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논문 기본 정보

자료유형
학술저널
저자정보
Hatem Yassin Diab (Technology and Maritime Transport) Mostafa Ibrahim Marei (Ain Shams University) Sarath B. Tennakoon (Staffordshire University)
저널정보
전력전자학회 JOURNAL OF POWER ELECTRONICS JOURNAL OF POWER ELECTRONICS Vol.16 No.5
발행연도
2016.9
수록면
1,743 - 1,751 (9page)

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초록· 키워드

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The increasing demand for high voltage DC grids resulting from the continuous installation of offshore wind farms in the North Sea has led to the concept of multi-terminal direct current (MTDC) grids, which face some challenges. Power (current) flow control is a challenge that must be addressed to realize a reliable operation of MTDC grids. This paper presents a reduced switch count topology of a current flow controller (CFC) for power flow and current limiting applications in MTDC grids. A simple control system based on hysteresis band current control is proposed for the CFC. The theory of operation and control of the CFC are demonstrated. The key features of the proposed controller, including cable current balancing, cable current limiting, and current nulling, are illustrated. An MTDC grid is simulated using MATLAB/SIMULINK software to evaluate the steady state and dynamic performance of the proposed CFC topology. Furthermore, a low power prototype is built for a CFC to experimentally validate its performance using rapid control prototyping. Simulation and experimental studies indicate the fast dynamic response and precise results of the proposed topology. Furthermore, the proposed controller offers a real solution for power flow challenges in MTDC grids.

목차

Abstract
Ⅰ. INTRODUCTION
Ⅱ. THEORY OF OPERATION
Ⅲ. PROPOSED CONTROL OF CFC SWITCHES
Ⅳ. SIMULATION RESULTS
Ⅴ. EXPERIMENTAL VALIDATION
Ⅵ. DISCUSSION
Ⅶ. CONCLUSIONS
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