Zinc oxide lightning arrester on-line monitoring device
The utility model provides a zinc oxide lightning arrester on-line monitoring device. The device comprises a resistor disc, an impact current processing circuit, a leakage current processing circuit and an acquisition and output circuit. The input end of the resistor disc is connected with a zinc ox...
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| creator | WANG JIAN LIU YAXIN LI YU GU RUIYING LU XINYUAN TAO WEI DENG CHUN LIU LIANRUI PENG LONG LIU SHAOYU |
| description | The utility model provides a zinc oxide lightning arrester on-line monitoring device. The device comprises a resistor disc, an impact current processing circuit, a leakage current processing circuit and an acquisition and output circuit. The input end of the resistor disc is connected with a zinc oxide lightning arrester. When receiving an impact current, the resistor disc has the output end connected with the impact current processing circuit. When receiving a leakage current, the resistor disc has the output end connected with the leakage current processing circuit. The impact current processing circuit comprises a rectifying circuit, an impact current sensor and a peak value holding circuit. The rectifying circuit is applied for obtaining a rectifying current. The impact current sensor is applied for obtaining an impact voltage. The peak value holding circuit outputs a first voltage. The leakage current processing circuit comprises a current voltage adjusting unit for outputting second voltage data. The ac |
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The device comprises a resistor disc, an impact current processing circuit, a leakage current processing circuit and an acquisition and output circuit. The input end of the resistor disc is connected with a zinc oxide lightning arrester. When receiving an impact current, the resistor disc has the output end connected with the impact current processing circuit. When receiving a leakage current, the resistor disc has the output end connected with the leakage current processing circuit. The impact current processing circuit comprises a rectifying circuit, an impact current sensor and a peak value holding circuit. The rectifying circuit is applied for obtaining a rectifying current. The impact current sensor is applied for obtaining an impact voltage. The peak value holding circuit outputs a first voltage. The leakage current processing circuit comprises a current voltage adjusting unit for outputting second voltage data. 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The device comprises a resistor disc, an impact current processing circuit, a leakage current processing circuit and an acquisition and output circuit. The input end of the resistor disc is connected with a zinc oxide lightning arrester. When receiving an impact current, the resistor disc has the output end connected with the impact current processing circuit. When receiving a leakage current, the resistor disc has the output end connected with the leakage current processing circuit. The impact current processing circuit comprises a rectifying circuit, an impact current sensor and a peak value holding circuit. The rectifying circuit is applied for obtaining a rectifying current. The impact current sensor is applied for obtaining an impact voltage. The peak value holding circuit outputs a first voltage. The leakage current processing circuit comprises a current voltage adjusting unit for outputting second voltage data. 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The device comprises a resistor disc, an impact current processing circuit, a leakage current processing circuit and an acquisition and output circuit. The input end of the resistor disc is connected with a zinc oxide lightning arrester. When receiving an impact current, the resistor disc has the output end connected with the impact current processing circuit. When receiving a leakage current, the resistor disc has the output end connected with the leakage current processing circuit. The impact current processing circuit comprises a rectifying circuit, an impact current sensor and a peak value holding circuit. The rectifying circuit is applied for obtaining a rectifying current. The impact current sensor is applied for obtaining an impact voltage. The peak value holding circuit outputs a first voltage. The leakage current processing circuit comprises a current voltage adjusting unit for outputting second voltage data. The ac</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING |
| title | Zinc oxide lightning arrester on-line monitoring device |
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