ANALYSIS OF THE GRID FOLLOWING OPERATION DURING FAULT CONDITION
The renewable energy system is usually connected to the distribution network which lacks the regulating and monitoring devices compared to the transmission network. In such cases, it is not easy to maintain stable operation of power grid during fault condition. The grid following (GFL) control is ab...
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| Main Author: | |
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| Format: | Final Year Project Report |
| Language: | English English |
| Published: |
Universiti Malaysia Sarawak, (UNIMAS)
2023
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| Subjects: | |
| Online Access: | http://ir.unimas.my/id/eprint/43151/1/CHAI%20MUI%2024pgs.pdf http://ir.unimas.my/id/eprint/43151/2/CHAI%20MUI%20ft.pdf http://ir.unimas.my/id/eprint/43151/ |
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| Summary: | The renewable energy system is usually connected to the distribution network which lacks the regulating and monitoring devices compared to the transmission network. In such cases, it is not easy to maintain stable operation of power grid during fault condition. The grid following (GFL) control is able to provide optimal power regulation in a solar PV system, but the deviation of grid impedance leads to a reduction of system’s stability. The main objective of this work is to analyse the behavior of grid following inverter during fault condition, in order to measure its control response in real time. A grid-connected solar PV system had been designed using MATLAB environment. In this system, PQ control is used to support the stable operation of the power grid. The system is validated experimentally using available facilities at the power laboratory. The result showed that the system can be controlled using GFL mechanism during the abnormal condition. Here, the optimum control of the injected current at 200 A, with respect to the grid voltage and frequency at the point of common coupling have been achieved. |
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