| 摘要 |
<p>PURPOSE:To prevent unnecessary tripping of a generator caused from fuses melting, by making a first decision circuit generate the signal of a drive being continuable, and a second decision circuit generate the command signal of restricting the output of the generator, and a third decision circuit generate the signal of tripping the generator respectively, and by making a displaying device perform the displays corresponding to inputted signals. CONSTITUTION:When all the in-phase immediately melting fuses of controllable rectifying circuits 41, 42, 43, e.g. F1's are molten, the signal of tripping a generator is sent out from a third decision circuit 14. Also, when two of the in-phase immediately melting fuses of controllable rectifying circuits 41, 42, 43, e.g., F1's are molten, since one of the immediately melting fuses F1's of controllable rectifying circuits is sound, a CPU sends out the command signal of restricting the output of the generator from a second decision circuit 13, and computes the output level capable of continuing the drive of the generator, and sends out the value of the output level to a CRT. Accordingly, an operator restricts the output of the generator based on the display of the CRT, and can make the drive of the generator continue.</p> |
