发电机无补偿相频特性测量理论与实践Theory and Practice of Uncompensated Phase-frequency Characteristics Measurement of Generator
吴龙,孙祥祥,施一峰
WU Long,SUN Xiangxiang,SHI Yifeng
摘要(Abstract):
基于发电机电气相量图与Philips-Heffron模型,分析发电机-无穷大电网系统中发电机励磁调节电压和暂态电势闭环控制差异性特征,推导出计算电压和暂态电势闭环无补偿相频特性的传递函数解析式,并结合实例计算分析电压闭环无补偿相频特性与暂态电势闭环无补偿相频特性差异的影响因子,给出实测无补偿相频特性工程化建议。
Based on the electrical phasor diagram and Philips-Heffron model of generator, the different characteristics of generator excitation regulation voltage and transient potential closed-loop control in the generator-infinite grid are analyzed, and the transfer function analytical formula for calculating the uncompensated phase-frequency characteristics of voltage and transient potential closed-loop is derived. The uncompensated phase-frequency characteristics of voltage closed-loop and the influencing factors of the uncompensated phasefrequency characteristics difference are analyzed, and engineering-oriented suggestions of the measured uncompensated phase-frequency characteristics are given.
关键词(KeyWords):
发电机;暂态电势闭环相频特性;电压闭环相频特性;无阻尼振荡
generator;phase-frequency characteristics of transient potential closed-loop;phase-frequency characteristics of voltage closed-loop;undamped oscillation
基金项目(Foundation):
作者(Author):
吴龙,孙祥祥,施一峰
WU Long,SUN Xiangxiang,SHI Yifeng
DOI: 10.19585/j.zjdl.202008002
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