CN110398380A - A kind of Electric Motor Wheel vehicle alternating current drive pilot system and method - Google Patents
A kind of Electric Motor Wheel vehicle alternating current drive pilot system and method Download PDFInfo
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- CN110398380A CN110398380A CN201810372980.6A CN201810372980A CN110398380A CN 110398380 A CN110398380 A CN 110398380A CN 201810372980 A CN201810372980 A CN 201810372980A CN 110398380 A CN110398380 A CN 110398380A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/013—Wheels
Abstract
The invention discloses a kind of Electric Motor Wheel vehicle alternating current drive pilot system and methods, system includes: by test system, for carrying out the assembly of elements performance test including diesel engine power characteristic, braking resistor cubicle stopping power, current transformer performance, motor characteristic, and the matching performance of multiple assembly of elements is tested including master control adjusting, adjustment of field excitation, motor control, and the diesel engine including being sequentially connected, generator, subject current transformer, test cabinet and subject motor, and the braking resistor cubicle and traction/brake pedal that are connected with subject current transformer；Test system is accompanied, various performance tests are completed by test system for cooperating, and try motor including accompanying for being sequentially connected, accompany examination current transformer and three-phase regulated power supply.Subject motor is connected by shaft coupling with accompanying between examination motor.It is insufficient, not perfect that the present invention is able to solve the test of existing alternating current driving wheel vehicle component delivery test, can not match and test to vehicle component capabilities, the time-consuming and laborious technical problem of test process.
Description
Technical field
The present invention relates to Semiconductor Converting Technology fields, more particularly, to a kind of fax applied to alternating current drive quarry tipper
Dynamic test system and method.
Background technique
In order to solve conventional mechanical transmission mine dumper load it is too big and and its be easily damaged, maintenance cost is high, occupies
The disadvantages of vehicle space is big, more and more large-scale mine dumpers use alternating current drive control system.Alternating current drive
Dumper substitutes traditional machine driving using High power Traction motor, reduces a large amount of gear transmission unit and mechanical mill
Damage, brings greater flexibility to vehicle spatial design, and improve the operational efficiency of Life cycle.However it is handed in design
When galvanic electricity driving wheel vehicle, each component has delivery test, but not necessarily test it is abundant and perfect, finally only main engine plants assemble
After entire vehicle, the performance of vehicle could be tested.And each component of vehicle is examined whether to be matched to optimum performance, and carry out
The performance test of vehicle, requires the support in road conditions and place, this is undoubtedly time-consuming and laborious.
In the prior art, mainly have following documents related to the present patent application:
Document 1 is that Guangzhou electric power locomotive Co., Ltd applied on October 28th, 2014, and in the public affairs of on February 25th, 2015
It opens, Chinese utility model patent " the comprehensive examination of large-scale mine dumper DC Transmission Electric Motor Wheel of Publication No. CN2014177888U
Test platform ".The utility model discloses a kind of large-scale mine dumper DC Transmission Electric Motor Wheel multi-function test stand, and emphasis, which concentrates on, to be situated between
The test mounting rack of the support that continues direct current driving wheel, and focus on solving such as voltage tester, testing current, oil leak test, solve into
When row different tests project testing, the problem of Electric Motor Wheel need to be carried, the content tested entire power drive system does not almost have
It relates to, and alternating current generator test is totally different from DC motor test system.
Document 2 is that Xiangtan Electric Co., Ltd applied on December 30th, 2013, and on 06 04th, 2014 public affairs
It opens, " a kind of large-scale mine electric power wheel self-discharging vehicle AC Drive is comprehensive for the Chinese utility model patent of Publication No. CN203629836U
Close testing stand ".The utility model discloses a kind of large-scale mine electric power wheel self-discharging vehicle AC Drive multi-function test stand, including power
Assembly system, experiment control system and transmission system, but its load transmission system is direct current generator and load resistance.Total institute's week
Know, direct current generator manufacturing process is complicated, difficult in maintenance, and driving DC motor speed-regulating needs individual set of excitation system.At this
In patent, load system works in damped condition, and braking energy, which is completely consumed, causes the waste of energy in load resistance.Separately
Outside, which can regard an individual dynamical system driving separate unit alternating current generator as, but practical vehicle is a set of power at present
Two or more driving motors of system drive.One, the either power characteristic of diesel-driven generator, or speed regulation spy is operated alone
Property all cannot be verified sufficiently.Finally, the subject transmission system of the patent is not equipped with braking resistor cubicle, it can not be to traction electric machine
Carry out braking characteristic test.
