自动按频率减负荷装置算法研*究

Arithmetic research of the devices automatically reduces load according to the frequency

电力系统发生事故出现较大的有功功率缺额引起频率下降,预算在不同有功功率缺额、系统不同条件下频率下降的程度及变电站中的自动按频率减负荷装置每级切除的负荷量,一些学者提出了较多、较复杂的计算公式.文章在对负荷的静态特性研究的基础上,提出一种新的简便计算方法,将负荷调节效应公式进行演化,用一基本公式可直接计算多种参数,更易记忆、理解和实现机算.

The occurrence accident of a electric power system appears bigger active power vacancy to cause frequency to descend, different active power vacancy and under different system condition, we can budget the degree of frequency drops and progressive excised loads of the devices automatically reducing load according to the frequency in transformer substation. Regarding this question, the more some scholars propose, the more complex formula thereare, but one new simple computational method is p based on a load static characteristic research. The adjustment effect of load is developed in this method, it can directly calculate parameters with a fundamental formula which can be easily understood and implemented.