Double-duct water turbine power generation system

The invention discloses a double-duct water turbine power generation system. The double-duct water turbine power generation system comprises an inner duct, and a water turbine power generation unit isarranged in the inner duct; an outer duct is arranged on the outer side of the inner duct in a sleev...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ZOU SHUYUN, LIU ZHONG, LI FAN, LI WENHAO
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention discloses a double-duct water turbine power generation system. The double-duct water turbine power generation system comprises an inner duct, and a water turbine power generation unit isarranged in the inner duct; an outer duct is arranged on the outer side of the inner duct in a sleeving manner; and a common diffuser is arranged on the water outlet sides of the inner duct and the outer duct. According to the double-duct water turbine power generation system, a double-duct system composed of the inner duct and the outer duct is firstly developed, the outer duct exerts an acceleration function on water flow, accelerated water flow is discharged into the diffuser, multiple beams of high-speed jets are formed in the diffuser, the high-speed jets reduce pressure in the diffuser,water flow of the inner duct is accelerated, and efficiency of the entire power generation system is improved; the double-duct water turbine power generation system comprises variable flap water turbines and a double-stage wa