According to some problems occurred eventually in GJB152A-97 CS101 test of AC power supply, a new method of injecting and checking the disturbance voltage is presented in this paper.

针对GJB152 A - 97交流供电cs 101试验中存在的问题，提出了一种新的干扰电压的注入和监测方法。

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Main.net's system skips the high-voltage lines, injecting data into the grid further downstream, on medium-voltage (4, 000 to 25, 000 volts) lines.

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