On-line monitoring system for the performance of the measurement equipment in the entire power grid based on wide-area synchronous measurement
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United States of America Patent
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Oct 1, 2020
app pub date -
Apr 1, 2019
filing date -
Apr 1, 2019
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Abstract
The invention discloses an on-line monitoring system for the performance of the measurement equipment in the entire power grid based on wide-area synchronous measurement, including a number of capacitive voltage transformers (CVT), electronic voltage transformers (EVT), electronic current transformers (ECT), electromagnetic potential transformers (PT), electromagnetic current transformers (CT), secondary circuits, electric energy meters, energy acquisition terminals, merging units, switches, clock synchronization systems, long-distance transmission line and other operating equipment. It also includes CVT insulation parameter monitoring module, CT oil pressure sensor, environmental parameter monitoring module, clock synchronization module, wide-area synchronous monitoring system consist of online monitoring apparatus, data transmission channel, installed in all substations of the power grid, as well as analysis and evaluation system of acquisition master station.
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