SUN2000 and strictly comply with the safety precautions in this document and associated documents to operate the SUN2000 Maintain the SUN2000 with sufficient knowledge of this document proper tools and testing equipment Before perf...

Page 10: ...trings into AC power and feeds the power to the power grid Models This document involves the following product models SUN2000 50KTL JPM0 SUN2000 50KTL JPM1 SUN2000 63KTL JPM0 The products look alike The SUN2000 50KTL JPM0 is used as an example Figure 2 1 Model number Table 2 1 Model number description No Meaning Description 1 Product SUN2000 grid tied PV inverter 2 Power 50K The power level is 50 ...

Page 11: ... Networking Application The SUN2000 applies to grid tied PV systems for commercial rooftops and large PV plants Typically a grid tied PV system consists of the PV string SUN2000 alternating current distribution unit ACDU and step up transformer Figure 2 2 Network diagram A PV string B SUN2000 C ACDU D Step up transformer E Power grid Supported Power Grid The SUN2000 only supports the IT power grid...

Page 12: ...us Meaning PV connection LED Steady green At least one PV string is properly connected and the DC input voltage of the corresponding MPPT circuit is higher than or equal to 200 V Off The SUN2000 disconnects from all PV strings or the DC input voltage of each MPPT circuit is less than 200 V Grid tied LED Steady green The SUN2000 is exporting power to the power grid Off The SUN2000 is not exporting ...

Page 13: ... status Blinking green at long intervals on for 1s and then off for 1s Local maintenance is in progress Blinking green at short intervals on for 0 125s and then off for 0 125s Local maintenance fails Steady green Local maintenance is successful Local maintenance refers to operations performed after a USB flash drive Bluetooth module or USB data cable is inserted into the USB port of the SUN2000 Fo...

Page 14: ...ls Controlled by DC SWITCH 2 5 DC switch 2 DC SWITCH 2 N A 6 Cable gland AC OUTPUT Inner diameter 18 44 mm 7 Cable gland RESERVE Inner diameter 14 18 mm 8 USB port USB N A Holes Reserved at the Side of the Enclosure There are two M6 tapped holes reserved on both sides of the enclosures which are used for installing an awning 2 3 Label Description 2 3 1 Enclosure Labels Label Name Meaning Running w...

Page 15: ...off It takes 15 minutes for the SUN2000 to discharge to the safe voltage Refer to documentation Reminds operators to refer to the documents provided with the SUN2000 Grounding Indicates the position for connecting the PE cable Operation warning Do not remove the DC input connector when the SUN2000 is running DC terminal operation warning High voltage exists after the SUN2000 is powered on To avoid...

Page 16: ... warning Exercise caution when operating spot check terminals because they are always energized Disconnect the DC switches 1 and 2 before performing the dielectric withstand voltage test through the PV1 to PV12 and PV1 and PV12 ports SUN2000 serial number SN label Indicates the SUN2000 SN Weight label The SUN2000 needs to be carried by four people or using a pallet truck ...

Page 17: ...ct name and model number 2 Important technical specifications 3 Compliance symbols 4 Company name and place of production The nameplate figure is for reference only Label Name Meaning China Environmentally friendly use period EFUP This product is environmentally friendly for at least 50 years European Union EU waste electrical and electronic equipment WEEE This product must not be disposed of as d...

Page 18: ...s from 12 PV strings Then the inputs are grouped into six MPPT routes inside the SUN2000 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 SUN2000 conceptual diagram 2 4 2 Working Modes The SUN2000 can work in Standby Operating or Shutdown mode ...

Page 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...

Page 20: ...e desiccant and seal it using the adhesive tape Keep the proper storage temperature and humidity The SUN2000 should be stored in a clean and dry place and be protected from dust and water vapor corrosion The number of stacked SUN2000s should meet requirements Regular inspection is required during the storage Replace the packing materials when necessary After long term storage an inspection and tes...

Page 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 ...

Page 22: ...nch Torque screwdriver Phillips head M4 flat head M4 Diagonal pliers Wire stripper Flat head screwdriver Head 0 6 mm x 3 5 mm Rubber mallet Utility knife Cable cutter Crimping tool Model H4TC0002 manufacturer Amphenol RJ45 crimping tool Removal wrench Model H4TW0001 manufacturer Amphenol Vacuum cleaner Multimeter DC voltage measurement range 1100 V DC Marker Measuring tape Digital or bubble level ...

