Stator ground protection elements, sensitive directional power elements and under/over frequency protection are included. The SEL-300G can monitor off-frequency operating time accumulation in up to six off-nominal frequency bands. The SEL-300G is said to meet the needs of many users, including utility and industrial power plants.
MAGMASOFT PLATINUM CASTINGS GENERATOR
The SEL-300G relay combines a suite of sensitive accurate generator protection elements with an exceptional monitoring package, plus optional current differential and synchronism checking functions. Schweitzer’s first relay for generator protection will be on show at Hydrovision. The new technologies applied will serve to increase performance. GE Hydro has been working on the design and manufacture of the units since the contract award in 1993 and has applied technologies learned from other sites with machines of similar rating. There are very few sites in the world with the power and speed combination of this set. The first of six 333MVA 18kV 500rpm generator-motor units began rotational tests in late May this year and it is performing well. The company claims a customer base for this product that includes: US Bureau of Reclamation US Army Corps of Engineers Pacific Gas & Electric Niagara Mohawk Power Consolidated Hydro Ontario Hydro Duke Power and Los Angeles Water District.Ĭommissioning activities have begun at the Tianhungping pumped storage station for East China Power. RRS Industries offers the Tuffloat log/debris boom and boat restraining barrier. It can be custom-built to provide any output voltage. ABB says the Powerformer design brings other benefits: reduced maintenance costs, greater network stability and more reliable performance during periods of short-term power overload. The Powerformer generates electricity at voltage of 20-400kV, using advanced cable technology to generate high voltage electricity directly, making a transformer and related equipment unnecessary. This allows maintenance personnel to select the best repair activity for hydrogenerator stator windings.ĪBB’s Powerformer is claimed to be the first generator able to supply directly to the high voltage network, without the need for transformers.
MAGMASOFT PLATINUM CASTINGS PORTABLE
Iris offers both portable monitoring (PDA-IV) and continuous monitoring (GenGuard) systems, and the company has introduced AdvanceView, a sophisticated graphics software package, to help users interpret results and identify failure mechanisms. The PDA partial discharge test is used to evaluate the condition of stator winding insulation.
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Greenplus will feature hydraulic fluid, grease, industrial gear oils, chain saw bar lubricant, wire rope lubricant, line shaft turbine fluid and form release agent.
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The company says they have high natural viscosity and stability, and are superior lubricants that can improve the performance levels of machinery, reduce costly downtime and ultimately increase productivity. The products do not contain petroleum, heavy metals or synthetics. According to Greenland, Greenplus lubricants are non-toxic to the environment and safe for operating and maintenance staff, and are also rapidly biodegradable. The Greenplus range of environmentally safe, vegetable oil based lubricants will be demonstrated at Hydrovision by Greenland Corporation. The company says its technical expertise helps provide customers with cost-effective concurrent engineering using pro-engineer and magmasoft solidification modelling. The acquisitions exemplify CSF’s investment in technology to maintain its position as market leader. For dimensional control, the company says the acquisition of a portable 12ft articulating arm will shortly complement its new Leica TDM5000 theodolite three-axis measuring unit. The company recently acquired new technology and has added a new metal analyser for iron and steel (AR元460) and a new sulphur determinator (LECO CS4000) to its range. Canadian Steel Foundries supplies steel castings to the power generation energy and other high technology companies worldwide.