hydraulic generator Articles
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Modelling of the hydro-generator local network operation and load disturbance rejection
The paper describes models of the local network operation of the hydraulic turbine-generator unit. Two different models are proposed. They describe the dynamic behaviour of a system in which the unit is connected to an equivalent system. A nonlinear model of the interconnection to an equivalent power system is considered. An optimal controller for load disturbance rejection in water turbine speed ...
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Douglas redevelopment - Case study
The Douglas generating station owned and operated by Multistream Power Corporation is located on the Bonnechere River in Douglas, Ontario. The plant originally operated three 630 mm axial flow turbines as well as one Francis unit. The redevelopment project involved replacing the four existing units with six new 800 mm vertical axial flow units, two Kaplan and four propeller units, raising the ...
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Boba and Las aarias hydro - Case study
The Canal Boba and Las Barias Hydro projects were developed by the local Dominican utility with the Montreal engineering firm of Dessau Soprin. CHC provided two identical water-to-wire equipment packages, each including a 1250 mm axial flow Kaplan turbine, 900 kW/450 RPM synchronous generator hydraulic power unit and switchgear, controls and protection package. The projects were commissioned ...
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Namewaminikan hydro development - Case study
Two new generating stations, Long Rapids and Twin Falls, located on the Namewaminikan River in Northern Ontario were commissioned in the spring of 2017. CHC provided a total of four 1850 mm axial flow Kaplan turbines with synchronous generators and hydraulic power units. The Namewaminikan hydro development has a combined output of 10 MW. The Namewaminikan hydro project was optimized to reduce ...
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Livermore Falls Hydro - Case study
Located on the Androscoggin River in Maine, the Livermore Falls hydro project required the installation of a turbine unit that would meet government minimum flow requirements on the river. CHC provided a water-to-wire equipment package which included a 1500 mm axial flow propeller turbine along with generator, hydraulic power unit, switchgear and controls to comply with the minimum flow ...
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McLeod dam hydro - Case study
The McLeod Dam is one of six dams on the Moira River in Belleville, Ontario, Canada, owned and operated by the Quinte Conservation Association. This dam was constructed in the late 1970’s for the primary purpose of ice and flood control. In 2008, the dam was retrofitted for the secondary purpose of power generation. CHC supplied a water-to-wire equipment package consisting of two (2) ...
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Higley generating station - Case study
The Higley generating station was built in 1913 and is located on the Raquette River in the State of New York. The original plant contained threeFrancis turbines producing just over 4 MW of power. In 2002, a new plant was constructed next to the existing plant, for which CHC provided four 1500 mm axial flow turbines – two propeller and two Kaplan. The existing units remained in service ...
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Twin falls hydro redevelopment - Case study
Commissioned in the Spring of 2016, this new 9.2 MW powerhouse, located on the Menominee River on the border of Wisconsin and Michigan, houses two vertical 2500 mm axial flow Kaplan turbines with 4600 kW / 240 rpm synchronous generators, hydraulics and unit controls provided by CHC. The new plant and spillway were built to replace the original generating station constructed in 1912, which was in ...
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45 Mile Hydro Project - Case Study
Apple Inc. Culver, Or The computer and electronics giant, Apple, Inc. is the owner of a small hydroelectric plant in Culver, Oregon, which it operates as part of its ongoing commitment to power its resources exclusively with green energy. CHC provided the equipment to the developer, EBD, and commissioned the plant in 2015. The equipment package included three 900 mm axial flow ...
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Conception and optimization of a membrane electrode assembly microbial fuel cell (MEA-MFC) for treatment of domestic wastewater
A membrane electrode assembly (MEA) for microbial fuel cells (MEA-MFC) was developed for continuous electricity production while treating domestic wastewater concurrently. It was optimized via three upgraded versions (noted α, β and γ) in terms of design (current collectors, hydrophilic separator nature) and operating conditions (hydraulic retention time, external resistance, aeration rate, ...
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Tulloch 3rd unit addition - Case study
Located on the Stanislaus River in central California, the Tulloch Dam operates two vertical Francis units for a combined output of 18 MW. Commissioned in 2012, CHC provided an additional 1650 mm conventional Kaplan turbine-generator set which was added on the low level outlet of the dam, and which produces over 6.7 MW of additional power using the water that spills over the dam. The complete ...
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The Function of Vacuum Oil Purifier
The function of the Vacuum Oil Purifier is actually to remove the impurities in the oil and to purify the new oil. Not only does the waste oil after use need to reach a certain standard when it is discharged again, but many new oils also need to be purified before using. In order to protect the use of equipment, improve efficiency, etc. During use, lubricating oil, hydraulic oil, transformer ...
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The Stats on Fracking: The Real Numbers of Hydraulic Fracturing
Hydraulic fracturing, sometimes referred to as “fracking,” is among the largest and most influential trends in the global energy sector today. By injecting highly pressurized fluid into underground formations containing oil and natural gas, hydraulic fracturing makes it possible to exploit fossil fuel reserves that were previously too expensive or too difficult to reach with more ...
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Optimizing Water Management in Hydraulic Fracturing for Shale Oil and Gas Production
Centralized treatment of wastewater is emerging as a viable solution for long-term efficiency in managing water sourcing and wastewater treatment in hydraulic fracturing. The number of hydraulic fracturing (fracking) shale oil and gas wells in the United States continues to increase. Within the Bakken Shale formation alone, in North Dakota and Montana, upwards of 15,000 hydraulic fracturing ...
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