Large-capacity DC electrical test device
A test device and large-capacity technology, applied in the direction of measuring devices, measuring electricity, measuring electrical variables, etc., can solve the problems of inconvenient adjustment and small voltage adjustment range, and achieve the goal of expanding the voltage adjustment range, enhancing safety, and strong functions Effect
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[0026] The present invention and its implementation process will be described in detail below in conjunction with the accompanying drawings.
[0027] Such as figure 1 , figure 2 A large-capacity DC electric appliance test device is shown, which includes a rectifier transformer T1, a rectifier D, an accompanying circuit breaker QF2, an accompanying product DC contactor KM1, and a test product X1. The rectifier transformer T1 is connected to the power line. The rectifier transformer T1 is connected to one end of the AC protective circuit breaker QF1, and the other end of the AC protective circuit breaker QF1 is connected to the first AC transformer T2, the second AC transformer T3, and the third AC transformer T4 arranged on the power bus L1 , The input terminals of the fourth AC transformer T5 are connected, the output terminals of the first AC transformer T2, the second AC transformer T3, the third AC transformer T4, and the fourth AC transformer T5 are connected to the AC c...
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