What is a Surge Chamber in a Hydropower Project?

In a hydroelectric plant, the flow of water to a turbine must be decreased rapidly whenever there is a sudden drop in load.  This results in high water-hammer pressures and may need a very strong and hence expensive pipe. Surge chambers are used to handle this situation. Typical Definition for a surge chamber can be :- A surge chamber is a vertical standpipe connected to the pipeline (Figure).
Read more