Control scheme for power modulation of a free piston Stirling engine

Dhar, Manmohan

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Title: Control scheme for power modulation of a free piston Stirling engine

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Abstract

The present invention relates to a control scheme for power modulation of a free-piston Stirling engine-linear alternator power generator system. The present invention includes connecting an autotransformer in series with a tuning capacitance between a linear alternator and a utility grid to maintain a constant displacement to piston stroke ratio and their relative phase angle over a wide range of operating conditions.

Inventors:

Dhar, Manmohan ^[1]

Schenectady, NY

Issue Date:: 1989-01-01

OSTI Identifier:: 867132

Patent Number(s):: 4873826

Assignee:: Mechanical Technology Incorporated (Latham, NY)

Patent Classifications (CPCs):: F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02G - HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS

H - ELECTRICITY H02 - GENERATION H02K - DYNAMO-ELECTRIC MACHINES

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F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02G - HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS
F02G1/0435 - {the engine being of the free piston type}
F02G1/045 - Controlling
F02G2254/30 - using solar radiation
F02G2258/80 - having magnetic properties
F02G2270/80 - Engines without crankshafts
F02G2275/00 - Controls
F02G2280/10 - Linear generators

H - ELECTRICITY H02 - GENERATION H02K - DYNAMO-ELECTRIC MACHINES
H02K35/00 - Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
H02K7/1884 - {structurally associated with free piston engines}

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DOE Contract Number:: DFN3-372

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: control; scheme; power; modulation; free; piston; stirling; engine; relates; free-piston; engine-linear; alternator; generator; connecting; autotransformer; series; tuning; capacitance; linear; utility; grid; maintain; constant; displacement; stroke; ratio; relative; phase; angle; wide; range; operating; conditions; piston stirling; piston stroke; relative phase; phase angle; operating conditions; wide range; stirling engine; free piston; operating condition; power generator; utility grid; free-piston stirling; control scheme; linear alternator; power modulation; /60/290/

Citation Formats


                    Dhar, Manmohan. Control scheme for power modulation of a free piston Stirling engine.  United States: N. p., 1989. 
        Web.

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                    Dhar, Manmohan. Control scheme for power modulation of a free piston Stirling engine.  United States.

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                    Dhar, Manmohan. Sun .  
        "Control scheme for power modulation of a free piston Stirling engine".  United States.  https://www.osti.gov/servlets/purl/867132.

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@article{osti_867132,

  title        = {Control scheme for power modulation of a free piston Stirling engine},

  author       = {Dhar, Manmohan},

  abstractNote = {The present invention relates to a control scheme for power modulation of a free-piston Stirling engine-linear alternator power generator system. The present invention includes connecting an autotransformer in series with a tuning capacitance between a linear alternator and a utility grid to maintain a constant displacement to piston stroke ratio and their relative phase angle over a wide range of operating conditions.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1989},

  month        = {1}

}

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