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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS)
Nik Din Muhamad
Universiti Teknologi Malaysia
Control & Systems Engineering Electrical & Electronics Engineering

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Photovoltaic emulator using error adjustment fuzzy logic proportional-integral controller Razman Ayop; Chee Wei Tan; Shahrin Md Ayob; Nik Din Muhamad; Jasrul Jamani Jamian; Zulkarnain Ahmad Noorden
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 13, No 2: June 2022
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v13.i2.pp1111-1118

Abstract

The photovoltaic (PV) technology has been increasingly used in our energy generation. Therefore, it is essential to have a good PV testing facility during the development process. The PV emulator (PVE) is a voltage or current source that mimic the current-voltage characteristic as a PV module that requires proper control strategy to work. The resistance feedback method (RFM) control strategy has many good attributes, except the transient response, which is caused by the proportional-integral (PI) controller. This paper proposed a new fuzzy logic PI (FLPI) controller to improve the transient performance of the RFM PVE. It is based on the error adjustment method that founded on the transient state and load of the PVE. The performance of the proposed PVE is compared with the original PVE that used RFM with the PI controller. The finding of the research shows that the transient performance of the proposed PVE has improved 2.3 times compared to the original PVE without affecting its accuracy.
The design of energy storage based on thermoelectric generator and bidirectional converter Razman Ayop; Chee Wei Tan; Abba Lawan Bukar; Awang Jusoh; Nik Din Muhamad; Syed Norazizul Syed Nasir
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 13, No 3: September 2022
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v13.i3.pp1605-1613

Abstract

Energy storage plays an important role in the future of the power system. There are a lot of energy storage system (ESS) available and thermal energy storage shows a promising future. Conventionally, this system is based on a steam generator that converts heat energy to electrical energy and an electrical heater to convert electrical energy to heat energy. Nonetheless, there is still no proper ESS based on the thermoelectric generator (TEG), which can convert directly heat energy to electrical energy and vice versa. This paper proposed a power converter with a new controller for the thermal ESS based on the TEG. The bidirectional converter and the modified perturb and observe method are used to manage the energy transfer at the TEG. The thermal energy storage is based on the sensible approach, where the heat energy causes the temperature to increase. The results show that the thermal ESS based on the TEG is feasible since the energy can be stored and released from the proposed system.
Co-Authors Abba Lawan Bukar Awang Jusoh Chee Wei Tan Jasrul Jamani Jamian Razman Ayop Shahrin Md Ayob Syed Norazizul Syed Nasir Zulkarnain Ahmad Noorden