CN107834928A - Diesel locomotive asynchronous machine flux linkage set method - Google Patents

Diesel locomotive asynchronous machine flux linkage set method Download PDF

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Publication number
CN107834928A
CN107834928A CN201711186451.9A CN201711186451A CN107834928A CN 107834928 A CN107834928 A CN 107834928A CN 201711186451 A CN201711186451 A CN 201711186451A CN 107834928 A CN107834928 A CN 107834928A
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China
Prior art keywords
points
frequency
bus
udc8
bar voltage
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CN201711186451.9A
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CN107834928B (en
Inventor
霍雨翔
于森林
邹会杰
李学亮
高永军
詹哲军
牛剑博
张吉斌
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CRRC Yongji Electric Co Ltd
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CRRC Yongji Electric Co Ltd
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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
    • H02P21/141—Flux estimation
    • 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
    • H02P21/22—Current control, e.g. using a current control loop
    • 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
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
    • 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
    • H02P2207/00—Indexing scheme relating to controlling arrangements characterised by the type of motor
    • H02P2207/01—Asynchronous machines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

Abstract

The present invention relates to motor flux linkage set technology, specially diesel locomotive asynchronous machine flux linkage set method.Solve the problems, such as in existing diesel locomotive asynchronous machine flux linkage set method by electric current loop PI item saturations in the vector controlled caused by actual bus voltage is relatively low.The flux linkage set method is realized by following steps：（One）When any frequency fr points are more than rated frequency f2 points；（Two）When any frequency fr points are between the switching frequency f1 points of rated frequency f2 points and low regime and middling speed area；（Three）When any frequency fr points are between low regime and the switching frequency f1 points in middling speed area and zero.Flux linkage set method of the present invention can realize that asynchronous machine reduces magnetic linkage when busbar voltage is relatively low, reach the purpose for preventing electric current loop PI item saturations.