Page 23: ...ion Do not install the SUN2000 in areas with flammable or explosive materials Do not install the SUN2000 at a place within children s reach Do not install the SUN2000 outdoors in salt areas because it will be corroded there and may cause fire 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 depending on weather conditions...

Page 24: ...ion performance because the noise generated by the SUN2000 is noticeable 4 3 2 Space Requirements Reserve enough clearance around the SUN2000 and determine an appropriate installation tilt to ensure sufficient space for installation and heat dissipation Figure 4 2 Installation space requirements For ease of installing the SUN2000 on the mounting bracket connecting cables to the bottom of the SUN20...

Page 25: ...hnologies Co Ltd 19 Figure 4 3 Installation tilts When installing multiple SUN2000s 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 ...

Page 26: ...JPM0 50KTL JPM1 63KTL JPM0 User Manual 4 Installation Issue 01 2018 09 30 Copyright Huawei Technologies Co Ltd 20 Figure 4 5 Triangle installation mode recommended Figure 4 6 Stacked installation mode not recommended ...

Page 27: ... containing four tapped holes Mark any hole in each group based on site requirements and mark four holes in total Two round holes are preferred Before installing the mounting bracket remove the security torx wrench from the mounting bracket and save it for later use Figure 4 8 Removing a security torx wrench 4 4 1 Support mounted Installation Support mounted Installation Step 1 Determine the posit...

Page 28: ...User Manual 4 Installation Issue 01 2018 09 30 Copyright Huawei Technologies Co Ltd 22 Figure 4 9 Determining hole positions Step 2 Drill holes using a hammer drill You are advised to apply anti rust paint on the hole positions for protection ...

Page 29: ...e drilled holes insert bolt assemblies flat washers spring washers and M12x40 bolts into the holes through the mounting bracket and secure them using the supplied stainless steel nuts and flat washers M12x40 bolt assemblies are provided with the SUN2000 If the bolt length does not meet the installation requirements prepare M12 bolt assemblies by yourself and use them together with the provided M12...

Page 30: ...echnologies Co Ltd 24 Figure 4 11 Securing a mounting bracket End 4 4 2 Wall mounted Installation Wall mounted Installation Step 1 Determine 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 ...

Page 31: ...4 12 Determining hole positions Step 2 Drill holes using a hammer drill and install expansion bolts You need to prepare expansion bolts M12x60 stainless steel expansion bolts are recommended Figure 4 13 Drilling a hole and installing an expansion bolt Avoid drilling holes in the utility pipes and or cables attached to back of the wall ...

Page 32: ...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 concrete wall Step 3 Align the mounting bracket holes with the drilled holes insert expansion bolts into the holes through the mounting bracket and then tighten the expansion bolts Figure 4 ...

Page 33: ... bottom to support any weight of the SUN2000 When you need to temporarily place the SUN2000 on the ground use foam paper or other protection material to prevent damage to its enclosure Procedure Step 1 If you can mount the SUN2000 onto the mounting bracket directly go to Step 3 and then Step 5 Step 2 If you cannot mount the SUN2000 onto the mounting bracket directly go to Step 3 and then Step 6 St...

Page 34: ...sue 01 2018 09 30 Copyright Huawei Technologies Co Ltd 28 When lifting the SUN2000 keep balance to prevent the SUN2000 impacting with a wall or other objects Figure 4 16 Lifting a SUN2000 The figure is for reference only Step 5 Install the SUN2000 on the mounting bracket ...

Page 35: ...PM1 63KTL JPM0 User Manual 4 Installation Issue 01 2018 09 30 Copyright Huawei Technologies Co Ltd 29 Figure 4 17 Mounting the SUN2000 onto a mounting bracket Step 6 Tighten the two antitheft screws using a security torx wrench ...

Page 36: ...SUN2000 50KTL JPM0 50KTL JPM1 63KTL JPM0 User Manual 4 Installation Issue 01 2018 09 30 Copyright Huawei Technologies Co Ltd 30 Figure 4 18 Tightening antitheft screws End ...

Page 37: ...n can perform electrical terminations Wear proper PPE at all time when terminating 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 grounding 5 2 Crimping the OT Terminal Requirements for the OT Terminal If a copper cable is used u...

