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SG1000HV developed by Sungrow is a new product launched by Sungrow in April this year, rated AC power of 1000kW, DC voltage up to 1500V, is currently the highest voltage level of photovoltaic inverter in China, the photovoltaic system can greatly reduce line loss, save cable equipment and installation costs, improve power generation, representing the future development direction
of the photovoltaic industry.
Recently, SG1000HV centralized inverter successfully passed the certification test of China Electric Power Technology Institute GB/T 19964-2012 "Technical Regulations for Photovoltaic Power Station Access to Power System", and fully meets the requirements of national standards in terms of low voltage ride-through (zero voltage ride-through), frequency adaptability, and power quality, becoming the first 1500V voltage level photovoltaic inverter
in China to pass the certification test.
According to the GB/T 19964-2012 national standard, the test results of SG1000HV by the China Electric Power Research Institute show that the SG1000HV inverter test unit has successfully completed the low-voltage ride-through (LVRT) test (including zero-voltage ride-through) under three-relative fault and asymmetric fault conditions, and can be continuously connected to the grid during the voltage drop and recovery period at all test points; During various fault conditions, the detected unit can quickly respond to output reactive power in accordance with the requirements of the national standard, effectively supporting the restoration of the power grid and ensuring the stability of the power grid; In the grid frequency disturbance test, the test unit can follow the frequency disturbance signal for corresponding correct actions, with very good frequency adaptability, and meet the requirements
of grid connection.
At the same time, in the power quality harmonic test, the harmonic magnitude of the tested inverter unit is better than the index
specified in the standard.
It is reported that the use of 1500V system voltage can make each string connect more components, reduce the number of DC cables and combiner box inverters used in photovoltaic inverters, and reduce line losses can also fully improve the output power and further improve power generation efficiency
.
According to industry insiders, in the future, with the continuous improvement and improvement of standards and technologies, the continuous maturity of 1500V modules, 1500V photovoltaic systems will surely become the mainstream
.
SG1000HV developed by Sungrow is a new product launched by Sungrow in April this year, rated AC power of 1000kW, DC voltage up to 1500V, is currently the highest voltage level of photovoltaic inverter in China, the photovoltaic system can greatly reduce line loss, save cable equipment and installation costs, improve power generation, representing the future development direction
of the photovoltaic industry.
Recently, SG1000HV centralized inverter successfully passed the certification test of China Electric Power Technology Institute GB/T 19964-2012 "Technical Regulations for Photovoltaic Power Station Access to Power System", and fully meets the requirements of national standards in terms of low voltage ride-through (zero voltage ride-through), frequency adaptability, and power quality, becoming the first 1500V voltage level photovoltaic inverter
in China to pass the certification test.
According to the GB/T 19964-2012 national standard, the test results of SG1000HV by the China Electric Power Research Institute show that the SG1000HV inverter test unit has successfully completed the low-voltage ride-through (LVRT) test (including zero-voltage ride-through) under three-relative fault and asymmetric fault conditions, and can be continuously connected to the grid during the voltage drop and recovery period at all test points; During various fault conditions, the detected unit can quickly respond to output reactive power in accordance with the requirements of the national standard, effectively supporting the restoration of the power grid and ensuring the stability of the power grid; In the grid frequency disturbance test, the test unit can follow the frequency disturbance signal for corresponding correct actions, with very good frequency adaptability, and meet the requirements
of grid connection.
At the same time, in the power quality harmonic test, the harmonic magnitude of the tested inverter unit is better than the index
specified in the standard.
It is reported that the use of 1500V system voltage can make each string connect more components, reduce the number of DC cables and combiner box inverters used in photovoltaic inverters, and reduce line losses can also fully improve the output power and further improve power generation efficiency
.
According to industry insiders, in the future, with the continuous improvement and improvement of standards and technologies, the continuous maturity of 1500V modules, 1500V photovoltaic systems will surely become the mainstream
.