Document 3 is to be permitted peace et al., is published in " science and technology in enterprise and development " the 16th phase in 2011, Vol.16No 310 38
~42 paper " feasibility study of electric power wheel self-discharging vehicle electric powertrain experiment installation " also.The paper is in diesel oil
Mechanical, electrical machine and the vehicle engine assembly of the compositions such as control system, power battery and management system and master controller carry out system
Test platform is established on the basis of test and optimization power distribution control, feasibility analysis is carried out to all parts.Test platform
Electric eddy current dynamometer, but general electric eddy current dynamometer have been selected in load, cannot carry out braking characteristic survey to subject transmission system
Examination.In addition, the energy of dynamometer machine is will be hot by way of water cooling or wind energy when subject driving motor carries out pulling figure test
It can dissipate, cause the loss of energy.
The above patent in the prior art and paper, relate to mine dumper DC Transmission Electric Motor Wheel multi-function test stand
Structure composition, ac test platform structure composition is also related to, but uncorrelated to the innovative point of the present patent application, it can not
It is insufficient, not perfect to solve the test of existing alternating current driving wheel vehicle component delivery test, vehicle component capabilities can not be matched into
Row test, the time-consuming and laborious technical problem of test process
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of Electric Motor Wheel vehicle alternating current drive pilot system and method,
It is insufficient, not perfect to solve existing alternating current driving wheel vehicle component delivery test test, vehicle component capabilities can not be matched
It is tested, the time-consuming and laborious technical problem of test process.
In order to achieve the above-mentioned object of the invention, the present invention specifically provides a kind of Electric Motor Wheel vehicle alternating current drive pilot system
Technic relization scheme, a kind of Electric Motor Wheel vehicle alternating current drive pilot system, comprising: test system and accompanied test system；
It is described by test system include the diesel engine being sequentially connected, generator, subject current transformer, test cabinet and subject motor,
And the Electric Motor Wheel vehicle assembly of elements including the braking resistor cubicle and traction/brake pedal being connected with the subject current transformer；
It is described by test system, include diesel engine power characteristic test, the test of braking resistor cubicle stopping power, current transformer performance for carrying out
Assembly of elements performance test including test, motor characteristic test, and including master control regulation performance, adjustment of field excitation performance, electricity
The matching performance of multiple assembly of elements including machine control performance is tested；
It is described accompany test system include be sequentially connected accompany examination motor, accompany examination current transformer and three-phase regulated power supply；It is described to accompany examination
System described completes various performance tests by test system for cooperating；
The subject motor is connected by shaft coupling with accompanying between examination motor.
Preferably, described to accompany examination motor operation in speed ring mode, the subject motor operation is described to lead in torque mode
Draw/directly given the dtc signal of brake pedal.
Preferably, it is described accompany examination current transformer be the current transformer rectified with four-quadrant.
Preferably, the subject current transformer further includes VCU, the first DCU.
Preferably, it is described accompany examination current transformer further include the 2nd DCU.
Preferably, the Electric Motor Wheel vehicle alternating current drive pilot system includes two groups of test cabinets being sequentially connected, subject
Motor and accompany examination motor.
Preferably, the host computer for accompanying test system to further include and examination current transformer is accompanied to be connected, test system is accompanied in starting, described to accompany
Test system runs on speed control mode, and it is same instruction that the rotational speed setup of examination motor is accompanied by the PC control two.
Preferably, the power spectrum that the Electric Motor Wheel vehicle operation is inputted by the host computer, controls described by test system
With accompany test system joint debugging, with simulate Electric Motor Wheel vehicle electric drive system actual road conditions operation, it includes upper for testing the Electric Motor Wheel vehicle
Slope, descending, zero load, the runnability being fully loaded with including each operating condition.
Preferably, described by test system further includes the excitation system being connected with generator, is started by test system, the subject
The VCU of current transformer starts to be controlled, according to the input signal including traction/brake pedal signal, motor speed signal
The intermediate objective voltage for carrying out the revolving speed control of diesel engine, the power output of generator and subject current transformer gives and torque is given
It is fixed.
Preferably, the first DCU of the subject current transformer controls two quilts according to the torque reference signal that the VCU is issued
The torque reference for trying motor is same instruction.
