Related Manuals for Sungrow MVS3200-US
Summary of Contents for Sungrow MVS3200-US
- Page 1 System Manual MV Station MVS3200–US/MVS4480–US MVS3200–US/MVS4480–US StationSystem ManualMVS3200_ 4480-US-SEN-Ver13-202310M-H- 002782 MVS3200_4480-US-SEN-Ver13-202310...
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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 3.3.5 Power Distribution Cabinet..............15 4 Identify and Store the MV Station ..............16 4.1 Identifying the MV Station................16 4.2 Checking for Transport Damages..............16 4.3 Storage......................16 5 Mechanical Installation ..................18 5.1 Transport .....................18 5.2 Hoisting the MV Station.................19 5.2.1 Safety Precautions ................19 5.2.2 Hoisting....................20 5.2.3 Fastening of Connectors..............21 5.3 Foundation....................22...
- Page 7 7.1.1 Removing Expandable Polyethylene and Film on Product ......40 7.1.2 Removing Top Strap................40 7.1.3 Adjust Voltage Ratio via Tap Changer ...........41 7.1.4 Opening Pressure Relief Valve.............41 7.1.5 Removing Foam Part from Oil Thermometer .........41 7.1.6 Draining Oil from Transformer ..............42 7.2 Checking before Power on ................43 7.2.1 MV Station Container ................43 7.2.2 MV Switchgear..................43...
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Page 9: About This Manual
About This Manual Validity This manual is intended for the following product: • MVS3200-US • MVS4480-US This manual takes MVS4480-US as an example to briefly introduce the installation and wiring instructions of MV Station. Hereinafter it will be referred to as " MV Station" unless otherwise specified. -
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 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! Hot surface! Do not touch the hot surface of the device.
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Page 12: Safety Instructions
Safety Instructions 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. Lethal voltages are present inside the device! •... -
Page 13: Ground Fault Protection
System Manual 2 Safety Instructions The installation, electrical connection, commissioning, maintenance, and troubleshooting must be carried out by professional electrical technicians conforming to local codes. Before performing operations, operators should have read this manual completely and mastered the safety issues related to the operation. -
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: Safety Warning Signs
System Manual 2 Safety Instructions Safety Warning Signs During transport, installation, maintenance, and troubleshooting of the MV Station, keep unauthorized persons away. • Post warning signs near the MV Station upstream and downstream switches to prevent inadvertent connection. • Place necessary warning signs or barriers near the on-site operation areas. 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. -
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: External Design
3 Product Description System Manual External Design 3.2.1 Composition Description Name Including low voltage connection area, low voltage cable LV cabinet entries, etc. It can be connected to the PV grid- connected inverters. The MV transformer converts the inverter output low- MV Transformer voltage into grid-compatible medium-voltage. -
Page 19: Internal Design
System Manual 3 Product Description The Clearance Requirement The clearances around the MV Station should be sufficient for the doors to be opened . Internal Design 3.3.1 Cable Entries Top View Description Name All LV side cables connecting the MV Station enter LV side cable inlet the interior through these inlets. -
Page 20: Main Parts Of Transformer
3 Product Description System Manual Name Description Load switch Connect/disconnect the connection to the inverter Fast fusing in case of excessive current or short Fuse circuit to protect the product from damage Low voltage connection Connected to the upstream inverters area Turn off this switch before maintaining the fuse, Maintenance switch... - Page 21 System Manual 3 Product Description Figure Description Name Oil level gauge Indicate the level of stored oil in the transformer. De-energized Adjust the output voltage of the transformer. tapchanger Drain valve and Drain the oil from the transformer into a sampling valve container through a clean hose.
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Page 22: Communication Box
3 Product Description System Manual Figure Description Name The alarm threshold is 95 ℃. An alarm signal is sent if the oil temperature reaches 95 ℃. Oil temperature The tripping threshold is 100 ℃. A tripping gauge signal is sent if the oil temperature reaches 100 ℃. -
Page 23: Power Distribution Cabinet
System Manual 3 Product Description 3.3.5 Power Distribution Cabinet The exterior appearance and internal components of the cabinet are shown in figure below. The figure above is indicative only, and actual product may differ. Description Rotary switch Circuit breaker Terminal block... -
Page 24: Identify And Store The Mv Station
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 25 System Manual 4 Identify and Store the MV Station • If the MV Station has to be stored outdoors, elevate the MV Station base according to the geological and ambient conditions. • When the ambient temperature is too low, heat the MV Station internal devices. Temperature: -40°C~+70°C;...