Page 38: ... the cable connection reliability The copper to aluminum adapter terminal or an aluminum wiring terminal with a copper to aluminum adapter washer must comply with IEC61238 1 Do not mix up the aluminum and copper sides of the copper to aluminum adapter washer Ensure that the aluminum side of the washer contacts the aluminum wiring terminal and the copper side contacts the AC terminal block Figure 5...

Page 39: ...l is crimped must wrap the core wires completely The core wires must contact the OT terminal closely Wrap the wire crimping area with heat shrink tubing or PVC insulation tape The following figure uses heat shrink tubing as an example When using the heat gun protect devices from being scorched Figure 5 2 Crimping the OT Terminal 1 Cable 2 Core wire 3 Heat shrink tubing 4 OT terminal 5 Hydraulic pl...

Page 40: ...nance compartment door in rainy or snowy days If unavoidable take protective measures to prevent rain or snow from entering the maintenance compartment Do not leave extra hardware in the maintenance compartment Procedure Step 1 Partially loosen the two screws on the maintenance compartment door Figure 5 3 Loosening screws If the screws on the enclosure door are lost obtain spare screws from the fi...

Page 41: ...g it on the hook of the door Figure 5 6 Removing a cover End 5 4 Installing the AC Output Power Cable Precautions A three phase AC switch needs to be configured outside the AC side of the SUN2000 To ensure that the SUN2000 can safely disconnect from the power grid under abnormal conditions select an appropriate overcurrent protection device according to local power distribution regulations Model R...

Page 42: ...alled outside the SUN2000 63KTL JPM0 the residual current value to trigger the switch should be greater than 700 mA Wiring Precautions Ensure that the SUN2000 PE cable is securely connected Otherwise the repair of the built in PID would be affected The ground point on the enclosure is preferred to connect to the PE cable for the SUN2000 The ground point in the maintenance compartment is mainly use...

Page 43: ...ons Cross Sectional Area S mm2 of the AC Power Cable Conductor Cross Sectional Area SP mm2 of the PE Cable Conductor 16 S 35 SP 16 35 S SP S 2 The values in this table are valid only if the PE cable and AC power cable use the same conductor material If this is not so the cross sectional area of the PE cable conductor is to be determined in a manner which produces a conductance equivalent to that w...

Page 44: ...cable gland 1 Select appropriate rubber fittings based on the outer diameter of the AC power cable to ensure proper sealing 2 To avoid damaging the rubber fitting do not route a cable with a crimped OT terminal directly through the rubber fitting 3 Adjusting a cable when the thread lock sealing nut is tightened will shift the rubber fitting which will affect the Ingress Protection Rating of the de...

Page 45: ... 30 Copyright Huawei Technologies Co Ltd 39 Figure 5 9 Three core cable A Core wire B Insulation layer C Jacket Figure 5 10 Four core cable Step 4 Crimp an OT terminal Step 5 Land the AC output power cable in the terminal block and tighten the nuts with a torque wrench that has an extension rod ...

Page 46: ...mal events Any SUN2000 damaged due to weak termination will result in revocation of product warranty When connecting a PE cable secure the screws using a socket wrench with an extension wrench longer than 200 mm If the AC output power cables are subject to a pulling force because the inverter is not installed stably ensure that the last cable that bears the stress is the PE cable Figure 5 11 Conne...

Page 47: ...ensure that the DC voltage is within the safe range lower than 60 V DC and that the two DC switches on the SUN2000 are OFF Failing to do so may result in electric shocks When the SUN2000 is grid tied it is not allowed to work on DC circuit such as connecting or disconnecting a PV string or a PV module in a PV string Failing to do so may cause electric shocks or arcing which may further cause fire ...

Page 48: ...000 The caused equipment damage is beyond the warranty scope Terminal Description The SUN2000 provides 12 DC input terminals among which terminals 1 to 6 are controlled by DC switch 1 and terminals 7 to 12 are controlled by DC switch 2 Figure 5 13 DC terminals Select DC input terminals according to the following rules 1 Evenly distribute DC input power cables on the DC input terminals controlled b...

Page 49: ...ls are lost or damaged purchase the PV connectors of the same model The device damaged caused by incompatible PV connectors is not covered under any warranty or service agreement Crimp the metal contacts supplied with DC connectors using crimping tool H4TC0002 Amphenol recommended PV CZM 22100 Staubli or PV CZM 19100 Staubli When choosing PV CZM 22100 or PV CZM 19100 do not use the locator Otherwi...

