Warm-up of the low-pressure cylinder of the turbine
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May I ask, is the warming-up process for the high-pressure and low-pressure cylinders of a turbine the same? The high-pressure cylinder gains temperature directly from steam, while does the low-pressure cylinder gain temperature from steam or from the blowdown effect?
For industrial steam turbines, the use of steam for warming up allows for control over the steam flow rate and adjustment of the temperature rise rate; manufacturers generally provide instructions for using the turbines.
I believe steam is drawn from the high-pressure cylinder and introduced into the steam seal chamber of the low-pressure cylinder; please correct me if I’m wrong!