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Page 26: Mechanical Installation
Mechanical Installation Respect all local standards and requirements during mechanical installation. Transport All devices are installed inside the MV Station before delivery. The MV Station should be transported as a whole. Transport the MV Station by a crane with sufficient load capacity. The MV Station is delivered to the user by the forwarding company. -
Page 27: Hoisting The Mv Station
System Manual 5 Mechanical Installation • Place the MV Station carefully and gently. Do not pull or push the MV Station on any surface. • The place should be firm and flat with good drainage and no obstacles or outshoots. The MV Station should be supported by the four feet. -
Page 28: Hoisting
5 Mechanical Installation System Manual figure 5-1 Hoisting the MV Station 5.2.2 Hoisting During the whole hoisting process, please observe the following rules: • Hoist the MV Station in a vertical manner. Do not drag or drop the MV Station on any surface. -
Page 29: Fastening Of Connectors
System Manual 5 Mechanical Installation figure 5-2 Hoisting from top fittings table 5-1 The Substation Hoisting Parameters Item Requirement Steel Length(L) ＞6.5 m Steel Rope Qty. 4 pieces, the load of a single steel is not less than 30T. 5.2.3 Fastening of Connectors Use slings with hooks or U-hooks to hoist the MV Station. -
Page 30: 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 31: Installation Verification
System Manual 5 Mechanical Installation Overall construction effect is shown below. The foundation plan described in this chapter is for reference only. Part source Name Foundation Not in the scope of delivery Oil tray Installation Verification • Bolts and nuts are tightened. •... -
Page 32: Clean The Oil Leakage Hole Of The Transformer
5 Mechanical Installation System Manual Sufficient maintenance space should be reserved around the equipment. Clean the oil leakage hole of the transformer Check whether there are foreign objects at the oil leaking hole (labeled A in the picture below). Clean up the oil leaking hole in time to prevent it from being blocked. -
Page 33: 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 34 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.
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Page 35: 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 36: Preparation Before Cable Connections
6 Electrical Installation System Manual Item Name Recommended specifications 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 37: Opening The Door
System Manual 6 Electrical Installation 6.3.2 Opening the Door Opening the Door Lock Opening the Enclosure Insert the key. Turn the handle counterclockwise to unlock the door. 6.3.3 Checking the Cables Check to ensure the intactness and insulation of all cables before electrical connection. -
Page 38: During Connection
6 Electrical Installation System Manual 6.3.4 During Connection • Do not pull the cables hard during connection. • Make sure there is enough wire bending space for all connection cables. • Take proper methods to reduce the stress of cables. •... -
Page 39: Side Connection
System Manual 6 Electrical Installation On site, reliably connect both or either of the two grounding points according to actual conditions.The external grounding points of the MV Station can be grounded in the following two manners: • Connect the grounding cable to the external grounding points with M10 bolts, where the recommended cable is of 50 mm to 95 mm •... - Page 40 6 Electrical Installation System Manual step 1 Make sure the upstream inverter is in the OFF position. step 2 Make sure the air circut breaker and disconnector are in the OFF position. step 3 Lead the cable into the wiring area through the inlet hole, and mark the cable polarity. step 4 Strip the protective layer of the cable to expose the copper core of the wire with strippers.
- Page 41 System Manual 6 Electrical Installation Name Name Copper bus Disc spring washer Cable lug Flat washer Bolt • If aluminum wire is selected, a copper-aluminum adapter terminal is required, as shown below: Name Name Copper bus Disc spring washer Copper-aluminum Flat washer adapter terminal Bolt...
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Page 42: Mv Side Connection
6 Electrical Installation System Manual Fasten the bolts with screwdriver or spanner. For the M12x45 bolts, the fastening torque is 60~70N.m. • Incorrect connection sequence may cause fire. Pay maximum attention to the connection sequence. • Ensure the firmness of the cable connection. Poor connection or oxidation of the surface may cause over-heating or fire. - Page 43 System Manual 6 Electrical Installation step 3 Prepare the terminals and install them tightly, where reference can be made to the installation manual of the cable connector. Both cooper-core cable and aluminium-core cable are applicable. In case of copper-core cables, use copper wiring terminals. In case of aluminium cables, use copper-to-aluminium adapter terminals.
- Page 44 6 Electrical Installation System Manual Disc spring Copper bus Cable lug Bolt(M12) Flat washer washer - - End Further Operations After completing wiring, fix the cable on the beam (not included in the scope of supply) to avoid excessive stress on the cable. Seal the bottom cable entries with fireproof mud (foaming materials), remove debris in the HV cabinet, close and lock the cabinet door.
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Page 45: Communication Connection
System Manual 6 Electrical Installation 6.4.4 Communication Connection All internal communication terminals of the MV Station have been connected to the communication box before delivery. The data of all internal devices of the MV Station is uploaded to background via the communication box. Communication Connection Area The external cable connection area is shown as A in the communication box. - Page 46 6 Electrical Installation System Manual Name Power distribution cabinet input control switch QS21 Control switch for 230Vac power supply QF10 Reserved for 480Vac power supply QF31~38 QF29 Control switch for X1 socket Control switch for 230Vac internal power supply QF11 Control switch for supply from 24Vdc power module QF12 Control switch for power supply of LV cabinet fan...
