Abstract
The operating performance, spring characteristics, and material properties of a gas-insulated circuit breaker were optimized using multibody dynamics. The circuit breaker consisted of several latches and a cam. The dynamic behavior of the latches was affected by the spring characteristics, as well as by the materials and length of each latch. Our results indicated that the motion of the latches was a key factor in determining the opening time of the circuit breaker. A multibody model for the circuit breaker was developed and verified by comparing simulated results with experimental data. The opening time for the breaker was reduced by 1.5 ms in simulations.
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Recommended by Editor Yeon June Kang
Gyu-Seok Choi is a general manager of switchgear research team at Pukyong National University. His interests are in kinematic design and dynamic analysis of mechanical system.
Jeong-Hyun Sohn is an associate professor in Mechanical & Automotive Engineering at Pukyong National University since 2003. His interests are in multi-body system dynamics, mechanism design.
Hyun-Woo Kim received his B.S. from Pusan National University (2005), M.S. from Pusan National University (2007). And he is currently a Ph.D. student at Pusan National University. His major area is flexible multi-body dynamics.
Wan-Suk Yoo received his B.S. from Seoul National University (1976), M.S. from KAIST (1978) and Ph.D. from University of Iowa (1985). He is currently a Professor at the School of Mechanical Engineering at Pusan National University.
Byung-Tae Bae is a principal researcher on the switchgear research team at Hyosung Power & Industrial System R&D Center. His interests are in kinematic design and dynamic analysis of mechanical system.
Jin-Ho Kim is a general manager of the switchgear research team at Hyosung Power & Industrial System R&D Center. His interests are in switchgear design and analysis of electric power system.
Jae-Yeol Kim is a researcher on the switchgear research team at Hyosung Power & Industrial System R&D Center. His interests are in multibody dynamics and flexible multibody dynamics.
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Choi, G., Sohn, J., Kim, H. et al. Performance improvement of a gas-insulated circuit breaker using multibody dynamic simulations and experiments. J Mech Sci Technol 27, 3223–3229 (2013). https://doi.org/10.1007/s12206-013-0845-9
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DOI: https://doi.org/10.1007/s12206-013-0845-9