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Sungrow SG100K3, Installation Manual

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Sungrow SG100K3 Installation Manual Download Page 25

17 

  
 
 
 

 

 

Electrical Connection 

 

Chapter 4 describes the step-by-step procedure for the electrical 
connections of SG100K3. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for SG100K3

Page 1: ...S SG100K3 G Grid Connected Inverter Installation Manual SG100K3 3B E Ver65 200907 Version 6 5...

Page 2: ...ty instructions detailed setup information for the installation of the SG100K3 Grid Connected Inverter Target Readers The Manual is provided to people who need to set up a system that includes the SG1...

Page 3: ...lowing symbols are used in this manual Warning risk of electric shock Caution risk of danger Note Note indicates a feature that is important either for optimal and efficient system operation PROTECTIV...

Page 4: ...ce Requirements 10 2 4 4 Personnel Requirements 10 2 4 5 Communication Requirements 10 3 Mechanical Installation 12 3 1 Transport and Shipping 12 3 2 Weight and Dimensions 12 3 3 Checking the Unit 13...

Page 5: ...ication Check Optional 27 5 2 Start the Inverter 27 5 3 How to Restart the Inverter after Using the Emergency Stop Button 28 6 Appendix A Technical Data 30 6 1 DC Parameters 30 6 2 AC Parameters 30 6...

Page 6: ...3 Lift the SG100K3 15 Figure 4 1 Enclosure description 19 Figure 4 2 Open the main switches 20 Figure 4 3 Open the latch 20 Figure 4 4 Inside the SG100K3 enclosure 21 Figure 4 5 Remove the protective...

Page 7: ...List of Tables Table 4 1 DC wires recommended sizes 18 Table 4 2 AC wires recommended sizes 18 Table 4 3 Ground wires recommended sizes 18 Table 4 4 Communication wires recommended sizes 18...

Page 8: ...Safety Instructions Chapter 1 provides important safety instructions about SG100K3...

Page 9: ...during operation Please check the unit is thoroughly shut down and isolated from the public grid and PV arrays before open the front door To avoid the risk of electric shock a minimum 5 minutes is nee...

Page 10: ...ions Thoroughly inspect the equipment prior to energizing Verify that no tools or equipment have inadvertently been left behind C Caution S Service Safety Never work alone when servicing this equipmen...

Page 11: ...ened until the switch of the AC circuit breaker is in the OFF position When the AC main switch is in the OFF position all AC power is disconnected not live except the following areas The input side of...

Page 12: ...ion 3 Switch off the DC main switch turn the switch to the off position 4 Press in the handle to make it pop out from the lock hole turn it right 5 Now you can open the front door Warning S Shock Ha a...

Page 13: ...5 I Introduction Chapter 2 provides basic information about SG100K3...

Page 14: ...ting of 100KW The SG100K3 inverter utilizes the advanced power conversion technology with the latest IGBT to convert the DC power from the photovoltaic array to stable three phase AC power and then fe...

Page 15: ...7 DC EMI FILTER AC EMI FILTER 3 phase full bridge IGBT L Filter Output Transformer AC Main Contactor AC Auxiliay Contactor AC Main Breaker PE 1 Figure 2 2 Simple circuit diagram of SG100K3...

Page 16: ...nt Temperature Operating 20 to 55 C Relative Humidity To 95 Non condensing 2 2 2 AC Side Electrical Data Nominal AC Line Voltage 400 VAC 310V 450V Maximum AC Line Current 160 A at low line voltage Lin...

Page 17: ...non volatile memory and inform the fault state to the customers through LCD and LED 2 3 3 Serial Data Access All the data and fault information can be accessed by a remote computer via serial port co...

Page 18: ...zed with all the DC and AC power sources are de energized and all the power switches are secured against being switched on SG100K3 are designed with some fans for cooling and ventilation Work on the f...

Page 19: ...11 Mechanical Installation Chapter 3 describes the instructions needed for the mechanical installation of SG100K3...

Page 20: ...central center of gravity 3 2 Weight and Dimensions Note The Weight of the SG100K3 The SG100K3 inverter weighs approximately 900 Kg Please take this heavy weight into consideration during shipping an...

