ES2442782B1 - METHOD OF ESTIMATING THE STATOR RESISTANCE OF ELECTRICAL MACHINES - Google Patents

METHOD OF ESTIMATING THE STATOR RESISTANCE OF ELECTRICAL MACHINES Download PDF

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Publication number
ES2442782B1
ES2442782B1 ES201231099A ES201231099A ES2442782B1 ES 2442782 B1 ES2442782 B1 ES 2442782B1 ES 201231099 A ES201231099 A ES 201231099A ES 201231099 A ES201231099 A ES 201231099A ES 2442782 B1 ES2442782 B1 ES 2442782B1
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Spain
Prior art keywords
stator
sub
electric machine
flow
estimating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
ES201231099A
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Spanish (es)
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ES2442782A1 (en
Inventor
Haizea Gaztañaga Aranzamendi
Francisco Javier Poza Lobo
Andoni LERCHUNDI AZKUE
Argider ARANA DOMINGUEZ
Txomin Nieva Fatela
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CAF Power and Automation SL
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CAF Power and Automation SL
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Publication date
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Priority to ES201231099A priority Critical patent/ES2442782B1/en
Priority to PCT/ES2013/070451 priority patent/WO2014009580A1/en
Publication of ES2442782A1 publication Critical patent/ES2442782A1/en
Application granted granted Critical
Publication of ES2442782B1 publication Critical patent/ES2442782B1/en
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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
    • H02P21/14—Estimation or adaptation of machine parameters, e.g. flux, current or voltage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/34—Testing dynamo-electric machines
    • G01R31/343—Testing dynamo-electric machines in operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Electric Motors In General (AREA)
  • Control Of Ac Motors In General (AREA)
  • Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)

Abstract

Método de estimación de la resistencia de estator de máquinas eléctricas, en donde se calcula un primer valor del flujo de estator ({ps}{sub,s}) mediante un modelo de referencia (Mr) y se calcula un segundo valor del flujo de estator **IMAGEN-01** mediante un estimador de flujo de estator, obteniéndose una señal de error (e) de la diferencia de ambos valores del flujo de estator, y calculándose un nuevo valor de la resistencia de estator (Rs) mediante una reducción temporal de la señal de error (e) cuando se cumple la condición:#****IMAGEN-02****#siendo,#T{sub,em} el par electromagnético de la máquina eléctrica;#{rh} el número de pares de polos de la máquina eléctrica;#{dl}R{sub,s_max} el máximo error de estimación de la resistencia de estator;#{oe}{sub,s} la pulsación eléctrica de alimentación de la máquina eléctrica,#i{sub,s} la corriente de estator de la máquina eléctrica.Method of estimating the stator resistance of electric machines, where a first value of the stator flow ({ps} {sub, s}) is calculated using a reference model (Mr) and a second value of the flow of Stator ** IMAGE-01 ** by means of a stator flow estimator, obtaining an error signal (e) of the difference of both values of the stator flow, and calculating a new value of the stator resistance (Rs) by means of a temporary reduction of the error signal (e) when the condition is met: # **** IMAGE-02 **** # being, # T {sub, em} the electromagnetic torque of the electric machine; # {rh} the number of pairs of poles of the electric machine; # {dl} R {sub, s_max} the maximum error of stator resistance estimation; # {oe} {sub, s} the electrical pulse of power of the electric machine , # i {sub, s} the stator current of the electric machine.

Description

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Claims (1)

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ES201231099A 2012-07-13 2012-07-13 METHOD OF ESTIMATING THE STATOR RESISTANCE OF ELECTRICAL MACHINES Active ES2442782B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES201231099A ES2442782B1 (en) 2012-07-13 2012-07-13 METHOD OF ESTIMATING THE STATOR RESISTANCE OF ELECTRICAL MACHINES
PCT/ES2013/070451 WO2014009580A1 (en) 2012-07-13 2013-07-02 Method for estimating the stator resistance of electrical machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201231099A ES2442782B1 (en) 2012-07-13 2012-07-13 METHOD OF ESTIMATING THE STATOR RESISTANCE OF ELECTRICAL MACHINES

Publications (2)

Publication Number Publication Date
ES2442782A1 ES2442782A1 (en) 2014-02-13
ES2442782B1 true ES2442782B1 (en) 2014-09-24

Family

ID=49915446

Family Applications (1)

Application Number Title Priority Date Filing Date
ES201231099A Active ES2442782B1 (en) 2012-07-13 2012-07-13 METHOD OF ESTIMATING THE STATOR RESISTANCE OF ELECTRICAL MACHINES

Country Status (2)

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ES (1) ES2442782B1 (en)
WO (1) WO2014009580A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110661465A (en) * 2019-08-21 2020-01-07 珠海格力电器股份有限公司 Servo motor pole pair number detection method, driver and system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103269199B (en) * 2013-05-22 2015-02-18 电子科技大学 Electric car induction motor torque current setting device
CN111224603B (en) * 2020-02-21 2021-09-14 珠海格力电器股份有限公司 Compressor direct torque control method and device, compressor device and air conditioning equipment

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1697308A (en) * 2004-05-13 2005-11-16 卢骥 Closed loop control method of stator magnetic linkage in use for variable frequency speed control of asynchronous motor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110661465A (en) * 2019-08-21 2020-01-07 珠海格力电器股份有限公司 Servo motor pole pair number detection method, driver and system
CN110661465B (en) * 2019-08-21 2021-06-18 珠海格力电器股份有限公司 Servo motor pole pair number detection method, driver and system

Also Published As

Publication number Publication date
WO2014009580A1 (en) 2014-01-16
ES2442782A1 (en) 2014-02-13

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