Live-line insulator testor
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A live wire insulator tester is provided to prevent an insulation of an insulator from being broken by preventing a voltage of a different insulation from being raised. An insulator insulation resistance measurer(1) correctly measures an insulation resistance of an insulator while maintaining a divided voltage of the insulator. An intelligent controller(2) controls a self moving robot(3). The self moving robot(3) has the insulator insulation resistance measurer(1) and the intelligent controller(2). The self moving robot(3) has a moving instrument having a plurality of joints. A robot remote control and measure unit(4) remotely controls the self moving robot(3) through a wireless communication, and stores the measured data. High resistors are installed on a measuring signal line. A feed through capacitor is installed on the high resistors. An AC bypass condenser is connected to an insulator through the high resistors. A detection circuit detects an insulation resistor. A filter removes a noise included in the signal of the detection circuit. An amplifier amplifies and outputs the signal of the filter. A micro controller is connected to the amplifier. A transmitter transmits the signal. A lithium ion battery provides power. A DC high voltage generator generates DC current of a high voltage.