期刊文献+

一种新的应用于高压大容量变频器的失电跨越控制策略 被引量:6

A new control strategy of power loss ride through in MV inverters
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摘要 高压大容量变频调速系统在某些应用场合,常伴随有电源瞬间跌落或消失的工况。功率电源瞬间失电跨越,是高压大容量变频调速系统的必备功能之一。本文结合实际的高压大容量变频器的控制和保护系统设计,提出了一种新的失电跨越控制策略。文中详细分析了这种策略的原理,控制及保护逻辑,最后给出样机试验结果。 The voltage sag or instant power loss often happens in power supply system in medium voltage (MV) inverter's working environment. Frequent start MV inverter-motor system causes great harm to the normal production. As the most important function of MV inverters, a new control strategy of power loss ride through (PLRT) is investigated. Based on the brake of quickly reducing output frequency, the PLRT maintains the DC link voltage in a proper range. The principle, process and function design of PLRT are developed in this paper. The test results in a 55kW 3-level inverter show that this PLRT is an efficient and feasible key to the instant power loss.
出处 《电工电能新技术》 CSCD 北大核心 2006年第3期68-72,共5页 Advanced Technology of Electrical Engineering and Energy
关键词 高压变频器 失电跨越 变频调速系统 MV inverter power loss ride through ASD system
作者简介 张海涛(1979-),男,天津籍,博士生,主要从事电力电子与电机集成系统的应用研究; 赵争鸣(1959-),男,湖南籍,教授/博导,博士,主要从事电力电子与电机集成系统的应用研究。
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共引文献69

同被引文献25

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