Sungrow MVS8960-LV System Manual
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Sungrow MVS8960-LV System Manual

Sungrow MVS8960-LV System Manual

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System Manual
MV Station
MVS8960–LV/MVS9000–LV
MV
MVS8960–LV/MVS9000–LV
StationSystem ManualMVS8960_
9000-LV-SEN-Ver52-202407M-D-
000833
MVS8960_9000-LV-SEN-Ver52-202407

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  • Page 1 System Manual MV Station MVS8960–LV/MVS9000–LV MVS8960–LV/MVS9000–LV StationSystem ManualMVS8960_ 9000-LV-SEN-Ver52-202407M-D- 000833 MVS8960_9000-LV-SEN-Ver52-202407...

  • Page 3: All Rights Reserved

    Software Licenses • It is prohibited to use data contained in firmware or software developed by SUNGROW, in part or in full, for commercial purposes by any means. • It is prohibited to perform reverse engineering, cracking, or any other operations that...

  • Page 5: Table Of Contents

    Contents All Rights Reserved .....................I 1 About This Manual ...................1 1.1 Validity......................1 1.2 Demonstration of the Model................1 1.3 Target_Group ....................1 1.4 How to Use This Manual .................2 1.5 Symbols Explanation ..................2 2 Safety Instructions ....................4 2.1 General Safety Rules..................4 2.2 Ground Fault Protection ..................5 2.3 Live Line Measurement...................5 2.4 Measuring Instrument ..................5 2.5 Voltage-free Operations ..................6...
  • Page 6 4.2 Identifying the MV Station................17 4.3 Checking for Transport Damages..............18 4.4 Storage......................18 5 Mechanical Installation ..................19 5.1 Transport .....................19 5.2 Hoisting the MV Station.................21 5.2.1 Safety Precautions ................21 5.2.2 Hoisting....................22 5.2.3 Fastening of Connectors..............23 5.3 Foundation....................24 5.3.1 Selection of Installation Site ..............24 5.3.2 Recommended Foundation Construction Plan........25 5.3.3 Fixing the MV Station(optional).............25 5.4 Installation Verification ..................26...
  • Page 7 6.8 PLC Communication Connection(Optional) ............46 6.9 Checking after Electrical Connection..............50 7 Powering up and Powering down ..............52 7.1 Operation before Power on................52 7.1.1 Adjusting De-energized Tap Changer ...........52 7.1.2 Opening Pressure Relief Valve.............53 7.1.3 Installing Dehydrating Breather ............53 7.1.4 Installing Surge Arrester (Optional)............55 7.1.5 Removing Foam Part from Oil Thermometer .........55 7.1.6 Oil Drain .....................56 7.2 Checking before Power on ................58...
  • Page 8 10.3 Exclusion of Liability..................79 10.4 Contact Information ..................79...

  • Page 9: About This Manual

    About This Manual Validity This manual is intended for the following product: • MVS8960-LV • MVS9000-LV Hereinafter it will be referred to as " MV Station" unless otherwise specified. Demonstration of the Model Rated power Model Devices can be connected 8960 kVA @ 40 ℃...

  • Page 10: How To Use This Manual

    All rights reserved including the pictures, symbols, and identifiers used in this manual. Any reproduction or disclosure, even partially, of the contents of this manual is strictly prohibited without prior written authorization of SUNGROW. Symbols Explanation This manual contains important safety and operational instructions that must be accurately understood and respected during the installation and maintenance of the equipment.
  • Page 11 System Manual 1 About This Manual NOTE indicates additional information, emphasized contents or tips to help you solve problems or save time. The symbols below may be found on the electrical parts of the product. Make sure to read the following symbols and fully understand them before installing the equipment. Symbol Explanation Lethal voltage inside! Do not touch!

  • Page 12: Safety Instructions

    Safety Instructions Operators must read through the manual carefully and have a good understanding of the relevant safety instructions before performing any operation on the MV Station. Observe all the safety instructions listed in this manual and the user manuals for the transformer and MV Switchgear, etc.

  • Page 13: Ground Fault Protection

    System Manual 2 Safety Instructions The locking device on the pressure relief valve must be removed before operation. refer to "" " 7.1.2 Opening Pressure Relief Valve" " ". The installation, electrical connection, commissioning, maintenance, and troubleshooting must be carried out by professional electrical technicians conforming to local codes.

