Author(s)

Wang Daohong ¹

Affiliation(s)

¹ Shanghai Delixi Group Co., Ltd., Shanghai, China

Corresponding Author

Wang Daohong

ABSTRACT

High and low voltage switchgear is the core equipment in the power supply and distribution system of the factory, and the rationality of its scheme design directly affects the safety and reliability of power supply in the factory. This paper systematically analyzes the significance of high and low voltage switchgear scheme design in ensuring the safe and stable operation of the system, improving power quality and supply reliability, and promoting the intelligent and standardized upgrade of the system. The main influencing factors such as load characteristics and power supply level, short-circuit current and protection coordination requirements, installation environment conditions, and intelligent monitoring requirements are analyzed in detail in the design of switchgear schemes from four aspects: high-voltage switchgear selection design, low-voltage switchgear configuration design, intelligent integration improvement, and operation and maintenance management mechanism establishment. An optimized path for scheme design and application was proposed, with the aim of providing some reference for the design and management of related projects.

KEYWORDS

High and low voltage switchgear; Power supply system; Scheme design; Intelligentization; Operations and maintenance management

CITE THIS PAPER

Wang Daohong. Design and Application of High and Low Voltage Switchgear in Factory Power Supply and Distribution Systems. Journal of Electrotechnology, Electrical Engineering and Management (2026). Vol. 9, No.1, 64-71. DOI: http://dx.doi.org/10.23977/jeeem.2026.090108.

REFERENCES

[1] Li Lian. Analysis and Handling of Common Faults of High-Voltage Switchgear in Power Supply and Distribution systems [J]. Science & Technology of Enterprises,2018,(9):172-173.
[2] Fu Xuelian. Application of CAD System in the Preparation of Production Technology for High and Low Voltage switchgear Manufacturing [J]. Scientist (Junior),2016,4(5):39-52.
[3] He Jiping, Wang Kecheng. Selection of low-voltage switchgear for petrochemical plants [J]. Mechanical & Electrical Information,2011,(21):72-73.
[4] Wang Jun, Guo Jun. Application of CAD system in Technical Preparation for high and low voltage switchgear production [J]. Anhui Electric Power,1997,14(4):46-47.
[5] Zhang Hengquan. Correlation Analysis on Improving the Reliability of Control Power Supply for Low-voltage switchgear [J]. Communication Power Supply Technology,2020,37(19):283-285.

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