Aimed at the practice requirements of the performance index in the excitationpowersupply 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。
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In this paper, a back-to-back PWM converter is considered as the optimum scheme of ac excitationpowersupply and its operation principle and control strategy are discussed in detail.
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 excitationpowersupply.