Breaker rigid opening point detecting method and system based on opening pressure curve
A technology of pressure curve and detection method is applied in the field of detecting the just breaking point of a circuit breaker based on the opening pressure curve. effect of speed
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[0037] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0038] figure 1 The status monitoring system for vacuum circuit breakers is shown, which can realize on-line or off-line monitoring. The system includes a circuit breaker, a vacuum circuit breaker online status monitoring device, a communication unit, a display unit, a storage unit, and an alarm unit. The circuit breaker includes a Hall sensor, a pressure sensor, a displacement sensor and a wireless temperature measurement module for collecting signals. The analog signal collected by the sensor is converted into a digital signal through the A / D conversion circuit, processed by the monitoring device, the collected data is displayed, stored and calculated, and the calculated characteristic value is compared with the stored historical data. An alarm will be issued if there is an abnormal value.
[0039] The basic method steps of this technica...
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