电感电流断续工作的反激式变换器一次侧开关可工作于硬开关或准谐振(或谷值开关或零电压开关)模式。

The flyback converter running in discontinuous conduction mode can be operated in hard switching or quasi resonant (or valley switching, or ZVS) mode regarding the primary side switch.

youdao

论文根据上述分析设计了基于故障分量采样值差动保护、故障分量相量差动保护、常规电流差动保护和零序电流差动保护自适应的保护方案。

The setting schemes of the resistance coefficient and the least trip differential current for the current differential protection based on sampled values using fault component are discussed.

youdao

提出了一种基于电磁波检测的零值绝缘子诊断方法，即联合采用基于(特高频)uhf和(高频)HF的局放电流检测方法。

A diagnosis method of zero-value insulator based on electromagnetic wave detection is put forward, namely partial discharge detection method jointly using UHF and HF.

youdao