Device for measuring ground potential rise of transformer substation in frozen earth region
The utility model relates to a ground potential rise measuring device for a transformer substation in a frozen earth region, which comprises a shielding box, a high-voltage probe, a digital oscilloscope, a high-capacity lithium battery and an inverter are arranged in the shielding box, and the input...
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| creator | WANG SHI DENG XULIN WANG XIN WANG ZHAODI QIAN LEILEI YANG ZHONGHUA YONG WENTAO WU WENJIANG HU HELING LUO ZHIFENG XU YANFANG MA BINGLIN DONG SHITOU TONG NENGWU SUN LEI REN ZHILIAN CHEN MENG WEN YONGLIANG GUAN XINPENG SONG YUNYAN WU WENZHANG CHEN CHENG |
| description | The utility model relates to a ground potential rise measuring device for a transformer substation in a frozen earth region, which comprises a shielding box, a high-voltage probe, a digital oscilloscope, a high-capacity lithium battery and an inverter are arranged in the shielding box, and the input end of the high-voltage probe is connected with a measuring lead for transmitting input voltage signals. The output end of the high-voltage probe is connected with the input end of a digital oscilloscope used for collecting signals subjected to voltage division through the high-voltage probe, the output end of the digital oscilloscope is connected with a data line, and collected data are output through the data line. The high-capacity lithium battery converts direct current output by the high-capacity lithium battery into alternating current through the inverter to supply power to the digital oscilloscope. Aiming at the characteristic of high soil resistivity in a high and cold frozen earth region, the test task o |
| format | Patent |
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| subjects | MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING |
| title | Device for measuring ground potential rise of transformer substation in frozen earth region |
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