接于高压母线的电动机负荷等值模型.pdf

文档介绍：第 26 卷第 6 期中国电机工程学报 Mar. 2006
2006 年 3 月 Proceedings of the CSEE ©2006 .
文章编号 0258-8013 (2006) 06-0014-05 中图分类号 TM715 文献标识码 A 学科分类号 470⋅40
接于高压母线的电动机负荷等值模型
张东霞汤涌朱方张红斌
中国电力科学研究院北京市海淀区 100085

Equivalent Model for Induction-motor Load Connected to High Voltage Bus
ZHANG Dongxia, TANG Yong , ZHU Fang, ZHANG Hongbin
China Electric Power Research Institute, Haidian District, Beijing 100085, China
ABSTRACT: In the paper, an equivalent model for an 文献[1-2]关于这一问题进行了重要的探讨其
induction motor load moved to high-voltage bus from 中文献[1]以实际工程项目为背景通过仿真计算
low-voltage bus is presented, the reactance of distribution 并通过分析电动机机械特性稳定特性与电动机参
network and reactive pensation connected to low
数的关系说明了在电动机定子电抗中直接串联配
voltage bus considered. The equivalent model has the same
mathematical equations as the original induction motor at low 电网电抗的等值方法由于增大了电动机定子电抗
voltage bus. Only by modifying the parameters and the initial 同时增加了电动机无功消耗并降低了电动机的稳定
load factor of the motor the synthetical characteristics of the 极限导致在某些情况下稳定计算结果的过于保守
induction motor load, the reactance of work and
文献[2]则持相反的观点该文献基于电动机电磁暂
reactive pensation are equivalently modeled. The
态方程说明在电动机定子电抗中直接串入配电网
research result gives a reference for selecting parameters of
induction motor load model in power system simulation. 电抗是正确的并通过仿真计算说明其结论的正确
性这 2 篇文献的侧重点在于论证是否应将配电网
KEY