Quarterly Report of RTRI
Online ISSN : 1880-1765
Print ISSN : 0033-9008
ISSN-L : 0033-9008
PAPERS
Neutral Point Bias Control Method for Large Capacity Inverter
Shigeo KAGAIkuo KAWAGUCHIAkinobu OKUIJun-ichi KITANO
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2000 Volume 41 Issue 2 Pages 52-56

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Abstract

A superconducting magnetic levitation system for high speed and mass transportation is being developed in Japan. Various types of running tests have already been carried out on the Yamanashi Maglev Test Line. We developed a large capacity Pulse Width Modulation (PWM) inverter as a power conversion system to drive Linear Synchronous Motors (LSM). To reduce the capacity required for the power conversion system, we installed a neutral point bias control system in the inverter for driving the LSM at the Yamanashi Maglev Test Line. This paper describes the results.

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© 2000 by Railway Technical Research Institute
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