METHOD FOR CONTROLLING A HYDRAULIC POWER PLANT

The invention relates to a control method for a hydraulic unit (1) comprising a variable-speed turbine (300) that drives an electric generator (210), comprising: -having a minimum characteristic rotational speed law of the turbine; -making the hydraulic unit operate with an initial electrical power...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LUSCAN, Bruno, DAMM, Gilney, RODRIGUES, Janailson, BENCHAIB, Abdelkrim
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PRODUCING MECHANICAL POWER WEAPONS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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Beschreibung
Zusammenfassung:	The invention relates to a control method for a hydraulic unit (1) comprising a variable-speed turbine (300) that drives an electric generator (210), comprising: -having a minimum characteristic rotational speed law of the turbine; -making the hydraulic unit operate with an initial electrical power setpoint value; -retrieving a value for the water height at the inlet (300); -retrieving a new electrical power setpoint value (Pec) greater than the initial value; -transforming the new electrical power setpoint value (Pec) into a characteristic mechanical power (P11); -for said characteristic mechanical power (P11), determining the minimum rotational speed ncrit for the turbine (300); -controlling the hydraulic unit (1) so as to deliver an electrical power equal to the new setpoint value (Pec) and so as to keep the rotational speed of the turbine (300) above the determined minimum rotational speed ncrit.