Preferably, the subject current transformer, traction/brake pedal are given to 100% operation, described to accompany examination current transformer according to quilt
Traction/braking curve of examination motor carries out the property verification of each speed point, and the test cabinet automatically records subject motor at this time
The given torque of each speed point, reality output torque, current of electric, electric moter voltage and be tested current transformer input voltage,
The traction/brake test of subject motor and the control performance test of subject current transformer are completed with this.
Preferably, the traction/brake pedal is described to accompany examination current transformer quick during given 0~100% operation
Velocity scanning is carried out, to verify the dynamic property of the subject current transformer.
Preferably, it is provided with gear-box and torquemeter on the shaft coupling, by fixing in the position of the torquemeter
Shaft coupling, to carry out the locked rotor test of the subject motor.
Preferably, the invariablenes turning speed for accompanying examination current transformer control to accompany examination motor, the subject current transformer are rapidly performed by
Torque reference, the given medium voltage with actual feedback of the intermediate objective voltage of the VCU described in this process observation follow situation, with
Test the control performance of the VCU and excitation system.
Preferably, described to accompany examination current transformer that be tested motor drag to when running to maximum speed point, it is described to accompany examination unsteady flow
Device stops working, and the braking signal value of the traction/brake pedal gives to 100%, records the subject motor from maximum speed
Degree point is down to time of point of zero velocity, passes through the decelerability of this procedural test Electric Motor Wheel vehicle and the verifying braking resistor cubicle
Ability.
Preferably, from load pattern, the inversion function of the subject current transformer is forbidden, described for the subject current transformer selection
The energy of generator output passes through the braking resistor cubicle completely and consumes, and tests the power characteristic of the diesel engine and described with this
The ability of braking resistor cubicle.
Preferably, described that examination current transformer is accompanied to be configured to rated power and long-play, with this to the subject current transformer
Carry out efficiency, temperature rise test.
In addition the present invention also specifically provides a kind of technic relization scheme of Electric Motor Wheel vehicle alternating current drive test method,
A kind of Electric Motor Wheel vehicle alternating current drive test method, comprising the following steps:
S101) test system is accompanied in starting, described that test system is accompanied to run on speed control mode, is accompanied by PC control two
The rotational speed setup for trying motor is same instruction；
S102) by test system, the VCU for being tested current transformer starts to be controlled for starting, believes according to including traction/brake pedal
Number, the input signal including motor speed signal carry out the power output and subject unsteady flow of the revolving speed control of diesel engine, generator
The intermediate objective voltage of device gives and torque reference；
S103) the first DCU of the subject current transformer controls two subjects according to the torque reference signal that the VCU is issued
The torque reference of motor is same instruction；
S104) the subject current transformer, traction/brake pedal are given to 100% operation, accompany examination current transformer according to subject motor
Traction/braking curve carry out the property verification of each speed point, test cabinet automatically records subject motor in each speed at this time
Given torque, reality output torque, current of electric, electric moter voltage and the input voltage for being tested current transformer of point, complete quilt with this
Try the traction/brake test of motor and the control performance test of subject current transformer；
S105) the invariablenes turning speed for accompanying examination current transformer control to accompany examination motor, the subject current transformer, which is rapidly performed by, to be turned
Square is given, and the given medium voltage with actual feedback of the intermediate objective voltage of the VCU described in this process observation follows situation, tests
The control performance of the VCU and excitation system；
S106) described to accompany examination current transformer that be tested motor drag to when running to maximum speed point, it is described to accompany examination current transformer
It stops working, the braking signal value of the traction/brake pedal gives to 100%, records the subject motor from maximum speed
Point is down to the time of point of zero velocity, passes through the decelerability of this procedural test Electric Motor Wheel vehicle and the ability of verifying braking resistor cubicle；
S107) the subject current transformer selection is forbidden from load pattern, the inversion function of the subject current transformer, generator
The energy of output passes through the braking resistor cubicle completely and consumes, with this test diesel engine power characteristic and the braking resistor cubicle
Ability.
Preferably, described that examination current transformer is accompanied to be configured to rated power and long-play step S101)~step S107),
Efficiency is carried out to the subject current transformer with this, temperature rise is tested.
Preferably, in the step S102) in, encouraging for the generator is controlled by given middle dc voltage target value
Magnetic size of current then controls the three-phase alternating current of the generator output, and not by the diode of the subject current transformer
Control rectification is converted into middle dc voltage.
