Patent ID: 9141057
Filing Date: 2015-09-22
Classification: G03G,H02M,Y02B

Abstract:
1. A switching control apparatus, which is provided between a commercial alternating current power supply and a load, for controlling a switch for supplying or cutting off electric power from the commercial alternating current power supply to the load, the switching control apparatus comprising: a switching driving unit for turning on or off the switch; a control-purpose power supply for outputting electric power for controlling the switching driving unit; a power transmission unit provided between the switching driving unit and the control-purpose power supply, for supplying or cutting off electric power from the control-purpose power supply to the switching driving unit; and a control unit for controlling the power transmission unit, wherein the control unit controls the switching driving unit to turn on the switch during a period in which the electric power from the control-purpose power supply to the switching driving unit is cut off by the power transmission unit, and controls the switching driving unit to turn off the switch during a period in which the electric power is supplied from the control-purpose power supply to the switching driving unit.