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SG100KU

PV Grid-Connected Inverter
Installation Manual

SG100KU-IEN-Ver13-201308 Version：1.3

Summary of Contents for SG100KU

Page 1: ...SG100KU PV Grid Connected Inverter Installation Manual SG100KU IEN Ver13 201308 Version 1 3...

Page 2: ......

Page 3: ...provided to people who need to set up a system that includes the SG100KU grid connected inverter Installers must be qualified electricians only How to Use This Manual Read this manual and the other d...

Page 4: ...avoided will result in death or serious injury WARNING indicates a hazard with a medium level of risk which if not avoided could result in death or serious injury CAUTION indicates a hazard with a lo...

Page 5: ...and Appearance 12 3 2 Dimensions and Weight 14 3 3 The Bottom and Top Views 15 3 4 Electrical Connections Interface 16 3 5 Data Acquisition 17 3 5 1 Data Display 17 3 5 2 Fault Indication 17 3 5 3 Ser...

Page 6: ...nsport and Shipping 30 6 1 1 Attentions 30 6 1 2 Moving the Packed SG100KU 31 6 2 Field Installation 35 6 2 1 Unpacking the Unit 35 6 2 2 Place the SG100KU 36 6 2 3 Fastening the SG100KU to the floor...

Page 7: ...Optional 53 9 2 5 Voltages Check 53 9 3 Start the Inverter 53 9 4 Complete the Commissioning 54 10 Appendix 55 10 1 Technical Data 56 10 1 1 DC Parameters 56 10 1 2 AC Parameters 56 10 1 3 Mechanical...

Page 8: ...Sectional Drawing of Cable Trench 23 Fig 4 4 Installation Process of the SG100KU 26 Fig 6 1 Moving the Packed SG100KU 32 Fig 6 2 Using a Forklift to Move the SG100KU with the Wooden Pallet 33 Fig 6 3...

Page 9: ...VII Fig 7 7 Ground Cable Routing 46 Fig 7 8 Serial Communication Cable Routing 47 Fig 7 9 Serial Communication Interface Connection 47...

Page 10: ...e 24 Table 4 2 Tightening Torques for Power Cable Connections 25 Table 4 3 Installation Process Descriptions 26 Table 6 1 Symbol and Data Name on Crate 31 Table 7 1 DC Cables Recommended Sizes 38 Tabl...

Page 11: ...1 1 Safety Instructions About This Chapter This chapter describes the appropriate usage and provides some important safety instructions about SG100KU...

Page 12: ...sine waveform with the power network Fig 1 1 PV Generation System with SG100KU No Description A PV Arrays B SG100KU PV Grid Connected Inverter C Utility Grid Table 1 1 System Devices Type Device Type...

Page 13: ...tion except for maintenance or testing To avoid the risk of electric shock do not perform any action or operation which is not included in the operating instructions unless you are qualified to do so...

Page 14: ...the inverter when exposed to light which may cause an electrical shock during installation wiring or maintenance if not covered Limitation of Use The SG100KU Photovoltaic Grid Connect Inverter is not...

Page 15: ...that no tools or equipment have inadvertently been left behind Never work alone when servicing this equipment Two persons are required until the equipment is properly de energized locked out and veri...

Page 16: ...DC Main Switch The DC main switch is also the primary disconnect for the inverter The inverter s doors cannot be opened until the switch of the DC circuit is in the OFF position When the DC main swit...

Page 17: ...7 2 Delivery About This Chapter This chapter provides the scope of delivery of SG100KU nameplate and storage method...

Page 18: ...Scope of Delivery No Name Note 1 SG100KU PV Grid Connected Inverter Including key and parts for cabling 2 SG100KU Installation Manual 3 SG100KU Operation Manual 4 Warranty Card 5 Certificate of Quali...

Page 19: ...ameplates located on the back panel and inside the door as shown in Fig 2 1 Fig 2 1 Nameplate The picture is for reference only the actual item is standard No Description A SUNGROW Logo and product ty...

Page 20: ...desiccant bags in the crate z SG100KU can only be stored when it is stopped and all the doors are closed in a dry room to protect the internal circuits against dust and moisture z Routine check at le...

Page 21: ...11 3 Introduction About This Chapter This chapter provides basic information about SG100KU...

Page 22: ...generation system with a rating of 100kW The SG100KU inverter utilizes the advanced power conversion technology with the latest IGBT to convert the DC power from the photovoltaic array to stable three...