  • Page 14: Voltage-Free Operations

    2 Safety Instructions System Manual • The instrumentfor measuring the electrical parameters should be a high-quality instrument with sufficient measuring range. • Make sure the connection and use of the instrument are correct to avoid arc and other dangerous situations. •...

  • Page 15: Daily Operation And Maintenance

    System Manual 2 Safety Instructions Daily Operation and Maintenance Make sure the doors of the MV Station are closed and locked during daily operation to prevent internal devices from damages caused by rain or rodents. Regularly check and maintain the MV Station and internal devices to ensure long-term and reliable operation of the MV Station.

  • Page 16: Others

    All the descriptions in this manual are for the standard MV Station. Please inform us in the purchase order if you have specific requirements. The actual product you receive may differ. This manual may not cover all possible situations. Should a specific problem not explained in this manual occur, please contact Sungrow.

  • Page 17: Product Description

    Product Description System Overview The MV Station is mainly applied to large-and-medium PV power station. The MV Station can meet the modular design and quick installation requirements of the large-and-medium PV power station and can ensure the long-term, reliable, and safe power generation compliant with the grid.

  • Page 18: Product Composition

    3 Product Description System Manual figure 3-2 PLC Communication Product Composition MVS9000-LV is taken as an example to introduce main devices inside the MV Station. The product Composition as shown in the following figure.

  • Page 19: Cable Entries

    System Manual 3 Product Description Description Name Connected to the PV grid-connected inverters LV cabinet Converts the inverter output low-voltage into grid- Transformer compatible medium-voltage MV Switchgear Grid connected protection device Supply uninterruptible power For heat dissipation Communication For communication and power distribution distribution cabinet * is optional.

  • Page 20: Internal Design

    3 Product Description System Manual Internal Design 3.4.1 LV Cabinet The LV cabinet is located at the LV room inside the MV Station. It is used to converge and transmit low voltage from the inverter to the step-up transformer, and feed it into the MV grid. Appearance The LV cabinet is located at the LV room inside the MV Station.

  • Page 21: Main Parts Of Transformer

    If the pressure relief door is severely deformed, contact the SUNGROW for replacement. Internal Structure Take MVS9000 LV cabinet as an example, internal structure shows the figure below.
  • Page 22 3 Product Description System Manual Figure Description Name when oil level of the MV transformer oil tank is Oil filling valve low, open the valve for oil filling. The valve automatically releases when the oil Pressure Relief Valve pressure inside the oil tank reaches 55kPa. The MV transformer will stop operating if the oil level falls below the lowest scale on the oil level indicator or below the oil level scale required for...

  • Page 23: Mv Switchgear

    System Manual 3 Product Description Figure Description Name Open the valve for oil drainage when the oil level is excessively high or when operations Oil drain valve such as maintenance are required. The tap changer has five tap positions: 1, 2 , 3, Tap changer 4 , 5.
  • Page 24 3 Product Description System Manual The figure above is indicative only, and actual product may differ. Discription Ethernet switch Logger4000 Load switch Fiber terminal box Circuit breaker Socket Wiring terminal block 24Vdc power supply...

  • Page 25: Identify And Store The Mv Station

    Identify and Store the MV Station Scope of Supply table 4-1 Standard deliverable list Name Document Certificate of Quality, Warranty Card, Product Test Report, System Manual keys Container door keys, LV SWG door keys M6X20 hex head bolt three combination M8X20 hex head bolt three combination Screw M10X25 hex head bolt (stainless steel)

  • Page 26: Checking For Transport Damages

    Therefore, once you receive the MV Station, a detailed inspection is necessary. If any damage is detected, contact the forwarding company or Sungrow immediately. Examine the contents of the shipment to check the scope of delivery for completeness.

  • Page 27: Mechanical Installation

    Mechanical Installation Respect all local standards and requirements during mechanical installation. During installation and operation, follow the procedure for working at heights when walking on the top of the product. Transport All devices are installed inside the MV Station before delivery. The MV Station should be transported as a whole.
  • Page 28 5 Mechanical Installation System Manual • Before transport, inspect the transport route in advance, particularly for obstructions, to ensure the vehicle can travel safely and smoothly along the route. Pre-transport route inspection should cover the following items: road conditions, height limits, actual heights, width limits, actual widths, weight limits, traffic restrictions, and potential obstructions.

