同步电动机励磁电流计算与用电系统功率因数提高  

Excitation current calculation of synchronous motors and power factor improvement of power system

作　　者：赵利[1] 

机构地区：[1]山西大同大学电气工程系,山西大同037003

出　　处：《河北工业科技》2011年第1期26-29,共4页Hebei Journal of Industrial Science and Technology

摘　　要：同步电动机励磁电流大小分析计算是同步电动机运行中非常重要的一个问题。首先对控制调节励磁电流的必要性和可能性进行详实说明,然后巧妙利用同步电动机和直流电动机的共性问题,得出同步电动机励磁电流的计算方法。励磁电流的初步求得,不仅可以改善供电系统性能,也为用户正确、有效使用同步电动机提供理论依据,对企业降低经营成本、节能降耗具有重要的现实意义。It is a very important issue to calculate field exciting current for synchronous motors.The necessity and possibility to adjust exciting current is introduced in detail,then the method is put forward to calculate exciting current according to the shared property of DC motors and synchronous motors.With exciting current obtained,we can not only improve the performance of power system,but also provide a theoretical basis for users to use synchronous motors correctly and effectively.It also has important practical significance for enterprises to reduce operating costs and energy consumption.

关 键 词：功率因数 同步电动机 励磁电流 计算 低碳经济 

分 类 号：TM341[电气工程—电机]