The paper adopts the fractal theory to judge the fault types and then USES the microcomputer logic judgement to realize selectivity of protection.
利用分形理论判断故障类型，再利用微机逻辑判断实现保护的选择性。
The paper presents selectivity coordination of levels and sorts protection in low voltage distribution system.
系统阐述了低压配电系统中各级各类保护之间的选择性配合。
Its application can improve the selectivity and sensitivity of power supply and distribution line protection.
其应用可提高供配电线路保护的选择性、灵敏性与供配电线路运行的可靠性、安全性。
The result of simulation indicates that fault componentdifferential protection with capacitive current compensation has high sensitivity and good selectivity on al…
仿真结果表明，对于两端供电超高压长线，带电容补偿的故障分量相量差动保护具有明显地高灵敏度和选择性；
The method has the characteristics of simple operation, good selectivity, cleanness and environment protection, so the yield and the quality of the valine are obviously improved.
该方法具有操作简单、选择性好、清洁环保的特点，使缬氨酸的收率和质量得到显著提高。
The method has the characteristics of simple operation, good selectivity, cleanness and environment protection, so the yield and the quality of the valine are obviously improved.
该方法具有操作简单、选择性好、清洁环保的特点，使缬氨酸的收率和质量得到显著提高。
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