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Design and control of a single phase synchronous inverter for microgrid

Motakabber, S. M. A. and Ibrahimy, Muhammad Ibn and Rahman, Tawfikur (2019) Design and control of a single phase synchronous inverter for microgrid. International Journal of Advanced Science and Technology, 28 (14). pp. 414-418. ISSN 2005-4238 E-ISSN 2207-6360

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Microgrid power system is becoming popular for utilizing renewable energy. This energy should invert to supply AC for microgrid, but inversion of the renewable energy has suffered some issues; inferior quality of waveform, large phase difference, high switching loss and poor power quality. A new scheme of phase synchronous inverter (PSI) has outline in the microgrid system which improve the quality of the power supply. A pulse width modulation (PWM) signal is generated for PSI to precisely synchronize with the grid line frequency. A lowpass LC filter is utilized to reduce the higher harmonics frequency in the inverter. In this research a resistive load of 40 Ω and input DC voltage ± 35 V has been considered. A PWM of 1600 Hz carrier frequency and 95% modulation index with 50 Hz fundamental frequency has been examined in this project. The simulated results show that the proposed PSI overall efficiency is 96%, total harmonic distortion (THD) is 3.9% and phase distortion is about 4 degrees. Therefore, it is highly appreciated that proposed design will improve the microgrid power supply system.

Item Type: Article (Journal)
Additional Information: 6791/80578
Uncontrolled Keywords: Inverter, PWM, microgrid, phase synchronization, THD, power quality
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK452 Electric apparatus and materials. Electric circuits. Electric networks
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering
Kulliyyah of Engineering > Department of Electrical and Computer Engineering
Depositing User: Dr S M A Motakabber
Date Deposited: 01 Jun 2020 14:58
Last Modified: 13 Aug 2020 19:32
URI: http://irep.iium.edu.my/id/eprint/80578

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