航空同步发电机用零功率因数负载特性和空载特性所测得的波梯电抗数值比正常值大，致使在电机分析和计算中无法使用。
The value of Potier reactance of aircraft synchronous generator is larger than regular one in the tests of the inductance load and no load operating characteristics.
实验证明，采用新型PWM控制的整流器功率因数近似为1，且可大大减小平波电抗器的电感器。
The experiment shows power factor of the rectifier is approximate to 1 and the inductance of the DC filter is decreased greatly by applying the new PWM control method.
然后阐述了可控电抗器恒功率因数控制的无功补偿原理和实现方法，并进行了无功补偿实验。
The reactive power compensation principle and method of constant power factor control are studied theoretically . and experimentally.
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