Practical implementation of delayed signal cancellation method for phase-sequence separation

被引：222

作者：

Svensson, Jan ^{[1
]}

Bongiorno, Massimo

Sannino, Ambra

机构：

[1] ABB Power Technol, SE-72178 Vasteras, Sweden

[2] Chalmers Univ Technol, Dept Energy & Environm, Div Elect Power Engn, S-41296 Gothenburg, Sweden

[3] ABB Corp Res, Power Technol, SE-72178 Vasteras, Sweden

来源：

IEEE TRANSACTIONS ON POWER DELIVERY | 2007年 / 22卷 / 01期

关键词：

control; filter; measurement; sequence detection; unbalance; voltage-source converter;

D O I：

10.1109/TPWRD.2006.881469

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, the use of a method for online detection of positive- and negative-sequence components of three-phase quantities, named the delayed signal cancellation (DSC) method, is investigated. Problems that arise in practical implementation of the DSC method in computer-controlled systems are investigated. Expressions of the detection error due to nonideal discretization are derived and calculations are verified experimentally. Two methods for reducing the detection error are presented and verified. It is also shown that the given expressions and proposed methods for reducing the detection errors can also be applied to the case of grid frequency variations.

引用

页码：18 / 26

页数：9

共 11 条

[1] Mitigation of unbalanced voltage dips using static series compensator [J].