China Southern Power Grid Community Capacity Expansion in Longhua, Shenzhen
China Southern Power Grid
This China Southern Power Grid community capacity expansion project in Longhua District, Shenzhen, involved upgrading the original 800KVA transformer to a 1600KVA unit along with replacement of all supporting low-voltage cabinets and busbars. The critical project constraint was that the transformer and low-voltage cabinets had to be replaced and restored to full operation within a single day to minimize community power disruption. Yanghua's flexible busbar was directly selected over dense busbar alternatives because it eliminated the need for advance measurement and factory prefabrication. The flexible busbar could be cut to exact length on-site after equipment positioning, installed immediately, and energized the same day. This enabled rapid power restoration and minimized downtime for the residential community.
Project Background & Challenges
The community transformer upgrade from 800KVA to 1600KVA required complete replacement of transformers, low-voltage cabinets, and busbars within a single day to avoid extended power outages for residents. Dense busbar solutions would require pre-installation measurement, factory fabrication lead time, and multiple installation days — incompatible with the one-day restoration window.
- Mandatory single-day transformer replacement and power restoration deadline for community service continuity
- Dense busbar solutions requiring pre-measurement, factory fabrication, and multi-day installation — incompatible with schedule
- Transformer capacity doubling from 800KVA to 1600KVA requiring higher-rated busbar connections
- Residential community environment demanding minimal disruption and rapid return to normal power supply
Solution
Yanghua's flexible busbar was selected for its on-site cut-to-length capability, eliminating the need for advance measurement and factory prefabrication. The busbar was cut to exact length after equipment positioning and energized immediately, enabling same-day power restoration for the community.
- Deployed Yanghua flexible busbar with on-site cut-to-length capability, eliminating factory prefabrication lead time
- Busbar could be measured, cut, and installed in sequence on the same day after equipment was positioned
- Rapid connection process enabled immediate power-on after installation completion on the same day
- Flexible routing accommodated the new equipment layout without requiring custom-fabricated busbar sections
Project Results
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