Fault Diagnosis of Power Distribution Feeders with PV System Using Equivalent-Input-Disturbance Approach | Zendy

Bo Hu | Zendy; Jinhua She | Zendy; Ryuichi Yokoyama | Zendy

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Fault Diagnosis of Power Distribution Feeders with PV System Using Equivalent-Input-Disturbance Approach

Author(s) -

Bo Hu,

Jinhua She,

Ryuichi Yokoyama

Publication year - 2013

Publication title -

journal of advanced computational intelligence and intelligent informatics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.172

H-Index - 20

eISSN - 1343-0130

pISSN - 1883-8014

DOI - 10.20965/jaciii.2013.p0283

Subject(s) - disturbance (geology) , computer science , photovoltaic system , fault (geology) , estimator , control theory (sociology) , power (physics) , node (physics) , electric power system , control (management) , mathematics , engineering , artificial intelligence , statistics , paleontology , physics , structural engineering , quantum mechanics , seismology , geology , electrical engineering , biology

This paper describes a fault diagnosis method based on the equivalent-input-disturbance (EID) approach to power distribution feeders connected to a photovoltaic (PV) system. Node faults are treated as a system disturbance and are estimated using an EID estimator. First, a dynamic model that contains both the PV system and a power supply utility for the feeder is built. Second, an EID estimator is constructed to estimate the disturbance to the system on the control input channel. Third, a method for abstracting the amount caused by the PV system in the EID is presented to estimate the effect caused by faults. Simulation results demonstrate the validity and superiority of the method.

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