Energy generation sensors
Energy generation sensors

Safe and reliable energy generation

The distribution of power to a large number of individual systems and the direct influence of extreme environmental factors place stringent requirements on the quality of the components used. Whether for renewable energy or conventional energy generation, Balluff sensors and systems deliver convincing performance with excellent safety, robustness and reliability.

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Application examples

  • Controlling gas turbine diverters

    Dynamic control of gas flow diverters

    The solution

    Diverters guide gas turbine fumes either to the bypass chimney or to the steam generator. Hydraulic systems with our integrated Micropulse magnetostrictive linear position sensors gradually open and close these gas flow diverters. They operate dynamically, are compact and can also be used in a potentially explosive area.

    The features

    • Hazardous location rated versions for use in the potentially explosive areas
    • Compact design
    • High-performance, absolute feedback suitable for closed-loop servohydraulic applications
    Controlling gas turbine diverters
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  • Controlling exhaust flaps in power plants

    Safe operation of power plants with reliable exhaust flap control

    The solution

    Flaps ensure a reliable workflow in power plants and monitor fumes or exhaust gases. Robust hydraulic cylinders with our BTL magnetostrictive linear position sensors ensure that the flaps used are opened and closed reliably and on time. They support the smooth operation of power plants.

    The features

    • Wide operating temperature range for outdoor use
    • Can be installed in the cylinders
    • Reliable, precise, and absolute position feedback
    Controlling flaps in power plants
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  • Valve position feedback for hazardous locations

    Hydraulic actuator position feedback for control and shutoff valves

    The solution

    Balluff's magnetostrictive linear position sensors are used in servo-hydraulic systems in nearly every industry. The special requirements of hazardous locations in oil & gas extraction, transportation, refining, and petrochemical processing require sensing products designed to withstand harsh environmental conditions, while at the same time meeting the certification and agency approval requirements of jurisdictions around the globe.

    The features

    • Flameproof / Explosion-proof protection method
    • Non-contact, wear-free operation for long service life
    • NEC, CEC, ATEX, IEC, and many other international approvals
    Monitor quick-action shutoff control valve
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  • Tracking the sun with parabolic troughs

    Precise position detection for high efficiency

    The solution

    For high efficiency, all troughs in the parabolic trough power plant have to be continuously adjusted to follow the sun's path and be focused exactly on the receiver tubes. Our BML magnetic encoders are located right on the rotating shaft and allow for precise position detection.

    The features

    • Direct measurement
    • Precise position detection
    • Determining reference points
    Precise position detection at parabolic trough power plants for higher efficiency
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  • Adjusting guide and rotor blades of Kaplan turbines

    Optimum adjustment of impeller to water volume

    The solution

    With the help of our BTL magnetostrictive linear position sensors, you can flexibly adjust the guide and rotor blades of Kaplan turbines. A BTL profile controls the exact position of the guide blades depending on how much water is to flow into the turbine. In addition to this, our BTL magnetostrictive linear position sensors are integrated into the shaft to adjust the blades of the impeller to the various flow volumes.

    The features

    • No reference run required after voltage interruption
    • Rugged, non-contacting
    • High protection class
    • Pressure-rated for installation inside hydraulic cylinders
    Adjusting guide and rotor blades of Kaplan turbines
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  • Hydraulic pitch control for turbine blades

    High-reliability position feedback for pitch control cylinders

    The solution

    Reliable turbine blade pitch control is essential for speed regulation, peak energy production, and safe operation. An extensive worldwide installed base is testament to the dependability of Balluff's magnetostrictive linear position cylinder sensors. These hydraulic pitch control sensors undergo rigorous in-house destructive testing during development. Analysis of test specimens reveals potential high-stress failure modes, which are subsequently designed out of the final product. Balluff's expertise in developing robust linear position sensors has lead turbine manufacturers the world over to trust Balluff as the preferred hydraulic pitch control sensor supplier.

    The features

    • Non-contact, wear-free operation for long service life
    • Pressure-resistant to 600 bar
    • Developed to withstand high levels of shock, vibration, and thermal stress
    Efficient wind power plants through adaptation to wind conditions
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