DOE and OEM working on next-generation wind turbines
February 13, 2012 by Paul Dvorak
Filed under Business issues, Turbine Design, Wind Power News, Wind Turbine Controls, Wind Turbine Installation
Excerpt: The public-private partnership will develop innovations that will enhance the capabilities and performance of advanced wind systems in tapping the vast potential of this renewable energy resource and ultimately bring the nation closer to 20% wind energy by 2030. Gamesa and NREL will colla …
Modular equipment synchronously activates high-V circuit breakers
February 9, 2012 by Paul Dvorak
Filed under Electrical Systems, Wind Power News, Wind Safety, Wind Turbine Controls
Excerpt: The SynchroTeq is a modular system used to synchronously activate high-voltage circuit breakers. It can control a brand of breakers on the market. When using a SynchroTeq system, there is no requirement for switching resistor banks, therefore reducing expenses related to auxiliary chambers. It a …
Sodar measures wind speeds up to 700m up
February 8, 2012 by Paul Dvorak
Filed under Site assessments, Turbine Sensors, Wind Power News
Excerpt: The 2000 series SoDARs are intended as high-altitude sensors. These use three parabolic dishes in three separate enclosures. The 2000 series can operate in lower power consumption mode, pulsing each antenna at different time intervals. Or, they can be configured to sample all three beams simulta …
Improving electrical efficiency a $30 billion market
February 7, 2012 by Paul Dvorak
Filed under Business issues, Electrical Systems, Wind Power News
Excerpt: A supplier of power generation and energy-deli equipment says the first step in the integration of its acquisition of Converteam is to rename it Power Conversion. The company's skill in process controls, automation, and high-efficiency power electronics, motors, and generators will let the compa …
Investing in capacitor banks
February 6, 2012 by Paul Dvorak
Filed under Electrical Systems, Power storage, Wind Power News, Wind Turbine Controls
Excerpt: Voltage regulation and volt ampere reactive (VAR) compensation wield the most influence over the efficiency of a power distribution system, according to Sergio Arellano, product line manager with Thomas & Betts. “The fastest way to improve the efficiency of power distribution is to install …
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 …
