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Water hammer issues in refurbishment of a high-head hydropower plant equipped with Francis turbine [Elektronski vir]Bergant, Anton ...Refurbishment and upgrading of ageing hydropower plants contribute to increase of renewable energy share in modern electrical grid systems. The potential increase of discharge and flexibility of load ... variation may result in much higher dynamic loads on both refurbished and non-refurbished plant components during transient operating events. First, water hammer control strategies are outlined including operational scenarios, surge control devices, redesign of the pipeline components, or limitation of operating conditions. Water hammer models and solutions are briefly discussed in the light of their capability, availability and uncertainty. The core of the paper is devoted to investigations of water hammer effects in a high-head hydropower plant Piva, Montenegro which is currently in the final phase of refurbishment. The flow-passage system of the Piva HPP is comprised of the intake structure, followed by three parallel penstocks each with Francis type water turbine at the downstream end. The outlet part starts with three parallel draft tubes that are connected to a common lower orifice-type surge tank followed by tailrace tunnel and outlet structure. Computed and measured results for a selected emergency shut-down (ESD) of one turbine form full-load are compared and discussed. Then the validated computational model is used for simulation of ESDs for a wide operating range.Vir: 31st IAHR Symposium on Hydraulic Machinery and Systems [Elektronski vir] : 26/06/2022 - 01/07/2022, Trondheim, Norway (Str. 1-9)Vrsta gradiva - prispevek na konferenciLeto - 2022Jezik - angleškiCOBISS.SI-ID - 126749699
Avtor
Bergant, Anton |
Ješe, Uroš, strojnik |
Mavrič, Rok, strojnik |
Mazij, Jernej |
Nikolić, Z., strojnik |
Karadžić, Uroš
Teme
visokotlačne hidroelektrarne |
obnova |
Francisove turbine |
izravnalniki |
vodni udar |
high-head hydropower plants |
refurbishment |
Francis turbines |
surge tanks |
water hammer
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Bergant, Anton | 03923 |
Ješe, Uroš, strojnik | 38688 |
Mavrič, Rok, strojnik | 36237 |
Mazij, Jernej | 31779 |
Nikolić, Z., strojnik | ![]() |
Karadžić, Uroš | ![]() |
Vir: Osebne bibliografije
in: SICRIS
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