Rapid Faults Detection for Controlling Multi-terminal High Voltage DC Grids under AC Grid Contingencies | Zendy

Zhuang Xu | Zendy; Zhen Wei | Zendy; C. Zhang | Zendy

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Rapid Faults Detection for Controlling Multi-terminal High Voltage DC Grids under AC Grid Contingencies

Author(s) -

Zhuang Xu,

Zhen Wei,

C. Zhang

Publication year - 2016

Publication title -

energy procedia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.474

H-Index - 81

ISSN - 1876-6102

DOI - 10.1016/j.egypro.2016.06.053

Subject(s) - harmonics , grid , voltage , offset (computer science) , phase angle (astronomy) , engineering , fault detection and isolation , electronic engineering , amplitude , distributed generation , fault (geology) , electrical engineering , control theory (sociology) , computer science , physics , control (management) , mathematics , renewable energy , geometry , quantum mechanics , astronomy , artificial intelligence , seismology , geology , actuator , programming language

To control power flow for integration of distributed energy onto urban power grids, rapid and accurate detection of the amplitude, phase-angle, and frequency offset of the grid voltage's positive and negative sequence components especially under grid fault conditions are more significant. This paper presents a new faults detection method that is capable of tracking signal deviations on the grid-voltage accurately and rapidly even in the case that bus-voltage contains high order harmonics and random noises. The experimental results verify the validity of the proposed method under various grid-fault conditions

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