Aimed at the practice requirements of the performance index in the excitation power supply with dosed loop control, the robust problem of magnitude loop in this system is studied.
针对闭环激磁电源性能指标的实际需要，研究了该电源幅值回路系统的鲁棒性问题。
In this paper, a back-to-back PWM converter is considered as the optimum scheme of ac excitation power supply and its operation principle and control strategy are discussed in detail.
在分析了其他变频器的局限性后，指出了双PW M变频器是交流励磁的最佳电源方案，详细地讨论了电压型双pw M变频器的工作原理与控制策略。
It is the key point for ACEG to play good regulation performance, agility and reliability of operation that using appropriate excitation control strategy and excellent excitation power supply.
采用合适的励磁控制策略和性能优良的变频励磁电源是交流励磁发电机能够发挥其良好的调节性能、运行的灵活性及可靠性的关键。
It is suggested that the excitation transformer power be introduced as the operational power supply for the regulator, and the rotor overvoltage protection of the unit be modified.
为此，提出了防范此类事故的对策，建议引入励磁变压器电源作为调节器的工作电源，并对该机组的转子过电压保护进行改造。
Clip - gage excitation was supplied by a commercially available power supply (signal conditioner).
回形引伸计的激励电压由商售的通用电源装置(信号调制器)来提供。
The power supply quality and operating reliability and stability of synchronous generator system are influenced directly by performance and operating reliability of excitation system.
励磁系统性能的好坏和运行的可靠性，直接影响同步发电机系统的供电质量及其运行的可靠性和稳定性。
The final basic cause that resulted in the failure is no working state monitoring signal and failure warning signal of power supply source of controlled silicon excitation device.
最终查出造成机组事故的根本原因是可控硅励磁装置供电电源无工作状态监视信号及故障报警信号；
When there are bias excitation, controllable silicon failure, over current and other failures, KA5 gets absorbed and breaker loop trips by powered on so as for switching off main power supply.
KA5为跳闸报警继电器。当设备产生偏励磁、可控硅故障、过电流等故障时，KA5吸合，断路器分励线圈得电跳闸，切断主电源。
Self-excitation of induction motors caused by output LC filters of variable voltage variable frequency(VVVF) power supplies is harmful both to the motor and the power supply.
变频器LC滤波器中电容器与异步电机之间自激引起的过电压会对逆变器和电机本身产生危害。
Self-excitation of induction motors caused by output LC filters of variable voltage variable frequency(VVVF) power supplies is harmful both to the motor and the power supply.
变频器LC滤波器中电容器与异步电机之间自激引起的过电压会对逆变器和电机本身产生危害。
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