On September 1st, 2023, high voltage test of Sunshine Pumps (Tianjin) Co., Ltd. met with success. The high-voltage design of the test-bed adopts two 8000KW high-voltage frequency converters, which can be used with voltage of 13.9KV, 10KV and 6KV respectively, reaching the highest power of 15000KW. In addition, it is equipped with two 1120KW/10KV high-voltage frequency conversion cabinets and one 4800KW/10KV high-voltage frequency conversion cabinet, as well as high-precision power measuring instruments to ensure the accuracy of measurement.