其基本保护采用零序过电压保护，动作时间采用反时限特性；
The inverse time delay characteristic is adopted by the basic zero-sequence over-voltage protection.
过载保护：在1.2倍额定电流时启动，采用反时限特性动作；
Overload protection:Start at 1.2times of rated current, adopt inverse time lag characteristic action;
反时限距离保护是解决近范围快速动作与保护范围末端可靠动作之间矛盾的最好策略。
The distance protection with inverse time characteristic is the best choice to solve the conflict between fast trip near the protecting relay and reliable trip at the end of protection zone.
短路短延时动作特性（可OFF）在低倍数电流时为反时限特性；
Acting characteristic of short-time delay short circuit (can be OFF) Inverse acting characteristics in ow-mutipled current;
论述了一种用dsp技术实现反时限特性曲线的新技术，提出了在DSP技术下计算动作时限的新方法。
We make full use of DSP technology to implement the inverse curve and propose a new method to calculate the operation time of the protection on the base of DSP. This m...
论述了一种用dsp技术实现反时限特性曲线的新技术，提出了在DSP技术下计算动作时限的新方法。
We make full use of DSP technology to implement the inverse curve and propose a new method to calculate the operation time of the protection on the base of DSP. This m...
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