The HP-bypass system between the boiler outlet and cold reheat consists of an HP-bypass control valve, a feedwater stop valve and a water injection valve, for steam attemperation .

高旁路系统由锅炉出口及冷再热之间的高旁路控制阀，水主汽阀和喷水减温阀组成。

By fluviograph survey water level, after clear signal processing, inputs the control water level in PLC, then carries on the control by PLC to the water level control valve to adjust the water level.

由水位计测量水位，进行信后输入控制水位的PLC中，然后由PLC对水位控制阀进行控制以调节水位。