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    Use of Hydraulically Operated PRVs for Pressure Regulation and Power Generation in Water Distribution Networks

    Source: Journal of Water Resources Planning and Management:;2020:;Volume ( 146 ):;issue: 007
    Author:
    Nicola Fontana
    ,
    Maurizio Giugni
    ,
    Luigi Glielmo
    ,
    Gustavo Marini
    ,
    Raffaele Zollo
    DOI: 10.1061/(ASCE)WR.1943-5452.0001234
    Publisher: ASCE
    Abstract: In recent years, power generation has been coupled with pressure regulation to optimize management of water distribution networks, also showing attractive revenues and short payback periods. A recent study proposed a prototype that performs both electric and hydraulic regulation for pressure regulation and hydropower generation in a water distribution network, wherein laboratory experiments showed the effectiveness of the control algorithms and the prototype’s capability in regulating pressure at the desired set-point value while optimizing power production. However, the prototype uses needle valves for flow and pressure regulation, whereas hydraulically operated pressure-reducing valves (PRVs) can be more effective for pressure regulation. Moreover, such PRVs require much less power for operation, thus proving more reliable in case of electrical blackout. Consequently, a different prototype was proposed, which uses hydraulically operated PRVs instead of needle valves. This paper discusses the control algorithm of the system to achieve pressure regulation and optimal power generation. A proportional integral controller was used for PRV control, whereas the inverter control was performed by means of both an external optimization module and dimensionless variables. Laboratory experiments confirmed the effectiveness of the proposed approach and pointed out the effect of the gains on the process dynamics.
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      Use of Hydraulically Operated PRVs for Pressure Regulation and Power Generation in Water Distribution Networks

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    contributor authorNicola Fontana
    contributor authorMaurizio Giugni
    contributor authorLuigi Glielmo
    contributor authorGustavo Marini
    contributor authorRaffaele Zollo
    date accessioned2022-01-30T19:08:39Z
    date available2022-01-30T19:08:39Z
    date issued2020
    identifier other%28ASCE%29WR.1943-5452.0001234.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4264736
    description abstractIn recent years, power generation has been coupled with pressure regulation to optimize management of water distribution networks, also showing attractive revenues and short payback periods. A recent study proposed a prototype that performs both electric and hydraulic regulation for pressure regulation and hydropower generation in a water distribution network, wherein laboratory experiments showed the effectiveness of the control algorithms and the prototype’s capability in regulating pressure at the desired set-point value while optimizing power production. However, the prototype uses needle valves for flow and pressure regulation, whereas hydraulically operated pressure-reducing valves (PRVs) can be more effective for pressure regulation. Moreover, such PRVs require much less power for operation, thus proving more reliable in case of electrical blackout. Consequently, a different prototype was proposed, which uses hydraulically operated PRVs instead of needle valves. This paper discusses the control algorithm of the system to achieve pressure regulation and optimal power generation. A proportional integral controller was used for PRV control, whereas the inverter control was performed by means of both an external optimization module and dimensionless variables. Laboratory experiments confirmed the effectiveness of the proposed approach and pointed out the effect of the gains on the process dynamics.
    publisherASCE
    titleUse of Hydraulically Operated PRVs for Pressure Regulation and Power Generation in Water Distribution Networks
    typeJournal Paper
    journal volume146
    journal issue7
    journal titleJournal of Water Resources Planning and Management
    identifier doi10.1061/(ASCE)WR.1943-5452.0001234
    page04020047
    treeJournal of Water Resources Planning and Management:;2020:;Volume ( 146 ):;issue: 007
    contenttypeFulltext
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