  • Page 29: Hoisting The Mv Station

    System Manual 5 Mechanical Installation Hoisting the MV Station 5.2.1 Safety Precautions • Observe the safety operating rules of the crane at all times. • The hoisting work must be carried out in accordance with the hoisting requirements of the MV Station. •...

  • Page 30: Hoisting

    5 Mechanical Installation System Manual • When the MV Station has been hoisted for about 300mm away from the ground, stop to check if all the connections are still firm. After confirmation, continue hoisting the MV Station. • Lift and land the container slowly to prevent shock to the internal devices. •...

  • Page 31: Fastening Of Connectors

    System Manual 5 Mechanical Installation • When transported to the final location, the MV Station should be put down slowly and steadily. • The final location should be firm, level, and well-drained. The MV Station is supported by four bottom fittings on the ground. •...

  • Page 32: Foundation

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

  • Page 33: Recommended Foundation Construction Plan

    System Manual 5 Mechanical Installation • The ground at the installation site must be compacted enough. Relative compaction of the ground should be equal to or greater than 98%. Otherwise, take proper methods to strengthen the ground. 5.3.2 Recommended Foundation Construction Plan The following conditions must be fulfilled: •...

  • Page 34: Installation Verification

    5 Mechanical Installation System Manual Preparing Installation Tools The following tools may be used in installing the L-shape angle steel: Name Resource Beyond the scope of delivery Marker φ22 percussion drill Beyond the scope of delivery Angle steel In the scope of delivery M16×150 expansion Beyond the scope of delivery bolts...

  • Page 35: Clearance Requirement

    System Manual 5 Mechanical Installation Clearance Requirement On site, MV Station works together with the inverter. Required clearances around MV Station and the inverter are shown in the figure below(Unit in mm). * The distance illustrated in this figure is the minimum values. Sufficient maintenance space should be reserved around the equipment.
  • Page 36 5 Mechanical Installation System Manual...

  • Page 37: Electrical Installation

    Electrical Installation Safety Instructions 6.1.1 Generals Rules High voltage! Electrical hazards! • Do not touch the live components of the device. • Make sure the MV Station are voltage-free before installation. • Never put flammable materials in the vicinity of the MV Station. If a ground fault occurs in the PV system, some parts that were voltage-free before may contain lethal voltage.
  • Page 38 Strictly follow all the instructions when connecting the cables. The installation and design of the MV Station must fulfill national and local standards and regulations. Sungrow should hold no liability for the MV Station or system fault caused by ignorance of the description in this manual.

  • Page 39: Five Safety Rules

    System Manual 6 Electrical Installation Select optical fibers as the external communication cable to lower the signal interference. 6.1.2 Five Safety Rules During electrical connections and other operations on the inside device, observe the following Five Safety Rules: • Disconnect all the external connections and disconnect the MV Station internal power supply •...

  • Page 40: Preparation Before Cable Connections

    6 Electrical Installation System Manual Item Name Recommended specifications — Power distribution port — Communication port — Grounding point Preparation before Cable Connections 6.3.1 Installation Tools Installation tools include but are not limited to the following recommended ones, and other auxiliary tools or components can be used on site when necessary.

  • Page 41: Checking The Cables

    System Manual 6 Electrical Installation 6.3.3 Checking the Cables Check to ensure the intactness and insulation of all cables before electrical connection. Poor insulation or damages in the cables may cause hazards. Replace them if necessary. 6.3.4 During Connection • Do not pull the cables hard during connection.
  • Page 42 6 Electrical Installation System Manual External Grounding For ease of onsite cable connection, two grounding points are designed at the exterior of the MV Station. The external grounding points of the MV Station can be grounded in the following two manners: •...

  • Page 43: Connection

    System Manual 6 Electrical Installation The MV Station needs to be grounded on site. The following operations should also be conducted on site: Measure the electrical conductivity between the device ground terminals and the total equipotential connection copper bar to ensure the effectiveness of the internal ground connection.
  • Page 44 6 Electrical Installation System Manual figure 6-3 Single splicing cables table 6-2 Requirements Cable specifications Cable outer diameter Name Single core cable ≤ 35 mm Maximum 400mm Three-core cable Maximum 3×400mm 50 mm to 78.5 mm figure 6-4 Double splicing cables table 6-3 Requirements Cable specifications Name...
  • Page 45 System Manual 6 Electrical Installation figure 6-5 Single splicing cable wiring distance The following figure (1) shows the spacing between adjacent branches after double splicing cable wiring, and the requirement for three-phase spacing is shown in figure (2). figure 6-6 Double splicing cable wiring distance Wiring specifications 1–...
  • Page 46 6 Electrical Installation System Manual Name Wiring copper bar Low voltage incoming line sealing plate Tower type protective coil Cable clamp Single core cable Container base Single core double splicing cable U-shaped cable clamp Three core cable Three core double splicing cable •...

