Showing posts with label 12v. Show all posts
Showing posts with label 12v. Show all posts

Wednesday, November 19, 2014

Variable Speed ​​DC Motor Controller 12V

For more details can be seen from a series of Variable Speed ​​DC Motor Controller 12V follows.

Series Variable Speed ​​DC Motor Controller 12V This is one series that can be used to regulate speed DC12V motor with PWM technique. Series Variable Speed ​​DC Motor Controller 12V uses a 555 timer IC as a PWM pulse generator to regulate the motor speed DC12 Volt. DC motor speed control process performed by adjusting the potentiometer R1 lever which in principle is set High and Low pulse width of the PWM pulse.

Series Variable Speed ​​DC Motor Controller 12V above the power MOSFET drivers in the form of a IRFZ46N is directly associated with DC motors. Working voltage of this circuit can be adjusted according to needs-driven DC motor, this circuit can work from 3-18VDC.

Wednesday, November 5, 2014

500W Low Cost 12V to 220V Inverter

Using this circuit you can convert the 12V dc in to the 220V Ac. In this circuit 4047 is use to generate the square wave of 50hz and amplify the current and then amplify the voltage by using the step transformer. How to calculate transformer rating
inverter

The basic formula is P=VI and between input output of the transformer we have Power input = Power output
For example if we want a 220W output at 220V then we need 1A at the output. Then at the input we must have at least 18.3V at 12V because: 12V*18.3 = 220v*1
So you have to wind the step up transformer 12v to 220v but input winding must be capable to bear 20A.

Note :This Circuit is using high voltage that is lethal. Please take appropriate precautions


Monday, September 8, 2014

500W Inverter 12V DC to 220V AC

This is inexpensive inverter schema which able to convert 12V DC become 220V AC. IC CD4047 is use to generate the square wave of 50hz and amplify the current and then amplify the voltage by using the step transformer.
500W

How to calculate transformer rating

The basic formula is P=VI and between input output of the transformer we have Power input = Power output

For example if we want a 220W output at 220V then we need 1A at the output. Then at the input we must have at least 18.3V at 12V because: 12V*18.3 = 220v*1

So you have to wind the step up transformer 12v to 220v but input winding must be capable to bear 20A.

Friday, August 29, 2014

Dual Power Supply Circuit 6V 12V

All electronic equipment requires power supplies, either from the battery or use electricity in your home. Electronic equipment usually requires certain Power Supply consumption.

Dual Power Supply Circuit 6V/12V, below. Electronic equipment typically uses direct current (DC) and the voltage and current of the adjustable electrical equipment condition. In the picture shown a basic schematic schema Power Supply 6V/12V is comprised of a transformer is used to reduce the voltage of 220V at the primary and 6V - 12V on the secondary with selector the switch.

Dual
Dual Power Supply Circuit 6V/12V