1
Patrick A March: Method and apparatus for monitoring hydroelectric facility maintenance and environmental costs. Hydro Resource Solutions, Foley & Lardner, December 3, 2002: US06490506 (43 worldwide citation)

A system for monitoring maintenance information in a hydroelectric power generation facility comprises sensors coupled to a controller. The sensors detect actual levels of operating parameters for a desired operating period at an operating condition. The detected parameters include a stressor capabl ...


2
Patrick A March: Method and apparatus for monitoring a hydroelectric facility trash rack and optimizing performance. Tennessee Valley Authority, Foley & Lardner, July 31, 2001: US06269287 (10 worldwide citation)

A system and method are provided for monitoring trash rack fouling in a turbine facility. The trash rack monitoring system includes sensors for detecting apparent gross head, flow rate, and effective gross head. The head values are used to select performance curves representative of historical turbi ...


3
Patrick A March, Richard K Fisher Jr: Control system for enhancing fish survivability in a hydroelectric power generation installation. Hydro Resource Solutions, Foley & Lardner, March 19, 2002: US06357389 (4 worldwide citation)

A system for controlling a hydroelectric power production facility includes sensors for detecting the presence of fish adjacent to the facility. A controller linked to the sensors controls the orientation of control surfaces associated with a turbine/generator set to enhance the survivability of fis ...



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