Page 21: ...tents of the delivery with the delivery list Please contact Sungrow immediately in case you find any visual damage or lost of the delivery components supposed to be included in the package 3 4 Storage...

Page 22: ...the SG100K3 from beneath the wooden crate Figure 3 2 Forklift lifting locations underneath pallet 3 6 Unpacking the Unit To unpack the SG100K3 from the shipping crate 1 Remove the crate s wood side an...

Page 23: ...he forklift below the unit at the points specified in Figure 3 2 2 Lift the SG100K3 from beneath the enclosure Be sure to use a forklift with a sufficiently spaced fork span Remove the pallet from und...

Page 24: ...er the inverter from underneath and through the cable entry holes Note The installation ambience requirements Installation location must be dry including no expected condensation 3 9 Clarence Space Ma...

Page 25: ...17 Electrical Connection Chapter 4 describes the step by step procedure for the electrical connections of SG100K3...

Page 26: ...t be chosen according to the recommended sizes below Table 4 2 AC wires recommended sizes Type Requirements mm2 Requirements AWG Grid phase L1 wire 70 to 85 2 0 to 3 0 Grid phase L2 wire 70 to 85 2 0...

Page 27: ...the following instructions for correct wiring 4 2 1 Open the Door The SG100K3 is stopped and latched when shipped users must open the front door of SG100K3 for wiring DC Main Switch Door Lock AC Main...

Page 28: ...main switches turn both the switches counter clockwise Turn both the switch Counter clockwise Figure 4 2 Open the main switches Step 2 Press down the doorlock to release the latch handle and turn the...

Page 29: ...gure 4 4 Inside the SG100K3 enclosure Step 4 It is necessary to take down the lower protective shield for wiring Note that there are 4 screws in the yellow circle to fix the shield loose and take down...

Page 30: ...es for each DC polarity are required to deal with the large current Caution The DC wires to be connected must be rated for a minimum of 900V Be careful not to connect the wrong DC input polarity Cauti...

Page 31: ...y to a circuit provided with 250 amperes maximum branch circuit over current protection Note When connecting external AC wires to the SG100K3 positive phasing sequence must be maintained throughout th...

Page 32: ...nverter see Figure 4 8 The cross section of the ground conduction is larger than 10mm2 The ground copper bus bar Figure 4 8 Ground wire routing Warning This product can cause a dc current in the exter...

Page 33: ...nication wire routing 4 6 2 Connect RS485 Wires to a PC through RS485 232 Converter 1 Route the RS485A wire to the RS485 232 converter TX or RX 2 Route the RS485B wire to the RS485 232 converter TX or...

Page 34: ...26 Commissioning Chapter 5 describes the verification and commissioning of SG100K3...

Page 35: ...exists on L1 L2 L3 and Neutral The value of the AC line to line voltage should be about 400 V 5 1 2 DC Connection Check The DC connections are from the DC combiner boxes to the inverter The voltage o...

Page 36: ...in the enclosure and in the LCD panel will burn the com LED indicator will flash every 2 or 3 seconds 6 If the DC voltage is below the DC voltage start point Vpv 470V then the state of the LCD interfa...

Page 37: ...29 Appendix...

Page 38: ...ters Max DC Power 110kWp MPPT DC Voltage Range 450V to 820V Max DC Voltage 880 V Max DC Current 250A 6 2 AC Parameters Nominal AC Output Power 100KW Grid Voltage 400V 310V 450V Operating Grid Frequenc...

Page 39: ...tal category Indoor conditioned Pollution Degree PD2 Wet Location No Ingress Protection IP20 Ambient Temperature 20 C 55 C Relative Humidity Non condensing 95 6 6 Features Galvanic Isolation Type Low...

Page 40: ...kind are excluded if they are caused by one or more of the following Improper or inappropriate use of the product Operating the product in an unintended environment Operating the product when ignorin...

Page 41: ...to help our customers acquire stable and clean power with minimum cost maximum reliability and enhanced safety Trademarks is a registered trademark of Sungrow Power Supply Co Ltd Notice of Copyright S...

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