Sungrow SG2500HV-30 System Manual
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Sungrow SG2500HV-30 System Manual

Sungrow SG2500HV-30 System Manual

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S S G G 2 2 5 5 0 0 0 0 H H V V - - 3 3 0 0 / / S S G G 3 3 1 1 2 2 5 5 H H V V - - 3 3 0 0 / / S S G G 3 3 4 4 0 0 0 0 H H V V - - 3 3 0 0 / / S S G G 3 3 1 1 2 2 5 5 H H V V - - 3 3 1 1 / / S S G G 3 3 1 1 2 2 5 5 H H V V - -
O O u u t t d d o o o o r r I I n n v v e e r r t t e e r r S S y y s s t t e e m m
3 3 2 2
M M a a n n u u a a l l S S G G 2 2 5 5 0 0 0 0 H H V V _ _ 3 3 1 1 2 2 5 5 H H V V _ _
3 3 4 4 0 0 0 0 H H V V - - 3 3 0 0 _ _ 3 3 1 1 _ _ 3 3 2 2 - - S S E E N N - - V V e e r r 1 1 5 5 - -
2 2 0 0 2 2 1 1 0 0 6 6
SG2500HV_3125HV_3400HV-30_31_32-SEN-Ver15-202106
SG2500HV-30/SG3125HV-30/SG3400HV-30/SG3125HV-31/SG3125HV-32
O O u u t t d d o o o o r r I I n n v v e e r r t t e e r r
S S y y s s t t e e m m M M a a n n u u a a l l

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Summary of Contents for Sungrow SG2500HV-30

  • Page 1 2 2 0 0 2 2 1 1 0 0 6 6 SG2500HV_3125HV_3400HV-30_31_32-SEN-Ver15-202106 SG2500HV-30/SG3125HV-30/SG3400HV-30/SG3125HV-31/SG3125HV-32 O O u u t t d d o o o o r r I I n n v v e e r r t t e e r r...

  • Page 3: Table Of Contents

    C C o o n n t t e e n n t t s s 1 About This Manual ..................1 1.1 Validity ......................1 1.2 Content ......................1 1.3 Target Group....................2 1.4 Symbols Explanation ..................2 1.5 How to Use this Manual................3 1.6 Terminology ....................
  • Page 4 3.2.1 Internal Components ................ 13 3.2.2 Internal Devices of the Inverter............14 3.2.3 Operations on the DC and AC Side............ 15 4 Delivery ......................18 4.1 Scope of Delivery ..................18 4.2 Identifying the Inverter ................19 4.3 Checking for Transport Damages ............... 19 4.4 Storage of the Inverter................
  • Page 5 6.5 AC Connection ................... 41 6.5.1 Safety Notices .................. 41 6.5.2 AC Connection Area on the Side ............41 6.5.3 AC Connection Area at the Bottom............ 43 6.6 Communication Connection ............... 45 6.7 Ground Connection ..................45 6.8 Finishing Electrical Connection..............47 7 Commissioning ...................
  • Page 6 9.5 Language Setting..................61 9.5.1 Conventional Way................61 9.5.2 Shortcut ................... 61 9.6 Setting Date and Time ................61 9.7 Checking Running Information ..............62 9.8 Checking History Information ..............62 9.8.1 Checking History Event ..............62 9.8.2 Checking History Data ..............62 9.8.3 Checking History Fault ..............
  • Page 7 10.9.4 Islanding Protection ................ 74 10.9.5 Overload Protection ................ 74 10.9.6 Ground Protection ................74 10.9.7 Module Over-temperature Protection..........75 10.9.8 Internal Over-temperature Protection..........75 11 Troubleshooting ..................76 11.1 Safety Instructions..................76 11.2 Checking Fault ..................76 11.3 Fault and Troubleshooting on the Inverter ..........77 11.4 Other Fault and Troubleshooting ..............

  • Page 9: About This Manual

    About This Manual 1.1 Validity This manual is intended for the following product: SG2500HV-30 • SG3125HV-30 • SG3400HV-30 • SG3125HV-31 • SG3125HV-32 • 1.2 Content This manual contains the following information: D D e e s s c c r r i i p p t t i i o o n n...

  • Page 10: Target Group

    1 About This Manual System Manual 1.3 Target Group This manual is for technical personnel who are responsible for the transport, installation and other operations on the inverter. Only qualified personnel can perform the installation, maintenance, and troubleshooting. Unauthorized persons should not perform any operation on the inverter and should be away from the inverter to avoid potential hazards.