Preferably, examination current transformer is accompanied to input the power spectrum that the Electric Motor Wheel vehicle is run, control to described by host computer
It is described test system and to be accompanied test system joint debugging, to simulate the operation of Electric Motor Wheel vehicle electric drive system actual road conditions, and test the electricity
Driving wheel vehicle includes going up a slope, descending, zero load, the runnability being fully loaded with including each operating condition.
Preferably, in the step S104) given 0~100% operation of traction/brake pedal during, it is described to accompany examination
Current transformer quickly carries out velocity scanning, to verify the dynamic property of the subject current transformer.
By implementing the technical solution of Electric Motor Wheel vehicle alternating current drive pilot system and method that aforementioned present invention provides,
It has the following beneficial effects:
(1) present invention can before the assembling of alternating current drive dumper vehicle, complete entire electricity drive control system test and
Verifying, it is insufficient, not perfect to be able to solve the test of existing alternating current driving wheel vehicle component delivery test, can not be to vehicle what
It can match and be tested, the time-consuming and laborious technical problem of test process；
(2) present invention accompanies test system using bi-motor, can more real simulation operating condition (lead by full speed degree, total power
Draw, braking ability), vehicle performance can be sufficiently verified, each input, output variable (such as electric moter voltage, electric current, power) can be real-time
Overall process automatically records；
(3) pilot system of the present invention is configured according to 1:1 functional unit, can flexibly carry out each unit unit test and more
The matching performance of component is tested, such as: individually test diesel engine power characteristic, braking resistor cubicle stopping power etc.；
(4) present invention accompany test system use the rectification of band four-quadrant (general diode rectification without energy feedback function, four
Quadrant rectification use igbt chip, can be electricity from DC side feedback to grid side) A/C transmission control system (do not need class such as
The independent excitation control system of direct current generator), space occupied is small, and installation maintenance is simple, convenient, efficient, and test system is accompanied to have energy
Feedback function is measured, the direct feedback grid of braking energy is environmentally friendly, energy saving.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described.It should be evident that the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other embodiments are obtained according to these attached drawings.
Fig. 1 is a kind of theory structure block diagram of specific embodiment of Electric Motor Wheel vehicle alternating current drive pilot system of the present invention；
Fig. 2 is a kind of program flow diagram of specific embodiment of Electric Motor Wheel vehicle alternating current drive test method of the present invention；
Fig. 3 is the connection knot of shaft coupling in a kind of specific embodiment of Electric Motor Wheel vehicle alternating current drive pilot system of the present invention
Structure schematic diagram；
In figure: 100- is by test system, 101- diesel engine, 102- generator, and 103- is tested current transformer, 104-VCU, 105- the
One DCU, 106- excitation unit, 107- traction/brake pedal, 108- braking resistor cubicle, 109- test cabinet, 110- are tested motor,
200- accompanies test system, and 201- accompanies examination motor, and 202- accompanies examination current transformer, 203- the 2nd DCU, 204- three-phase regulated power supply, on 205-
Position machine, 300- shaft coupling, 301- gear-box, 302- torquemeter.
Specific embodiment
For the sake of quoting and understanding, will hereafter used in technical term, write a Chinese character in simplified form or abridge and be described below:
IGBT:Insulated Gate Bipolar Transistor, the abbreviation of insulated gate bipolar transistor；
VCU:Vehicle Control Unit, the abbreviation of full-vehicle control unit；
DCU:Drive Control Unit, the abbreviation of drive control unit.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described.Obviously, described embodiment is only
It is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel all other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
As shown in attached drawing 1 to attached drawing 3, the tool of Electric Motor Wheel vehicle alternating current drive pilot system and method for the present invention is given
Body embodiment, the present invention will be further explained below with reference to the attached drawings and specific examples.
Embodiment 1
As shown in Fig. 1, a kind of embodiment of Electric Motor Wheel vehicle alternating current drive pilot system, specifically includes:
By test system 100 and accompany test system 200.
It include the diesel engine 101 being sequentially connected, generator 102, subject current transformer 103, test cabinet 109 by test system 100
With subject motor 110, and with including subject current transformer 103 braking resistor cubicle 108 and traction/brake pedal 107 that are connected
Electric Motor Wheel vehicle assembly of elements.It include diesel engine power characteristic test, braking resistor cubicle braking for carrying out by test system 100
Assembly of elements performance test including aptitude tests, current transformer performance test, motor characteristic test, and including master control modulability
The matching performance of multiple assembly of elements including energy, adjustment of field excitation performance, motor control performance is tested.
