Probability-Based Customizable Modeling and Simulation of Protective Devices in Power Distribution Systems

Chengwei Lei and Weisong Tian
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Chengwei Lei: The Department of Computer and Electrical Engineering and Computer Science, California State University Bakersfield, Bakersfield, CA 93311, USA
Weisong Tian: The Department of Electrical Engineering, Widener University, Chester, PA 19013, USA

Energies, 2021, vol. 15, issue 1, 1-15

Abstract: Fused contactors and thermal magnetic circuit breakers are commonly applied protective devices in power distribution systems to protect the circuits when short-circuit faults occur. A power distribution system may contain various makes and models of protective devices, as a result, customizable simulation models for protective devices are demanded to effectively conduct system-level reliable analyses. To build the models, thermal energy-based data analysis methodologies are first applied to the protective devices’ physical properties, based on the manufacturer’s time/current data sheet. The models are further enhanced by integrating probability tools to simulate uncertainties in real-world application facts, for example, fortuity, variance, and failure rate. The customizable models are expected to aid the system-level reliability analysis, especially for the microgrid power systems.

Keywords: fuse; contactor; thermal magnetic circuit breaker; customizable; modeling; simulation; power distribution system (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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