Simple 100 Watts UPS inverter circuit:-
The main component of UPS ( Uninterrupted Power Supply) is Inverter and Power Supply, today i am going to give you a simple Mosfet based 100 watts inverter using IC CD 4047 and IRF540 Mosfet.
This circuit is so simple you can implement it varo board as well.
CD 4047 is very low cost astable/monostable multi-vibrator IC, in this circuit it is wired as astable producing two pulse trains of about 0.01 s which are 180 degree out of phase at 10 and 11 pin.Pin 10 is then connected to gate of Q1 and pin 11 with Q2 gate.
Two resistor R3 and R4 are used to prevent loading of IC by Mosfet. When the pin 10 is high Q1 conducts and currents flows from the upper half of primary winding of transformer which generated positive half cycle when pin 11 is high Q2 conducts and current flows through the lower half of transformer creating negative half of AC wave form.
Click on image to see large
Notes:
The main component of UPS ( Uninterrupted Power Supply) is Inverter and Power Supply, today i am going to give you a simple Mosfet based 100 watts inverter using IC CD 4047 and IRF540 Mosfet.
This circuit is so simple you can implement it varo board as well.
CD 4047 is very low cost astable/monostable multi-vibrator IC, in this circuit it is wired as astable producing two pulse trains of about 0.01 s which are 180 degree out of phase at 10 and 11 pin.Pin 10 is then connected to gate of Q1 and pin 11 with Q2 gate.
Two resistor R3 and R4 are used to prevent loading of IC by Mosfet. When the pin 10 is high Q1 conducts and currents flows from the upper half of primary winding of transformer which generated positive half cycle when pin 11 is high Q2 conducts and current flows through the lower half of transformer creating negative half of AC wave form.
Click on image to see large
Notes:
- B1 can be 12volt/6Ah lead battery
- Q1 and Q2 should have heatsink
- T1 can be 9-0-9 V primary and 230 secondary
- Its only for low grade applications.
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