Three-phase Pure Sine Inverter
Amirkabir Technical & Vocational University of Markazi, Arak · 2011 – 2013
- TITLE
- Three-phase Pure Sine Inverter
- DEGREE
- Associate Degree in Electronics (full scholarship)
- UNIVERSITY
- Amirkabir Technical & Vocational University of Markazi, Arak, Iran
- DEFENDED
- 7 September 2013
- SUPERVISOR
- Eng. Mahmoud Fereydoni
Overview
Before the FPGAs and the tape-outs, there was analog. This associate-degree thesis designed and built a three-phase pure sine inverter — fully analog, with adjustable frequency, phase and amplitude, delivering a 220 V output.
The design brief pulled in two directions at once: keep the production cost low, and keep the output clean and dependable in electrically noisy, EMI-heavy environments. Meeting both constraints with analog circuitry — no microcontroller cleanup, no digital regeneration — is what made the project a proper engineering exercise, and an early lesson in the signal-integrity thinking that carries through all the later digital work.
Highlights
- Fully analog design generating three pure sine phases, with adjustable frequency, phase and amplitude.
- 220 V three-phase output.
- Low production cost as an explicit design constraint.
- High reliability in noisy / EMI-heavy environments.