进口柴油发电机组带特殊负载频率和有功功率的振荡及其解决方法

Import diesel generator frequency,positive-power oscillation on special load and settle method

分析一台400kW柴油发电机组带4×80kVAUPS负荷,引起机组频率和有功功率振荡的原因,提出降低系统速度闭环放大倍数、消除振荡,用增给定方法克服系统速度偏差。保证柴油发电机组带特殊负荷能够稳定、可靠的运行。

The 400kW diesel generator frequency,positive-power oscillation on 4×80kVA UPS load is analyzed.The methods of decrease speed loop amplitude for overcoming oscillation and increase setting for overcoming system speed deviation are introduced. It can ensure that diesel generator has been operated steadily and reliably.