100千伏安谐振直流链路逆变器与gtos设计的考虑和第一次实践经验

Conference Record of the 1992 IEEE Industry Applications Society Annual Meeting Pub Date : 1992-10-04 DOI:10.1109/IAS.1992.244324

L. Schulting

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引用次数: 3

摘要

研究了一种带无源电压钳的三相谐振直流链路逆变器(RDCLI)。逆变器采用整流三相线电压供电，额定功率为100kva。栅极关断晶闸管(GTOs)由于具有高阻断电压和负载电流而被广泛使用。讨论了gto在高开关频率下工作的一些限制条件。给出了零电压开关模式下GTO开关损耗的计算和测量结果。推导了无源单元值的计算公式。本文介绍了电流控制器的工作原理和使用RDCLI的初步实践经验

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A 100 kVA resonant DC link inverter with GTOs-design considerations and first practical experience

A three-phase resonant DC link inverter (RDCLI) with a passive voltage clamp is investigated. The inverter is fed by a rectified three-phase line voltage, and the power rating is 100 kVA. Gate turn-off thyristors (GTOs) are used because of the high blocking voltage and load currents. Some restrictions of GTOs operating at high switching frequencies are discussed. Results of calculations and measurements of the GTO switching losses in the zero voltage switching mode are presented. Equations for the calculations of the values of the passive elements are derived. The principle of the current controller and first practical experiences with the RDCLI are presented.<>

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Conference Record of the 1992 IEEE Industry Applications Society Annual Meeting

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