Research and Designing of Grounding Fault Diagnosis for Small Current System Based on DsPIC33 and MCP3903

Yin Hui, Shi Changkai, Guan Shilei, Lv Liping, Liu Manyu and Wu Guoping
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Yin Hui: China Electric Power Research Institute
Shi Changkai: China Electric Power Research Institute
Guan Shilei: China Electric Power Research Institute
Lv Liping: State Grid Beijing Electric Power Company, Electric Power Research Institute
Liu Manyu: State Grid Beijing Electric Power Company, Electric Power Research Institute
Wu Guoping: Beijing Bolijie Electric Co., Ltd.

Chapter Chapter 52 in Recent Developments in Data Science and Business Analytics, 2018, pp 451-462 from Springer

Abstract: Abstract For the 10 kV boundary switch controller reliability fault isolation boundary switch controller designed in this paper on the hardware of CPU dsPIC33EP512MU810 with high performance and special electric power quality measurement chip MCP3903, software gives a practical TDFT non synchronous sampling measurement method. The boundary switch controller judges the ground fault according to the first 1/4 cycle, zero sequence voltage and zero sequence current direction of the small current grounding.The master station is communicated with each boundary switch controller through the 4G network, and the boundary switch controller is managed and maintained so as to facilitate data management. The experimental results show that the design is accurate and reliable in separating user fault.

Keywords: Boundary switch controller; TDFT asynchronous sampling measurement method; MCP3903; Power quality; 4G (search for similar items in EconPapers)
Date: 2018
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DOI: 10.1007/978-3-319-72745-5_52

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