Characteristic investigation of permanent magnet actuator for vacuum contactors operating with an intrinsically safe low voltage

Shuhua Fang; Heyun Lin; Siu Lau Ho; Xianbing Wang; Ping Jin

doi:10.1007/s11431-012-4745-5

Characteristic investigation of permanent magnet actuator for vacuum contactors operating with an intrinsically safe low voltage

Shuhua Fang, Heyun Lin, Siu Lau Ho, Xianbing Wang, Ping Jin

The Hong Kong Polytechnic University

Research output: Journal article publication › Journal article › Academic research › peer-review

4 Citations (Scopus)

Abstract

This paper reports a new application of permanent magnet actuator for vacuum contactors. A novel permanent magnet (PM) actuator to drive a vacuum contactor with intrinsically safe and low supply voltage is proposed. PM is mounted on the static iron of the contactor to enhance its holding force and reliability. While only one coil is used to break the vacuum contactor, two series coils are deployed to yield a high magnetomotive force to realize the making operation. The electrical circuit equation, mechanical equation and magnetic field are all coupled in the simulation. A prototype is manufactured and tested to validate and showcase the performance of the contactor which is equipped with the proposed PM actuator.

Original language	English
Pages (from-to)	1688-1694
Number of pages	7
Journal	Science China Technological Sciences
Volume	55
Issue number	6
DOIs	https://doi.org/10.1007/s11431-012-4745-5
Publication status	Published - 1 Jun 2012

Keywords

intrinsic safety
low voltage control
permanent magnet actuator
vacuum contactor

ASJC Scopus subject areas

General Materials Science
General Engineering

More information

10.1007/s11431-012-4745-5

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title = "Characteristic investigation of permanent magnet actuator for vacuum contactors operating with an intrinsically safe low voltage",

abstract = "This paper reports a new application of permanent magnet actuator for vacuum contactors. A novel permanent magnet (PM) actuator to drive a vacuum contactor with intrinsically safe and low supply voltage is proposed. PM is mounted on the static iron of the contactor to enhance its holding force and reliability. While only one coil is used to break the vacuum contactor, two series coils are deployed to yield a high magnetomotive force to realize the making operation. The electrical circuit equation, mechanical equation and magnetic field are all coupled in the simulation. A prototype is manufactured and tested to validate and showcase the performance of the contactor which is equipped with the proposed PM actuator.",

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N2 - This paper reports a new application of permanent magnet actuator for vacuum contactors. A novel permanent magnet (PM) actuator to drive a vacuum contactor with intrinsically safe and low supply voltage is proposed. PM is mounted on the static iron of the contactor to enhance its holding force and reliability. While only one coil is used to break the vacuum contactor, two series coils are deployed to yield a high magnetomotive force to realize the making operation. The electrical circuit equation, mechanical equation and magnetic field are all coupled in the simulation. A prototype is manufactured and tested to validate and showcase the performance of the contactor which is equipped with the proposed PM actuator.

AB - This paper reports a new application of permanent magnet actuator for vacuum contactors. A novel permanent magnet (PM) actuator to drive a vacuum contactor with intrinsically safe and low supply voltage is proposed. PM is mounted on the static iron of the contactor to enhance its holding force and reliability. While only one coil is used to break the vacuum contactor, two series coils are deployed to yield a high magnetomotive force to realize the making operation. The electrical circuit equation, mechanical equation and magnetic field are all coupled in the simulation. A prototype is manufactured and tested to validate and showcase the performance of the contactor which is equipped with the proposed PM actuator.

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Characteristic investigation of permanent magnet actuator for vacuum contactors operating with an intrinsically safe low voltage

Abstract

Keywords

ASJC Scopus subject areas

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