| 摘要 |
<p>PURPOSE: To provide an inexpensive device which suppresses the drop of voltage at switching in of an electric load, and prevents the hunting at idling. CONSTITUTION: This is equipped with a switching detecting circuit 30, which detects the connected electric load 6, and an exciting current control circuit 40, which changes over the increase speed of the exciting current of a three- phase AC generator 1, and in the case that electric load is not detected, this lowers the increase speed of the exciting current, and in the case that the electric load is detected, this raises the increase speed of the exciting current. When the electric load is not connected, hunting does not occur since the increase of the load of the three-phase AC generator 1 s slow. At when switching in the electric load, the voltage drop of a battery 5 is small since the exciting current is increased quickly. Since it is necessary only to detect whether the electric power is made or not, the circuit constitution can be simplified, and this can be made an inexpensive device.</p> |
