Renewable Grid Initiative Launched in Europe

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Excerpt: Transmission system operators in Europe and nongovernmental organizations there have formed the Renewables-Grid-Initiative (RGI). It will call for a mandate for energy regulators to spur development of a European grid that can transmit power from wind farms and other renewable generators. "The Renew …

Cleanfield Energy adds Smart controls to turbines

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Excerpt: A 3.5kW vertical-axis wind turbine is said to produce clean, reliable energy for residential and commercial applications. The system can mount on flat rooftops, as well as traditional towers and poles. The V3.5 from Cleanfield Energy, Ancaster, Ontario, Canada, can be installed without the need to c …

Lapp introduces high performance tray cable for wind turbine

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Excerpt: Florham Park, NJ – Lapp, introduces its highest-performance UL-listed tray cable, OLFLEX® FORTIS. This product meets UL-1277 tray cable requirements, as well as providing industry-leading oil resistance and coldtemperature performance. It is also rated as a CSA tray cable (CSA C22.2 No. 230). …

Design changes in new electrical transformer

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Excerpt: The manufacturer of a dry electrical transformer has developed a cost-effective general purpose, encapsulated-transformer line for commercial applications.  Designated the HPS Fortress by developer Hammond Power Solutions, Baraboo, WI, the designs feature a NEMA 3R rated enclosure and are encapsula …

Complete smart grid solution

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Excerpt: Providing utility companies with a reliable, accurate and energy-efficient smart grid solution for electricity line monitoring, Optisense Network, Inc. has selected Texas Instruments Incorporated's embedded processing and analog technology as the preferred solution for its primary measuring units (P …

Moog slip rings replace an existing design

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Excerpt: A recent slip ring design, which is also a direct replacement for the pitch-control slip ring on GE 1.5 MW series wind turbine, comes from Moog, East Aurora, NY. The AC7008 slip ring provides reliable transmission of power and data signals for the rotating blades from the control system. The …

Slip rings for wind turbines

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Excerpt: Moog Components Group has announced the introduction of a new slip ring that is a direct replacement for pitch control slip rings on the GE 1.5 MW series wind turbines. The AC7008 slip ring provides reliable transmission of power and data signals from the nacelle to the control system for the …

Turning vibration into useful dc voltage

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Excerpt: The Joule-Thief energy harvesting modules and demonstration kits are first-of-its-kind random vibration dc power supplies. The design, from AdaptivEnergy, Hampton Roads, Virginia, scavenges and converts ambient mechanical energy, such as vibration and impact events, into a standard dc voltage. Other …

Mouser Electronics now stocks tiny TI temperature sensor

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Excerpt: Mouser Electronics Inc. is now stocking the Texas Instruments TMP112 digital temperature sensor with SMBus and two-wire serial interface. It requires no external components and is capable of reading temperatures to a resolution of 0.0625°C. The TI TMP112 digital temperature sensor allows up …

Yaw and pitch drives for wind turbines

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Excerpt: Series 700T slew drives from Bonfiglioli USA, Hebron, Kentucky, come in 13 sizes with output as high as 70,000 Nm thanks to planetary gearing with up to three stages. Output shaft with integral pinion rides on wide-span, high-load bearings. A robust housing features low or raised mounting flange. In …