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Page 47: Checking After Electrical Connection
System Manual 6 Electrical Installation Checking after Electrical Connection Checking Item Requirement The equipment is intact, and free from rust and paint flake-off. Repaint areas with paint flake-off (if any). Equipment appearance The labels on the equipment are legible. The damaged labels must be replaced in time. Cable sheathings are properly wrapped and free from obvious Appearance of cable damage. -
Page 48: Power On The Mv Station
Power On the MV Station 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 Removing Expandable Polyethylene and Film on Product The highlighted parts of the product in the figure below are covered with expandable polyethylene (A) and films (B). -
Page 49: Adjust Voltage Ratio Via Tap Changer
System Manual 7 Power On the MV Station 7.1.3 Adjust Voltage Ratio via Tap Changer Tap changer can adjust transformer output voltage. When operating tap changer, ensure that transformer is in the no-excitation state, that is, the high and low voltage sides of transformer are not live. -
Page 50: Draining Oil From Transformer
7 Power On the MV Station System Manual After removal, re-install the protective cover. 7.1.6 Draining Oil from Transformer If the transformer is transported with a full oil tank, drain some oil from the transformer after the product is transported to the site. Device Source Clean hoses and oil tank... -
Page 51: Checking Before Power On
System Manual 7 Power On the MV Station step 5 Check the position of the oil level gauge according to the temperature-level curve according to the local ambient temperature. Stop draining when the oil in the transformer is reduced to the required level. -
Page 52: Mv Transformer
7 Power On the MV Station System Manual Checking item The conversion switch is in the remote position. The local operating switch has been padlocked. The load switch is opening and the grounding switch is closing. Remove all foreign matters in the medium-voltage ring main unit, such as tools, installation residual materials, etc. -
Page 53: Cabinet
System Manual 7 Power On the MV Station 7.2.4 LV Cabinet Checking item Disconnector are turned off. The copper bar is not deformed, and no foreign matter is on the copper bar. Measure the ground resistance of Circuit breaker in and out of the copper bar;... -
Page 54: 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 55 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.
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Page 56: 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 57: 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 58 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.
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Page 59: 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 60: Checking And Replacing Air Inlets/Outlets Of Heat Exchanger
9 Routine Maintenance System Manual 9.3.1 Checking and Replacing Air Inlets/Outlets of Heat Exchanger step 1 Remove the bolts at the four corners of the heat exchanger board. step 2 Loosen the screws at the four corners of the air inlet and outlet of the heat exchanger and remove the air inlet grid cover. - Page 61 System Manual 9 Routine Maintenance Situation 2: smudginess on the surface & damage to the finishing coat that cannot be cleaned Situation 3: the undercoat is damaged and the primer is revealed Maintenance and Operation Steps for Situation 1: Materials: •...
- Page 62 9 Routine Maintenance System Manual Figure Step 1. Polish the rough paint surface or the scratched parts by abrasive paper until the surface is smooth. 2. Clean the target parts by cleaning cloth with water or use 97% alcohol. 3. When the surface is clean and dry, paint the scratched parts of the paint by banister brush and make sure the painting is as uniform as possible Maintenance and Operation Steps for Situation 3:...
- Page 63 System Manual 9 Routine Maintenance • Cleaning cloth • Water • Alcohol • Zinc primer • Hairbrush • Paint RAL7035 / Munsell color JN-82 N8.2 Figure Step 1. Polish the damaged parts of the paint to remove the surface rust or other roughness. 2.
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Page 64: Replace The Fuse Of Lv Cabinet
9 Routine Maintenance System Manual Figure Step 3. When the surface is clean and dry, paint the base material revealed parts with zinc primer (or other local primers with the same function) for protection. The paints should cover the revealed primer completely. 4. -
Page 65: Replace Branch Fuse
System Manual 9 Routine Maintenance step 3 Close the fuse holder in the LV cabinet. - - End 9.5.2 Replace Branch Fuse Overview The fuse position of LV cabinet is shown in the figure below. Tools Name Source Ratchet wrench Torque wrench Load switch operating handle New fuse... - Page 66 9 Routine Maintenance System Manual • Open the LV cabinet door, place one side of the door limit bracket in the limit socket to realize the opening limit. • Check the fuse fault indicator through the transparent window above the fuse box to determine the fault branch.
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Page 67: Appendix
3200 kVA @ 40 ℃, 3520 kVA @ 30 ℃ AC output power Dy1 / Dy11 / YNy0 / Customized (it needs Vector group to be confirmed with Sungrow) LV / MV voltage 0.8 kV / 12.47 – 34.5 kV Maximum input current at nominal voltage... - Page 68 4480 kVA @ 40 ℃, 4928 kVA @ 30 ℃ AC output power Dy1 / Dy11 / YNy0 / Customized (it needs Vector group to be confirmed with Sungrow) LV / MV voltage 0.8 kV / 34.5 kV Maximum input current at nominal voltage...
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Page 69: Tightening Torques
System Manual 10 Appendix 6,058x2,896x2,438 mm Dimensions(WxHxD)* Approximate weight* -20 to 60 ℃ (optional: -30 to 60 ℃) Operating ambient temperature range 5kVA, 120Vac; Optional: 40 kVA (35 KVA / Auxiliary power supply 480 V, 5 KVA / 120 V) Type 3R Degree of protection Allowable relative humidity range (non-... -
Page 70: 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 arising from the use of Software. - Page 71 Sungrow Power Supply Co., Ltd. www.sungrowpower.com...
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