Page 50: ... 2 Negative metal contact 3 Positive connector 4 Negative connector After the positive and negative metal terminals snap into place pull the DC input power cables back to ensure that they are connected securely Step 2 Use a multimeter to measure the DC voltage between the positive and negative of the PV string and confirm the string polarity The DC voltage measurement range of the multimeter must ...

Page 51: ... greater than 1100 V too many PV modules are configured to the same string Remove some PV modules Step 3 Pull out the blue dustproof plugs from the ends of the DC input connectors Before performing Step 4 ensure that the two DC switches are OFF Step 4 Insert the positive and negative connectors into the corresponding positive and negative DC input terminals of the SUN2000 until they snap into plac...

Page 52: ...adiance declines and the PV string current reduces to below 0 5 A and then turn off the two DC switches and remove the positive and negative connectors Correct the string polarity before reconnecting the string to the SUN2000 End 5 6 Installing the Communications Cable 5 6 1 Communication Mode Description The SUN2000 can connect to the SmartLogger over RS485 or to a PC through the SmartLogger to i...

Page 53: ... If multiple SUN2000s need to communicate with one another and are connected to a PC over the SmartLogger1000 a maximum of three daisy chains can be configured If multiple SUN2000s need to communicate with one another and are connected to a PC over the SmartLogger2000 a maximum of six daisy chains can be configured To ensure the system response speed it is recommended that the number of devices on...

Page 54: ... in practice Terminal block connection is recommended When laying out communications cables separate them from power cables to avoid strong signal interference sources 5 6 2 1 Terminal Block Connection Terminal Block Port Definitions Figure 5 20 shows an RS485 terminal block Figure 5 20 Terminal block Table 5 3 Port definitions of the RS485 terminal block No Port Definition Description 1 RS485A IN...

Page 55: ...Remove an appropriate length of the jacket and core wire insulation layer from the communications cable using a wire stripper Figure 5 21 Stripping an RS485 communications cable Step 2 Route the communications cable through the cable gland Figure 5 22 Routing a cable Step 3 Remove the cable terminal base from the terminal block and connect the communications cable to the terminal base ...

Page 56: ... IN 2 RS485A OUT 3 RS485B IN 4 RS485B OUT Step 4 Land the cables in the terminal block and bond the shield layer to the ground point When connecting the shielded cable crimp the OT terminal if required Figure 5 24 Connecting communications cables Step 5 Bundle communications cables after connecting them Tie the communication cables with the cables on internal side of the maintenance compartment ...

Page 57: ...n the thread lock sealing nut and seal the cable gland End 5 6 2 2 Connecting Cables to the RJ45 Network Port RJ45 Connector Pin Definitions Figure 5 26 shows an RJ45 connector Figure 5 26 RJ45 connector Table 5 4 lists the RJ45 connector pin definitions Table 5 4 RJ45 connector pin definitions Pin Color Function 1 White and orange RS485A differential signal 2 Orange RS485B differential signal ...

Page 58: ...A differential signal 5 White and blue RS485B differential signal 6 Green N A 7 White and brown N A 8 Brown N A Connecting Cables to the RJ45 Network Port Step 1 Prepare an RJ45 connector Figure 5 27 Preparing an RJ45 connector 1 White and orange 2 Orange 3 White and green 4 Blue 5 White and blue 6 Green 7 White and brown 8 Brown Step 2 Route the communications cable through the cable gland ...

Page 59: ...o Ltd 53 Figure 5 28 Routing a cable Step 3 Insert the RJ45 connector into the RJ45 network port in the SUN2000 maintenance compartment Figure 5 29 Connecting communications cables Step 4 Bundle communications cables after connecting them Tie the communication cables with the cables on internal side of the maintenance compartment ...

Page 60: ...ight Huawei Technologies Co Ltd 54 Figure 5 30 Bundling communications cables Step 5 Tighten the thread lock sealing nut and seal the cable gland End 5 7 Closing the Maintenance Compartment Door Procedure Step 1 Install the AC terminal cover Figure 5 31 Installing a cover Step 2 Retrieve the support bar ...

Page 61: ...Manual 5 Electrical Connections Issue 01 2018 09 30 Copyright Huawei Technologies Co Ltd 55 Figure 5 32 Retrieving a support bar Step 3 Close the maintenance compartment door and tighten the two screws on the door Figure 5 33 Tightening screws End ...

