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- Title
Analysis and Improved Control Method of Resonant DC Link Inverters.
- Authors
Sato, Yukihiko; Matsumoto, Yasushi; Kataoka, Teruo
- Abstract
High performance power conversion requires high switching frequency power converters. Resonant dc link inverters, which are investigated in this paper, are suitable for this purpose because they cause no switching loss in principle. But in these inverters, loss of the resonant dc link inverters which can overcome these problems. First of all, we summarize the basic control principle of an ideal resonant dc link inverter. Then we present an analyzing method for the practical resonant dc link inverter introducing two equivalent circuits in which the influence of the power losses in the resonant link and in the inverter load is considered. From these equivalent circuits, the problems of existing control methods are clarified. Based on the results of this analysis, we proposed an optimum and keep the capacitor voltage at an allowable level. A simple compensation method for the influence of storage time of switching devices, which affects the implementation of the proposed control method, is described.
- Subjects
ELECTRIC inverters; ELECTRIC current converters; ENERGY storage; ELECTRIC power systems; ELECTRIC power; POWER resources; ELECTRICAL engineering
- Publication
Electrical Engineering in Japan, 1992, Vol 112, Issue 6, p122
- ISSN
0424-7760
- Publication type
Article
- DOI
10.1002/eej.4391120611