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当反应堆控制棒采用磁阻电动机驱动时,需要一个相序可逆的低频电源。在某工程中,该电源采用电阻换向的可控硅交-交变频装置,在实际使用中,常发生保险丝熔断,可控硅和换向电阻出现故障的现象。本文叙述一种采用电容代替电阻换向的新型低频电源,该电源经过实验室试验和实际使用考验表明,较原电源具有线路简单、发热明显减少,使驱动机构的提升力有较大提高和工作可靠等优点。
When the Reactor Control Rod is driven by a reluctance motor, a low frequency power supply with reversible phase sequence is required. In some projects, the power supply using SCR commutation resistance - AC frequency conversion device, in actual use, often fuse blown, SCR and commutation resistor failure phenomenon. This paper describes a new type of low-frequency power capacitor instead of using a new type of low-frequency power, after the laboratory tests and the actual use of the power supply test shows that the original power supply circuit with a simple, significantly reduce heat, so that the lifting force of the drive mechanism has greatly improved and work Reliable and so on.