扩大单元接线方式下发电机励磁系统调差特性分析

Analysis on Characteristic of Reactive Compensation of Excitation System while Generator is Connected as Expanding Unit

阐述了发电机励磁系统中调差环节的工作原理;简单分析了并列运行发电机之间无功功率分配原理;介绍了棉花滩水电站扩大单元接线方式下发电机的运行情况,对其调差特性进行试验和分析,提出扩大单元接线方式下优化发电机励磁系统调差环节的建设性构想。

The principle of reactive compensator in excitation system of generator is presented.The reactive distribution among generators running in parallel is simply explained.Generator running state of Mianhuatan hydropower station is described.A constructive conceit for reactive compensation of excitation system is presented depending on test and analysis for characteristic of reactive compensation of excitation system while generator is connected as expanding unit.