  • Page 11: How To Use This Manual

    All rights reserved including the pictures, markings and symbols used. Any reproduction or disclosure, even partially, of the contents of this manual is strictly forbidden without prior written authorization of Sungrow. The contents of the manual will be periodically updated or revised due to the product development.
  • Page 12 1 About This Manual System Manual The foregoing devices are expressed in the abbreviation form in this document unless otherwise specified.

  • Page 13: Safety Instructions

    Safety Instructions 2.1 Intended Usage The inverter, designed and manufactured by Sungrow, is mainly applied to large-and- medium PV power station. The inverter can meet the requirements of modular design and quick installation for large-and-medium PV power station and can ensure the long- term, reliable, and safe feed-in operation.

  • Page 14: General Safety Rules

    2 Safety Instructions System Manual 2.2.1 General Safety Rules Touching the terminals or contactors connected to the grid may lead to electric shock! Do not touch the terminals or conductors connected to the grid. • Respect all safety instructions on the grid connection. •...

  • Page 15: Pv Arrays Hazards

    System Manual 2 Safety Instructions 2.2.3 PV Arrays Hazards DC high voltage! Electric shock hazards! When exposed to sunlight, PV array will produce voltage, which is very high in large-scale power station Death from burning and electric shock due to touching the PV array. During installation, maintenance, and troubleshooting of the device, ensure that: The inverter is disconnected from the PV array.

  • Page 16: Volt-Free Operations

    2 Safety Instructions System Manual 2.2.7 Volt-free Operations Perform operations on the inverter only when all devices inside the inverter are completely voltage-free. Avoid any inadvertent re-connections. • Verify that no voltage or current is present with appropriate measurement instrument. •...

  • Page 17: Safety Warning Signs

    System Manual 2 Safety Instructions Do not damage or tear the symbols. All symbols on the device body must be clearly legible. • Replace the symbols once any damage or illegibility is detected. • 2.2.12 Safety Warning Signs During transport, installation, maintenance, and troubleshooting of the inverter, keep unauthorized persons away.

  • Page 18: Manual Description

    All the descriptions in this manual are based on the standard inverter, and the actual product you receive may differ. If necessary, specify your requirements when placing the order. This manual may not cover all possible situations. Should a specific problem not explained in this manual occur, contact Sungrow.

  • Page 19: Product Description

    Product Description 3.1 Overall Design of the Inverter 3.1.1 Inverter Views C C o o n n t t r r o o l l a a n n d d M M o o n n i i t t o o r r i i n n g g W W i i n n d d o o w w The Control and Monitoring window is located on the front door of the inverter.

  • Page 20: Mechanical Parameter

    3 Product Description System Manual L L E E D D I I n n d d i i c c a a t t o o r r s s The working status of the inverter can be acquired through these LEDs. D D e e s s c c r r i i p p t t i i o o n n L L E E D D C C o o l l o o r r...

  • Page 21: Ventilation Design

    System Manual 3 Product Description 3.1.3 Ventilation Design The ventilation system is designed as the cool air is drawn from the top of the inverter and hot air is exhausted from the bottom of the inverter. 3.2 Interior Design of the Inverter 3.2.1 Internal Components The figure below shows the top view of the major electrical components inside the inverter:...

  • Page 22: Internal Devices Of The Inverter

    3 Product Description System Manual D D e e s s c c r r i i p p t t i i o o n n N N o o . . D D e e v v i i c c e e That includes fuses and DC switches.

  • Page 23: Operations On The Dc And Ac Side

    System Manual 3 Product Description D D e e s s c c r r i i p p t t i i o o n n N N o o . . N N a a m m e e Disconnect the switch before maintaining AC cabinet AC maintenance components.
  • Page 24 3 Product Description System Manual D D e e s s c c r r i i p p t t i i o o n n N N o o . . N N a a m m e e When the circuit breaker has no energy, Manual energy storage manually store energy through this button.
  • Page 25 System Manual 3 Product Description After the breaker is switched on, the breaker panel displays CLOSED. Never manually connect the AC circuit breaker when the AC side carries voltage. Switch off • Press the Push OFF button on the breaker panel to switch off the breaker. After the breaker is switched off, the breaker panel displays OPEN...

  • Page 26: Delivery

    Delivery 4.1 Scope of Delivery The scope of delivery of the inverter is shown in the following table: Q Q u u a a n n t t i i t t y y N N o o . . D D e e v v i i c c e e N N o o t t e e Inverter...

  • Page 27: Identifying The Inverter

    Therefore, once receiving the inverter, perform a detailed inspection. If any damage is found, contact the forwarding company or Sungrow immediately. Check the scope of delivery described in "4.1 Scope of Delivery"for completeness.

