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Date of Publication:2010-01-01

Journal:中国电机工程学报

Volume:30

Issue:36

Page Number:22-26

ISSN No.:0258-8013

Abstract:The phase-control switching technology of circuit breakers, which
   provides an important technical approach for smart grid construction,
   can effectively mitigate the transient caused by switching operations in
   power systems. The key technology of phase selections with vacuum
   switches is to control the operating characteristic of permanent
   magnetic actuators in vacuum switches,so as to realize a stable
   operating time for vacuum switches under different environmental
   conditions. This paper proposed a new type of control-driven program for
   vacuum switches with permanent magnetic actuators using the fuzzy
   self-adaptive PID control technology. And the design of this new type of
   control-driven system for permanent magnetic actuators in vacuum
   switches was accomplished based on the TMS320LF2407A processor.
   According to the experimental results, the system can keep the switching
   time error within 0.25ms under different environmental conditions

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