A method of using a capacitive voltage transformer of high pressure harmonic measurement

The present invention discloses a capacitor voltage transformer having a high voltage harmonic measurement function, and the electromagnetic unit comprises a capacitive voltage divider, and further comprising a capacitor in series with a current transformer, a high voltage capacitor, and a low-voltage capacitor connected in series with the capacitor are sequentially formed a series circuit, compensation reactor, intermediate and current transformers are sequentially connected to form a series circuit. The present invention in a low pressure conventional capacitive voltage divider capacitor branch capacitor voltage transformer in series with a capacitor in series with the electromagnetic unit branches a conventional current transformer, and the voltage on the electromagnetic unit measured capacitance in series current branch, the capacitive voltage divider in conjunction with high and low pressure values ​​and capacitance values ​​of the capacitance in series, can be calculated harmonic content of the voltage of the high pressure system. The present invention can provide highly accurate measurements of high-voltage harmonic frequency while measuring the high voltage, to provide the necessary data to support the high pressure system status harmonic analysis.