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Three-phase Making Test Method for Common Type Circuit Breaker
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 Title & Authors
Three-phase Making Test Method for Common Type Circuit Breaker
Ryu, Jung-Hyeon; Choi, Ike-Sun; Kim, Kern-Joong;
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 Abstract
The synthetic short-circuit making test to adequately stress the circuit breaker has been specified as the mandatory test duty in the IEC 62271-100. The purpose of this test is to give the maximum pre-arcing energy during making operation. And this requires the making operation with symmetrical short-circuit current that is established when the breakdown between contact gap occurs near the crest of the applied voltage. Also, if the interrupting chamber of circuit breakers is designed as the type of common enclosure or the operation is made by the gang operated mechanism that three-phase contacts are operated by one common mechanism, three-phase synthetic making test is basically required. Therefore, several testing laboratories have developed and proposed their own test circuits to properly evaluate the breaker performance. With these technical backgrounds, we have developed the new alternative three-phase making circuit.
 Keywords
Circuit breaker;Synthetic making test;Pre-arcing performance;Symmetrical current;Asymmetrical current;Short-circuit current;
 Language
English
 Cited by
1.
Operation characteristics of SFCLs combined with a transformer in three-phase power system,;;

한국초전도ㆍ저온공학회논문지, 2013. vol.15. 4, pp.30-33 crossref(new window)
1.
Novel Electromagnetic Actuator Using a Permanent Magnet and an Inter-Locking Mechanism for a Magnetic Switch, IEEE Transactions on Magnetics, 2013, 49, 5, 2229  crossref(new windwow)
2.
Operation characteristics of SFCLs combined with a transformer in three-phase power system, Progress in Superconductivity and Cryogenics, 2013, 15, 4, 30  crossref(new windwow)
 References
1.
International Standard IEC 62271-100 Ed. 2.0, 2008-04

2.
International Standard IEC 62271-101 Ed. 1.1, 2010-11

3.
Rene Peter Paul Smeets, Wim A. van der linden, "Verification of the Short-circuit Current Making capability of High-Voltage Switching Devices", IEEE Trans. Power Delivery, vol.16, no.4, pp.611-618, Oct. 2001 crossref(new window)

4.
STL(Short-circuit Testing Liaison): Guide to the interpretation of IEC 62271-100 Ed. 2.0, 2008-04