On-line monitoring device and method for opening and closing time of circuit breaker
A monitoring device, opening and closing technology, which is applied in the direction of circuit breaker testing, measuring devices, instruments, etc., can solve problems such as failure to isolate faulty sections, leapfrog tripping, and excessive opening and closing time performance, so as to avoid malfunction or The effect of leapfrog tripping and monitoring time is accurate and reliable
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Embodiment 1
[0059] Such as figure 1 As shown, the on-line real-time monitoring device for the opening and closing time of the switch on the pole of the high-voltage circuit breaker provided by the present invention includes a three-phase current sensor 1, a three-phase voltage sensor 2, an analog quantity acquisition unit 3, a signal processing and storage unit 4, a central Processing unit 5, state quantity acquisition unit 6, display unit 7, operation unit 8, communication unit 9, etc.; the three-phase current sensor 1 and three-phase voltage sensor 2 respectively transmit the current and voltage signals detected online to the analog Quantity acquisition unit 3; The analog quantity acquisition unit 3 respectively converts the current analog signal into a digital signal and transmits it to the signal processing and storage unit 4; The signal processing and storage unit 4 performs preprocessing and preprocessing on the input signal data Computing, and its signal is sent to central processi...
Embodiment 2
[0066] Such as figure 1 and figure 2 As shown, the on-line real-time monitoring device for the opening and closing time of the switch on the pole of the high-voltage circuit breaker provided by the present invention includes a three-phase current sensor 1, a three-phase voltage sensor 2, an analog quantity acquisition unit 3, a signal processing and storage unit 4, a central Processing unit 5, state quantity acquisition unit 6, display unit 7, operation unit 8, communication unit 9, etc.; the three-phase current sensor 1 and three-phase voltage sensor 2 respectively transmit the current and voltage signals detected online to the analog Quantity acquisition unit 3; The analog quantity acquisition unit 3 respectively converts the current analog signal into a digital signal and transmits it to the signal processing and storage unit 4; The signal processing and storage unit 4 performs preprocessing and preprocessing on the input signal data Operation, and its signal is sent to c...
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