| 摘要 |
PURPOSE:To prevent an adverse influence to a load even if a new power source is connected to a load during the operation of a system by connecting a plurality of power sources in parallel with a load through diodes, and respectively providing electronic variable resistors in the power sources. CONSTITUTION:Electronic variable resistors 3 for regulating the output voltages of a plurality of power sources P1, P2 connected in parallel with a load L through diodes 1 are provided. The voltage across the diode 1 is detected to control the output voltage of the resistor 3, and the resistor 3 is set to a reset state in a state that the power sources P1, P2 are not connected to the load L. Thus, even if new power source is connected to the load L during the operation of the system, the output voltage of the power source can be automatically regulated to a normal voltage, and the adverse influence of the transient voltage generated at the time of connection and particularly a voltage higher than the normal voltage to the load can be prevented. |
