Nghiên cứu kỹ thuật điều khiển bù dự đoán thông minh ứng dụng trong lọc sóng hài cho tải phi tuyến hệ thống điện ba pha
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Abstract
This research proposes a combination of the smart predictive compensation control in the Active power filter to improve power quality for the three-phase-power system. Using soft computing to improve the quality of electricity for the system is the choice of our new research approach to the efficient harmonic filter. The use of a Voltage Source Inverter (VSI) for the system as an Active power filter is one of the most population solutions for power quality control and advanced software methods are also an option to upgrade the system with the new standards at a lower cost.
Filter harmonic on the three-phase system using active filter circuit with the using of predictive control algorithm makes filtration efficiency higher, especially for expansion and improvement issues concerning the three-phase Non-linear-load system, this solution becomes much simpler and more efficient than investing in a new system in terms of cost, matching with improving the quality of the system, meeting the requirements of high-quality power. The research has also improved the THD by <5%, confirming the reliability and easily of upgrading the power quality control systems.
Tóm tắt
Ổn định chất lượng hệ thống điện ba pha khi nhu cầu gia tăng tải và chất lượng điện là chủ đề nghiên cứu quan trọng và giải pháp sử dụng hệ thống lọc tích cực để nâng cao chất lượng điện phổ biến hiện nay. Tuy nhiên, hướng nghiên cứu mới trong bài viết là ứng dụng bộ điều khiển bù dự đoán thông minh để nâng cao hiệu quả bộ lọc tích cực ba pha.
Hệ thống lọc tích cực có sự hỗ trợ của bộ điều khiển bù dự đoán thông minh làm cho hiệu quả lọc cao hơn và cải tiến phần cứng tốt hơn, đáp ứng được các yêu cầu về nguồn điện chất lượng cao. Kết quả mô phỏng cho thấy chỉ số méo hài dòng điện lưới ba pha đã được cải thiện với chỉ số THD < 5% khẳng định ứng dụng bộ điều khiển bù dự đoán thông minh có tính khả thi và hiệu quả cao.
Article Details
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