Research and application of the 750 kV AC voltage vehicle test platform

摘要

In order to arrange boost resonant reactor and measuring capacitive voltage divider with their grading ring in a limited space on the 750 kV AC voltage vehicle test platform through optimizing design, the structure of the reactor sharing the grading ring with the voltage divider is designed, and the electric field distribution of the platform is simulated and calculated. Next, the test is carried out to ensure that the distributed capacitance of the test platform doesn't bring obvious influence on the measurement accuracy and the influence can be negligible. At last, the measurement system of the platform is calibrated at the national high voltage metering station. Currently, the platform has been successfully applied in a ±800 kV UHV converter station.