How To Make a Modified Sine Wave Inverter 12V To 220V - 300W Prototype скачать в хорошем качестве

How To Make a Modified Sine Wave Inverter 12V To 220V - 300W Prototype

In this video, we’re diving into the world of power electronics to build a 300W 12V DC to 220V AC Inverter (Prototype V1). Whether you're looking for an emergency power backup or a fun weekend DIY project, this circuit is a great way to learn how power conversion works. Link: $5 for 5 PCBs and One Stencil, One Gerber File to Order Both, Sign up here to Get Free Coupons: https://jlcpcb.com/?from=JLA This prototype uses a pulse-width modulation (PWM) control circuit to drive high-power MOSFETs, stepping up a standard 12V battery to a usable 220V AC output via a center-tapped transformer. Key Specifications: Input: 12V DC (Battery) Output: 220V AC Rated Power: 300 Watts Efficiency: ~85% (depending on transformer quality) Design: Prototype V1 (Modular PCB + Breadboard control) Component List: Transformer: 7.2V - 0 - 7.2V (High Current) MOSFETs: 4x IRFZ44N or IRFP260 Control IC: TL494 PCB: Custom Power Stage V1 Heatsinks: Essential for thermal management Timestamps: 0:00 - Introduction & Project Overview 1:15 - Understanding the Circuit Diagram 3:45 - Component Selection & Assembly 6:20 - The "Prototype V1" Build Process 8:50 - Output Voltage & Load Testing 8:51 - Efficiency Analysis & Future Improvements (V2) ⚠️ SAFETY WARNING: This project involves high-voltage 220V AC, which can be FATAL. Do not attempt this build if you are not experienced with electrical safety. Always use a fuse and never touch the output terminals while the circuit is live. Support the Channel: If you found this video helpful, please give it a Like and Subscribe for more DIY electronics, PCB designs, and power projects! #DIYInverter #12Vto220V #ElectronicsProject #PowerInverter #Homemade #Engineering #300WInverter #CircuitDesign