Service firm now offers supply and support for parts from ABB
June 12, 2011 by Paul Dvorak
Filed under Electrical Systems, Maintenance & operations, Wind Power News
Excerpt: A provider of parts and services to the wind-power industry in North America says it will offer service, support and supply of low and medium voltage electrical parts and components from ABB - a global manufacturer of power and automation technologies. The Parts Management Program will be administer …
A fiber optic encoder for on or offshore
June 6, 2011 by Kathleen Zipp
Filed under Electrical Systems
Excerpt: Denmark-based Scancon, a manufacturer of encoders, has introduced a fiber optic encoder for use with wind turbine generators. The Scancon SCH94FO is a heavy-duty encoder offering both incremental and fiber optic output and is ideal for those applications requiring safe signal transmission over l …
More quality measurement with this meter
June 3, 2011 by Kathleen Zipp
Filed under Electrical Systems, Wind Turbine Controls
Excerpt: A manufacturer of industrial meters has developed a model that complies with the IEC 61000-4-30 power quality standard and offers high revenue metering accuracy. Schweitzer Engineering Laboratories, Inc. (SEL) is now taking orders for the SEL-735 Power Quality and Revenue Meter, which begins s …
A motor just for pitch
June 2, 2011 by Paul Dvorak
Filed under Maintenance & operations, Wind Power News, Wind Turbine Controls
Excerpt: Pitch motors have a tough job. They spin around in a turbine hub and must work when it’s hot and cold. They are often on six-month maintenance intervals usually to check their brushes. It’s no wonder they konk-out after a few years. Engineers at Moog have recognized the problem and so dev …
Lightning card tells strength of a hit
June 1, 2011 by Paul Dvorak
Filed under Electrical Systems, Wind Power News, Wind Safety
Excerpt: As part of a complete line of lightning protection and grounding products, manufacturer ERICO offers a lightning registration system for use on operating land and offshore wind turbines. Part of the ERITECH line of facility electrical protection products, this system consists of: • Lightnin …
Fiber optic sensor with immunity and 13-bit res
May 31, 2011 by Kathleen Zipp
Filed under Turbine Sensors
Excerpt: A supplier of automation and motion control products has developed what it says is the world's first commercially-available absolute Fiber Optic Position Sensor (FOPS). Micronor's says its Model MR330 series position sensor is an all-optical design immune to any electro-magnetic interference such …
Custom batteries for wind turbines
May 23, 2011 by Paul Dvorak
Filed under Power storage, Wind Power News, Wind Turbine Controls
Excerpt: A global research and battery manufacturer has introduced a special series of batteries for wind turbines. The LC-WTV and LC-WTP series of batteries are the latest iteration of Panasonic’s Valve-Regulated Lead Acid (VRLA) technology adapted to the specific and demanding needs of wind tur …
What are the lights on top of a wind turbine?
May 20, 2011 by Windpower Engineering
Filed under Electrical Systems, 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 Led-based units. The details of several recent lights show advanced lighting systems. One model of obstruction light comes in a one-piece mount. An i …
What are the different types of motors & drives in wind turbines?
May 20, 2011 by Windpower Engineering
Filed under Drives, Wind Basics
Excerpt: Pitch drives can be electric or hydraulic, although hydraulic units are prevalent on utility-sized wind turbines. Hydraulic pitch controls would use servovalves along with microprocessor-based electronics and one of several network connections, such as CANopen, Profibus, or Ethernet fieldbus inte …
How do wind turbine generators work?
May 18, 2011 by Windpower Engineering
Filed under Wind Basics, Wind Power Generators
Excerpt: The wind industry uses induction and permanent- magnet designs. There are many variations of these two, but in general terms, the induction generator must be spun at about 1,000 rpm or more to produce useful power. It produces current by first generating an electric field by passing alternating curr …
