Live line displaying detector for microelectronic high-voltage, ultrahigh-voltage power system

The utility model discloses a scheme of a charged displaying detector for microelectronic type high-voltage and ultrahigh-voltage electric power systems. The scheme comprises a sensor C, an arrester B, a filter L, an overvoltage absorbing circuit G, signal transforming circuit X, an SCM control system D, an environment temperature testing circuit H, a key-press circuit Z, a digital display alarm circuit S, an indicating meter N, a communication circuit T, a main control computer A, an ultralow temperature control circuit Y, a relay output circuit J, a voltage level adjusting key B0, a minimum voltage displaying and adjusting key B1, an actual voltage setting key B2, an increasing key B3 and a decreasing key B4. The utility model realizes the accurate judgement that whether the high-voltage and ultra-high voltage electric power systems are charged or not, the utility model conduct safety interlocking for corresponding equipment, the value of network voltage can be displayed digitally, the adjustment is very simple, visual and accurate, the utility model has the function of adjusting internal environment temperature, the utility model communicates with the main control computer, and the function of far transmission of information is realized. Therefore, the utility model ensures the safety of the equipment of the electric power systems and persons, and the utility model ensures the safe operation of the electric power systems.