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借助励磁系统中电压调节器的作用来抑制发电机振荡的电力系统稳定器 (PSS) ,目前国际上有 2种典型系统 ,是分别由IEEE标准及IEC标准推荐的 2种PSS ,它们原理相同 ,结构类似 ,都具有技术先进、功能齐全及运行可靠等特点。PSS的功能主要是通过其中的传感器、高频滤波器、相位补偿器及冲洗器等关键环节的特性来实现的。各关键环节的参数值设定简便 ,有经验值选择及理论计算 2种方法 ,它们互为补充可作为现场使用参考。
There are two kinds of typical PSS systems in the world, which are two kinds of PSSs recommended by IEEE standard and IEC standard respectively. They all have the same principle, The structure is similar, all with advanced technology, complete functions and reliable operation. The function of PSS is realized mainly through the key links such as the sensor, high frequency filter, phase compensator and flusher among them. The parameters of the key links set simple, there are two options for empirical selection and theoretical calculations, they complement each other can be used as a site reference.