| 摘要 |
A device for electrical load soft switch on/switch off comprises a control voltage set unit, a microprocessor, a thyristor control unit, a thyristor unit with three phase outputs, phase current sensors. Moreover, the device is provided for a power filter, a power supply unit, a crystal resonator, mode indicators, a power supply unit by-passing a control electron circuit and solid electron switches for disconnection of said elements in the event of power supply unit becomes operating at maximal power. |
