| 摘要 |
PROBLEM TO BE SOLVED: To increase efficiency and reliability of a power circuit. SOLUTION: A bridge construction using two sets of relay contacts for supplying a DC power voltage of a specified polarity to a load is formed in the power circuit. In a transition duration just after power is supplied, current is caused to flow in a load through a current limiting resistor. After the passage of the transition duration, DC power voltage is applied to a load using the bridge construction. |
