Dongguan Languan New Energy Qinshang Rooftop Distributed Photovoltaic Project
Languan New Energy
This project is a distributed photovoltaic installation on a factory rooftop in Dongguan. Due to limited construction space and the high cost and extended timeline associated with traditional solutions requiring numerous joint accessories, the customer selected Yanghua's 1250A and 630A high-current flexible busbars. The busbars were installed from the isolation switch in the photovoltaic grid-connected cabinet to the low-voltage busbar in the power room. The flexible busbar product features minimal accessories, supports long-distance continuous laying without intermediate joints, and offers a compact profile that is easy to route. No pre-design was required; the busbar could be cut and spliced on site according to actual conditions, significantly shortening the construction period and reducing overall project costs.
Project Background & Challenges
The construction space was tightly constrained, and the conventional cabling approach demanded a large number of joint accessories, driving up material costs and extending the construction timeline.
- Extremely limited construction space on the factory rooftop restricting conventional cable routing paths
- Traditional multi-joint cable solutions required extensive connector accessories, inflating material costs and labor hours
- Fixed-length pre-fabricated busbar designs could not accommodate on-site dimensional variations, causing rework delays
- Tight project schedule demanding rapid installation with minimal downtime for the operating factory
Solution
Yanghua deployed 1250A and 630A high-current flexible busbars in a point-to-point integrated laying configuration, enabling long-distance runs without intermediate joints and allowing on-site cutting and splicing to adapt to actual installation conditions.
- Deployed 1250A and 630A high-current flexible busbars with integrated insulation, enabling single-piece long-distance runs without joints
- Eliminated the need for advance design verification by cutting and splicing busbar segments directly on site to match actual routing paths
- Leveraged the compact cross-section and bendable profile of flexible busbars to navigate confined ceiling and wall spaces with ease
- Adopted a point-to-point connection method from the PV grid-connected cabinet isolation switch to the low-voltage busbar, simplifying overall system topology
Project Results
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