Page 62: ...at the communications cable is connected correctly and securely 7 Check that all used cable glands at the bottom of the enclosure are sealed and that the thread lock sealing nut is tightened 8 Check that the AC terminal cover is reinstalled 9 Check that the maintenance compartment interior is clean and tidy without foreign matter 10 Check that the maintenance compartment door is closed and the doo...

Page 63: ...t the bottom of the SUN2000 Step 3 Connect the SUN2000 to the mobile phone that runs SUN2000 app through a Bluetooth module or USB data cable When the iOS is used the app supports only Bluetooth connection The screenshots in this document correspond to SUN2000 app 2 2 00 031 Figure 6 1 Bluetooth module connection A SUN2000 B Bluetooth module C Mobile phone Purchase the Bluetooth module bundled wit...

Page 64: ...issioning Issue 01 2018 09 30 Copyright Huawei Technologies Co Ltd 58 The port type of the USB data cable connecting to the SUN2000 is USB 2 0 Use the USB data cable delivered with the mobile phone Figure 6 3 Login screen Figure 6 4 Selecting a connection mode ...

Page 65: ...n Figure 6 6 Data cable connection After you select Use by default for this USB accessory the message that asks you whether the SUN2000 app is allowed to access the USB will not appear if you reconnect the app without disconnecting the USB data cable Step 4 Tap the user name area on the SUN2000 app to switch between Common User Advanced User and Special User ...

Page 66: ...es The password should consist of 6 characters 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 displayed On the quick settings screen you can set basic parameters...

Page 67: ...te protocol and address based on site requirements Baud rate can be set to 4800 9600 or 19200 Protocol can be set to MODBUS RTU and address can be set to any value in the range of 1 to 247 When multiple SUN2000s communicate with the SmartLogger over RS485 the RS485 addresses for all the SUN2000s on each RS485 route must be within the address range set on the SmartLogger and cannot be duplicate Oth...

Page 68: ... the remaining electricity and heat may still cause electric shocks and body burns Therefore put on personal protective equipment PPE and begin servicing the SUN2000 fifteen minutes after power off Procedure Step 1 Run a shutdown command on the SUN2000 app SmartLogger or NMS For details see the SUN2000 App User Manual SmartLogger1000 User Manual SmartLogger2000 User Manual or iManager NetEco 1000S...

Page 69: ... 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 as shown in Figu...

Page 70: ...nds 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 Table 7 1 LED indicator description LED Indicator Status Meaning Green off The...

Page 71: ...ile Step 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 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 consecutiv...

Page 72: ...2000 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 Table 7 3 LED indicator description LED Indicator Status Meaning Green off There is no operation with a USB flash drive Blinking green at long intervals on for 1s and then off for 1s There is an operation with a USB flash drive Blinking green at short intervals...

Page 73: ... 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 Table 7 4 LED indicator description LED Indicator Status Meaning Green off There is no operation with a USB flash drive Blinking...

Page 74: ...p version is 2 2 00 031 Configurable parameters vary depending on the grid code The actual display prevails 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 Setti...

Page 75: ...rameters Procedure Step 1 Choose Function Menu Settings Protect Parameters to access the settings screen Figure 7 3 Protect parameters advanced user End Parameter List No Parameter Description Unit Default Value Value Range 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 th...

Page 76: ...ulti peak scanning When the SUN2000 is used in scenarios where PV strings are obviously shaded enable this function Then the SUN2000 will perform MPPT scanning at regular intervals to locate the maximum power N A Disable Disable Enable The scanning interval is set by MPPT multi peak scanning interval 2 MPPT multi peak scanning interval Specifies the MPPT multi peak scanning interval min 15 5 30 Th...

Page 77: ...rent detection function is installed outside the SUN2000 this function should be enabled to reduce the residual current generated during SUN2000 running thereby preventing the AC switch from misoperations N A Disable Disable Enable N A 4 Reactive power output at night In some specific application scenarios a power grid company requires that the SUN2000 can perform reactive power compensation at ni...

Page 78: ...omatically if it detects abnormality in PID voltage compensation during the reactive power compensation at night When PID protection at night is set to Disable the SUN2000 will operate in grid tied mode if it detects abnormality in PID voltage compensation during the reactive power compensation at night N A Enable Disable Enable N A 6 Power quality optimizatio n mode If Power quality optimization ...

