开关电源在电力系统的应用

Application of Switch Power Supply in Power Systems

应用大功率半导体器件 ,在一个电路中运行于“开关状态” ,按一定规律控制开关 ,对电能进行处理变换而构成的电源 ,被称为“开关电源”。与传统的相控型直流电源相比 ,开关电源模块各项性能指标优异 ,维护方便。随着电力用开关电源技术的不断完善 ,开关电源将全面替代相控电源 。

A power source using a large-power semi-conductor part operated in a circuit under“switching status”, which controls the switch based on a certain rule to treat and change the electric energy, is called a “switching power source”. Compared to the traditional phase-controlled DC power source, the modules of this new power source have perfect indexes of its all performances and convenience for maintenance. With continuous improvement of switching power technology in power industry the switching power source will substitute phase-controlled power source totally and become the first choice for DC power source in power industry.