Tuesday, October 20, 2015
Single phase voltage regulator (full wave)
Here is another voltage regulator for motorcycle design to be used on single phase stator.This is the simplest full wave design commonly used on almost all commuter bikes with 4 pin connector. Do not be mistaken with the half wave versions, for this one cannot be used on half wave stator design to which the other end of the windings is directly connected to ground. Again this is for a FULL WAVE converted stator design and modifications.
By looking at the schematic, and comparing it to my previous post of voltage regulators, it is almost identical, with the design, and only component values are different. C1, R1, Q1, D1, and R3 compromising the sensing and regulating circuit, whereas D2,D3, Q2 and Q3 are the shunting components of the stator winding.
D4 to D7 are your rectifiers that converts the AC coming from the stator to DC for charging your battery. With the values as shown, the output of this regulator is 14.4 at 5000rpm. You can modify this circuit for your intended application, to output 15 volts rather than 14.4 for quick charging of your battery when there are too much load on your system, by altering D1, to 13 volts rather than 12.6 volts..
This system is Stator dependent...meaning, this can't output more power on what your stator can give, all charging system power rely on your stator max output...
Part list
R1= 3.3k ohms
R2= 1 k ohms
R3= 1.5k ohms
R4= 100 ohms
Q1= 2n5401
C1= 10uf / 25volts
D1= 12.6 volts zener / 1 watt
D2 /D3= 1n4007
SCR1 /SCR2= bt151-500 or bt151-600
D4-D7= bridge rated 100v 10A
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