The electric speed regulator circuit of ceiling fans

Published:2011/6/4 3:02:00 Author:qqtang | Keyword: speed regulator, ceiling fans | From:SeekIC

The regulator circuit consists of the power supply circuit, non-steady multi-resonate oscillator and control execute circuit, see as figure 1. In the circuit, the power supply circuit consists of fan motor M, rectifier fridge UR, LED VLI, current limiting resistor RI, voltage diode VS and filter capacitor C1; the non-steady multi-resonate oscillator consists of time-based integrated circuit IC, resistors of R3 and R4, diodes of VD1 and VD2, potentiometer RP and capacitor C2; the control execute circuit consists of thyristor VT and LED VLZ.



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