Page 79: ... the power to resume and SUN2000 to restart The parameter does not need to be set for crystalline silicon and filmy PV modules N A Crystalline silicon Crystalline silicon Film CPV 1 CPV 2 If PV module type is set to Crystalline silicon or Film the SUN2000 automatically detects the power of PV modules when they are shaded and shuts down if the power is too low When the concentration PV modules are ...

Page 80: ...ble output Disable output PV positive offset PV negative offset This parameter is displayed only if PV module type is set to Crystalline silicon 9 Built in PID running mode Specifies the operation mode of the SUN2000 built in PID N A Repair Disable Repair This parameter is displayed only for the models that support Built in PID repair 10 PID nighttime off grid repair Specifies whether to enable th...

Page 81: ...connect to one another in parallel outside the inverter and then connect to the inverter independently fully parallel connection set this parameter to All PV strings connected N A Automatic detection Automatic detection All PV strings separated All PV strings connected N A 13 Communic ation interrupt shutdown The standards of certain countries and regions require that the SUN2000 must shut down af...

Page 82: ...crease when the SUN2000 starts s 20 20 1800 N A 16 OVGR linked shutdown If this parameter is set to Enable the SUN2000 shuts down after receiving the OVGR signal If this parameter is set to Disable the SUN2000 does not shut down after receiving the OVGR signal N A Enable Disable Enable N A 17 Dry contact function Identifies dry contact signals sent from the SmartLogger N A NC NC OVGR Set this para...

Page 83: ...e starts if Upgrade delay is set to Enable the upgrade package is loaded first After the PV power supply recovers and the activation conditions are met the SUN2000 automatically activates the upgrade 21 String monitor The SUN2000 monitors PV strings in real time If any PV string is abnormal such as the PV string is shaded or the energy yield decreases the SUN2000 generates an alarm to remind maint...

Page 84: ...ng can be controlled by changing this parameter 20 1 100 24 Tracking system controller Selects a controller vendor N A No tracking controller No tracking controller Each controller vendor N A 7 2 2 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 2 2...

Page 85: ... countries and regions require that the SUN2000 must not export power to the power grid again when the grid voltage exceeds the value of Grid reconnection voltage upper limit after the SUN2000 shuts down due to a fault V 1 x Vn 1 36 x Vn 6 Grid reconnection voltage lower limit The standards of certain countries and regions require that the SUN2000 must not export power to the power grid again when...

Page 86: ...10 10 Reactive power compensation cosφ P exit voltage Specifies the voltage threshold for exiting reactive power compensation based on the cosφ P curve 90 100 7 2 2 2 Setting Protection Parameters Procedure Step 1 Choose Function Menu Settings Protection Parameters to access the settings screen Figure 7 6 Protection parameters special user End Parameter List No Parameter Description Unit Value Ran...

Page 87: ... 5 10 minute OV protection time Specifies the 10 minute overvoltage protection duration ms 50 7200000 6 Level 1 OV protection Specifies the level 1 overvoltage protection threshold V 1 x Vn 1 4 x Vn 7 Level 1 OV protection time Specifies the level 1 overvoltage protection duration ms 50 7200000 8 Level 1 UV protection Specifies the level 1 undervoltage protection threshold V 0 15 x Vn 1 x Vn 9 Lev...

Page 88: ... 7 Feature parameters special user End Parameter List No Parameter Description Unit Value Range Remarks 1 LVRT When the power grid voltage is abnormally low for a short time the SUN2000 cannot disconnect from the power grid immediately and has to work for some time This is called LVRT N A Disable Enable N A 2 LVRT threshold Specifies the threshold for triggering LVRT The threshold settings should ...

Page 89: ... some specific application scenarios a power grid company requires that the SUN2000 can perform reactive power compensation at night to ensure that the power factor of the local power grid meets requirements N A Disable Enable This parameter is configurable only when Isolation is set to Input ungrounded with a transformer 6 HVRT When the power grid voltage is abnormally high for a short time the S...

Page 90: ...eactive power when the output voltage exceeds a certain value 100 115 This parameter is displayed when Voltage rise suppression is set to Enable The value of Voltage rise suppression active derating point must be greater than that of Voltage rise suppression reactive adjustment point 12 Voltage rise suppression active derating point The standards of certain countries and regions require that the a...

Page 91: ...lue Range Remarks 1 Remote power schedule If this parameter is set to Enable the SUN2000 responds to the remote power scheduling instruction If this parameter is set to Disable the SUN2000 does not respond to the remote power scheduling instruction N A Disable Enable N A 2 Schedule instruction valid duration Specifies the duration within which the scheduling instruction is valid s 0 86400 If the v...

