Effect of Pressure Relief Valves on the Fluid Transients in the Penstocks of a Small Run of River Plant

2015-11-20
Samet, Dursun
Bozkuş, Zafer
Dinçer, Ali Ersin
It is essential that hydropower plants be operated safely under all conditions. Commonly, engineers design the penstocks of such power plants for negative and/or positive pressure surges, making sure that the penstocks neither will burst nor collapse under adverse flow conditions. The primary goal of this study is to present the test results of an existing run-of-river plant whose penstocks are protected with pressure relief valves near the turbines. Numerical simulations of unprotected system were also performed to compare its results with the test results for various scenarios. It is observed that relief valves are effective in decreasing the turbine runaway speed. However, improper operation of these valves, say rapid opening or closing patterns of these valves may cause secondary water hammer.
Citation Formats
D. Samet, Z. Bozkuş, and A. E. Dinçer, “Effect of Pressure Relief Valves on the Fluid Transients in the Penstocks of a Small Run of River Plant,” presented at the 12th International Conference on Pressure Surges, Fluid Transients and Water Hammer, 18 - 20 Kasım 2015, Dublin, İrlanda, 2015, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/80765.