Tencent Data Center Power Distribution Project, Guizhou
Project Background
Tencent Data Center in Guizhou is China’s first large-scale cave-type data center, undertaking core services including data storage and AI training. Power outages may result in data loss and computing capacity loss, so extremely high reliability requirements are imposed on power supply. Its unique geographic location also raises stringent requirements for anti-condensation performance and maintenance-free operation.
Project Overview
• Commissioning Date: June 2018
• Project Location: Guizhou Province, China
• Products Supplied: Prefabricated atmospheric sealed Natural Air insulated outdoor RMU / Switchgear, atmospheric sealed Natural Air insulated circuit breaker RMU / Switchgear
• Total Equipment Supply: 5 sets, consisting of 19 units
• Manufacturing Cycle: 26 days
• Application Scenarios: Fabricated outdoor enclosure and power distribution room inside the cave.
• Average Annual Humidity: Over 83%, prone to condensation
Solution Description
Due to the special environmental conditions, the outdoor RMU adopts the DB configuration. For the cave core power distribution room, a solution with five circuit breaker units is deployed according to load conditions.
In addition, the outdoor RMU enclosure is made of 304 stainless steel. ASNA switchgear features built-in anti-condensation capability. To further regulate temperature and humidity around the switchgear, heaters and temperature & humidity sensors are installed separately in the cable compartment, near the operating mechanism and within the secondary top cabinet, which can activate automatically in response to environmental changes. The whole system delivers stable and reliable performance with long-term maintenance-free operation, greatly reducing on-site maintenance workload.
Project Outcomes
Since commissioning in 2018, the equipment has maintained stable long-term operation, meeting the special operating conditions and load requirements of the cave facility. The 304 stainless steel enclosure provides corrosion resistance and sustained reliable protection. The zoned automatic temperature and humidity control system works together with the anti-condensation performance of ASNA switchgear to fundamentally mitigate condensation risks inside switchgear cabinets, ensuring reliable operation of switch operating mechanisms and secondary components. The project has achieved its initial objectives and earned high recognition from the client.
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