NDLI: Analysis and design of a high-speed permanent magnet characteristic actuator using eddy current effect for high-voltage vacuum circuit breaker

Content Provider	IET Digital Library
Author	Fang, Shuhua Xia, Miao Lin, Heyun Ho, Siulau
Abstract	This study proposes a high-speed permanent magnet actuator (HSPMA) for high-voltage vacuum circuit breaker (VCB). The HSPMA comprises mainly of an eddy current repulsion force actuator and a permanent magnet (PM) actuator. The structural saliency of HSPMA is described and its control principle is elaborated in details. Finite element method is used and the eddy current is included in the computation of the electro-magnet fields of the HSPMA. The system equations, which couples the magnet field to circuit and mechanical equations, are built in ANSOFT Maxwell and Circuit Editor in this study of the making and breaking procedures of the HSPMA. The simulated characteristics show the design meets the requirement of the high-voltage VCB. The optimal thickness of the eddy current plate is 10 mm. The capacitor also has an economic optimal value of 10,000 µF. The simulated results indicate that the HSPMA has a sound characteristic when compared with circuit breakers with only PM actuator.
Starting Page	268
Ending Page	275
Page Count	8
ISSN	17518660
Volume Number	10
e-ISSN	17518679
Issue Number	Issue 4, Apr (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-epa/10/4
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-epa.2015.0348
Journal	IET Electric Power Applications
Publisher Date	2016-04-01
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	ANSOFT Maxwell And Circuit Editor Capacitance 10000 MuF Circuit Equation Control Gear And Apparatus Eddy Current Effect Eddy Current Plate Eddy Current Repulsion Force Actuator Electromagnet Field Computation Finite Element Analysis Finite Element Method High-speed Permanent Magnet Characteristic Actuator Analysis High-speed Permanent Magnet Characteristic Actuator Design High-voltage Vacuum Circuit Breaker High-voltage VCB Design HSPMA Breaking Procedure HSPMA Structural Saliency Magnetic Actuators Mechanical Equation Other Final Control Equipment Permanent Magnet Actuator PM Actuator Size 10 Mm Sound Characteristic Switch Vacuum Circuit Breaker
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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