  • Page 28: Storage Of The Inverter

    4 Delivery System Manual 4.4 Storage of the Inverter If the inverter is not to be installed immediately after delivery, store it appropriately: Store the inverter indoors, for example, large warehouse or workshop, to prevent • possible condensation or damp. If the inverter has to be stored outdoors, elevate the inverter base according to the geological and ambient conditions.

  • Page 29: Mechanical Installation

    Mechanical Installation Respect all local standards and requirements during mechanical installation. 5.1 Transport All devices are installed inside the inverter before delivery. The inverter should be transported as a whole. Transport the inverter by a crane with sufficient load capacity. The inverter is delivered to the user by the forwarding company.
  • Page 30 5 Mechanical Installation System Manual – When multiple inverters are transported, in addition to fixing the top and bottom of the cabinets to the transportation vehicle, ropes are also needed to connect the lifting rings between the cabinets.

  • Page 31: Hoisting The Inverter

    System Manual 5 Mechanical Installation D D e e s s c c r r i i p p t t i i o o n n N N o o . . Top lifting rings, a total of 4, used only for fixing inverter during transportation N N o o t t i i c c e e : : 1 1 .

  • Page 32: Hoisting

    5 Mechanical Installation System Manual All safety requirements must be met. • A professional instructor is required in the whole hoisting process. • All the used slings must have the load-bearing capacity of at least 10t. • The crane should have sufficient arm length and radius of gyration. •...
  • Page 33 System Manual 5 Mechanical Installation The inverter should be hoisted by using four top corner fittings as shown in the following figure. R R e e q q u u i i r r e e m m e e n n t t I I t t e e m m S S o o u u r r c c e e The lifting rope can be a sling or a nylon...

  • Page 34: Fastening Of Connectors

    National and local safety rules should be observed at all times. Violating relevant safety rules may void pertinent warranty claims from Sungrow. 5.3 Foundation 5.3.1 Selection of Installation Site When selecting the installation site, consider the following requirements at least: The installation location should be as far away as possible from chemical plants and •...

  • Page 35: Foundation Requirements

    System Manual 5 Mechanical Installation 5.3.2 Foundation Requirements Pay attention to the high weight of the inverter. Check thoroughly the conditions on the installation site (mainly the geographical and environmental conditions) before designing and constructing the foundation. Improper foundation construction may affect the placement of the inverter, open & close of the door, and future maintenance.

  • Page 36: Other Precautions

    5 Mechanical Installation System Manual N N o o N N a a m m e e Strip foundation Ground Protective grid Construct foundation according to the scheme shown in figure below. F F i i g g u u r r e e N N a a m m e e 20# steel channel Inverter base...

  • Page 37: Removing The Sealing Tapes

    System Manual 5 Mechanical Installation 5.4 Removing the Sealing Tapes Before delivery, the air inlet of the inverter and the heat exchanger are all pasted with sealing tapes, shown as A and B respectively. Removing these sealing tapes before the inverter is put into operation.

  • Page 38: Clearance Requirement

    5 Mechanical Installation System Manual step 1 Remove the bottom cover of the inverter. step 2 Take out the plate 1 and plate 2 in the scope of delivery, slide the two plates on the bottom of the inverter and fix them. step 3 Take out the C-shaped plate, and fix the plate to the bottom of the inverter.
  • Page 39 System Manual 5 Mechanical Installation 1,000 2,500 2,500 2,500 2,500 Unit:mm.

  • Page 40: Electrical Installation

    Electrical Installation 6.1 Safety Instructions 6.1.1 Generals Rules High voltage! Electrical shock hazards! Do not touch the live components of the device. • Make sure the AC and DC sides are voltage-free before installation. • Never put flammable materials in the vicinity of the module. •...
  • Page 41 Strictly follow all the instructions when connecting the cables. The installation and design of the inverter must fulfill national and local • standards and regulations. Sungrow shall not be held liable for the inverter or system fault caused by • ignorance of the description in this manual.

  • Page 42: Preparation Before Electrical Connections

    6 Electrical Installation System Manual Select optical fibers as the external communication cable to lower the signal interference. F F i i v v e e S S a a f f e e t t y y R R u u l l e e s s During electrical connections and other operations on the module, observe the following Five Safety Rules: Disconnect all the external connections and disconnect the inverter internal power...

  • Page 43: Opening The Cable Entries

    System Manual 6 Electrical Installation 6.2.2 Opening the Cable Entries D D r r i i l l l l i i n n g g P P r r o o c c e e d d u u r r e e step 1 Opening the door.(Refer to "13 Periodic Actions".)

