en.Wedoany.com Reported - The Zeku line bay construction project of the 750 kV Yunshan substation at China's Maerdang hydropower station was constructed by the Maerdang Branch Company. It recently completed startup commissioning and was officially energized and put into operation. After the project is put into operation, it will enhance the transmission capacity of the power grid and optimize the regional grid structure.

To ensure the project was put into operation on schedule and with high quality, the Maerdang Branch Company played a coordinating role, consolidated the responsibilities of all parties, and led the establishment of a multi-party collaboration mechanism. By clarifying task divisions, detailing milestone plans, and holding regular progress meetings, it overcame challenges such as complex construction organization, frequent cross-operations, and difficult on-site coordination, ensuring the construction pace was orderly and controllable. During the construction process, the Maerdang Branch Company strictly enforced safety and quality standards, conducting full-process supervision of safety measure implementation and standardized operations. From civil construction to equipment installation, wiring techniques, SF6 gas detection, and high-voltage testing, multiple rounds of hazard investigation, plan review, technical disclosure, and on-site supervision were carried out to ensure the project quality was flawless. Faced with challenges such as the harsh high-altitude working environment, dense operating equipment within the station, tight power outage windows, and complex cross-operations, the project department of the Maerdang Branch Company proactively liaised with dispatching departments and power quality supervision stations. By optimizing construction plans, scientifically coordinating outage schedules, and comprehensively allocating manpower and material resources, it overcame objective constraints and ensured the smooth progress of key processes. During the commissioning and acceptance phase, staff paid close attention to details, strictly implemented data review and defect closed-loop management, ultimately achieving "first-time test qualification, first-time acceptance approval, and first-time successful commissioning."

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