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US5752910A - Variable threshold setting for rotor ...

US5752910A - Variable threshold setting for rotor ...

The signals of the sensors 32 and 34 are input to a processor/controller 40 which uses the signals to identify the 20 and its maximum safe rating and to determine the actual of the 20 which may be used to control the motor 22 to regulate the of the 20 not to exceed its maximum rating.

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    Wind turbine -

    A wind turbine, or alternatively referred to as a wind energy converter, is a device that converts the winds kinetic energy into electrical energy.. Wind turbines are manufactured in a wide range of vertical and horizontal axis. The smallest turbines are used for applications such as battery charging for auxiliary power for boats or caravans or to power traffic warning signs.

  • Fuel Filter / Water Separator Pump Systems

    Fuel Filter / Water Separator Pump Systems

    Maximum Pump Output at 14 volts / 70 psi 480 kPa / 6.2 amps 40 gph / 151 lph 40 gph / 151 lph 40 gph / 151 lph Pump Output Pressure kPa to 480 kPa 10 to 70 psi 60 kPa to 480 kPa kPa to 480 kPa Standard Fuel Port Size SAE J476 3/8" – 18 npt 3/8" – 18 npt 3/8" – 18 npt

  • CONTROL SYSTEM FOR I NSIDE -OUT CONFIGURAT ION …

    CONTROL SYSTEM FOR I NSIDE -OUT CONFIGURAT ION …

    frequency range from 20% below to 20% above . To avoid resonance and interferenc e with the bearing controller while the flywheel is within its operating range, frequencies of all modes must lie outside this hatched region. The rigid conical mode is seen to come closest to the Operating Range, but

  • Industrial Magnetics, Inc. - Javelin™ Eddy Current Separators

    Industrial Magnetics, Inc. - Javelin™ Eddy Current Separators

    Our Eddy Current are designed from the ground up to provide high recovery rates 97%+ and low operating costs. Eddy Current are ideal for a range of applications, including: MRF Material Recovery Facility’s, C&D, Incineration, Auto shredding, Electronics Recycling and more.

  • SRF for main burners - Lindner

    SRF for main burners - Lindner

    Since the material is already ‘clean’, a secondary shredder or granulator – usually a high- shredding system – is used to shred the material to an size of 10–30 mm. Our high- KOMET series with its shear knives and always precise cut facilitates the highest rates combined with a maximum uptime of up to 24 ...

  • Magnetic Rotor Assemblies - Magnets By HSMAG

    Magnetic Rotor Assemblies - Magnets By HSMAG

    Balancing – some applications require the back-emf generated voltage in each phase to be of equal magnitude to keep the power electronics simpler and lower cost. To allow this, it is possible for the of each to be measured and then the magnets can be assembled onto the so that the total field each phase will see is as equal as possible.

  • Rotor Magnetic Coupling - Magnets - MPCO Magnetics

    Rotor Magnetic Coupling - Magnets - MPCO Magnetics

    Specification Data Coupling Quotation 1. Motor powerKW 2. Motor RPM 3. Torque of the coupling 4. Working pressure of the housing isolation sleeve 5. Working temperature of coupling 6. Connector size of the part usually motor 7.

  • PDF Rotor Integrity Design for a High-Speed Modular Air ...

    PDF Rotor Integrity Design for a High-Speed Modular Air ...

    The total radial and 55mm 47mm 27mm 138MPa 0.260mm 17mm hoop stresses in the retainment ring are expresses as where and R are the Poisson’s ratio and density of the rT r 1 2 2 2 retainment ring respectively, m is the rotational of the Pcont R mo R Ro Ring R Ro R mo 2 2 r 5 3 2 m m2 R Ro R mi Ro 2 mi r 2 , Rmo is the ...

  • PDF Induction Motor Speed Control Using PLC AND SCADA ...

    PDF Induction Motor Speed Control Using PLC AND SCADA ...

    Control from Stator Side V / f control or frequency control -Whenever threephase supply is given to three phase induction motor rotating field is produced which rotates at synchronous given by 2.In three phase induction motor EMF is induced by induction similar to that of transformer which is given by 3.Where, K is the ...

  • What are dc motors and how do definitions vary? Summary ...

    What are dc motors and how do definitions vary? Summary ...

     · No matter the term, there are permanent , shunt, series, and compound-wound brush dc motors. All except the former use two currents: 1. Current through armature windings to interact with a stator field for of mechanical rotation and. 2. Current through stator windings to make the field in question.

  • A Research on the Control System of High-Speed Homopolar ...

    A Research on the Control System of High-Speed Homopolar ...

    3. Mathematical Model of Homopolar Motor. As the of the motor in this paper has the characteristics of the salient pole structure, we built and deduced a unified dynamic mathematical model [6, 7] of the motor in the stator’s three-phase coordinate system based on the basic electromagnetic relationship.And because the counter electromotive force wave and phase current by the ...

  • Manufacturing and Assembly Processes of High Speed Axial ...

    Manufacturing and Assembly Processes of High Speed Axial ...

    assure a rigor design of the rotor, a stress analysis is performed at the design speed of For safe designs, it is required to keep the tensile stress levels in the magnet and in the retainment ring well below their quoted design strengths. If precautions are not considered in the design, the rotor fail may

  • US5423433A - Material separator apparatus - Google Patents

    US5423433A - Material separator apparatus - Google Patents

    A material apparatus having a continuous conveyor belt for support and transportation of materials to be separated and a motor to rotate the conveyor belt. The apparatus includes an electromagnet within the continuous belt to produce a field at the belt. An alternating current drives the electromagnet. This produces a field which in turn induces an eddy current in ...

  • Understanding Alternator Current Output - Engine Builder ...

    Understanding Alternator Current Output - Engine Builder ...

     · pole piece, soft iron for both high range and current. We can’t have both so the best compromise must be found. Rotating harmonics also enter the picture as harmonic oscillations can cause a perfectly balanced to fly apart. Most stock have an ample amount of pole metal due to the mechanical of the .

  • Disc Motors | Machine Design

    Disc Motors | Machine Design

    Disc motors are permanent- stepping motors that exhibit performance comparable to that of hybrid motors. in disc motors are thin typically less than 1-mm discs, unlike the ...

  • PDF Induction and permanent-magnet synchronous machines ...

    PDF Induction and permanent-magnet synchronous machines ...

    Electromagnetic, thermal and mechanical aspects are discussed. The permanent are considered to be the best solution for applications in which the of the remains...

  • US Patent for Centrifugal separator electrically driven by ...

    US Patent for Centrifugal separator electrically driven by ...

     · A centrifugal includes a housing and a rotary vessel having an axis and being attached to the housing for rotation relative to the housing about the axis. Either: a the rotary vessel has one or more magnetisable regions and the housing has one or more electromagnetic windings or b the rotary vessel has one or more electromagnetic windings and the housing has one or more ...

  • Induction Generator: Types & Working Principle | Permanent ...

    Induction Generator: Types & Working Principle | Permanent ...

    If the number of poles doubles, these synchronous speeds are halved. To convert a slow-moving wind turbine to higher speed generally requires adding a gearbox to the system or adding many poles to the generator.

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