【摘要】 给出了高压三相组合互感器的工作原理,并以三相组合互感器的电流单元为例先给出了其单相检定方法和试验结果。针对高压三相组合互感器的结构特点,提出了采用三相法模拟实际工作状态下对高压三相组合互感器进行检定,并给出了试验结果。由两种方法比较可知所所提出的三相法能准确检定出高压三相组合互感器中电压元件和电流元件实际运行中相互影响带来的误差,比单相检定方法更能真实反映高压三相组合互感器实际工作的真实误差情况。更多还原

【Abstract】 The working principle of HV three-phase combined transformer is proposed.The single-phase calibration method and three-phase calibration method of HV three-phase combined transformer are introduced.And the test methods and the test results are given.HV three-phase combined transformer can be calibrated accurately in simulating real running state with the proposed calibration method and apparatus.The test results show that the error of HV three-phase combined transformer caused by the mutual influence between the voltage elements and current elements can be measured accurately.更多还原