It is the only way to solve above problems that the earth leakage circuit breaker of timelagaction and the distribution protection are adopted in low voltage supply system.
在低压供电系统内采用延时动作的漏电保护开关和分级保护技术,是解决上述问题的唯一途径。
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That is why a delay, called Lag Compensation Time (LCT), is introduced between the real action and the display on the other side of the transmission pipeline.