變電站中的電壓互感器,主要用於給測量儀表和繼電保護裝置供電，測量線路的電壓、功率和能量，或在線路發生故障時保護線路中的貴重設備、電機和變壓器， 變電站中的電壓互感器。Usually, has a very important role, and 變電站中的電壓互感器。What does it do? Generally only a few volts, tens of volts ampere, the maximum is not more than 1000 volts

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