Accompany test system 200 include be sequentially connected accompany examination motor 201, accompany examination current transformer 202 and three-phase regulated power supply 204.
Test system 200 is accompanied, various performance tests are completed by test system 100 for cooperating.
Subject motor 110 is connected by shaft coupling 300 with accompanying between examination motor 201.
Examination motor 201 is accompanied to run on speed ring mode, subject motor 110 runs on torque mode, traction/brake pedal
107 directly corresponding given dtc signals.
Accompanying examination current transformer 202 is the current transformer rectified with four-quadrant.Being tested current transformer 103 further includes VCU 104, first
DCU105.Accompanying examination current transformer 202 further includes the 2nd DCU 203.VCU and DCU is two control units in current transformer, in hardware
In mechanism, such as: it can be a lamination cabinet, include input/output IO, analog quantity sampling, logic control and core function
Control；
Include two groups of test cabinets 109 being sequentially connected by test system 100, be tested motor 110 and accompany examination motor 201.Accompany examination
System 200 further includes and accompanies the host computer 205 for trying current transformer 202 and being connected, and starting accompanies test system 200, test system 200 is accompanied to run on
Speed control mode, controlling two to accompany the rotational speed setup of examination motor 201 by host computer 205 is same instruction.
The power spectrum of Electric Motor Wheel vehicle operation is inputted by host computer 205, control is by test system 100 and accompanies test system 200
Joint debugging, to simulate the operation of Electric Motor Wheel vehicle electric drive system actual road conditions, test Electric Motor Wheel vehicle includes going up a slope, descending, zero load, full
Carry the runnability including each operating condition.
It further include the excitation system 106 being connected with generator 102 by test system 100, starting is become by test system 100, subject
The VCU 104 of stream device 103 starts to be controlled, according to the input including traction/brake pedal signal, motor speed signal
Signal carries out the intermediate objective voltage of the revolving speed control of diesel engine 101, the power output of generator 102 and subject current transformer 103
Given and torque reference.It is tested the torque reference signal control two that the first DCU 105 of current transformer 103 is issued according to VCU 104
The torque reference of a subject motor 110 is same instruction.
Current transformer 103, traction/brake pedal 107 are tested to 100% operation, accompanies examination current transformer 202 according to subject motor
110 traction/braking curve carries out the property verification of each speed point, and test cabinet 109 automatically records subject motor 110 and exists at this time
Given torque, reality output torque, current of electric, electric moter voltage and the input voltage for being tested current transformer 103 of each speed point,
The traction/brake test of subject motor 110 and the control performance test of subject current transformer 103 are completed with this.Traction/braking
Pedal 107 accompanies examination current transformer 202 quickly to carry out velocity scanning during given 0~100% operation, is become with verifying subject
Flow the dynamic property of device 103.
Gear-box 301 and torquemeter 302 are provided on shaft coupling 300, by the fixed shaft coupling in the position of torquemeter 302
Device 300, to carry out the locked rotor test of subject motor 110.As shown in Fig. 3, examination motor 201 is accompanied to use between gear-box 301
Shaft coupling 300 connects, and is connected between gear-box 301 to torquemeter 302 using shaft coupling 300, and subject motor 110 arrives torquemeter
It is also connected using shaft coupling 300 between 302.
Accompany examination current transformer 202 control accompany examination motor 201 invariablenes turning speed, subject current transformer 103 be rapidly performed by torque to
It is fixed, situation is followed in the given medium voltage with actual feedback of the intermediate objective voltage of this process observation VCU 104, with test
The control performance of VCU104 and excitation system 106.
Accompany examination current transformer 202 by be tested motor 110 be dragged to run to maximum speed point when, accompany examination current transformer 202 stop
Work, the braking signal value of traction/brake pedal 107 give to 100%, and record subject motor 110 is down to from maximum speed point
The time of point of zero velocity passes through the decelerability of this procedural test Electric Motor Wheel vehicle and the ability of verifying braking resistor cubicle 108.
The selection of current transformer 103 is tested from load pattern, the inversion function of being tested current transformer 103 is forbidden, and generator 102 exports
Energy pass through braking resistor cubicle 108 completely and consume, the power characteristic and braking resistor cubicle 108 of diesel engine 101 are tested with this
Ability.
Accompany examination current transformer 202 to be configured to rated power and long-play, with this to subject current transformer 103 carry out efficiency,
Temperature rise test.