Page 23: ...oring tasks Fig 3 2 External Appearance of SG100KU No Component Name Comments A LED Indicators Power Operation and Fault B LCD and Keys Display data and perform control functions C Emergency Stop Butt...

Page 24: ...chx75inchx31inch 1015mmx1907mmx785mm W H D including the devices on the front panel The SG100KU inverter weighs approximately 1984 Ibs 900 kg Please take this large dimensions and heavy weight into co...

Page 25: ...31 5 in Fig 3 4 Bottom View of SG100KU Cooling air is fed in via the base inlet and shutters on front and rear panels The cooling air outlets are on the top of the SG100KU Cooling fans power consumpt...

Page 26: ...A B D C E Fig 3 6 Electrical Connections Interfaces of SG100KU No Name Comments A RS485 Terminals B DC Input Terminals C AC Output Terminals To 3 phase Grid through AC main breaker Leave N Vacant in...

Page 27: ...utilization of proper external adapters or modems 3 6 General Requirements 3 6 1 Grid Requirements The output of SG100KU is designed to fit the 480V 3 phase 4 wire grid system which includes L1 L2 L3...

Page 28: ...ho are familiar with the installation of the system may undertake any such work 3 6 5 Communication Requirements The basic communication interface of SG100KU is a RS485 serial communication which can...

Page 29: ...is chapter provides the PV plant system solution with optional devices from SUNGROW information about how to design the installation environment how to arrange installation procedure Read this chapter...

Page 30: ...em installation time and increase the system safety C SunBox PMD D DC Power Distribution Cabinet The AC distribution unit is a distribution and protection interface between inverter and the utility ne...

Page 31: ...he SG100KU Therefore at on site field air ducts must be installed to avoid foreign bodies entry The SG100KU should be installed in electrical service room The floor wall clearances ventilation equipme...

Page 32: ...lation site ceiling must be left enough for ventilation and maintenance otherwise maintenance personnel cannot open the top panel Fig 4 2 Clearance Space around the SG100KU 4 3 3 Cable Trench The exte...

Page 33: ...of air is required z Plenty of fresh air is available z Air is pure and without dusts classification 3S2 z Ventilation equipments are necessary e g fans blowers ventilation grilles z Exhaust fans are...

Page 34: ...es be installed on separate cable support arms Avoid long parallel runs of the two kinds of cables in order to decrease electromagnetic interference Where control cables must cross power cables make s...

Page 35: ...N m M10 301 in Ibs 34 N m 4 5 2 Cable Protections z Protection of communication cable Communication cables are thin and easily to be broken Lay power cables first then communication cables Communicat...

Page 36: ...stallation 6 Mechanical Installation Electrical Connection Open the door DC connections AC grid connections Ground connection Communication connection 7 Electrical Connection Installation Check Check...

Page 37: ...27 5 Preparations for Installation About This Chapter This chapter illustrates preparations for installation of the SG100KU including checking the unit and required tools...

Page 38: ...mages Before installation and operation check the information on the crate to verify that the delivery is of the correct type Only intact unit may be installed 5 2 Required tools The tools required fo...

Page 39: ...29 6 Mechanical Installation About This Chapter This chapter describes the mechanical installation procedure of the SG100KU...

Page 40: ...UNGROW Always keep the SG100KU upright Avoid sudden force Only the specific transport methods for SG100KU are acceptable And note the heavy weight of the equipment and the non central center of gravit...

Page 41: ...te to make an informed choice on modes of transport and installation site see Table 6 1 Table 6 1 Symbol and Data Name on Crate Symbol or Data Name Specification THIS END UP KEEP UPRIGHT FRAGILE KEEP...

Page 42: ...G100KU is using forklift see Fig 6 1 A Place the forks of the forklift to the bottom of wooden crate Elevate the SG100KU from beneath the wooden crate z The crane can be used to move the wooden crate...

Page 43: ...the SG100KU see Fig 6 2 Fig 6 2 Using a Forklift to Move the SG100KU with the Wooden Pallet z Using a forklift to move the SG100KU as following procedures see Fig 6 3 1 Remove the front and rear base...

Page 44: ...4 A Lubricant can be sprayed on the surface of the rail steels to make the movement easier z If the only available way to move the SG100KU is by crane you can order the angle irons and relevant parts...

Page 45: ...he crate s wood side and top panels 2 Remove the barrier bag material from the inverter 3 Remove the inverter s anchor hardware that bolts the inverter to the pallet Remove the front and rear base cov...