  • Page 44: During Connection

    6 Electrical Installation System Manual 6.2.4 During Connection Make sure the DC cables are correctly routed before connection. Do not pull the cables hard during connection. • Make sure there is enough wire bending space for all connection cables. • Take proper measures to reduce the stress of cables.

  • Page 45: Dc Connection

    System Manual 6 Electrical Installation Cables for one side should be of the same type and specification. • Flame retardant and fire resistant cables are recommended. • Overloading operation of cables is strictly forbidden. 6.4 DC Connection 6.4.1 Checking before Connection Check the following items before cable connections.
  • Page 46 6 Electrical Installation System Manual D D C C C C o o n n n n e e c c t t i i o o n n A A r r e e a a f f i i g g u u r r e e 6 6 - - 1 1 Negative grounding f f i i g g u u r r e e 6 6 - - 2 2 Floating grounding N N o o .
  • Page 47 System Manual 6 Electrical Installation C C a a b b l l e e C C o o n n n n e e c c t t i i o o n n S S t t e e p p s s Proceed as follows to connect the DC cables: step 1 Make sure the switch upstream of the combiner box is in the OFF position.
  • Page 48 6 Electrical Installation System Manual N N o o . . N N a a m m e e N N o o . . N N a a m m e e Flat washer Copper bus Cable lug Spring washer Bolt When the aluminum wire is selected, a copper-aluminum adapter terminal is needed as shown below:...

  • Page 49: Ac Connection

    System Manual 6 Electrical Installation Long bolts may affect the insulation and may cause short circuit. • Remove the heat-shrink tubing between the cable lug and the copper bar if • necessary. Poor contact or over-heating may follow if otherwise. step 6 Confirm that all cable connections are secure.
  • Page 50 6 Electrical Installation System Manual A A C C C C o o n n n n e e c c t t i i o o n n A A r r e e a a C C o o n n n n e e c c t t i i o o n n S S t t e e p p s s Connect the copper bus to the the transformer side by using M12×55 bolts, and the torque is 60~70N.m.

  • Page 51: Ac Connection Area At The Bottom

    System Manual 6 Electrical Installation 6.5.3 AC Connection Area at the Bottom P P r r e e p p a a r r a a t t i i o o n n b b e e f f o o r r e e W W i i r r i i n n g g Remove the protective cover and the ventilation cover of the wiring area on the right side of the inverter.
  • Page 52 6 Electrical Installation System Manual f f i i g g u u r r e e 6 6 - - 3 3 Wiring copper bar C C a a b b l l e e R R e e q q u u i i r r e e m m e e n n t t s s Fasten the wiring terminal with the bolts in the scope of delivery.

  • Page 53: Communication Connection

    System Manual 6 Electrical Installation Long bolts may affect the insulation and may cause short circuit. • Remove the heat-shrink tubing between the cable lug and the copper bar if • necessary. Poor contact or over-heating may follow if otherwise. step 6 Confirm that all cable connections are secure.
  • Page 54 If you have any problems in relation to during the ground cable connection, contact the related technical personnel in time. Any installations not following the standards or the installation and alternation without permission may lead to safety incidents or damage to the devices. Sungrow shall hold no liability for the damages caused.

  • Page 55: Finishing Electrical Connection

    System Manual 6 Electrical Installation 6.8 Finishing Electrical Connection After the electrical connection, check the connection of all cables for correctness and firmness. After ensuring that all connections are correct and firm, Check the bottom of the inverter and seal the gaps between the cables with fireproof •...
  • Page 56 6 Electrical Installation System Manual I I n n s s t t a a l l l l i i n n g g t t h h e e L L - - s s h h a a p p e e d d A A n n g g l l e e S S t t e e e e l l If the foundation is uneven and the AC connection box is not fixed on the foundation smoothly, it can be improved by adjusting the height of the four L- shaped angles.

  • Page 57: Commissioning

    Commissioning 7.1 Safety Instructions High voltage! Electric shock! Wear proper protection equipment before all operations on the device. • Do not touch the live terminals or conductors. • Respect all safety instructions attached on the device and described in this •...

  • Page 58: Requirements Of Commissioning

    7 Commissioning System Manual 7.2 Requirements of Commissioning Before commissioning, installation of the DC cabinet and AC cabinet inside the inverter should be checked thoroughly. Ensure all the cables are connected securely and all bolts are fixed properly. • Ensure DC side voltage meets module requirements and the polarity is correct. •...

  • Page 59: Checking Grid Voltage

    System Manual 7 Commissioning DC side voltage should be no more than max. DC input voltage of the inverter. Too high DC voltage may damage the inverter even cause safety incident. To ensure the system reliability and device operation, PV cells on the DC side of the inverter should be from the same manufacturer andnumbers of PV cells in each string should be the same.

