개방 속도를 증가하기 위한 전자석 조작기 가동부 설계 특성에 관한 연구
A Study on the Design Characteristics of the Moving Part of a Magnet Actuator to Increase the Open Speed
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초록
In this study, magnetic characteristics of two models of permanent magnet actuator applied and used in the Recloser were studied, and the new model design was verified using numerical analysis on the operation and current characteristics of the magnet actuator accordingly. Such as the Recloser require fast operation characteristics to open the fault current, so when the moving and fixed contacts of a magnet actuator with permanent magnets that generate holding force come into contact, a high holding force is required, and when it open to circuit, the magnetic force is rapidly reduced. It demands very high performance. Therefore, the speed characteristics and current characteristics of the contact points of the magnet actuator for which the design was completed were compared.
Abstract
In this study, magnetic characteristics of two models of permanent magnet actuator applied and used in the Recloser were studied, and the new model design was verified using numerical analysis on the operation and current characteristics of the magnet actuator accordingly. Such as the Recloser require fast operation characteristics to open the fault current, so when the moving and fixed contacts of a magnet actuator with permanent magnets that generate holding force come into contact, a high holding force is required, and when it open to circuit, the magnetic force is rapidly reduced. It demands very high performance. Therefore, the speed characteristics and current characteristics of the contact points of the magnet actuator for which the design was completed were compared.
참고문헌 (6)
- D. J. Cho, "Novel electromagnetic actuator using a permanent magnet and an inter-locking mechanism for a magnetic switch", IEEE Transactions on Magnetics, 49(5) (2013)
- D. J. Cho, "Novel electromagnetic actuator using a permanent magnet and an inter-locking mechanism for a magnetic switch", IEEE Transactions on Magnetics, 49(5), pp.2229~2232 (2013)
- Ma, S. H., "Research and Design of Permanent Magnetic Actuator for High Voltage Vacuum Circuit Breaker", ISDEIV. 20th International Symposium, pp.487~490 (2002)
- J. H. Kang, "Development and Characteristic Analysis of New type Actuator Electro Magnetic driven Force Actuator applicable to High Voltage Circuit Breaker", Proc. of The Fifth International Symposium on Linear Drives for Industry Application, pp.359~362 (2005)
- J. S. Ro, "Characteristic analysis and design of a novel permanent magnetic actuator for a vacuum circuit breaker", IET Electric Power Applications, 7(2), pp.87~96 (2013)
- Yundong Cao, "Design and Research on Novel Permanent Magnetic Actuator in Low Voltage and High Current Vacuum Circuit Breaker", IEEE 20th Int. Symp. on Discharges and Electrical Insulation in Vacuum, pp.471~474 (2002)