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Inverter Circuits

Simple Online UPS Circuit

Last Updated on April 22, 2025 by Swagatam 37 Comments

online UPS compressed

In this post I have explained about the making of a simple online uninterruptible power supply (UPS) which guarantees a seamless transfer of AC mains supply to inverter mains supply for the load, due to the absence of cumbersome transfer switches or relays. What is an Online UPS As the name suggests, an online UPS […]

Filed Under: Inverter Circuits Tagged With: Online, Simple, UPS

Easy H-Bridge MOSFET Driver Module for Inverters and Motors

Last Updated on July 5, 2024 by Swagatam 51 Comments

universal H bridge mosfet driver compressed

If you are wondering if there’s an easy way to implement an H-bridge driver circuit without using the complex bootstrapping stage, the following idea will precisely solve your query. In this article I have explained how to build an universal full-bridge or H-bridge MOSFET driver circuit, using P-channel and N-channel MOSFETs, which can be used […]

Filed Under: Inverter Circuits, Motor Controller Tagged With: Bridge, Driver, Easy, Inverters, Module, MOSFET

50 Watt Sine Wave UPS Circuit

Last Updated on January 3, 2024 by Swagatam 41 Comments

UPS changeover circuit

The UPS detailed in this article can provide a power output of 50 watts consistently, at 110 volts with a frequency of 60 Hz. The output is fundamentally a sine wave that behaves exactly like standard mains home AC power for the load. An integrated power supply works like a battery charger. Even though the […]

Filed Under: Inverter Circuits Tagged With: Sine, UPS, Watt, Wave

500 Watt Inverter Circuit with Battery Charger

Last Updated on August 3, 2020 by Swagatam 387 Comments

500 watt

In this post we will comprehensively discuss how to build a 500 watt inverter circuit with an integrated automatic battery charger stage. Further in the article we will also learn how to upgrade the system for higher loads and how to enhance ot into a pure sine wave version. This 500 watt power inverter will […]

Filed Under: Inverter Circuits Tagged With: 500, Battery, Charger, Inverter, Watt

Arduino 3 Phase Inverter Circuit with Code

Last Updated on June 14, 2025 by Swagatam 169 Comments

driver

An Arduino three phase inverter is a circuit which produces a 3 phase AC output through a programmed Arduino based oscillator. In this post I have explained how to make a simple microprocessor Arduino based 3 phase inverter circuit which could be upgraded as per user preference for operating a given 3 phase load. We […]

Filed Under: Grid and 3-Phase, Inverter Circuits Tagged With: Arduino, Code, Inverter, Phase

How to Calculate Modified Sine Waveform

Last Updated on January 23, 2024 by Swagatam 6 Comments

modified squarewave RMS calculation

I am sure you might have often wondered how to accomplish the correct way of optimizing and calculating a modified square wave such that it produced almost an identical replication of a sine wave when used in an inverter application. The calculations discussed in this article will help you to learn the technique through which […]

Filed Under: Inverter Circuits Tagged With: Calculate, Modified, Sine, Waveform

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