Phase-sensitive rectifier circuit

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Transmitter (FZ) winding and a receiver (sz) correspond to the three-phase windings connected, 110V AC voltage supplied to the transmission
Phase-sensitive rectifier circuit - schematic

field winding, early start angle Qing, receiver output voltage at both ends of the stator windings and phase reflect the transmitter rotor angular displacement delivery that reflect the transmitter between the magnitude and direction of the error angle. At equilibrium, the output voltage is zero, otherwise, an error occurs, a voltage signal output. The picture shows the single-phase full-wave phase-sensitive rectifier. Two work alternately, respectively, in the resistance 5.lkfl voltage output, RP1 used to adjust the balance. AC rectifier into a DC signal, the speed loop RP2 sent to the operational amplifier (ST) input amplification,

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