| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem of a control circuit becoming complicated to avoid device stop when the load current exceeds the capacity of the device, if output current is simply controlled according to the load current detected by a current transformer. SOLUTION: A current transformer 5 for detecting the current of a load 2 is formed, so that its detected output current saturates, when the load current becomes equal to or larger than the compensating current capacity of the device, and limits the detected current to be sent to the control circuit of the device to the extent of about 100% on the side of the current transformer. |