Description

Diesel locomotive asynchronous machine flux linkage set method
Technical field
The present invention relates to motor flux linkage set technology, specially diesel locomotive asynchronous machine flux linkage set method.
Background technology
Diesel locomotive trailer system is mainly made up of main and backup generator, traction rectification cabinet, traction inverter cabinet, traction electric machine. Full-vehicle control unit controls main and backup generator exciting current and diesel engine speed to export three-phase alternating current according to controller handle gear Voltage, DC voltage is exported through traction rectifier device, the adjustable alternating voltage of three-phase voltage to frequency is transformed into by inverter, to traction electricity Machine is powered, so as to complete traction control.
Diesel locomotive establishes different DC bus-bar voltages according to different handle gears and motor speed.Dc bus electricity It is pressed in change in a wide range of and proposes new requirement to the flux linkage set technology of asynchronous motor control.
Prior art is to set corresponding magnetic linkage respectively according to controller handle gear.Before rated point, magnetic linkage be with Fixed value corresponding to gear；After rated point, magnetic linkage is according to " 1/wr inverse proportion weak magnetics method " weak magnetic.When motor operation is in a certain shelves During position, if actual bus voltage is relatively low, magnetic linkage is constant, and magnetic linkage is relatively bigger than normal, so easily causes electric current in vector controlled Ring PI item saturations vector controlled caused by fails.
The content of the invention
The present invention is solved in existing diesel locomotive asynchronous machine flux linkage set method caused by actual bus voltage is relatively low Vector controlled in electric current loop PI item saturations the problem of, there is provided a kind of diesel locomotive asynchronous machine flux linkage set method, this method Magnetic linkage is reduced when busbar voltage is relatively low, reaches the purpose for preventing electric current loop PI item saturations.
The present invention adopts the following technical scheme that realization：Diesel locomotive asynchronous machine flux linkage set method, is by as follows What step was realized：
（One）When any frequency fr points are more than rated frequency f2 points
1）The DC bus-bar voltage Udc8_f2 of the controller handle highest gear of collection or acquisition rated frequency f2 points（Specified frequency DC bus-bar voltage Udc8_f2, Udc7_f2 ... Udc1_f2 of each gear of controller handle of rate f2 points are known）；
2）Gather the DC bus-bar voltage Udc_fr of any frequency fr points；
3）The magnetic linkage Phir of any frequency fr points is：
Wherein, K=1/Udc8_f2；
（Two）When any frequency fr points are between the switching frequency f1 points of rated frequency f2 points and low regime and middling speed area
1）Collection or obtain the controller handle highests of rated frequency f2 points, lowest gear DC bus-bar voltage Udc8_f2, Udc1_f2, and the controller handle highest of the switching frequency f1 points in low regime and middling speed area, the DC bus-bar voltage of lowest gear Udc8_f1、Udc1_f1（Low regime and the DC bus-bar voltage of each gear of controller handle of the switching frequency f1 points in middling speed area Udc8_f1, Udc7_f1 ... Udc1_f1 are known）；
2）Gather the DC bus-bar voltage Udc_fr of any frequency fr points；
3）Calculate the DC bus-bar voltage Udc1_fr of the controller handle lowest gear of any frequency fr points：
4）Calculate the DC bus-bar voltage Udc8_fr of the controller handle highest gear of any frequency fr points：
5）, the DC bus-bar voltage Udc_fr that calculates any frequency fr points converted to the equivalent busbar voltage of rated frequency f2 points Udc_f2：
6）The magnetic linkage Phir of any frequency fr points is：
Wherein, K=1/Udc8_f2；
（Three）When any frequency fr points are between low regime and the switching frequency f1 points in middling speed area and zero
1）Collection or the direct current mother for obtaining the controller handle highest of low regime and the switching frequency f1 points in middling speed area, lowest gear Line voltage Udc8_f1, Udc1_f1；
2）Gather the DC bus-bar voltage Udc_fr of any frequency fr points；
3）The DC bus-bar voltage Udc_fr for calculating any frequency fr points is converted to the equivalent busbar voltage of rated frequency f2 points Udc_f2：
4）The magnetic linkage Phir of any frequency fr points is：
Wherein, K=1/Udc8_f2.
Flux linkage set method of the present invention can realize that asynchronous machine reduces magnetic linkage when busbar voltage is relatively low, reach Prevent the purpose of electric current loop PI item saturations.
The method of the invention completes the plus-minus shelves examination of 1-8 shelves by testing a 425kW asynchronous machine Test and each gear full speed range frequency sweep test.During experiment when busbar voltage is relatively low, vector controlled still can be effective Operation.Demonstrate the feasibility and validity of the method for the invention.
Brief description of the drawings
Fig. 1 is DC bus-bar voltage and motor speed graph of a relation.
Embodiment
Fig. 1 is 1-8 shelves typical DC busbar voltages and Rotational Speed of Asynchronous Motor graph of a relation.Rated frequency f2 points and low regime with The DC bus-bar voltage of each gear of controller handle of the switching frequency f1 points in middling speed area determines in overall system design.F1 is The switching frequency in low regime and middling speed area, f2 are rated frequency, and Udc1_f1 is 1 grade of busbar voltage of speed f1 points, Udc8_f1 For 8 grades of busbar voltages of speed f1 points, Udc1_f2 is 1 grade of busbar voltage of speed f2 points, and Udc8_f2 is the 8 of speed f2 points Shelves busbar voltage.Above parameter is known.Udc_fr is any point fr busbar voltage, and normal value is in 1 and 8 grade of voltage song In the envelope of line.
Diesel locomotive asynchronous machine flux linkage set method, is realized by following steps：
（One）When any frequency fr points are more than rated frequency f2 points
1）The DC bus-bar voltage Udc8_f2 of the controller handle highest gear of collection or acquisition rated frequency f2 points；
2）Gather the DC bus-bar voltage Udc_fr of any frequency fr points；
3）The magnetic linkage Phir of any frequency fr points is：
Wherein, K=1/Udc8_f2；
（Two）When any frequency fr points are between the switching frequency f1 points of rated frequency f2 points and low regime and middling speed area
1）Collection or obtain the controller handle highests of rated frequency f2 points, lowest gear DC bus-bar voltage Udc8_f2, Udc1_f2, and the controller handle highest of the switching frequency f1 points in low regime and middling speed area, the DC bus-bar voltage of lowest gear Udc8_f1、Udc1_f1；
2）Gather the DC bus-bar voltage Udc_fr of any frequency fr points；
3）Calculate the DC bus-bar voltage Udc1_fr of the controller handle lowest gear of any frequency fr points：
4）Calculate the DC bus-bar voltage Udc8_fr of the controller handle highest gear of any frequency fr points：
5）, the DC bus-bar voltage Udc_fr that calculates any frequency fr points converted to the equivalent busbar voltage of rated frequency f2 points Udc_f2：
6）The magnetic linkage Phir of any frequency fr points is：
Wherein, K=1/Udc8_f2；
（Three）When any frequency fr points are between low regime and the switching frequency f1 points in middling speed area and zero
1）Collection or the direct current mother for obtaining the controller handle highest of low regime and the switching frequency f1 points in middling speed area, lowest gear Line voltage Udc8_f1, Udc1_f1；
2）Gather the DC bus-bar voltage Udc_fr of any frequency fr points；
3）The DC bus-bar voltage Udc_fr for calculating any frequency fr points is converted to the equivalent busbar voltage of rated frequency f2 points Udc_f2：
4）The magnetic linkage Phir of any frequency fr points is：
Wherein, K=1/Udc8_f2.

