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SG1250UD_SG1500UD-V21-IEN-Ver12-201910

SG1250UD/SG1500UD

Outdoor Central Inverter
Installation Manual

Summary of Contents for SG1250UD

Page 1: ...SG1250UD_SG1500UD V21 IEN Ver12 201910 SG1250UD SG1500UD Outdoor Central Inverter Installation Manual...

Page 2: ......

Page 3: ...4 Warning Label Setting 5 2 2 5 Emergency Escape Route 6 2 2 6 PV Array Protection 6 2 2 7 Electrical Connection 6 2 2 8 Measuring Instrument 6 2 2 9 Voltage free Operation 7 2 2 10 ESD Protection 7 2...

Page 4: ...Routing Requirement 19 5 4 Cable Fastening and Protection 20 5 4 1 Cable Fastening 20 5 4 2 Cable Protection 20 6 Mechanical Installation 21 6 1 Transport 21 6 1 1 Precautions 21 6 1 2 Transport 22 6...

Page 5: ...36 7 11 3 Ethernet Communication Solution 39 7 12 Supply Modes 40 7 12 1 Introduction 40 7 12 2 Internal Power Supply 41 7 12 3 External Power Supply Optional 41 7 13 Closing the Cable Entrance 41 7...

Page 6: ...9 1 4 Display and Communication 48 9 2 Exclusion of Liability 48 9 3 Contact Information 48...

Page 7: ...uction Introduces the scope of delivery identification method storage method inverter structure and electrical features and principles Installation design Introduces the system configuration design in...

Page 8: ...en partially of the contents of this manual is strictly prohibited without prior written authorization of Sungrow 1 5 Symbol Explanation This manual contains important safety and operational instructi...

Page 9: ...Manual 1 About This Manual 3 Always beware of the warning symbols on the device including Symbols Explanations Risk of electric shock Hot surface Connection point for earth conductor Protective conduc...

Page 10: ...Requirements for Medium voltage Transformers An example of intended usage of the inverter is shown below A B C D E Fig 2 1 PV grid connected power generation system Item Name A PV array B Combiner bo...

Page 11: ...be familiar with the whole PV power generation system and operating principles The operators should be familiar with the Installation Manual and Operation Manual of the product The operators should be...

Page 12: ...be performed in accordance with the circuit diagram and the description in this manual Configuration of the PV arrays and technical parameters such as grid level and frequency must conform to technica...

Page 13: ...ection Moisture penetration may damage the inverter Do not open the inverter door when the relative humidity is above 95 Do not service or maintain the device in rainy or damp days 2 2 12 Disposal of...

Page 14: ...Safety Instructions Installation Manual 8 For user convenience a large number of pictures are provided in this manual These pictures are indicative only For details please refer to the actual product...

Page 15: ...16 F Bolts for AC cable connection 8 M16 45 Note The foregoing specification and quantity are based on the inverter of standard configuration and the product actually received may differ 3 2 Nameplate...

Page 16: ...storage environment should be well ventilated dry and without any poundings Ambient temperature 40 to 70 and relative humidity 0 95 without condensation Take precautions to protect the device against...

Page 17: ...r Width W Height H Depth D 2 150mm 2 120mm 850mm Weight The inverter weights about 1 900kg 4 1 2 Inverter Appearance The face and main external components of the inverter are shown in the figure below...

Page 18: ...e used to open and close the front doors of the inverter The AC DC switch is used to start stop the device only Any damages caused by operations other than described in this manual shall void warranty...

Page 19: ...de of the inverter for heat exchange shown by D 4 1 4 Cable Entry Design Bottom cable entry For standard inverter all cables come into or go out of the inverter from the bottom Cable entry positions a...

Page 20: ...to AC energy through the inverter Main circuit diagram inside the inverter is shown in the figure below by using 16 inputs as the example DC1 DC1 DC8 DC8 DC EMC filter AC filter AC EMC filter DC circ...

Page 21: ...be suitable for the weight of the inverter Specifically refer to 5 2 3 Foundation Requirements The clearances around the inverter should be suitable enough for heat dissipation further maintenance or...

Page 22: ...terials The foundation upper surface should be slightly higher than the ground surface to avoid stagnant water after rains or snow melting During foundation construction cable trenches should be reser...

Page 23: ...es It is recommended to reserve larger space if possible to ensure reliable and efficient running A B C D E Fig 5 1 Clearances around the inverter A B C D E 1 000mm 800mm 800mm 800mm 800mm These value...

Page 24: ...r during operation and excessively high temperature impairs electrical performance or even damages the device Therefore heat dissipation should be taken into consideration during installation design V...

Page 25: ...temperature may reduce power generation 5 3 Cable Routing Requirement Cables used in this system generally include power cables and communication cables The communication cable needs to be routed awa...

Page 26: ...Cable Protection The cable protection includes protection of the communication cables and power cables The protection measures include Communication cable protection The communication cable is relati...

Page 27: ...n during shipping and moving Always keep the inverter upright The inclination angle is 5 If the inclination angle is greater than 5 the inverter may tip over Since the device is heavy and big beware o...

Page 28: ...forks before starting transport The removed cover plates and screws should be properly kept The cover plates should be reassembled after mechanical installation Pallet truck Alternatively use the pall...

