Prime-mover dynamo plants – Turbogenerators
Patent
1976-08-11
1978-08-22
Schaefer, Robert K.
Prime-mover dynamo plants
Turbogenerators
415 1, 415 17, F15B 106
Patent
active
041091604
ABSTRACT:
In a control system for a hydroelectric power station system including upper and lower water reservoirs connected through a water channel, an intermediate water reservoir having a smaller storage capacity than those of the upper and lower reservoirs and provided on the water channel in cascade with the upper and lower reservoirs, and two power stations disposed between the upper and intermediate reservoirs and between the intermediate and lower reservoirs, respectively, the control system is arranged such that the water level of the intermediate reservoir is detected continuously and the detected value of the water level is used to correct the load instructions which are applied to the power stations for controlling outputs of the power stations whereby the water level of the intermediate reservoir is maintained substantially constant, while the power generation of the power stations is controlled so as to satisfactorily meet with the load instruction applied to the power system.
REFERENCES:
patent: 2646812 (1953-07-01), Rheingans et al.
patent: 2724082 (1955-11-01), Hornfeck
patent: 3600595 (1971-08-01), Yasunobu
Araki Masanobu
Goto Masuo
Ishikawa Haruo
Isono Akira
Takakusagi Tunehiko
Hitachi , Ltd.
Redman John W.
Schaefer Robert K.
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