The paper briefly introduces the design options, system configuration, equipment selection and engineering application of low-voltage short-line pilot protections in enterprise's power supply system.
简要介绍企业供电系统的低压短线路纵联保护设计方案、系统配置、设备选择及工程应用。
Apply high voltage pilot arc and high frequency stable arc with constant current properties, prevent influence from unstable voltage of power grid.
采用高压维弧和弱高频稳弧，同时具有恒流特性，不受电网电压波动的影响。
A three-chambered bipolar membrane electrodialysis pilot module was used to recover organic acid from butyl-acrylate wastewater. Influence of operation voltage on the process was investigated.
采用具有三隔室重复单元的电渗析中试装置从丙烯酸丁酯废水中回收有机酸，考察了操作电压对转化过程的影响。
Different conditions causing the sensitivity deficiency of pilot zero-sequence directional protection are analyzed and the necessity of adopting zero-sequence voltage compensation is discussed.
讨论了纵联零序方向保护因为零序电压灵敏度不足而失效的各种情况，探讨了采用零序电压补偿措施的必要性。
Different conditions causing the sensitivity deficiency of pilot zero-sequence directional protection are analyzed and the necessity of adopting zero-sequence voltage compensation is discussed.
讨论了纵联零序方向保护因为零序电压灵敏度不足而失效的各种情况，探讨了采用零序电压补偿措施的必要性。
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