一种电压暂降改进求导变换检测算法

doi:10.3969/j.issn.1008-0198.2023.01.014

湖南电力 ›› 2023, Vol. 43 ›› Issue (1): 84-89.doi: 10.3969/j.issn.1008-0198.2023.01.014

一种电压暂降改进求导变换检测算法

彭清文, 李雨佳, 陈柏沅, 孙姜玥烨, 吕灿, 胡湘伟

国网湖南省电力有限公司长沙供电分公司,湖南长沙 410015

出版日期:2023-02-25 发布日期:2023-03-03
作者简介:彭清文(1993),男,汉族,湖南慈利人,硕士,工程师,通信作者,主要从事电力系统调度控制方面工作。李雨佳(1996),女,汉族,湖南长沙人,硕士,工程师,主要从事电力系统调度运行方面工作。陈柏沅(1995),男,汉族,湖南郴州人,硕士,工程师,主要从事电力系统调度运行方面工作。孙姜玥烨(1996),女,汉族,湖南长沙人,本科,工程师,主要从事电力系统调度运行方面工作。吕灿(1990),女,汉族,湖南益阳人,本科,工程师,主要从事电力调度系统自动化方面工作。胡湘伟(1977),女,汉族,湖南长沙人,本科,高级工程师,主要从事电力调度系统自动化方面工作。
基金资助:
国网湖南省电力有限公司科技项目(5216A12101YJ)

An Improved Derivative Transform Detection Alogorithm for Voltage Sag

PENG Qingwen, LI Yujia, CHEN Baiyuan, SUN Jiangyueye, LYU Can, HU Xiangwei

State Grid Changsha Power Supply Company, Changsha 410015, China

Online:2023-02-25 Published:2023-03-03

摘要/Abstract

摘要： 电压暂降问题往往会给高端制造业用户带来巨大损失,对电压暂降的典型特征量实现快速准确检测,是补偿和治理电压暂降的关键。治理电压暂降的关键就在于在利用少量的采样数据快速、准确地检测到电压暂降。为此在dq变换法的基础上,提出一种新型的改进求导变换法,采取不同的方法构造d、q轴电压,这种方法可以显著缩短电压暂降的检测延时,只需要2个采样点,就能够准确检测到电压相位和幅值,在工程中具有良好的使用价值。

关键词: 电压暂降, 求导变换法, 电压检测

Abstract: Voltage sag problems often bring huge losses to high-end manufacturing users, and the rapid and accurate detection of the typical characteristics of voltage sag is the key to compensating and controlling voltage sag. The key to managing voltage sags is to detect voltage sags quickly and accurately through small amounts of sampled data. In this paper, on the basis of the dq transformation method, a new type of improved derivative transformation method is proposed, which adopts different methods to construct d and q axis voltages, which can significantly reduce the detection delay of voltage sag, and only needs 2 sampling points to accurately detect the voltage phase and amplitude, which has good use value in engineering.

Key words: voltage sag, derivative variation method, voltage detection

中图分类号:

TM712.2

彭清文, 李雨佳, 陈柏沅, 孙姜玥烨, 吕灿, 胡湘伟. 一种电压暂降改进求导变换检测算法[J]. 湖南电力, 2023, 43(1): 84-89.

PENG Qingwen, LI Yujia, CHEN Baiyuan, SUN Jiangyueye, LYU Can, HU Xiangwei. An Improved Derivative Transform Detection Alogorithm for Voltage Sag[J]. Hunan Electric Power, 2023, 43(1): 84-89.

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一种电压暂降改进求导变换检测算法

An Improved Derivative Transform Detection Alogorithm for Voltage Sag

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