Six pole/eight pole single-phase motor

Kirschbaum, Herbert S

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Title: Six pole/eight pole single-phase motor

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Abstract

A single phase alternating current electric motor is provided with a main stator winding having two coil groups which are connected to form eight poles for eight-pole operation and to form six poles for six-pole operation. Each group contains four series connected coil elements with each element spanning approximately one-seventh of the periphery of the machine. The coil groups are spaced 180 mechanical degrees apart such that each end coil of one group overlaps one of the end coils of the other group. An auxiliary stator winding having two coil groups with the same relative angular displacement as the main stator winding coil groups is included.

Inventors:

Kirschbaum, Herbert S ^[1]

Asheville, NC

Issue Date:: 1984-01-01

Research Org.:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

OSTI Identifier:: 865114

Patent Number(s):: 4463303

Assignee:: Westinghouse Electric Corp. (Pittsburgh, PA)

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

H - ELECTRICITY H02 - GENERATION H02P - CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS

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H - ELECTRICITY H02 - GENERATION H02K - DYNAMO-ELECTRIC MACHINES
H02K17/06 - having windings arranged for permitting pole-changing

H - ELECTRICITY H02 - GENERATION H02P - CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS
H02P25/20 - for pole-changing

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DOE Contract Number:: W-7405-ENG-26

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: six; pole; eight; single-phase; motor; single; phase; alternating; current; electric; provided; main; stator; winding; coil; connected; form; poles; eight-pole; operation; six-pole; contains; series; elements; element; spanning; approximately; one-seventh; periphery; machine; spaced; 180; mechanical; degrees; apart; overlaps; coils; auxiliary; relative; angular; displacement; included; six pole; angular displacement; series connected; stator winding; electric motor; alternating current; single phase; main stator; phase alternating; phase motor; pole operation; current electric; /318/310/

Citation Formats


                    Kirschbaum, Herbert S. Six pole/eight pole single-phase motor.  United States: N. p., 1984. 
        Web.

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                    Kirschbaum, Herbert S. Six pole/eight pole single-phase motor.  United States.

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                    Kirschbaum, Herbert S. Sun .  
        "Six pole/eight pole single-phase motor".  United States.  https://www.osti.gov/servlets/purl/865114.

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@article{osti_865114,

  title        = {Six pole/eight pole single-phase motor},

  author       = {Kirschbaum, Herbert S},

  abstractNote = {A single phase alternating current electric motor is provided with a main stator winding having two coil groups which are connected to form eight poles for eight-pole operation and to form six poles for six-pole operation. Each group contains four series connected coil elements with each element spanning approximately one-seventh of the periphery of the machine. The coil groups are spaced 180 mechanical degrees apart such that each end coil of one group overlaps one of the end coils of the other group. An auxiliary stator winding having two coil groups with the same relative angular displacement as the main stator winding coil groups is included.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1984},

  month        = {1}

}

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