Showing results for: hydropower Articles
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Hydroman™ hydraulic power pack
The hydraulic power pack can be electric motor driven or diesel engine driven. Best option is to use diesel engine driven in order for the whole setup to be used on construction sites without electricity supply. By using hydraulic drive slurry pumps, the maximum torque can be applied through the full speed range of the slurry pump. This is very useful in the applications such as heavy slurry or ...
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Hydro energy: techno-economic and social aspects within new climate regime
Small hydro systems can provide electricity for: central-grid, isolated-grids, and/or remote power supplies. Small hydraulic power also provides an extra contribution to national electrical production in the case of consumption peaks. Although hydro is currently the second most used renewable energy source in the world, still there is a significant unexploited potential. The clean development ...
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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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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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Oil Filter Elimination
The need to state strictly and accurately the procedures for the collection and elimination of car oil filters is a topical subject, due to the injuries to health and environment that would be caused by an inappropriate storage and elimination. According to the Italian law, the expression “exhaust oil” identifies any industrial oil or lubricant with a mineral or synthetic basis which is no more ...
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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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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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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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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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Enerdu plant expansion - Case study
Located in the picturesque town of Almonte, on the North bank of the Mississippi River, the Enerdu redevelopment project involves expanding the footprint of the original powerhouse out into the river to accommodate larger turbines and to increase the plant’s generating capacity by 70%. CHC provided a water-to-wire equipment package including two 2000 mm Axial Flow Kaplan pit units with two ...
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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 increasing role of long-term forecasting of natural factors in energy system management
The paper uses an example from East Siberia to deal with the impact of natural factors on the operation of energy systems (hydraulic and heat power engineering), the methodology and methods of their forecasting, experience of operation of the information-forecasting system and risks to and stability of energy systems during severe natural disturbances (low-water periods on reservoirs, cold ...
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The use characteristics of the combined feeding shotcrete machine
The chassis of the Gengli GLZ-14C self-feeding concrete shotcrete machine is customized according to the construction requirement of the tunnel, applying the idea of platformization development by the senior engineer specially designing Dongfeng chassis. The front and rear axles are both strengthened, and its spare parts have the high interchangeability with that of Dongfeng automobile, which is ...
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Project - 600 KW, NY
Year: 2018 Running Gear: Three units: One vertical shaft Francis turbine with synchronous generator. One horizontal shaft turbine with synchronous generator. One horizontal shaft double-runner turbine with synchronous generator. Scope: Replacement control system, switchgear, and HPU. Black start capability. Located in a small town in the Adirondak mountains in upstate NY, this ...
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Multi–physics modelling of nuclear reactors: current practices in a nutshell
Current practices in the nuclear industry to model the transient behaviour of nuclear reactors are based on the use of different solvers for resolving the different physical fields, and to some extent the different scales. The overall time–dependence is computed by a coarse–mesh neutronic solver coupled to a coarse–mesh thermal–hydraulic solver. The meso–scale information in the thermal–hydraulic ...
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Project - 3.4 MW, NC
Year: 2022 Running Gear: 2 vertical shaft Francis turbines with synchronous generators Scope: Replacement of control system, excitation, and governors Set in a resort town in the mountains of North Carolina, this hydroelectric project was originally constructed in 1925-1926 by a private developer. Its primary purpose was to create a beautiful lake as the centerpiece of a huge resort/real ...
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Project - 1 MW, NC
Year: 2021 Running Gear: 2 Vertical shaft Francis turbines with synchronous generators Scope: Replacement of control system, exciters, and HPUs Originally part of a large cotton mill complex in North Carolina dating back to the 1800s, this 1 MW hydropower plant stayed in operation into the 2000s, longer than the rest of the declining mill town. The cotton mill itself finally shut down in ...
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Boat Slipway Winch: A Crucial Tool in Shipyard Operations
Shipyards are bustling hubs of activity where vessels of all sizes, from small boats to massive cargo ships, are constructed, repaired, and maintained. One essential piece of equipment that plays a pivotal role in shipyard operations is the boat slipway winch. This powerful and versatile tool is indispensable in the handling of boats and ships, making it a cornerstone of efficiency and safety ...
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A Fokker–Planck–Kolmogorov equation approach for the monthly affluence forecast of Betania hydropower reservoir
This paper presents a finite difference, time-layer-weighted, bidirectional algorithm that solves the Fokker–Planck–Kolmogorov (FPK) equation in order to forecast the probability density curve (PDC) of the monthly affluences to the Betania hydropower reservoir in the upper part of the Magdalena River in Colombia. First, we introduce a deterministic kernel to describe the basic dynamics of the ...
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