  • Page 47: Wiring Step

    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. •...
  • Page 48 6 Electrical Installation System Manual Step 6 Connect the cable. Select bolts matching with the cable lug. Attach the cable lug to the connection copper bar. • If copper wires are used, connect the spare parts as described below: figure 6-7 Single Side Copper Wire Connection Name Name Copper bus...

  • Page 49: Secure Cables

    System Manual 6 Electrical Installation figure 6-9 Single Side Aluminum Wire Connection Name Name Copper bus M12 Spring washer Copper-aluminum M12 Flat washer adapter terminal M12×40 Bolt M12 Nut figure 6-10 Double Side Aluminum Wire Connection Name Name Copper bus M12 Spring washer Copper-aluminum M12 Flat washer...

  • Page 50: Mv Side Connection

    6 Electrical Installation System Manual • Secure the single-core cable • Secure the multi-core cable Using fireproof materials to seal the bottom cable entry hole, remove the debris inside the cabinet, and restore the cabinet cover. MV Side Connection 6.6.1 Inspection Before Wiring Terminals connecting the external devices on the MV side of the MV Station are located on the MV switchgear.

  • Page 51: Securing Mv Cable

    System Manual 6 Electrical Installation Step 2 Prepare the terminals and install them tightly, where reference can be made to the cable connector installation manual. The wiring terminal can be connected with either copper cable or aluminium cable. • In case of copper cable, use copper wiring terminals. •...
  • Page 52 6 Electrical Installation System Manual figure 6-11 Securing single-core cables Three-core cable If a three-core cable is used: • Inside switchgear: The phase B cable must be secured with a cable clip. • Switchgear base: Add a cable clip under the three-branch breakout boot to secure it. Rubber or other insulating materials can be used to fill the gap to enhance friction.

  • Page 53: Communication Distribution Panel Connection

    System Manual 6 Electrical Installation figure 6-12 Securing a three-core cable * The switchgear in the figures are for reference only and may differ from the real product. Communication Distribution Panel Connection he communication and distribution area is shown in the following figure. Connect cables according to on-site requirements.

  • Page 54: Plc Communication Connection(Optional)

    6 Electrical Installation System Manual Description Reserved for 400Vac power supply QF19 Reserved for 400Vac power supply QF20 Reserved for 230Vac power supply QF21- QF26 Reserved fiber optic wiring port Socket Reserve RS485 communication Reserve 24Vdc power supply Wiring diagram The wiring diagram of external power supply is shown in the figure below.
  • Page 55 System Manual 6 Electrical Installation figure 6-13 PLC wiring diagram Description of parameters in the diagrams is listed in the table below. table 6-4 Description Cable Specification Parameter • If using multicore AC cable, the length should be ≤990m. Length of PLC cable •...
  • Page 56 6 Electrical Installation System Manual • For three-phase single-core cables, they should be fixed every 1 meter and arranged in a "triangular" shape. In this scenario, the cables are not easily bent. It is recommended to tie them separately at positions 10cm before and after the bend. •...
  • Page 57 System Manual 6 Electrical Installation figure 6-14 Parallel-pair cables layout PLC cable installation requirements • The distance between low-voltage AC cables and medium-voltage AC cables should meet the following requirements: – Maintain a minimum horizontal distance of 0.5m between low-voltage AC cables and medium-voltage AC cables when laid parallel.

  • Page 58: Checking After Electrical Connection

    6 Electrical Installation System Manual • Only AC cables under the same box-type transformer can be laid in the same cable trench. • When using different box-type transformers, the distance between the low-voltage side cable trays should meet the following requirements: –...
  • Page 59 System Manual 6 Electrical Installation Checking Item Requirement Cables are connected in the designed positions. Terminals are prepared as required and securely connected. Cable connection Labels on both ends of each cable are clear and specific, and attached in the same direction. Power cables and communication cables must be routed separately.