Claims (1)

1. a kind of diesel locomotive asynchronous machine flux linkage set method, it is characterised in that realized by following steps：
（One）When any frequency fr points are more than rated frequency f2 points
1）The DC bus-bar voltage Udc8_f2 of the controller handle highest gear of collection or acquisition rated frequency f2 points；
2）Gather the DC bus-bar voltage Udc_fr of any frequency fr points；
3）The magnetic linkage Phir of any frequency fr points is：
Wherein, K=1/Udc8_f2；
（Two）When any frequency fr points are between the switching frequency f1 points of rated frequency f2 points and low regime and middling speed area
1）Collection or obtain the controller handle highests of rated frequency f2 points, lowest gear DC bus-bar voltage Udc8_f2, Udc1_f2, and the controller handle highest of the switching frequency f1 points in low regime and middling speed area, the DC bus-bar voltage of lowest gear Udc8_f1、Udc1_f1；
2）Gather the DC bus-bar voltage Udc_fr of any frequency fr points；
3）Calculate the DC bus-bar voltage Udc1_fr of the controller handle lowest gear of any frequency fr points：
4）Calculate the DC bus-bar voltage Udc8_fr of the controller handle highest gear of any frequency fr points：
5）, the DC bus-bar voltage Udc_fr that calculates any frequency fr points converted to the equivalent busbar voltage of rated frequency f2 points Udc_f2：
6）The magnetic linkage Phir of any frequency fr points is：
Wherein, K=1/Udc8_f2；
（Three）When any frequency fr points are between low regime and the switching frequency f1 points in middling speed area and zero
1）Collection or the direct current mother for obtaining the controller handle highest of low regime and the switching frequency f1 points in middling speed area, lowest gear Line voltage Udc8_f1, Udc1_f1；
2）Gather the DC bus-bar voltage Udc_fr of any frequency fr points；
3）The DC bus-bar voltage Udc_fr for calculating any frequency fr points is converted to the equivalent busbar voltage of rated frequency f2 points Udc_f2：
4）The magnetic linkage Phir of any frequency fr points is：
Wherein, K=1/Udc8_f2.
CN201711186451.9A 2017-11-24 2017-11-24 Flux linkage setting method for asynchronous motor of diesel locomotive Active CN107834928B (en)

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CN201711186451.9A CN107834928B (en) 2017-11-24 2017-11-24 Flux linkage setting method for asynchronous motor of diesel locomotive

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Application Number Priority Date Filing Date Title
CN201711186451.9A CN107834928B (en) 2017-11-24 2017-11-24 Flux linkage setting method for asynchronous motor of diesel locomotive

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003033098A (en) * 2001-07-06 2003-01-31 Samsung Electronics Co Ltd Method of estimating speed of induction motor and magnetic flux of rotor
CN1651927A (en) * 2004-02-05 2005-08-10 卢骥 On-line observing method for asynchronous motor magetic chain
CN101777868A (en) * 2010-02-02 2010-07-14 北京科技大学 Method and system for driving asynchronous motor servo for robot
EP2544358A1 (en) * 2011-07-08 2013-01-09 ABB Oy Control system for doubly-fed induction machine
US20160226414A1 (en) * 2015-02-03 2016-08-04 Mitsubishi Electric Research Laboratories, Inc. Method and System for Controlling Angular Rotor Speeds of Sensorless Induction Motors
CN106026816A (en) * 2016-07-29 2016-10-12 东南大学 Vector control method of axial magnetic field flux switching type hybrid permanent magnet memory motor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003033098A (en) * 2001-07-06 2003-01-31 Samsung Electronics Co Ltd Method of estimating speed of induction motor and magnetic flux of rotor
CN1651927A (en) * 2004-02-05 2005-08-10 卢骥 On-line observing method for asynchronous motor magetic chain
CN101777868A (en) * 2010-02-02 2010-07-14 北京科技大学 Method and system for driving asynchronous motor servo for robot
EP2544358A1 (en) * 2011-07-08 2013-01-09 ABB Oy Control system for doubly-fed induction machine
US20160226414A1 (en) * 2015-02-03 2016-08-04 Mitsubishi Electric Research Laboratories, Inc. Method and System for Controlling Angular Rotor Speeds of Sensorless Induction Motors
CN106026816A (en) * 2016-07-29 2016-10-12 东南大学 Vector control method of axial magnetic field flux switching type hybrid permanent magnet memory motor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
刘培刚: "基于模糊神经网络无速度传感器异步电机矢量控制研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 *

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