可変速駆動二次励磁同期機の電力増幅作用に関する考察

概要

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For the purpose of efficient utilization of existing power distribution capability and keeping the power quality, the concept of FACTS (Flexible AC Transmission System), the positive application of power electronics to the power system control is becoming more and more important. The utilization of a flywheel is one of the promising approaches for large scale electric power storage which is indispensable for active power compensation in the power system. Especially, a flywheel system using a variable speed drive doubly-fed synchronous machine is advantageous for a large scale high efficiency system. This paper clarifies the power amplifying effect of such a system. Based on the differential equations on a γ-δframe of a wound rotor type induction machine, the instantaneous and the average power flow including active and reactive ones are analyzed and studied from a view point of its physical meanings. The simulation results using a general purpose simulation software EMTDC and the experimental results of the prototype system show the validity of the analysis.
1999-01-31