  • Page 60: Preparation Before Starting

    7 Commissioning System Manual 7.4 Preparation before Starting Place the disassembled protection grills to their original positions and ensure the • connection is secure. Clean the device site. Make sure the position is clean without flammable or explosive • materials. Ensure the ventilation of the installation place.
  • Page 61 System Manual 7 Commissioning Check the inverter grid-connected voltage, current, and THD are stable. • Check the grounding of the inverter enclosure. • Check the functionality of the LCD display. • Record accurately the inverter operation data during commissioning. • The duration of commissioning depends on the plant scale, plant location, onsite environmental conditions, and the like.

  • Page 62: Starting/Stopping

    Starting/Stopping 8.1 Starting 8.1.1 Inspection before starting After the maintenance or service work, inspect the following items, and then start inverter: All connections are performed in strict accordance with relevant manual and circuit • diagram. The coverings of the internal devices are fixed and secured. •...

  • Page 63: Stopping

    System Manual 8 Starting/Stopping The inverter needs no manual control in daily operation. Only qualified personnel are allowed to open the cabinet door for maintenance or troubleshooting. Keep the door closed and locked and store the keys of the door by appointed personnel during normal operation.
  • Page 64 8 Starting/Stopping System Manual Press emergency stop button only when an emergency or a fault occurs. Under normal conditions, stop the inverter via the stop instruction on the LCD panel. Press the emergency stop button immediately in case of emergency to make to ensure a timely response.

  • Page 65: Lcd Menu Operation

    LCD Menu Operation 9.1 LCD TouchScreen The eye-level LCD touchscreen inside the monitoring window on the front side of the inverter is used by the user to view data and set parameters. For user convenience, there are a large number of pictures of the LCD interface are provided in this chapter.

  • Page 66: Backlight And Screensaver

    LCD screen contains lots of parameters pertinent to the inverter operation. All parameters must be set by appointed personnel. Do not modify any parameters without full understanding of the relevant action or without consulting Sungrow Customer Support. 9.2.3 Backlight and Screensaver If no operation has been performed on the screen for more than 5 minutes, the backlight will go off.

  • Page 67: Layout Of The Submenus

    System Manual 9 LCD Menu Operation M M a a i i n n F F i i r r s s t t s s u u b b - - S S e e c c o o n n d d s s u u b b - - m m e e n n u u T T h h i i r r d d s s u u b b - - m m e e n n u u M M e e n n u u m m e e n n u u...

  • Page 68: Entering Password

    9 LCD Menu Operation System Manual 9.4 Entering Password Inverter parameters are protected by password. User can enter into the “Set- parameter” sub-menu only after entering the correct password. Proceed as follows to enter the password: step 1 Tap “Function” from the default menu. step 2 Tap “Set-parameter”...

  • Page 69: Language Setting

    System Manual 9 LCD Menu Operation - - - - E E n n d d 9.5 Language Setting 9.5.1 Conventional Way step 1 Tap “Function” from the default menu. step 2 Tap “Set-parameter”. step 3 Tap “Sys-parameter” after entering the correct password. step 4 Tap “Language &...

  • Page 70: Checking Running Information

    9 LCD Menu Operation System Manual - - - - E E n n d d 9.7 Checking Running Information Running information related to the operation of the inverter: R R e e a a l l - - t t i i m m e e d d a a t t a a The real time running information of the modules can be checked.

  • Page 71: Checking History Fault

    System Manual 9 LCD Menu Operation step 3 Tap “His-data” and enter into the history data sub-menu. Tap “Prev” or “Next” to turn pages up or down. - - - - E E n n d d 9.8.3 Checking History Fault step 1 Tap “Function”...

  • Page 72: Starting/Stopping

    9 LCD Menu Operation System Manual If there is a fault, the “Work State” will show “Fault”. Tap the “Fault” cell. The state column of the module unit that has fault will display “Fault". As shown in the left figure, a fault occurs to inverter unit 1.

  • Page 73: Checking Firmware Version

    System Manual 9 LCD Menu Operation Tap “Load default” and the password entering window appears. - - - - E E n n d d 9.12 Checking Firmware Version User can view the firmware version of LCD and DSP as follows: step 1 Tap “Function”...

  • Page 74: Running Parameters

    9 LCD Menu Operation System Manual Set parameter from the Network Parameter interface for IP address, subnet mask, • etc. - - - - E E n n d d 9.13.2 Running Parameters S S e e t t t t i i n n g g R R u u n n n n i i n n g g P P a a r r a a m m e e t t e e r r s s step 1 Tap “Function”...

