1000W Power Inverter

1000W Power Inverter circuit diagram:
1000W Power Inverter Circuit

This is the power inverter circuit based MOSFET RFP50N06. The inverter capable to handle loads up to 1000W, it’s depended on your power inverter transformer. The RFP50N06 Fets are rated at 50 Amps and 60 Volts. Heatsink is required for cooling the MOSFETs. You may add some MOSFETs with parallel connection to get more power. It is recommended to have a “Fuse” in the Power Line and to always have a “Load connected”, while power is being applied.

The advantages of this inverter circuit:

  • Can be used with a wide range of supply voltages by using appropriate transformers.
  • Can be used to deliver a wide range of output voltages by using appropriate turns ratio.
  • Output Frequency is Adjustable and Stable.
  • A Standard Step Down transformer (Reverse connected) can be used with Fair Results for Lower Wattages.
  • With the addition of “Parallel Output Fets” and a Large Transformer, Power can be GREATLY Increased.

100W Power Inverter Notes

This circuit will provide a very stable “Square Wave” Output Voltage.

Frequency of operation is determined by a pot and is normally set to 50 or 60 Hz, Depends on where you live.

SOME “off the shelf” transformers can be used, but with Poor Results. Or you can Custom wind your own FOR BEST RESULTS.

Additional MosFets can be paralleled for higher power.

It is recommended to Have a “Fuse” in the Power Line and to always have a “Load connected”, while power is being applied.

The Fuse should be rated at 32 volts and should be aproximately 10 Amps per 100 watts of output.

The Power leads must be heavy enough wire to handle this High Current Draw!

Appropriate Heat Sinks Should be used on the RFP50N06 Fets. These Fets are rated at 50 Amps and 60 Volts.
** Other types of Mosfets can be substituted if you wish.

The LT1013 offers better drive that the LM358, but its your choice.

The Power transformer must be capable of handling the chosen wattage output. Also, Appropriate Heat Sinks are Necessary on the Mos-Fets.

Using a rebuilt Microwave transformer as shown below, it should handle about 500 watts Maximum. It requires about 18 turn Center-Tapped on the primary. To handle 500 watts would require using a 5 AWG wire. Pretty Heavy Stuff, but so is the current draw at that power.

Simplified Operation is: IC1A & IC1B, Along with IC2A & IC2B and the Transistor form a Voltage controlled Oscillator of which the frequency is adjusted with the 25K ohm pot. IC2C & IC2D are buffers, driving the Mos-Fets, out of phase of each other.

The 13 volt Zeners stabalize supply voltages and limit signals, while the 36 volt Zeners limit spikes from the transformer.

1000W Power Inverter PCB Layout Design:
1000W Power Inverter PCB Layout Design

1000W Power Inverter circuit source: chemelec.com

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19 thoughts on “1000W Power Inverter

  1. Maqsood Ali

    Would this circuit be used for the appliances at home??

  2. sahil sharma

    Plll sent me the circuit diagram and working of 24 v invertor

  3. gokulraj.s

    i need that all different type invertr t in cricuites

  4. Gerry Last

    Sir,please give me a part list of 1000watts pure sine wave power inverter.and design of power transformer.thanks..

  5. aijaz ahamed khan

    hi i want wich volt transformer use 1000w invertere

  6. Obi

    I need the voltage of the transformer and the part list

  7. saidi haruna

    Hi sir, I ask u that can I have a driver can drive iron? Pls halp me

  8. hassan

    ????. ?? ???????? ????? ?? ??? ??????? 1000 ??? ????? ????? ?????? ?? ?????????
    hi. i want to now that inverter have outpot sinosy wave?
    Hi there. I want to know that this is a sinusoidal output 1000 watt inverter ?????

  9. bhushan ambekar

    sir like ur circuit & i am making this circuit so i kindly request u that plz give me part list & transformer name

  10. Muhd Yau

    I really apreciate,secondly,i need more hint about d circut.Bcoz i want 2 build up.tnks.

  11. sanjay

    is it possible, in place of mosfet, ssr can be used? what modification will required?

  12. Jagan

    Could u plz tell what transformer we should use?

  13. Mr.loc

    thanks ur design!
    i want to do a same !
    can you give me the actual power u have done?

  14. prasad

    Dear sir

    I want the the list of electronic item spare parts.

  15. dawit niguse(ethiopia)

    hi ,i realy 10Q u for ur doing
    could u send me atransitorized (a simple and easly avilable IC)2000watt power inverter circuit. and how can i determine(design )the heat sink. I realy 10 Q inadvance

  16. John Lloyd Retondo

    what kinds of transformer use in power inverter

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