Abstract:In order to ensure the safety and stability of the new energy power system, many power units will be maintained at low-load state for a long time during peak-load regulation in China. However, the partial arc admission of the nozzle governing mode will cause uneven temperature distribution in the circumferential direction after GS, which will affect real-time thermal stress of the rotor. Toward this end, this paper proposes a real-time evaluation method of thermal stress for rotors in low-load conditions. Firs… Show more
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