  • Page 75: Main Functions

    10 Main Functions 10.1 Operation Mode 10.1.1 Mode Change After being energized, the inverter will switch among different modes as shown in the figure below. Upv is the DC input voltage of the inverter. UpvStart is the DC side startup voltage of the inverter. 10.1.2 Operation Mode Description S S t t o o p p This is the initial state of the inverter.
  • Page 76 10 Main Functions System Manual parameter are satisfied, the inverter will turn from the I I n n i i t t i i a a l l S S t t a a n n d d b b y y mode into the S S t t a a r r t t u u p p mode.

  • Page 77: Active Power Limitation

    Improper parameter configuration may affect the normal operation of the inverter! Only authorized personnel can configure these parameters. If there is any question or doubt, contact Sungrow. User can adjust the inverter active power output through the LCD display: step 1 Tap “ Function” from the default menu.

  • Page 78: Reactive Power Adjustment

    - - - - E E n n d d Improper parameter configuration may affect the normal operation of the inverter! Only authorized personnel can configure these parameters. Should any questions or doubt occur, contact Sungrow.

  • Page 79: Low Voltage Ride Through (Lvrt)

    1 1 0 0 - - 1 1 Low voltage withstand requirements Note: T1, T2, U1, and U2 are all settable parameters. Sungrow’s inverter meets the abovementioned requirements. 10.5 High Voltage Ride Through (HVRT) Technical Requirements for Connecting Photovoltaic Power Station to Power System requires that the PV plant can operate as required within certain voltage range.

  • Page 80: Mppt

    1 1 0 0 - - 2 2 High voltage withstand requirements Note: T1, T2, U1, and U2 are all settable parameters. Sungrow’s inverter meets the abovementioned requirements. 10.6 MPPT Maximum Power Point Tracking (MPPT) is a technique that the inverter uses to get the maximum power from the PV arrays.

  • Page 81: Intelligent Temperature-Control Technology

    Sungrow’s inverter is equipped with insulation resistance monitoring function to detect the system insulation resistance in real time. If low resistance is detected, it will send alarm at the first time to remind the user and prevent potential hazards.

  • Page 82: Ac Over/Under-Voltage Protection

    10 Main Functions System Manual The inverter can detect the abnormal voltage and respond quickly. 10.9.2 AC Over/under-voltage Protection When the inverter AC output voltage exceeds the permissible range, the inverter will stop feeding the grid, send warning signal, and display the fault type on the LCD screen. The inverter can detect the abnormal voltage and respond quickly.

  • Page 83: Module Over-Temperature Protection

    System Manual 10 Main Functions 10.9.7 Module Over-temperature Protection IGBT modules inside the inverter use a high-precision thermal sensor to monitor the real-time module temperature. Once high module temperature is detected, DSP will send instruction to stop the inverter. 10.9.8 Internal Over-temperature Protection The inverter is equipped with high-precision thermal sensor to monitor the internal temperature of the inverter.

  • Page 84: Troubleshooting

    If otherwise,contact Sungrow. If the components need to be replaced with products from other manufacturers or of different model on site, a prior analysis and confirmation by Sungrow is required. Failure to follow this procedure may lead to physical injury or death and void all warranty from Sungrow.

