3.三个单相电压互感器接成ynyn形,如图1(c)。可供给要求测量线电压的仪表和继电器,以及要求供给相电压的绝缘�察电压表。 Template




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tomski3.三个单相电压互感器接成ynyn形,如图1(c)。可供给要求测量线电压的仪表和继电器,以及要求供给相电压的绝缘�察电压表。 coloring