Page 92: ...ameter is set to Disable the SUN2000 does not shut down after receiving the 0 power limit command N A Disable Enable N A 6 Active power change gradient Adjusts the change speed of the SUN2000 active power s 0 1 1000 Adjust the active power based on the percentage of the rated apparent power 7 Fixed active power derated Adjusts the active power output of the SUN2000 to a fixed value kW 0 Pmax_limit...

Page 93: ...t kVar If Reactive power output at night and Enable reactive power parameters at night are set to Enable when there is no PV input and remote scheduling instruction this command is responded N A 33 3 33 3 N A 14 Overfrequenc y derating If this parameter is enabled the active power of the inverter will be derated according to a certain slope when the grid frequency exceeds the value that triggers o...

Page 94: ...output frequency is 50 Hz the value range is 45 00 55 00 Hz When the output frequency is 60 Hz the value range is 55 00 65 00 Hz N A 17 Cutoff frequency of overfrequenc y derating Specifies the frequency threshold for cutting off overfrequency derating Hz 55 00 65 00 N A 18 Cutoff power of overfrequenc y derating Specifies the power threshold for cutting off overfrequency derating 5 20 N A 19 Reco...

Page 95: ...N2000 are OFF If you need to open the maintenance compartment door on rainy or snowy days take protective measures to prevent rain and snow entering the maintenance compartment If it is impossible to take protective measures do not open the maintenance compartment door on rainy or snowy days Table 8 1 Maintenance checklist Item Check Method Maintenance Frequency System cleanliness Periodically che...

Page 96: ... covered by watertight caps The first inspection is six months after the initial commissioning From then on the interval can be six or twelve months Grounding reliability Check that ground cables are securely connected The first inspection is six months after the initial commissioning From then on the interval can be six or twelve months 8 2 Checking Spot check Terminal Signals The spot check term...

Page 97: ...check port for PV input string 3 and 4 MPPT 2 5 PV5 6 Spot check port for PV input string 5 and 6 MPPT 3 6 PV5 6 Spot check port for PV input string 5 and 6 MPPT 3 7 PV7 8 Spot check port for PV input string 7 and 8 MPPT 4 8 PV7 8 Spot check port for PV input string 7 and 8 MPPT 4 9 PV9 10 Spot check port for PV input string 9 and 10 MPPT 5 10 PV9 10 Spot check port for PV input string 9 and 10 MP...

Page 98: ...e maximum operating voltage of the SUN2000 Cause ID 1 corresponds to PV strings 1 and 2 Cause ID 2 corresponds to PV strings 3 and 4 Cause ID 3 corresponds to PV strings 5 and 6 Cause ID 4 corresponds to PV strings 7 and 8 Cause ID 5 corresponds to PV strings 9 and 10 Cause ID 6 corresponds to PV strings 11 and 12 Reduce the number of PV modules connected in series to the PV string until the PV st...

Page 99: ... The PV string has been shaded for a long time 2 The PV string deteriorates abnormally Cause IDs 1 to 12 respectively correspond to PV strings 1 to 12 1 Check whether the current of the abnormal PV string is lower than the current of other PV strings If yes check that the abnormal PV string is not shaded and the actual number of PV strings is the same as the configured number 2 If the abnormal PV ...

Page 100: ...ersists for a long time check the AC circuit breaker and AC output power cable 2034 Grid Overvol tage Major The grid voltage exceeds the higher threshold or the high voltage duration has lasted for more than the value specified by HVRT 1 Check whether the grid connection voltage exceeds the upper threshold If yes contact the local power operator 2 If you have confirmed that the grid connection vol...

Page 101: ...grid exception The actual power grid frequency is lower than the standard requirement for the local power grid 1 If the alarm occurs accidentally the power grid may be abnormal temporarily The SUN2000 automatically recovers after detecting that the power grid becomes normal 2 If the alarm occurs frequently check whether the grid frequency is within the acceptable range If no contact the local powe...

Page 102: ...specified upper threshold 1 If the exception is caused by an external fault the SUN2000 automatically recovers after the fault is rectified 2 If the alarm occurs frequently and affects the power production of the PV plant contact Huawei technical support 2051 Abnorm al Residual Current Major The insulation impedance of the input side to PE decreases when the SUN2000 is operating 1 If the alarm occ...