  • Page 85: Fault And Troubleshooting On The Inverter

    11 Troubleshooting If there is any questions or doubts that are not covered by this manual, contact us. With the following information provided, Sungrow shall diagnose and solve the problem more easily: Type and serial number of the inverter and internal devices •...
  • Page 86 11 Troubleshooting System Manual F F a a u u l l t t F F a a u u l l t t E E x x p p l l a a n n a a t t i i o o n n M M e e a a s s u u r r e e s s s s e e v v e e r r i i t t y y n n a a m m e e...
  • Page 87 System Manual 11 Troubleshooting F F a a u u l l t t F F a a u u l l t t E E x x p p l l a a n n a a t t i i o o n n M M e e a a s s u u r r e e s s s s e e v v e e r r i i t t y y n n a a m m e e...
  • Page 88 11 Troubleshooting System Manual F F a a u u l l t t F F a a u u l l t t E E x x p p l l a a n n a a t t i i o o n n M M e e a a s s u u r r e e s s s s e e v v e e r r i i t t y y n n a a m m e e...
  • Page 89 System Manual 11 Troubleshooting F F a a u u l l t t F F a a u u l l t t E E x x p p l l a a n n a a t t i i o o n n M M e e a a s s u u r r e e s s s s e e v v e e r r i i t t y y n n a a m m e e...
  • Page 90 11 Troubleshooting System Manual F F a a u u l l t t F F a a u u l l t t E E x x p p l l a a n n a a t t i i o o n n M M e e a a s s u u r r e e s s s s e e v v e e r r i i t t y y n n a a m m e e...
  • Page 91 System Manual 11 Troubleshooting F F a a u u l l t t F F a a u u l l t t E E x x p p l l a a n n a a t t i i o o n n M M e e a a s s u u r r e e s s s s e e v v e e r r i i t t y y n n a a m m e e...
  • Page 92 11 Troubleshooting System Manual F F a a u u l l t t F F a a u u l l t t E E x x p p l l a a n n a a t t i i o o n n M M e e a a s s u u r r e e s s s s e e v v e e r r i i t t y y n n a a m m e e...
  • Page 93 Check whether the DC fuse have blown. DC fuse- DC fuses of the abnorm- inverter are Minor If so, contact Sungrow and replace the abnormal. fuses. Branch fuses of Branch Refer to the measures for "DC fuse- the inverter are...
  • Page 94 If the fault still exists, contact Sungrow Service. If the following fault occurs, immediately contact Sungrow Service. (referred to as "- Sungrow" hereinafter). F F a a u u l l t t E E x x p p l l a a n n a a t t i i o o n n...
  • Page 95 M M e e a a s s u u r r e e s s s s e e v v e e r r i i t t y y Internal Com- Major Contact Sungrow. communication of the Failure inverter is abnormal Addresses of the...

  • Page 96: Other Fault And Troubleshooting

    Refer to the with PC. are matched. "Measures". Communicate again after replacing the converter. The monitor software is installed incorrectly. It is recommended to reinstall the software. If all the above-mentioned items are correct and this fault continues, contact Sungrow.

  • Page 97: Routine Maintenance

    12 Routine Maintenance 12.1 Safety Instructions Due to ambient temperature, humidity, dust, and vibration, the inverter and the internal components will age and wear. To ensure the system safety and maintain the efficiency of the inverter, it is necessary to carry out routine and periodic maintenance. All measures, which can help the inverter work in good conditions, are within the maintenance scope.

  • Page 98: Maintenance

    12 Routine Maintenance System Manual F F i i v v e e S S a a f f e e t t y y R R u u l l e e s s Respect the following five rules in maintaining or servicing the inverter to ensure the safety of the maintainer.
  • Page 99 Repair immediately any anomalies found during routine maintenance. If there are any doubts, contact Sungrow. M M a a i i n n t t e e n n a a n n c c e e ( ( o o n n c c e e e e v v e e r r y y t t w w o o y y e e a a r r s s ) )
  • Page 100 12 Routine Maintenance System Manual M M a a i i n n t t e e n n a a n n c c e e ( ( o o n n c c e e e e v v e e r r y y y y e e a a r r ) ) C C h h e e c c k k i i t t e e m m C C h h e e c c k k m m e e t t h h o o d d Check the following items and make corrections if...
  • Page 101 System Manual 12 Routine Maintenance C C h h e e c c k k i i t t e e m m C C h h e e c c k k m m e e t t h h o o d d Check whether grounding...

  • Page 102: Cleaning The Inverter

    12 Routine Maintenance System Manual C C h h e e c c k k i i t t e e m m C C h h e e c c k k m m e e t t h h o o d d Check whether the time displayed on the LCD is •...

  • Page 103: Cleaning The Foundation

    System Manual 12 Routine Maintenance 12.3.4 Cleaning the Foundation The foundation is designed with maintenance entry. Enter the foundation to check the cleanness periodically. Use a vacuum cleaner to clean the foundation if necessary. 12.3.5 Checking and Cleaning the Air Inlets/outlets 12.3.5.1 Air Inlets B B r r i i e e f f I I n n t t r r o o d d u u c c t t i i o o n n The air inlets are located at the top of the inverter.

  • Page 104: Cleaning The Surface Of The Inverter

    12 Routine Maintenance System Manual P P r r o o c c e e d d u u r r e e Unscrew the bolts at the bottom of the inverter, to remove the bottom plate. Remove the filter screen, clean them, and reassemble them when they are dry. Replace the filter screen if there is any damage.
  • Page 105 System Manual 12 Routine Maintenance F F i i g g u u r r e e S S t t e e p p 1. Clean the smudginess on the surface by using a rag (or other cleaning tool) with water 2.
  • Page 106 12 Routine Maintenance System Manual F F i i g g u u r r e e S S t t e e p p 1. Polish the rough paint surface or the scratched parts by abrasive paper until the surface is smooth 2.
  • Page 107 System Manual 12 Routine Maintenance Paint RAL7035 / Munsell color JN-82 N8.2 • F F i i g g u u r r e e S S t t e e p p 1. Polish the damaged parts of the paint to remove the surface rust or other roughness 2.

