GIS basin-type insulator distributed capacitor-based bus voltage measurement device
A basin-type insulator and distributed capacitance technology, applied in the field of power systems, can solve the problems of high cost of voltage transformers, power outages during installation and maintenance, and susceptibility to external influences, so as to improve measurement accuracy and reliability, strong applicability, and safety The effect of strong reliability
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[0027] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0028] like figure 1 As shown, the bus voltage measurement device based on the distributed capacitance of GIS pot insulators provided in this embodiment includes a voltage divider 1 , a coaxial cable 16 , and an operational amplifier circuit 17 . The coaxial cable 16 is divided into two sections, the first section is connected between the voltage divider 1 and the operational amplifier circuit 17, and the second section is connected between the operational amplifier circuit 17 and the oscilloscope as a display unit.
[0029] like figure 2 As shown, the voltage divider 1 is mainly composed of the voltage divider shell 2, the BNC connector 3, the matching resistor 4, the banana head connector 5, the voltage divider insulator 6, the low-voltage arm resistance-capacitance element 7, the conductive pressure piece 8, and the top cover 9. The basin...
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