Superconducting cables closer to commercialization
February 3, 2012 by Paul Dvorak
Filed under Business issues, Cables, Electrical Systems, Transmission, Wind Power News
Excerpt: A developer of high temperature superconducting (HTS) materials and associated technologies says General Cable Superconductors Ltd. (GCS) has completed testing of STI's second generation (2G) HTS wire. General Cable Superconductors, a HTS continuously transposed cable provider in New Zealand, develo …
Large aperture design makes it easy to monitor circuit to 1,200A
February 1, 2012 by Paul Dvorak
Filed under Cables, Electrical Systems, Turbine Sensors, Wind Power News
Excerpt: The DT Series Large Aperture Current Transducers combines a hall effect sensor and signal conditioner into a single package for use in dc-current applications up to 1,200 amps. Factory calibrated ranges simplify operation and eliminate zero and span pots. Industry standard 4 to 20 mA, 0 to 5 Vdc …
Hydrogen-vehicle fueling station the 4th station order of 2011
February 1, 2012 by Paul Dvorak
Filed under Electrical Systems, Power storage, Wind Power News
Excerpt: The developer and manufacturer of hydrogen generation and fuel cell products has announced a contract with Ballast Nedam IPM, awarded at the end of December 2011, to supply a HySTAT30 electrolyzer for integration into a Netherlands' based hydrogen fueling station. The owner of the fueling statio …
Electricity Distribution 101
January 30, 2012 by Kathleen Zipp
Filed under Utility Grid, Wind Basics
Excerpt: The technology for reaching the goal of energy independence is available today. The only thing lacking is a strong national energy policy and a modern electric transmission grid. The U.S. operates about 164,000 miles of highvoltage electric transmission lines. These are divided into five grid …
Report examines demand for consumer power storage
January 30, 2012 by Paul Dvorak
Filed under Business issues, Electrical Systems, Power storage, Wind Power News
Excerpt: This report comes from Amsterdam-based ASDReports. The growing consumer demand for a reliable energy storage has resulted in a series of inventions in the energy-storage market. In recent years, significant progress has been made in in advanced batteries, fuel cells, flywheels, and ultracapac …
LED obstruction light for renewable energy applications
January 25, 2012 by Kathleen Zipp
Filed under Lighting, Wind Power News
Excerpt: Ohio-based obstruction light manufacturer Hughey & Phillips (H&P) has a new LED obstruction light for longer-lasting, more efficient fixtures, specifically in the renewable energy industry. H&P says their Horizon low-intensity products offer a solution for FAA L-810 steady burning li …
Obstruction lights 101
January 24, 2012 by Kathleen Zipp
Filed under Lighting, Wind Basics
Excerpt: Flashing warning lights on turbine nacelles are mostly for the benefit of aircraft flying at night. The lights have progressed from incandescent to LEDbased units. The features of several recent lights show advanced systems. One model of obstruction light comes in a one-piece mount. An intern …
Simulation-design software for transformers and reactors
January 23, 2012 by Paul Dvorak
Filed under Electrical Systems, Transformers, Turbine Design, Wind Power News
Excerpt: Developing new generations of transformers and line reactors is said to simplify and accelerate thanks to a software toolbox from the Vector Fields Software product line of Cobham Technical Services. A 3D Transformer Environment (TE3D) provides a graphical user interface for quickly designing tr …
Web-based software sizes linear motion equipment
January 20, 2012 by Paul Dvorak
Filed under Drives, Electrical Systems, Mechanical Components, Wind Power News
Excerpt: The latest version of a company’s web-based linear motion-system sizing and selection software, Linear Motioneering 2.0, lets OEM and factory automation users optimize machine design and operation by walking them through an intuitive process that delivers the data necessary to make a logical s …
Motors & Drives 101
January 20, 2012 by Kathleen Zipp
Filed under Drives, Wind Basics
Excerpt: Large electric motors in the nacelle power hydraulic pumps, power the blowers for cooling, turn the nacelle, and pitch the blades. Pitch drives can be electric or hydraulic, although hydraulic units seem prevalent on utility-sized wind turbines. Smaller fractional-hp motors are found on a variety of …
