Reluctance apparatus for flywheel energy storage

Hull, John R

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Title: Reluctance apparatus for flywheel energy storage

Abstract

A motor generator for providing high efficiency, controlled voltage output or storage of energy in a flywheel system. A motor generator includes a stator of a soft ferromagnetic material, a motor coil and a generator coil, and a rotor has at least one embedded soft ferromagnetic piece. Control of voltage output is achieved by use of multiple stator pieces and multiple rotors with controllable gaps between the stator pieces and the soft ferromagnetic piece.

Inventors:

Hull, John R ^[1]

Downers Grove, IL

Issue Date:: Sat Jan 01 00:00:00 EST 2000

Research Org.:: Argonne National Laboratory (ANL), Argonne, IL (United States)

OSTI Identifier:: 873128

Patent Number(s):: 6097118

Assignee:: University of Chicago (Chicago, IL)

Patent Classifications (CPCs):: H - ELECTRICITY H02 - GENERATION H02K - DYNAMO-ELECTRIC MACHINES

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

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H - ELECTRICITY H02 - GENERATION H02K - DYNAMO-ELECTRIC MACHINES
H02K1/141 - {consisting of C-shaped cores}
H02K19/06 - Motors having windings on the stator and a variable-reluctance soft-iron rotor without windings, e.g. inductor motors
H02K19/24 - with variable-reluctance soft-iron rotors without winding
H02K7/025 - {for power storage}

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
Y02E60/16 - Mechanical energy storage, e.g. flywheels

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DOE Contract Number:: W-31109-ENG-38

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: reluctance; apparatus; flywheel; energy; storage; motor; generator; providing; efficiency; controlled; voltage; output; stator; soft; ferromagnetic; material; coil; rotor; embedded; piece; control; achieved; multiple; pieces; rotors; controllable; gaps; voltage output; energy storage; motor generator; magnetic material; ferromagnetic material; flywheel energy; controlled voltage; multiple stator; /310/

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                    Hull, John R. Reluctance apparatus for flywheel energy storage.  United States: N. p., 2000. 
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                    Hull, John R. Reluctance apparatus for flywheel energy storage.  United States.

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                    Hull, John R. Sat .  
        "Reluctance apparatus for flywheel energy storage".  United States.  https://www.osti.gov/servlets/purl/873128.

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@article{osti_873128,

  title        = {Reluctance apparatus for flywheel energy storage},

  author       = {Hull, John R},

  abstractNote = {A motor generator for providing high efficiency, controlled voltage output or storage of energy in a flywheel system. A motor generator includes a stator of a soft ferromagnetic material, a motor coil and a generator coil, and a rotor has at least one embedded soft ferromagnetic piece. Control of voltage output is achieved by use of multiple stator pieces and multiple rotors with controllable gaps between the stator pieces and the soft ferromagnetic piece.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Sat Jan 01 00:00:00 EST 2000},

  month        = {Sat Jan 01 00:00:00 EST 2000}

}

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Works referenced in this record:

Flywheels on a roll
journal, July 1997

Hull, J. R.
IEEE Spectrum, Vol. 34, Issue 7
https://doi.org/10.1109/6.609810

Low rotational drag in high-temperature superconducting bearings
journal, June 1995

Hull, J. R.; Mulcahy, T. M.; Uherka, K. L.
IEEE Transactions on Appiled Superconductivity, Vol. 5, Issue 2
https://doi.org/10.1109/77.402628

The Rise of VSR Motors
journal, February 1998

Paula, Greg
Mechanical Engineering, Vol. 120, Issue 02
https://doi.org/10.1115/1.1998-Feb-6

Converter Volt-Ampere Requirements of the Switched Reluctance Motor Drive
journal, September 1985

Miller, Timothy J. E.
IEEE Transactions on Industry Applications, Vol. IA-21, Issue 5
https://doi.org/10.1109/TIA.1985.349516

Magnetic levitation
journal, December 1991

Rossing, Thomas D.; Hull, John R.
The Physics Teacher, Vol. 29, Issue 9
https://doi.org/10.1119/1.2343425

An Axial Air-AP Reluctance Motor for Variable Speed Applications
journal, January 1974

Unnewehr, L.; Koch, W.
IEEE Transactions on Power Apparatus and Systems, Vol. PAS-93, Issue 1
https://doi.org/10.1109/TPAS.1974.293956

Flywheel energy storage using superconducting magnetic bearings
journal, July 1994

Hull, John R.; Mulcahp, Thomas M.; Uherka, Kenneth L.
Applied Superconductivity, Vol. 2, Issue 7-8
https://doi.org/10.1016/0964-1807(94)90035-3

Variable-speed switched reluctance motors
journal, January 1980

Lawrenson, P. J.; Stephenson, J. M.; Fulton, N. N.
IEE Proceedings B Electric Power Applications, Vol. 127, Issue 4
https://doi.org/10.1049/ip-b.1980.0034

A permanent-magnet rotor for a high-temperature superconducting bearing
journal, July 1996

Mulcahy, T. M.; Hull, J. R.; Uherka, K. L.
IEEE Transactions on Magnetics, Vol. 32, Issue 4
https://doi.org/10.1109/20.511408

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Similar Records

Title: Reluctance apparatus for flywheel energy storage

Abstract

Citation Formats

Flywheels on a roll journal, July 1997

Low rotational drag in high-temperature superconducting bearings journal, June 1995

The Rise of VSR Motors journal, February 1998

Converter Volt-Ampere Requirements of the Switched Reluctance Motor Drive journal, September 1985

Magnetic levitation journal, December 1991

An Axial Air-AP Reluctance Motor for Variable Speed Applications journal, January 1974

Flywheel energy storage using superconducting magnetic bearings journal, July 1994

Variable-speed switched reluctance motors journal, January 1980

A permanent-magnet rotor for a high-temperature superconducting bearing journal, July 1996

Flywheels on a roll
journal, July 1997

Low rotational drag in high-temperature superconducting bearings
journal, June 1995

The Rise of VSR Motors
journal, February 1998

Converter Volt-Ampere Requirements of the Switched Reluctance Motor Drive
journal, September 1985

Magnetic levitation
journal, December 1991

An Axial Air-AP Reluctance Motor for Variable Speed Applications
journal, January 1974

Flywheel energy storage using superconducting magnetic bearings
journal, July 1994

Variable-speed switched reluctance motors
journal, January 1980

A permanent-magnet rotor for a high-temperature superconducting bearing
journal, July 1996