GIẢI PHÁP NÂNG CAO CHẤT LƯỢNG ĐIỆN NĂNG CHO CÁC PHỤ TẢI CÔNG NGHIỆP=A SOLUTION TO ENHANCE ELECTRICAL POWER QUALITY FOR INDUSTRIAL LOADS

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Tác giả: Thị Duyên Nguyễn Ngọc Trung Bùi, Ngọc Trung Nguyễn, Tiến Dũng Nguyễn

Ngôn ngữ: vie

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Thông tin xuất bản: Tạp chí Khoa học và Công nghệ Năng lượng, 2024

Mô tả vật lý: tr.42

Bộ sưu tập: Báo, Tạp chí

ID: 485958

Thêm vào giỏ

Bài báo trình bày phương pháp bù phân tán điều khiển tập trung kết hợp lọc sóng hài và cân bằng phanhằm nâng cao chất lượng điện năng cho lưới điện. Giải pháp áp dụng hiệu quả cho các phụ tải côngnghiệp sử dụng động cơ ba pha công suất lớn. Thông qua việc phân tích các yếu tố liên quan đến chấtlượng điện năng, các giải pháp nâng cao chất lượng điện áp, bài báo đề xuất sử dụng giải pháp bù phântán điều khiển tập trung trong đó có xét đến yếu tố cải thiện hiệu suất của động cơ trong hệ thống. Hệthống bù đề xuất bao gồm các bộ bù phân tán tại mỗi phụ tải cùng với một bộ bù trung tâm được điềukhiển bởi một bộ điều khiển duy nhất. Bài báo đề xuất chiến lược nâng cao chất lượng điện áp sử dụnghỗn hợp các phương pháp cân bằng pha, lọc sóng hài bậc cao và bù lai công suất phản kháng giúp tối ưuhóa tổn thất công suất tác dụng của toàn nhà máy, nâng cao chất lượng điện áp cho hệ thống. Qua kếtquả mô phỏng và thực nghiệm chứng minh tính hiệu quả và khả năng ứng dụng của giải pháp đề xuất.This paper proposes a novel distributed compensation method with centralized control for harmonicfiltering and phase balancing, aiming to enhance power quality in power grids. The proposed solutionis particularly well-suited for industrial applications employing large three-phase induction motors.Through a comprehensive analysis of power quality factors and voltage enhancement strategies, the paperadvocates for a distributed compensation approach with centralized control, emphasizing concomitantimprovements in motor performance within the system. The proposed compensation system comprisesdistributed compensators at each load, coordinated by a central compensator governed by a singlecontroller. The paper outlines a strategy for enhancing voltage quality that utilizes a combination ofphase balancing, high-order harmonic filtering, and hybrid reactive power compensation. This strategyaims to optimize total active power losses across the entire facility and elevate the system’s voltagequality. The effectiveness and applicability of the proposed solution are validated through simulationand experimental results.

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