Measuring device for a metal-enclosed, gas-insulated high-voltag

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With coupling means

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324127, 324536, 336175, G01R 1504

Patent

active

059173165

ABSTRACT:
The measuring device is intended for a metal-enclosed, gas-insulated high-voltage installation. It contains at least one Rogovski coil (10), which is arranged in an enclosure tube (3), filled with insulating gas, of the metal enclosure and serves to detect the current in a current-carrying conductor (9), led through the enclosed tube (3), and a measuring electrode (11), which surrounds the conductor (9) and serves to detect the voltage of the conductor (9). The current conductor (9) is rigidly connected to a current-conducting cast armature (13) of an insulator (14) fastened to the enclosure tube (3). In the measuring device according to the invention, a defined field geometry is maintained in the interior of the enclosure tube (3) even over long periods and under changing loads. Consequently, the sensors, in particular the voltage sensor containing the measuring electrode (11), can transmit output signals of high measuring accuracy.

REFERENCES:
patent: 3869665 (1975-03-01), Kenmochi
patent: 4354154 (1982-10-01), Schiemann

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