  • Page 60: Powering Up And Powering Down

    Powering up and Powering down The operations described in this chapter must be performed by professional personnel in accordance with local regulations/standards. Operation before Power on 7.1.1 Adjusting De-energized Tap Changer Adjust the output voltage of the transformer. When operating the de-energized tap changer, ensure that the transformer is in a non-excitation state, that is, the high and low voltage sides of the transformer are uncharged.

  • Page 61: Opening Pressure Relief Valve

    System Manual 7 Powering up and Powering down 7.1.2 Opening Pressure Relief Valve There are two methods to unlock the pressure relief valve. Remove the Locking Device Open the cap A 7.1.3 Installing Dehydrating Breather Step 1 Remove the flange cover at the mounting position for dehydrating breather.
  • Page 62 7 Powering up and Powering down System Manual Step 2 Fix the dehydrating breather. There is a sealing gasket between the flange cover and the dehydrating breather. When tightening the bolts, make sure that the height of the gasket shrinks by 1/4. figure 7-1 Fit the Dehydrating Breather Step 3 Remove the oil cup from the dehydrating breather.

  • Page 63: Installing Surge Arrester (Optional)

    System Manual 7 Powering up and Powering down 7.1.4 Installing Surge Arrester (Optional) The instructions below are provided with the surge arrester of the 36kV MV switchgear as an example. For detailed installation instructions, see the installation guide that comes with the surge arrester.

  • Page 64: Oil Drain

    7 Powering up and Powering down System Manual 7.1.6 Oil Drain Location The oil drain valve is located at the bottom of transformer, the size of the oil drain valve varies by the transformer manufacturers. figure 7-3 MINGYANG figure 7-4 Eaglerise figure 7-5 HUAPENG * The figure is for reference only.
  • Page 65 System Manual 7 Powering up and Powering down Name Source 300mmx38mm adjustable spanner Drain hose connector Pipe clip *The oil tank capacity of the transformer must be greater than Nx200L, where N is determined according to the amount of the oil needed to be released. Operations Step 1 Remove cover plate of drain valve.

  • Page 66: Checking Before Power On

    7 Powering up and Powering down System Manual Checking before Power on 7.2.1 MV Station Container The installation conforms to the design requirements. The container is level, and each door can be opened properly. There is no crack, dent, or scratch on the container surface. Repaint areas with paint flake-off (if any).

  • Page 67: Cabinet

    System Manual 7 Powering up and Powering down The tap changer is set according to the requirements of the user. If there is no special requirement, set it to the rated level (level 3). i. When setting the level, open the handle. After adjusting the level, close the handle to the slot.

  • Page 68: Powering Up Steps

    7 Powering up and Powering down System Manual Powering Up Steps When powering up the MVS, follow the rule of "MV before LV, AC before DC". Check and confirm that the inverter is not started. Step 1 Switch on the grid-side switchgear. Step 2 Turn on the circuit breaker of the MV switchgear V cabinet of the MV Station.
  • Page 69 System Manual 7 Powering up and Powering down Step 7 Switch off the grid-side switchgear. - - End MV Station completes the power outage operation. If the equipment is equipped with a UPS cabinet, power off the UPS cabinet. After the MV Station is shut down, wait at least 5 minutes before performing maintenance on it.

  • Page 70: Troubleshooting

    2. The pressure relief valve is faulty. is too large, resulting in damage to the film, contact Sungrow Power Co., Ltd. for replacement. 3. Improper oiling operation before servicing or installing the 3.
  • Page 71 System Manual 8 Troubleshooting Fault Possible Reason Measures 1. Transformer overload operation. 1. Check if the transformer is Overload operation may result in a overloaded. high oil temperature alarm. 2. Check the transformer heat 2. The heat dissipation channel is temperature dissipation channel for foreign blocked.

  • Page 72: Routine Maintenance

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

  • Page 73: Maintenance

    System Manual 9 Routine Maintenance Safety Rules Respect the following five rules in maintaining or servicing the MV Station to ensure the safety of the maintainer. • Avoid any accidental re-connections. • Verify that no voltage or current is present with appropriate measurement instrument. •...
  • Page 74 9 Routine Maintenance System Manual Check Item Check Method Check whether power cables and control cables are damaged and whether the cable exterior in contact with the metallic surface is scratched. Check whether the insulation binding tapes on the wiring terminals of power cables are flaked.

