Aiming at the problem of low frequency deexcitation during load rejection of a power station,the low-frequency phenomenon during load rejection of Kaplan turbine is analyzed,and avoids the low-frequency phenomenon during load rejection by optimizing the minimum no-load opening limit of guide vane.At the same time,the field test of the optimized unit is carried out.The effectiveness of this method for low frequency during load rejection of Kaplan turbine is verified,which provides technical support for turbine's safe and stable operation.
关键词
轴流转桨式机组/甩负荷/低频现象/安全稳定
Key words
Kaplan turbine/load rejection/low frequency phenomenon/safety and stability
维普
万方数据