Insulation degradation monitoring device
An insulation degradation monitoring device by which a degradation state of an insulator can be constantly monitored by a simple configuration, and a degradation degree can be decided. An insulation degradation monitoring device for an insulator, by which a high-voltage charging portion of an electr...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | An insulation degradation monitoring device by which a degradation state of an insulator can be constantly monitored by a simple configuration, and a degradation degree can be decided. An insulation degradation monitoring device for an insulator, by which a high-voltage charging portion of an electric instrument is insulated from and supported to a grounding metal component, includes a penetration-type electric current sensor which is inserted to a connecting portion of the insulator and the grounding metal component, and detects a leakage electric current which is passed from the high-voltage charging portion through the insulator and is flowed to the grounding metal component; and a decision means which is connected to an output side of the electric current sensor, and decides a degradation degree of the insulator in accordance with a value of the leakage electric current. |
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