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Security surveillance system of CS Vocational Technical Coll

Time: 2022-11-02 Hit: 54

Project Background

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CS Vocational Technical College is located at hilly terrain in Hunan CS. It is subtropical zone continental climate with abundant rainfall, four seasons, the annual thunderstorm days between 34.9 ~ 71.3 days, and it belongs to high minefield.


The college’s lightning protection design of security monitoring system is not perfect, and it was located in lightning strike prone areas, power supply system, monitoring system, network data system of security monitoring has suffered different extent losses due to lightning strike.

Design of lightning protection scheme

After receiving customer’s demand, WPX do a field visit to the school environment. Security surveillance cameras are widely distributed, the gathering image has a long monitoring distance when transmit to centre computer room, transmission lines and outdoor equipment are vulnerable to suffer lightning strike.

After know the detailed reason for the damage of the equipment, WPX made overall integrated lightning protection scheme which include sports field monitoring area, teaching area monitoring, dormitory area monitoring and other areas, according to each region’s power supply system, monitoring system, data interchange system, WPX also customized few surge protectors, and finished the installation & arrangement of integrated lightning protection system with the cooperation of college’s staff.

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On site installation pictures

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Surge protection equipments configuration table

Serial NoNames of SPDSPD  ModelNumberMounting location spec.
1Class B power supply modular surge protectorWPX-MPA120-385/3+N1Main distribution cabinet
2Class C power supply modular surge protectorWPX-MPA40-385/3+N6Regional distribution cabinet, monitoring center computer room
3Socket surge protectorWPX-SPA104-1.810Center computer room, monitoring data interchange box
4Network surge protectorWPX-BHSA-24R2-52Monitoring center computer room
5Network surge protectorWPX-BSHA-16R2-54District monitoring system data interchange box
6Network surge protectorWPX-BSHA-8R2-510District monitoring system data interchange box
7Telephone surge protectorWPX-BLSA-T2-1102The guard telephone, modem
8GroundingGrounding8Grounding for surge protective device in each area

Effect of lightning protection system

Since the surge protective device installation, it has experienced two thunderstorm seasons, security monitoring system is running well. Learned from customer’s feedback, all electrical equipment did not suffer lightning damage after installed surge protectors.


Worktime:8:00 ~ 17:00

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