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In this paper, an interruption simulation model for 252kV Self-blast SF6 circuit breaker is built according to the MHD theory, using real gas model and dynamic mesh method. Aiming at acquiring the characteristics and the differences of interruption under different power frequency, the gas flow field at different power frequency 50Hz and 60Hz are simulated and compared. Seven analysis points at the...
In this paper, an interruption simulation model for 252kV SF6 Circuit Breaker is built according to MHD theory. Through the calculation, the distributions of the arc column temperature and flow field during the interruption process are acquired considering two different arcing times. The gas pressure, temperature and voltage of the arc plasma in different arcing times are presented. Two analysis points...
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