Electric power system short circuit fault test device capable of precisely controlling short circuit time
A power system, precise control technology, applied in the direction of measuring devices, measuring electricity, measuring electrical variables, etc., to achieve the effect of small dispersion, fast action speed, and precise control of short-circuit fault tests
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[0028] see figure 1 and figure 2 , the embodiment of the power system short-circuit fault test device that can precisely control the short-circuit moment of the present invention includes one short-circuit eddy current-driven fast circuit breaker 1, three vacuum contactors 2, three eddy current-driven fast circuit breakers 3, and three voltage transformers 4 and a turn-on and turn-off phase controller 5.
[0029] One end of the short-circuit eddy current drive quick circuit breaker 1 is grounded, one end of each vacuum contactor 2 is connected to the three-phase line of the power system, and the other end is connected to the other end of the short-circuit eddy current drive quick circuit breaker 1 after passing through the eddy current drive quick circuit breaker 3 respectively. The connection constitutes a short-circuit loop; one end of each voltage transformer 4 is connected to the three-phase line of the power system, and the other end is connected to the conducting and b...
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