  • Page 75: Checking And Cleaning The Filter

    Make sure all bolts are securely fixed. Repair immediately any anomalies found during routine maintenance. If there are any doubts, contact Sungrow. Checking and Cleaning the Filter It is recommended to clean the filter every six months to one year. If the product works in harsh environments, such as desert areas, the maintenance cycle should be shortened to three months.

  • Page 76: Checking And Cleaning The Air Inlets

    Do not pull hard during cleaning and replacing of the filter cotton and filter screen. The cotton and the screen may be damaged if otherwise. Contact Sungrow to order the filter. You can cut proper filters out of the larger filter.

  • Page 77: Checking And Cleaning Air Inlets Of The Heat Exchanger

    System Manual 9 Routine Maintenance 9.3.2 Checking and Cleaning Air inlets of the Heat Exchanger Step 1 Loosen the air inlet screws of the heat exchanger and remove the air inlet grid cover. Step 2 Take out the filter cotton and clean it. Step 3 Reinstall the filter.

  • Page 78: Erasable Traces

    9 Routine Maintenance System Manual • Check whether the protective paint sprayed on the casing of the product fell off or peeled off. If so, repair it timely. • Spray a special protective paint to the exterior of the product every 5 years. 9.5.1 Erasable Traces Tools Name...

  • Page 79: Broken Primer

    System Manual 9 Routine Maintenance Step 3 Perform paint repair for the scratched parts with a soft brush after the surface is dried; brush the paint as uniform as possible. - - End 9.5.3 Broken Primer Tools Name Source Abrasive paper Cleaning cloth Water Beyond the scope of supply...

  • Page 80: Replace The Fuse Of Lv Cabinet

    9 Routine Maintenance System Manual Step 4 Perform paint repair for the damaged parts with a soft brush after the primer is dried, and brush the paint uniformly. - - End Replace the Fuse of LV Cabinet Overview The fuse position of LV cabinet is shown in the figure below. Tools Name Source...

  • Page 81: Replace The Fans Of Lv Cabinet

    System Manual 9 Routine Maintenance Check and ensure that the MV Station has been shut down and disconnected from all connected inverters. • Check and confirm safety helmet, insulating shoes, working clothes and insulating gloves have been worn. • Open the LV cabinet door, place one side of the door limit bracket in the limit socket to realize the opening limit.
  • Page 82 9 Routine Maintenance System Manual Replace the upper centrifugal fan Open the front door of the LV cabinet, unscrew the eight M5 fixing bolts on the air baffle, and take down the air baffle. Unscrew the four M5 fixing bolts on the fan. Disconnect the wiring terminals, and take out the fan.
  • Page 83 System Manual 9 Routine Maintenance Replace the lower disturbed flow fan Unscrew the twelve M5 fixing bolts on the back panel of the lv cabinet and remove the back panel. Unscrew the four M5 fixing bolts on the fan and disconnect the wiring terminals. Unscrew the fixing bolts of the fan mesh cover and take out the fan.

  • Page 84: Appendix

    10 Appendix 10.1 Technical Parameters MVS8960–LV Transformer Transformer type Oil immersed Rated power 8960 kVA @ 40 ℃ Max. power 9856 kVA @ 30 ℃ Dy11y11 Vector group LV / MV voltage 0.8-0.8 kV / 20 – 35 kV Maximum input current at nominal voltage 3557 A * 2 Frequency 50 Hz / 60 Hz...
  • Page 85 System Manual 10 Appendix General Data Dimensions(WxHxD) 6,058x2,896x2,438 mm Approximate weight 24 T -20 ℃ to 60 ℃ (optional: -30 ℃ to 60 ℃) Operating ambient temperature range Auxiliary power supply 5 kVA / 400 V (optional: max. 40 kVA) Degree of protection IP54 Allowable relative humidity range (non-...

  • Page 86: Tightening Torques

    10 Appendix System Manual Disconnector specification 260 A / 800 Vac / 3P, 30 pcs 350 A / 800 Vac / 1P, 90 pcs Fuse specification Protection AC input protection FUSE+Disconnector Transformer protection Oil-temperature, oil-level, oil-pressure Relay protection 50 / 51,50N / 51N LV overvoltage protection AC Type II (optional: AC Type I + II) General Data...

  • Page 87: Exclusion Of Liability

    • 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 aris- ing from the use of Software.
  • Page 88 Sungrow Power Supply Co., Ltd. www.sungrowpower.com...

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