Fast recovery peak detector

Details Fast recovery peak detector Fast recovery peak detector

H - Electricity

02

H

348/26, 324/59

H02H 3/08 (2006.01) H02H 3/093 (2006.01)

Patent

CA 1139416

4lPR-6095 FAST RECOVERY PEAK DETECTOR ABSTRACT In a circuit breaker static trip unit, a peak detector generates a DC current signal of a magnitude proportional to the rectified peak signal voltage de- veloped across a current transformer burden resistor. The peak detector utilizes a differential amplifier operating in conjunction with a peak signal voltage detecting circuit connected therewith as a negative DC feedback network. A recovery circuit detects the relative amplitudes of consecutive signal voltage peaks pursuant to rapidly adjusting the peak signal voltage detecting circuit to signal voltage peaks of decreasing amplitudes.

357081

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