  • Page 108: Replacing The Electrical Components

    Obtain the model from the marking on the fuse. Contact us if otherwise. Without our confirmation, do not replace the fuse with the one from another manufacturers or of a different model. Otherwise, Sungrow shall not be responsible for any possible personal injury or property damage.
  • Page 109 System Manual 12 Routine Maintenance D D C C F F u u s s e e A A r r e e a a The DC cabinet inside the inverter is equipped with DC fuses. Before replacing the fuses, remove protective grid installed at the DC fuse area at the bottom of the DC cabinet.
  • Page 110 12 Routine Maintenance System Manual D D e e s s c c r r i i p p t t i i o o n n s s F F i i g g u u r r e e 1.

  • Page 111: Periodic Actions

    13 Periodic Actions 13.1 Opening the Inverter Door O O p p e e n n i i n n g g t t h h e e D D o o o o r r L L o o c c k k O O p p e e n n i i n n g g t t h h e e E E n n c c l l o o s s u u r r e e Insert the key.

  • Page 112: Closing The Inverter Door

    13 Periodic Actions System Manual 13.2 Closing the Inverter Door step 1 Lift the limit rod and close the cabinet door when the stud leaves the gourd hole(shown as C). It is strictly forbidden to close the door forcefully without lifting the limit rod. step 2 Lock the door lock and pull out the key.

  • Page 113: Appendix

    14 Appendix 14.1 System Parameters S S G G 2 2 5 5 0 0 0 0 H H V V - - 3 3 0 0 I I n n p p u u t t ( ( D D C C ) ) S S G G 2 2 5 5 0 0 0 0 H H V V - - 3 3 0 0 Max.
  • Page 114 14 Appendix System Manual Grid monitoring Ground fault monitoring Insulation monitoring Surge protection Q at night Optional G G e e n n e e r r a a l l D D a a t t a a Dimensions (W x H x D) 2280 x 2280 x 1600 mm Weight 3200 kg...
  • Page 115 System Manual 14 Appendix AC voltage range 510 V ~ 660 V Nominal grid frequency 50 Hz / 60 Hz Grid frequency range 45~55 Hz/ 55~65 Hz Harmonic(THD) < 3 % (at nominal power) DC current injection < 0.5 % In Power factor at nominal ＞0.99 power...
  • Page 116 14 Appendix System Manual Standard: RS485, Ethernet Communication Q at night function (optional), L/HVRT , active & reactive Grid support power control and power ramp rate control S S G G 3 3 1 1 2 2 5 5 H H V V - - 3 3 1 1 / / S S G G 3 3 1 1 2 2 5 5 H H V V - - 3 3 2 2 I I n n p p u u t t ( ( D D C C ) ) S S G G 3 3 1 1 2 2 5 5 H H V V - - 3 3 2 2 S S G G 3 3 1 1 2 2 5 5 H H V V - - 3 3 1 1...

  • Page 117: Tightening Torques

    System Manual 14 Appendix Grid monitoring Ground fault monitoring Insulation monitoring Overheat protection Optional Q at night G G e e n n e e r r a a l l D D a a t t a a Dimensions (W x H x D) 2280 x 2280 x 1600 mm 3200 kg Weight...

  • Page 118: Contact Information

    Unforeseen calamity or force majeure • The use of supplied software produced by Sungrow Power Supply Co., Ltd. is subject to the following conditions: Sungrow Power Supply Co., Ltd. assumes no liability for direct or indirect damages •...
  • Page 119 System Manual 14 Appendix China (HQ) Australia Sungrow Australia Group Pty. Ltd. Sungrow Power Supply Co., Ltd Sydney Hefei +86 551 65327834 +61 2 9922 1522 service@sungrowpower.com service@sungrowpower.com.au Brazil France SungrowDo Brasil Sungrow France – Siege Social Sao Paulo Paris +55 11 2366 1957 latam.service@sa.sungrowpower.com...
  • Page 120 14 Appendix System Manual Romania Turkey Service Partner - Elerex Sungrow Deutschland GmbH Turkey Istanbul Representative Bureau +40 241762250 Istanbul service.romania@sungrow.co +90 2127318883 service.turkey@sungrow.co U.S.A, Mexico Sungrow Power UK Ltd. Sungrow USA Corporation Milton Keynes PhoenixArizona +44 (0) 0908 414127 +1833 7476937 service.uk@sungrow.co...

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