Page 103: ...perature at the SUN2000 installation position If the ventilation is poor or the ambient temperature exceeds the upper threshold improve the ventilation and heat dissipation 2 If the ventilation and ambient temperature both meet requirements contact Huawei technical support 2064 Device Fault Major An unrecoverable fault occurs on a circuit inside the SUN2000 Turn off the AC output switch and DC inp...

Page 104: ... 1 1 Turn off the AC output switch and then the DC input switch After 15 minutes turn on the AC output switch and then the DC input switch 2 If the fault persists contact your supplier Huawei technical support Cause ID 2 1 Check the output resistance of PV arrays to ground If there is a short circuit or lack of insulation rectify it 2 If the fault persists contact your supplier Huawei technical su...

Page 105: ...orm 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 pac...

Page 106: ...N2000 63KTL JP M0 Maximum efficiency 98 90 480 V 98 70 440 V 98 60 420 V 98 90 480 V 98 70 440 V 98 90 480 V 98 70 440 V Input Item SUN2000 50KTL JP M0 SUN2000 50KTL JP M1 SUN2000 63KTL JP M0 Maximum input power 51 100 W 51 000 W 63 800 W Maximum input voltage 1100 V Maximum input current per MPPT 22 A Maximum short circuit current per MPPT 30 A Maximum SUN2000 backfeed current to the PV array 0 A...

Page 107: ...Output Item SUN2000 50KTL JP M0 SUN2000 50KTL JP M1 SUN2000 63KTL JP M0 Rated active power 50 kW 49 9 kW 62 5 kW Maximum apparent power 55 5 kVA 55 5 kVA 70 kVA Maximum active power cos 1 50 kW 49 9 kW 62 5 kW Rated output voltagea 242 5 V 420 V 254 V 440 V 277 V 480 V 3W PE 254 V 440 V 277 V 480 V 3W PE 254 V 440 V 277 V 480 V 3W PE Rated output current 68 8 A 420 V 65 7 A 440 V 60 2 A 480 V 65 5...

Page 108: ... on the SUN2000 app SmartLogger or NetEco Protection Item SUN2000 50KTL JP M0 SUN2000 50KTL JP M1 SUN2000 63KTL JP M0 Input DC switch Supported Anti islanding protection Supported Output overcurrent protection Supported Input reverse polarity protection Supported PV string fault detection Supported DC surge protection Type II AC surge protection Type II Insulation resistance detection Supported Re...

Page 109: ... PV positive offset Otherwise PV modules may be damaged For the SUN2000 that supports built in PID repair when Built in PID running mode is set to Repair there is repair voltage between PV modules and the ground at night If you need to maintain PV modules at night power off the SUN2000 to avoid electric shocks Display and Communication Item SUN2000 50KTL JP M0 SUN2000 50KTL JP M1 SUN2000 63KTL JP ...

Page 110: ...63KTL JPM0 User Manual 10 Technical Specifications Issue 01 2018 09 30 Copyright Huawei Technologies Co Ltd 104 Item SUN2000 50KTL JP M0 SUN2000 50KTL JP M1 SUN2000 63KTL JP M0 Ingress Protection Rating IP65 Topology Transformerless ...

Page 111: ...tio n SUN2000 50KTL J PM0 SUN2000 50KTL J PM1 SUN2000 63KTL J PM0 1 Japan standard 50Hz Japan power grid MV480 50 Hz Supported Supported Supported 2 Japan standard 60Hz Japan power grid MV480 60 Hz Supported Supported Supported 3 Japan standard MV420 50Hz Japan power grid MV420 50 Hz Supported N A N A 4 Japan standard MV420 60Hz Japan power grid MV420 60 Hz Supported N A N A 5 Japan standard MV440...

Page 112: ...ies Co Ltd 106 A Acronyms and Abbreviations C CCO central controller H HVRT high voltage ride through L LED light emitting diode LVRT low voltage ride through M MPP maximum power point MPPT maximum power point tracking P PID potential induced degradation PLC power line communication PV photovoltaic R RCD residual current device ...

Page 113: ...SUN2000 50KTL JPM0 50KTL JPM1 63KTL JPM0 User Manual AAcronyms and Abbreviations Issue 01 2018 09 30 Copyright Huawei Technologies Co Ltd 107 W WEEE waste electrical and electronic equipment ...

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