Experimental study on the suppression and extinguishment of UPS control cabinet cable fire by automatic water mist firefighting system

Fire Science and Technology ›› 2026, Vol. 45 ›› Issue (4): 134-139.

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Experimental study on the suppression and extinguishment of UPS control cabinet cable fire by automatic water mist firefighting system

Tian Yongjie¹, Zhang Wei¹, Wu Qiyong¹, Li Longgang¹, Sun Huazhong², Hu Shi², Zhu Xiaolong²

(1. Beijing Institute of Tracking and Telecommunications Technology, Beijing 100094, China; 2. State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei Anhui 230026, China)

Received:2025-02-14 Revised:2025-03-27 Online:2026-04-15 Published:2026-04-15

Abstract

Abstract: This study constructed a simulated experimental platform targeting typical cable fire sources to compare the fire suppression performance of single and dual nozzles arrangement on Uninterruptible Power Supply control cabinets fire. Results indicate that the single nozzle, limited by its coverage range, only extinguished localized fires, while the dual-nozzle system achieved full coverage, suppressing unobstructed cable fires within 60 s. Both spray duration and water consumption complied with the GB 50898—2013. The research validates the applicability of dual-nozzle water mist systems in complex obstructed scenarios, providing an optimized solution for UPS control cabinet fire prevention.

Key words: UPS control cabinet, cable fire, water mist firefighting system, fire suppression efficiency

Tian Yongjie, Zhang Wei, Wu Qiyong, Li Longgang, Sun Huazhong, Hu Shi, Zhu Xiaolong. Experimental study on the suppression and extinguishment of UPS control cabinet cable fire by automatic water mist firefighting system[J]. Fire Science and Technology, 2026, 45(4): 134-139.

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Experimental study on the suppression and extinguishment of UPS control cabinet cable fire by automatic water mist firefighting system

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