Technology and Equipment: News, Turbines, Generators, Research and Development, Controls and Automation
Sticky Wickets
Sealing System Reduces Leakage around Turbine Shaft

To reduce water leakage within the turbine-generating unit of its 5-MW Foyers Falls hydro plant, Scottish & Southern Energy PLC in Scotland retrofitted the 12-inch-diameter main shaft with a split-type HydroSele cartridge seal from James Walker & Co.

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Sticky Wickets
Getting a Generator Back in Balance

After several unsuccessful attempts to correct a problem with vibration on one unit at the 93-MW Thompson Falls project, plant personnel adjusted the clearance on the guide bearings. The unit has since operated within acceptable vibration values.

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Generators & Electrical Components

Transformers, switchgear needed for 517.8-MW Garrison in US
... ND Bids in separate solicitations are due March 12 and April 2. The Corps previously planned to take bids by March 5 for the 115-kilovolt generator step-up ...

Corps delays seepage barrier tender for 135-MW Center Hill
... The agency seeks installation of temporary control cables for one generator; replacement of control and low-voltage power cables, switchyard portion of control ...

Turbines & Mechanical Components

Ukraine and World Bank sign Ukraine hydropower rehabilitation loan ...
... The latter will be achieved through the reduction in emissions of greenhouse gases, the installation of nonpolluting turbine runners, and the elimination of ...

Miter gate work needed at Melvin Price Locks and Dam in US
... to build a 92-MW hydroelectric project at the site utilizing 192 modular Hydromatrix turbine-generators in six modules built in six tainter gates and atop the ...

Research & Development

Marine energy hydropower test center expanding workforce as demand ...
... in the next few years, the industry could represent a large source of renewable electricity generation capacity by 2025, according to a report by Pike Research ...

R&D Forum
R&D Forum. EPRI studying how climate policy affects retrofit investments. ... Two Canadian companies recognized for research. Triton Logging Inc. ...

Controls & Automation

Transformers, switchgear needed for 517.8-MW Garrison in US
... of the generator neutral grounding system, installation of a transformer deluge and containment system, replacement of transformer controls and relaying ...

Rehabilitation: Hoover
... In many cases, automation equipment was installed and integrated continuously as new subsystems (protective relays, exciters, governors, or controls) each were ...


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