Synchronous closing is an intelligent control technique. It can make the moving and stationery contact-header of circuit breaker to close on the specified phase angle of the power system voltage wave.
同步关合是指断路器动、静触头在系统电压波形的指定相角处关合，以减小合闸操作的过电流和过电压的一种智能操作技术。
It introduces the principle of voltage inverter, analyzed the reason of distortion of output voltage and current wave form, as it is loaded with hysteresis synchronous motor.
本文介绍电压逆变器的原理，分析带上磁滞同步电动机这一负载后逆变器输出电压电流波形畸变的原因。
It can provide complete square wave in the transformer, which can provide a simple self-driving method for synchronous rectifier.
同时变压器上是完整的方波，可以给同步整流提供简单有效的自驱动方案。
This paper describes modern transducer-fed synchronous motor's advantages and influences of transducer harmonious wave. It may be useful for electrical engineer using for reference.
本文论述了现代凸极变频同步电动机的优势和变频电源谐波的影响。
Also, in the article provides the results of hysteresis synchronous motor performance test derived by the voltage inverter and sine-wave supply.
文中提供了电压逆变器驱动磁滞同步电动机的性能测试结果及正弦波电源驱动磁滞同步电动机的性能测试结果。
The application of GPS in the transmission line travelling wave fault location and synchronous phasor measurement is discussed in the paper. The composition and principle of GPS are also presented.
文中讨论了GPS在电力系统的输电线路故障测距、同步相量测量等方面的应用，并较详细地介绍了GPS的组成和测量原理。
The two signal sources are jointly controlled to produce a three-item square-wave pulse synchronous frequency conversion and voltage regulation signal source.
两信号源统一控制便产生三项方波脉冲同步变频调压信号源。
The way to reduce error and to keep synchronous during power wave distortion is also discussed.
同时讨论了减少误差及在电网有畸变情况下保持同步的方法。
The way to reduce error and to keep synchronous during power wave distortion is also discussed.
同时讨论了减少误差及在电网有畸变情况下保持同步的方法。
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