摘要
功角是判断机组运行稳定的一个重要参量。提出一种在进相运行工况下,实时计算发电机功角的新方法,该方法采用发电机运行中的实时同步电抗,并综合考虑变压器、线路等外部回路参数。通过试验及实际验证该方法具有很好的精度。
Power angle is an important parameter for determining the stability of the power system. It proposes an online measurement of the electric signals such as the active power, the generator terminal voltage, the field current and the field voltage in phase lead operation. According to this measurement method, the unknown dynamic parameter （synchronous reactance） is calculated. Taking into account of the effects of the exterior reactance to the measurement of the power angle, the real time generator power angle is finally obtained. The accuracy and practicability of this method are proved by the tesrs results.
出处
《湖南电力》
2011年第5期8-11,15,共5页
Hunan Electric Power
关键词
同步发电机
进相运行
实时同步电抗
功角
synchronous generator
phase lead operation
synchronous reactance
power angle
