Reactive Power Regulation Using Switching Capacitor Binary Weighted Method for Grid Connected Induction Generator Using PLC Based HMI

Naufal, Pratama Onny (2025) Reactive Power Regulation Using Switching Capacitor Binary Weighted Method for Grid Connected Induction Generator Using PLC Based HMI. S2 thesis, Universitas Andalas.

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Abstract

Induction generators are often used in renewable energy generation because they offer a number of advantages and are applied to Wind Power Plants (PLTB) and Micro Hydro Power Plants (PLTMH). To operate, induction generators require a reactive power supply. Induction generators connected to the electricity grid get their reactive power supply directly from the grid, while use excitation capacitors as their reactive power source. However, load fluctuations cause the reactive power needs of induction generators connected to the grid to change, so a flexible and adjustable reactive power supply is needed. To meet these needs, fixed capacitors are used as basic requirements and switching capacitors to regulate the reactive power supply according to changes in load. This study conducted tests on machines available in the laboratory. In the test, the value of the fixed capacitor is 8µF delta connection and the binary weighted switching capacitor method uses values 0.25µF, 0.5µF, 1µF, 2µF, and 4µF. The switching capacitor designed using a compatible HMI-based PLC is connected to SCADA. HMI functions as a monitor for all parameters and set point values of reactive power requirements so that the designed device can meet reactive power requirements independently, absorb from the grid, or supply to the grid using reactive power compensation module (fixed & variable capacitor).

Item Type: Thesis (S2)
Supervisors: Prof. Ir. Refdinal Nazir, M.SEE., Ph.D., IPU
Uncontrolled Keywords: induction generator, reactive power, fixed capacitor, switching capacitor, PLC, HMI, grid
Subjects: T Technology > T Technology (General)
T Technology > TJ Mechanical engineering and machinery
T Technology > TL Motor vehicles. Aeronautics. Astronautics
Divisions: Fakultas Teknik > S2 Teknik Elektro
Depositing User: s2 teknik elektro
Date Deposited: 03 Jun 2025 07:28
Last Modified: 03 Jun 2025 07:28
URI: http://scholar.unand.ac.id/id/eprint/495736

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