Eaton expands in China with $1.5M wind power agreement

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Excerpt: Industrial manufacturer Eaton Corporation says it will provide key wind-power technologies to Guodian United Power Technology Co. Ltd., a wind turbine manufacturer in China. The agreement will generate about $1.5 million in revenues annually for the U.S. firm. Eaton’s Hydraulics Group based …

Ultracapacitors backup more wind turbines

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Excerpt: An estimated 60% of new wind turbines now employ electrical blade pitch systems that incorporate ultracapacitors or batteries for pitch control and backup power. Ultracapacitors offer burst power for control systems that enhance the consistency of wind turbines' electrical energy output. The constan …

Connection blocks for high current

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Excerpt: A manufacturer of electrical and electronic components for circuit protection and connections has introduced its UL Listed Thermoplastic 135 Series Power Distribution Blocks. The 135 Series Power Distribution Blocks, from Marathon Special Products, include a high current carrying capacity, wide …

Laser-based wind sensor lets turbines grab more power

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Excerpt: For decades, large utility scale wind turbines have been forced to rely on mechanical wind sensing devices that are mounted on the nacelles of the turbines to measure the wind speed and direction. These signals are fed into the wind turbine control system to adjust the turbine nacelle to …

Slip rings handle up to 60 A

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Excerpt: Electrical slip rings are ready to handle a variety of industrial applications up to 60 A and 5 MW. The electrical devices allow transmitting power and electrical signals from a stationary to a rotating structure. The devices configure easily for power or signal connections. The signal portion of th …

Industrial multipole connectors for tough applications

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Excerpt: New housings for an industrial multipole connector series, revos BASIC and revos MINI, are corrosion resistant and dirt repellent. Their durable and weatherproof surface finish stands out due to its hardness, high temperature resistance (up to 250°C), and easy-to-clean features. The optional finish …

Measuring encoder fits shafts to 2 m

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Excerpt: A modular steel tape rotary encoder is available for shafts with diameters from 6 in. (150 mm) to 6 ft (~2 m). Applications for the MSR 40, an economical ring encoder, include rotary tables and turbine shafts. The steel tape of the MSR 40 uses the Single-Field Scanning principle with 200µm grating …

2.5-MW inverter ready for wind power and photovoltaics

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Excerpt: A 2.5-MW inverter (Generator control unit) is ready for use in large on and offshore wind turbines. The 2.5-MW inverter uses an IGBT-based design and delivers power to the grid from permanent magnet generators (PMG). A U.S.-based OEM is expected to deploy the unit in an offshore European multi-GW wi …

Inductive components ready for offshore inverters in wind turbines

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Excerpt: Electrical chokes for inverters in wind turbines are now approved for use in offshore installations. These inductive components from manufacturer SMP feature low losses, low stray fields, and a compact design. The chokes’ cores consist of powder composites engineered for this application. D …

Many features in one connector

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Excerpt: The recent Han-Yellock connector series is the result of several years of market feedback. The connector design is aesthetically pleasing yet effective in harsh environments. The product combines many features in one connector, most noticeably a new integral lock which uses a patented push butto …