POS can supply more precise mathematical model to analyze the off-linepower flow, stability and faults of the power system.
POS提供了更为精确的数学模型来离线分析电力系统的潮流、稳定性和故障。
2
For the use of off-line switching mode powersupply IC, an internal power supply circuit combining with a high voltage startup current source is proposed.
结合高压启动恒流源设计了一种用于离线式开关电源的内部电源电路。
3
When used or the ground line is charged, cutting off the powersupply of the electric heating tube, the personal safety can be protected in the environment of adverse grounding.