3000W Power Inverter 12V to 230V

3000W Power Inverter 12V to 230V Scheme

This is the circuit diagram of 3000W Power Inverter 12V to 230V modified sinus capable to deliver about 3000W 230V AC output from 12V input. This is the inverter circuit for professional only.


Inverter, is an electronic device or circuitry that changes direct current (DC) to alternating current (AC). The input voltage, output voltage and frequency, and overall power handling depend on the design of the specific device or circuitry. The inverter does not produce any power; the power is provided by the DC source.

Bottom PCB Design:

3000W Power Inverter 12V to 230V PCB Design

Top PCB Design (Component Placement):

3000W Power Inverter 12V to 230V Parts

An inverter or converter is an electronic device designed to convert direct current from a battery (accumulator) into alternating current as we receive the company that provides the electricity for consumption. UPS (uninterruptible power supply) equipment we use when lack energy and replacing the network of power is no more than an inverter electronic circuit. The injection of inverters on the network (GTI) used in alternative energy, have the particularity of not using batteries as a power source, but the tension produced by solar panels and wind turbines.

Conventional inverters consist of several stages:

  • Oscillator stage. This part of the charge to generate an oscillation equal to sway the electricity service provider provides us in the mains input circuit. For some countries this frequency is 50Hz 60Hz other;
  • Amplifier stage. The amplifier circuit an inverter intended to raise the value of the oscillator pulses so that these oscillation pulses are used for lifting step voltage.
  • Elevating step. Is responsible for raising the voltage to 120 or 220 V, this function is in charge of a step-up transformer.
  • Step supply direct current. This step consists of the current accumulators (batteries)
  • Step supply current switches. This step gets the power sector, allows you to charge the battery when the charge is made by the public sector.

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19 comments

  1. This circuit is okay. I would love to be given new inverters and descriptions about the circuit

    1. Three phases is different concept while motor is concern requires phase angle for each phases. And also vector calculation and designing of circuit and little bit complicated. Just like that can not use for 3 phase but it can work only sigle phase motor using some capacitor

  2. Please sir, can you explain in details, the actual function(s) of the charge pump circuit, as it looks like with just 12v, 16 powerful mosfets are uptimally functional?. Thanks

  3. I want to build a 12v to 230v, 200w inverter circuit, how would a chargepump help in the internal circuitry. Thanks

  4. Recently, I tried to build this 3000VA inverter, but discovered that the two 22- Ohm resistors (1/4 Watt) of one of the two driver stagesR47 and R48) were getting very hot. I changed the resistors to 1/2Watt type but still got the same result even without I.C. 4093 connected.Please what can I do to mitigate this problem? Thank you.

  5. Good day sir, pls how can i learn step by step on how to become an inverter engineer? Pls i want to learn how to build it and repire it too.

  6. HI
    INEED A SHEMATIC CIRCUUIT FOR INVERTER SINE WAVE USE NORMAL TRANSFORMER AND FERRITE TRANSFORMER WITH ALL PROTECTIONS WITH COMPLIMENTS

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