An Inverter is a device that converts 12 volts d.c to 120 volts a.c. , which is what we use in our homes. This project will handle about 300 watts, which is perfect for lights, small T.V.’s and radio equipment.
This Inverter takes 12 volt d.c and steps it up to 120 volt a.c. The wattage depends on which transistors you use for Q1 and Q2, as well as the “Amp Rating” of the transformer you use for T1. This inverter can be constructed to supply anywhere from 1 to 1000 (1 KW) watts. If Q1, Q2 are 2N3055 NPN Transistors and T1 is a 15 A transformer, then the inverter will supply about 300 watts. Larger transformers and more powerful transistors can be substituted for T1, Q1 and Q2 for more power. Note:Don’t try to run inductive loads (motors…) off this inverter.
Parts:
| C1, C2 | 68 uf, 25 V Tantalum Capacitor |
| R1, R2 | 10 Ohm, 5 Watt Resistor |
| R3, R4 | 180 Ohm, 1 Watt Resistor |
| D1, D2 | HEP 154 Silicon Diode |
| Q1, Q2 | 2N3055 NPN Transistor (see “Notes”) |
| T1 | 24V, Center Tapped Transformer |
| Misc. | Wire, Case, Receptacle (for output) |
| Fuses, Heatsinks, etc. |
Caution: This circuit can cause serious injury or death. Keep away from children. This material does not give responsibility to user who uses this information. Use at your OWN RISK
Source: i4at.org
I just love it,because from few days i searching such a inverter and now i find it!
SIR,
will this circuit work properly ?
Yeah it works but make sure you’re away from unit when power supply passes through transformer/circuit
OK,,,THANKS
can u please tell me working of this circuit also !!
Can you please elaborate on “Note:Don’t try to run inductive loads (motors…) off this inverter”?
Why not? What changes can be done to make this be safe for an electric motor?
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