The following article presents 7 top modified sine wave inverter designs with exhaustive descriptions regarding its construction procedure, circuit diagram, waveform output and detailed parts lists. The designs are intended for learning and building experimental projects by engineers and students. Here we discuss different varieties of modified designs ranging from a modest 100 watt to […]
12V DC to 220 AC Power Converters
5 Simple Inverter Circuits you can Build at Home
These 5 inverter circuits may look simple with their designs, but are able to produce a reasonably high power output and an efficiency of around 75%. Learn how to build this cheap mini inverter and power small 220V or 120V appliances such drill machines, LED lamps, CFL lamps, hair dryer, mobile chargers, etc through a […]
Arduino Full-Bridge (H-Bridge) Inverter Circuit
A simple yet useful Microprocessor based Arduino full-bridge inverter circuit can be built by programming an Arduino board with SPWM and by integrating a few mosfets with in H-bridge topology, let’s learn the details below: In one of our earlier articles we comprehensively learned how to build a simple Arduino sine wave inverter, here we […]
1500 watt PWM Sinewave Inverter
A vey basic yet reasonably efficient 1500W PWM based sinewwave inverter circuit can be studied under this post. The design utilizes very ordinary parts to accomplish a powerful SPWM type inverter circuit. Main Specifications Power Output: Adjustable from 500 watts to 1500 watts Output Voltage: 120V or 220V as per the transformer specs Output Frequency: […]
3 Best Transformerless Inverters with Circuit Diagrams
The post helps us to understand 3 inverter circuits designed to work without a transformer, and using a full bridge IC network and a SPWM generator circuit. The first idea as given below was requested by Mr. Ralph Wiechert Main Specifications Greetings from Saint Louis, Missouri. Would you be willing to collaborate on an inverter project? […]
Inverter Voltage Drop Issue – How to Solve
Whenever PWM is employed in an inverter for enabling a sine wave output, inverter voltage drop becomes a major issue, especially if the parameters are not calculated correctly. In this website you might have come across many sine wave and pure sine wave inverter concepts using PWM feeds or SPWM integrations. Although the concept works […]
Sinewave 3KVA Inverter Using SG3525
In this post we discuss a simple 2kva inverter circuit using the IC SG3525, which can be easily upgraded to sinewave 3kva by increasing the mosfet and the transformer specs. The circuit was designed by Mr. Anas Ahmad. Component Set Up and Wiring The explanation regarding the proposed SG3525 2kva inverter circuit can be understood […]
Arduino Pure Sine Wave Inverter with Full Program Code
This article explains a simple pure sine wave inverter circuit using Arduino, which could be upgraded to achieve any desired power output as per the user’s preference Simulation and Working In the last article we learned how to generate sine wave pulse width modulation or SPWM though Arduino, we are going to use the same […]
SG3525 Full Bridge Inverter using Bootstrapped BJT/Mosfet Network
In this post we try to investigate how to design a SG3525 full bridge inverter circuit by applying an external bootstrap circuit in the design. The idea was requested by Mr. Mr. Abdul, and many other avid readers of this website. Why Full-Bridge Inverter Circuit is not Easy Whenever we think of a full bridge […]
Automatic Triac Changeover for Inverter/Mains
The post discusses a simple automatic triac changeover circuit from mains to inverter and vice versa for ensuring a well isolated inverter mains transfer for the load. This is to eliminate the possibility of the grid energy meter recording the inverter supply consumption in the utility bill. The idea was requested by Mr. Puneet SPDT/DPDT Solid […]
3 phase Solar Submersible Pump Inverter
The post explains a simple 3 phase solar submersible pump inverter circuit which can be made by configuring a few ICs and a few power devices. The idea was requested by Mr. Lufono and Mr. Sami. Solar Inverter for 3 Phase Pumps First of all i must say thanks to you and Mr. Lufono, i […]
Arduino Modified Sine Wave Inverter
In this post we are going to construct a modified sine wave inverter using Arduino. We will explore the methodology of the proposed sine wave inverter and finally, we will take a look at simulated output of this inverter. By Girish Radhakrishnan Difference Between Squarewave and Modified Squarewave Inverter Inverters saved us from short term power […]
Automatic Inverter Fan Switch ON while Charging and Inverting Modes
The post explains a simple method of automatically switching ON an inverter fan whenever the unit is operating in the charging mode or inverter mode, in order to ensure optimum cooling of the internal power devices. The idea was requested by Mr. Sudip Bepary. Request for an Automatic Inverter Fan Circuit I have just bought a […]