In this paper, a protective circuit for power supply of lasers without the use of low-voltagetransformer and relay is presented.
本文介绍了一种不用低压变压器和继电器激光电源保护电路。
2
Introduces the constitutes of lowvoltage protection system of distributing transformer, analyzes the failure reason, puts forward concrete measures of improving lowvoltage protective reliability.
介绍了配电变压器低压保护的组成,对故障原因进行了分析,提出了提高低压保护可靠性的具体措施。
3
Through deduction and analysis, the conclusion can be made: low reactance at the neutral point of transformer has little effect on the switching over-voltage in power systems.