en.Wedoany.com Reported - The steam turbine of Unit 2 at the Pannan 2×660MW Low-Calorific Value Coal Comprehensive Utilization Power Generation Project of Panzhou Power Generation Company successfully reached its rated speed for the first time, smoothly accelerating to 3000r/min and maintaining stable operation at 2:36 AM on June 4. This milestone marks the official entry of the unit into the core phase of the overall start-up and commissioning process, laying the foundation for subsequent grid connection and the 168-hour full-load trial operation.

Stable maintenance of the turbine at rated speed is a core prerequisite for grid-connected power generation of thermal power units and a key indicator for verifying the effectiveness of equipment installation and commissioning. To ensure a successful first-time speed-up, Panzhou Power Generation Company organized multiple meetings with all construction parties and relevant units to finalize the commissioning plan, refine operational procedures, systematically review conditions, implement checks and technical briefings, and conduct in-depth inspections and assessments of equipment status to ensure all systems met the requirements for the speed-up process.

During the speed-up process, which lasted approximately two hours, Panzhou Power Generation Company deployed multiple personnel to continuously monitor key aspects and indicators such as equipment operating status and steam quality, ensuring that Unit 2 smoothly passed through stages including low-speed inspection, medium-speed warm-up, and high-speed stabilization, successfully reaching and maintaining the rated speed of 3000 revolutions per minute.

Following a joint inspection and confirmation by multiple parties, all systems of the unit were found to be operating smoothly, safely, and reliably, with no abnormalities such as equipment failures, leaks, or protective actions detected. All operating parameters of the Unit 2 turbine, including eccentricity, shaft vibration, bearing temperature, vacuum, and oil pressure, met or exceeded the required standards.

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