Page 46: ...re the mounting surface is level 2 Move the SG100KU into position 6 2 3 Fastening the SG100KU to Floor SG100KU must be fastened to the floor as follows 1 Remove the front and rear base covers 2 Fasten...

Page 47: ...37 7 Electrical Connection About This Chapter This chapter describes the step by step electrical connection process needed to complete the installation the SG100KU...

Page 48: ...2 1 0 M8 Bolt DC and DC Torque 16N m The AC output cables including L1 L2 and L3 must be chosen according to the recommended sizes below Table 7 2 AC Cables Recommended Sizes Cables and Bolt Requireme...

Page 49: ...he above tables users should use proper cables for different terminals with different specifications 7 2 Parts for Cabling The parts for connecting power cables are provided on the copper bases The se...

Page 50: ...Fig 7 2 Open the Main Switches 2 Press down the doorlock to release the latch handle and turn the handle clockwise Fig 7 3 Open the Latch 3 First open the left half door and then the right half door i...

Page 51: ...e cabinet via the cable entry exit holes at the bottom the SG100KU The corresponding sliding plates should be removed for wiring 1 Turn the screws in the back of the sliding plate counter clockwise 2...

Page 52: ...1 0 70mm2 DC input cables for each DC polarity are required The DC cables to be connected must be rated for a minimum of 600V Be careful not to connect the wrong DC input polarity The voltage of the...

Page 53: ...7 5 DC Input Cable Routing DC grounding is required in contract It connect DC terminal to ground copper bus by leakage current sensor before leave factory Therefore it is needed to firmly attach PE co...

Page 54: ...hout the installation process The connection terminals are located in the lower right corner of cabinet Connection process as follows 1 Ensure that the AC grid cables with no electricity 2 Route the L...

Page 55: ...SG100KU before delivery Therefore it is needed to firmly attach PE copper bar to grounding electrode The cross area of grounding cable is AWG 5 16mm2 The grid impedance must not exceed 10 If there are...

Page 56: ...Ground Cable Routing This product can cause a DC current in the external protective earthing conductor Where a residual current operated protective RCD or monitoring RCM device is used for protection...

Page 57: ...gh the cable entry holes to the RS485 A B terminals see Fig 7 8 2 Route the RS485A cable to the RS485 232 converter TX or RX 3 Route the RS485B cable to the RS485 232 converter TX or RX 4 Secure the c...

Page 58: ...the site of monitor terminal 7 9 Close the Cable Entry Exit Holes After all the electrical connections cable entry exit holes must be closed to protect interior against dirt soiling and creatures mou...

Page 59: ...49 8 Installation Checklist About This Chapter This chapter describes the items needed to verify whether your installation of the SG100KU is correct...

Page 60: ...e seal is of integrity and reliability Electrical Installation The inverter is grounded properly The polarity of PV input connections are correct The grid voltage matches the nominal output voltage of...

Page 61: ...ioning About This Chapter This chapter describes how to start the SG100KU for the first time including requirements of commissioning Inspection before start up start up procedures and completing the c...

Page 62: ...U I curve if possible 3 Record the environmental parameters temperature radiation intensity 4 Measure and record the resistance of cables if possible 9 2 2 SG100KU Check Before start up check the SG10...

Page 63: ...hould be about 480 V DC Voltage Check The DC connections are from the DC combiner boxes to the inverter The voltage on the individual DC cables should be almost the same value and must never exceed th...

Page 64: ...te the OPERATION LED on the front door and the RUN LCD will both light with the state of the LCD menu be changing to Run 8 After the SG100KU entering normal operation set the time to local time via LC...

Page 65: ...55 10 Appendix About This Chapter This chapter gives technical data of the SG100KU exclusion of liability and the way to contact us...

Page 66: ...0Vdc Start Voltage 320Vdc MPP Voltage Range 300 600Vdc Min DC Voltage 300Vdc Max DC Power 105kWp Max Input Current 340A 10 1 2 AC Parameters Parameter Specification Rated Output Power 100kW Max AC Out...

Page 67: ...ficiency 96 5 with transformer Max Efficiency 97 2 with transformer Protection Degree IP20 Indoor TYPE1 Power Consumption at Night 30W Operating Temperature 25 C 55 C 13 13 F Cooling Method Controlled...

Page 68: ...deployment location z Ignoring safety warnings and instructions contained in all documents relevant to the product z Installing or operating the product under incorrect safety or protection condition...

Page 69: ...stems The pursuit of Sungrow is to help our customers acquire stable and clean power with minimum cost maximum reliability and enhanced safety Contact Information If you have any questions about this...

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