From Xi'an to Kenya, recently, the technical team of Xi'an Xu&hui Company traveled 8,000 kilometers to the front line of the Kenyan project, bringing "breakthrough" practical training on cable fault detection to local power engineers, using Chinese technology to solve the problems of power operation and maintenance in Africa.
Indoor Training Teaching
66kV Cable Fault Detection Training Site
11kV Cable Fault Detection Training Site
"Where is the fault point?" - This is the most troublesome problem that Kenyan engineers have faced when they encounter underground cable failures. Traditional detection methods are time-consuming and have large errors, and often require digging several kilometers of cable trenches for investigation. The Xuzhihui team broke through with the "three-step method":
Accurate judgment: Through high-frequency current coupling technology, quickly lock the faulty cable phase;
Smart viewing: Use adaptive filtering equipment to eliminate soil clutter interference and clearly capture the fault waveform;
Final confirmation: Combine the step voltage method with the acoustic magnetic synchronous locator to compress the fault point error to within 0.5 meters.
Precision detection configuration
Technical adaptation in tropical climate: Why the Chinese solution can win Kenya has high temperature and heavy rain, and the soil is highly corrosive, which poses a great threat to the insulation layer of buried cables. Xuzhihui's product advantages are highlighted: Equipment advantages: The detection instrument has a moisture-proof shell that adapts to high-intensity field operations; Strong functionality: It has tropical soil resistivity compensation function to reduce environmental data deviation; Maintenance secrets: Teaching localized operation and maintenance skills such as "pre-detection of micro-damage of the insulation layer before the rainy season".
This training is not only the transfer of equipment and methods, but also the implementation of China's power testing standards overseas: the establishment of Kenya's first underground cable fault database to achieve traceability of historical faults; the construction of a remote diagnosis platform to achieve 24-hour technical linkage between the Chinese and Kenyan teams.
"We are transforming from students to partners." A representative of Kenya Power Company said that in the future, it is planned to incorporate Xuzhihui's solution into the operation and maintenance standard system.
Let every meter of cable "speak" Xi'an Xu&hui said: "Our goal is not only to solve faults with products, but also to transform cable operation and maintenance from "passive repair" to "active prevention" through intelligent detection." With the continuous integration of technologies such as AI diagnosis and Internet of Things monitoring, this "cable revolution" that began in Kenya may light up the future of power grids in more "Belt and Road" countries.
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