Page 29: ...es to ensure the device can be moved to the final installation site safely 6 2 Installation Unpack the inverter If the inverter is not to be installed immediately store it in the package with the shie...

Page 30: ...2 Inverter fastening The sequence of connecting the inverter bottom to channel steels is shown in the figure below Front Back F E D B C A C Inverter Bolt Channel steels Cable trench Item Name A Nut B...

Page 31: ...local standards Connect the inverter to the gird only after an approval is received from the local power supply company and technical persons have finished the installation Only professional electrici...

Page 32: ...is recommended to clean the cable connection terminals Do not directly touch the cleaned terminals Spare parts such as the bolts used for connecting the power cables of the inverter have been packed i...

Page 33: ...afety risk and need to be replaced immediately 7 4 4 Cable Connection Precautions Before cable connections make sure the polarities of the DC cables are correct and the connection sequences of the AC...

Page 34: ...nnection terminals are at the lower part of the inverter with specific markings Observe the markings during cable connection A B C Fig 7 1 Overview of the connection area Item Description Markings on...

Page 35: ...t least 70mm2 is connected to the grounding copper bus bar or select according to the related electrical connection and ground connection specifications Communication cable 2 0 75mm2 shielded cable re...

Page 36: ...ng and measurement meet the requirements 7 8 2 Cable Connection Area The output of the PV array can be directly input to the DC input side of the inverter via the combiner box There are 16 input circu...

Page 37: ...be more than 2 Step 4Insert the heat shrinkable tubing 1 Select an appropriate heat shrinkable tubing according to the cable specification where the heat shrinkable tubing should be 2 cm longer than t...

Page 38: ...Safety Precautions Incorrect cable connections on the AC side can cause abnormal operation or even damage to the inverter Lethal electrical shock from inadvertent touching on the live components Ensu...

Page 39: ...rter is fed into the grid via medium voltage transformer Proceed as follows to connect the AC cables to the MV transformer Step 1 Disconnect the downstream AC switches Step 2 Ensure the phase sequence...

Page 40: ...matching the cable lug with M16 45 recommended 2 Attach the cable lug to the AC copper bus bar 3 Proceed as follows to fasten the bolts by using the screwdriver or the spanner with torque of 119 140N...

Page 41: ...ts remove them immediately Otherwise poor contact or even device damage can be caused Step 7 Connect the AC output L2 cable to the L2 of the grid i e phase B V and connect the AC output L3 cable to th...

Page 42: ...ical connection and grounding connection specifications Then connect it to earth or grounding network through equipotential connection device The grounding resistance should be no more than 4 7 10 2 G...

Page 43: ...S232 RX RX TX TX 6 7 8 9 5 4 3 2 1 RS485 232 converter B A Top A1 Bottom B1 Shielding layer Fig 7 8 RS 485 communication for single inverter Multiple inverter communication There are several communica...

Page 44: ...be equipped with a Logger The monitored data will then be transferred to the general monitoring room Running data and other information on the inverter are finally uploaded to the Insight iSolarCloud...

Page 45: ...pair for communication quality RVVP 2 1 0 shielded twisted pair cable is recommended Shielding layer of RS485 cable should be single point grounded in the site of monitor terminal 7 11 3 Ethernet Comm...

Page 46: ...the Insight monitoring system or monitor the inverter remotely via the iSolarCloud 7 12 Supply Modes 7 12 1 Introduction Perform cable connections strictly according to the wiring marks on the device...

Page 47: ...use lethal electrical shock Disconnect all devices before connecting to external power supply The inverter will activate protection function to disconnect external loads from power supply in case the...

Page 48: ...rds and take corresponding measures when necessary Mechanical Installation The inverter is free of damages scratches or deformations The inverter has been fixed properly to the floor The clearance aro...

Page 49: ...fore commissioning Commission the device when it is sunny and the environmental conditions are stable to ensure the successful commissioning 8 2 Check Before Commissioning 8 2 1 Cable Connection Check...

Page 50: ...e of PV array may change with the solar radiation and the temperature of the PV cells Use the U I curve to record the PV array situation Commission the device when the PV array output situation is sta...

Page 51: ...o ON position and lock the DC cabinet door close all the 16 DC switches even if there are less than 16 DC inputs and wait about 1 minute Step 4Turn the Start Stop switch to the START position to start...

Page 52: ...D display If several inverters are commissioning at the same time operate as per inverters connect to the grid gradually During commissioning record accurately the running data of each inverter The du...

Page 53: ...phase 288Vac 414Vac settable 320Vac 460Vac settable Nominal grid frequency 50Hz 60Hz Grid frequency range 45 55Hz 55 65Hz settable THD 3 at nominal power DC current injection 0 5 nominal output curren...

Page 54: ...instructions contained in all documents relevant to the product Install or operate the product under incorrect safety or protection conditions Alter the product or supplied software without authority...

Page 55: ...rvey Digital 30 2106044212 service greece sungrow co India Sungrow India Private Limited Gurgaon 9108041201350 service in sungrowpower com Italy Sungrow Italy Milano service italy sungrow co Japan Sun...

Page 56: ...mbH Turkey Istanbul Representative Bureau Istanbul 90 2127318883 service turkey sungrow co UK Sungrow Power UK Ltd Milton Keynes 44 0 0908 414127 service uk sungrow co U S A Mexico Sungrow USA Corpora...

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