电压继电器动作特性测试仪的研究

Research on Voltage Relay Action Characteristic Tester

本文根据电压继电器动作特性的测试要求，利用数字波形合成技术实现了一个周期内采样３６００点的合成正弦波，其幅值、频率、相位均可调，可在取消输出变压器的情况下，采用电压功率放大器直接推挽放大输出０～７０Ｖ交流电压值。

In this paper according to the testing requirement of voltage relay action characteristic a synthetical sine wave of sampled 3600points in a period is produced by using digital synthtical technology The amplitude frequency and phase can be adjusted With cancelling output transformer the park voltages in the range of 0-70V are obtained by directly push-pull amplifying.