The Electric Motor Wheel vehicle alternating current drive pilot system of the present embodiment description, can be for alternating current drive vehicle rank
Dynamical system test configures simulation vehicle operating condition in strict accordance with 1:1, it is each can more really to test entire electric drive system
The runnability of component.Meanwhile the braking resistor cubicle 108 of entrucking is configured with by test system 100, accompany test system 200 to use
Examination current transformer 202 is accompanied with what four-quadrant rectified in front end, test system 200 can be accompanied not will cause energy to power grid by feedback energy with open arms
The waste of amount.
Embodiment 2
As shown in Fig. 2, a kind of embodiment of Electric Motor Wheel vehicle alternating current drive test method, specifically includes following step
It is rapid:
S101) test system 200 is accompanied in starting, is accompanied test system 200 to run on speed control mode, is controlled by host computer 205
It is same instruction that two, which are accompanied the rotational speed setup of examination motor 201,；Such as after starting, controlling the revolving speed that two are accompanied examination motor 201 is
200r/min；
S102) by test system 100, the VCU 104 for being tested current transformer 103 starts to be controlled for starting, according to include traction/
Input signal including brake pedal signal, motor speed signal carries out the function of the revolving speed control of diesel engine 101, generator 102
The intermediate objective voltage of rate output and subject current transformer 103 is given, and (there are two main function for the tool of subject current transformer 103 in attached drawing 1
Can, one is rectification (i.e. AC/DC), and one is inversion (i.e. DC/AC), by middle dc voltage target value, controls excitation electricity
The size of stream, the output three-phase alternating current for then controlling generator 102 are converted into intermediate dc by diode uncontrollable rectifier
Voltage (actual medium voltage)) and subject current transformer 103 torque reference (traction braking pedal signal 100% correspondence leads
Draw torque capacity or braking torque capacity)；
S103) the torque reference signal that the first DCU 105 of subject current transformer 103 is issued according to VCU 104 is simultaneously to two
A subject motor carries out direct torque, and the torque reference for controlling two subject motors 110 is same instruction (i.e. same torque value)；
S104 current transformer 103, traction/brake pedal 107) are tested to 100% operation, accompanies examination current transformer 202 according to quilt
Try traction/braking curve (i.e. output characteristics of the motor under different voltages grade, and under each speed conditions of motor 110
The level of torque that can be exported) property verification of each speed point is carried out, test cabinet 109 automatically records subject motor 110 at this time
In the given torque of each speed point, reality output torque, current of electric, electric moter voltage and the input electricity for being tested current transformer 103
Pressure (determines what whether torque and size of current provided with producer with the traction/brake test that this completes subject motor 110
Data are consistent) and subject current transformer 103 control performance test (determine direct torque precision whether be in deviation range)；It is leading
Draw/brake pedal 107 given 0~100% in the case where, accompany examination current transformer 202 to be rapidly performed by velocity scanning (such as in 10s
From 100r/min to maximum speed 3600r/min), it may be verified that the dynamic property of subject current transformer 103；In addition in torquemeter 302
Position fix shaft coupling 300, can carry out subject motor 110 locked rotor test；
S105 it) accompanies examination current transformer 202 to control the invariablenes turning speed (such as 1000r/min) for accompanying examination motor 201, is tested current transformer
103 are rapidly performed by torque reference (such as: quickly stepping on traction pedal to 100%, brake pedal to 100%), in this process-based view
The given medium voltage with actual feedback of intermediate objective voltage for surveying VCU 104 follows situation, tests VCU 104 and excitation system
106 control performance；(the subject current transformer 103 in attached drawing 1 has the target medium voltage of this process Observable VCU 104
Two major functions, one is rectification (i.e. AC/DC), and one is inversion (i.e. DC/AC), by middle dc voltage target value,
The size of exciting current is controlled, the output three-phase alternating current of generator 102 is then controlled, passes through diode uncontrollable rectifier, conversion
At middle dc voltage (actual medium voltage))；
S106 it) accompanies examination current transformer 202 to be dragged to subject motor 110 and runs to maximum speed point (such as 3600r/min)
When, accompany examination current transformer 202 to stop working, the braking signal value of traction/brake pedal 107 gives to 100%, and record is tested motor
110 are down to the time of point of zero velocity from maximum speed point (such as 3600r/min), pass through the deceleration of this procedural test Electric Motor Wheel vehicle
Performance and the ability for verifying braking resistor cubicle 108；
S107) selection of subject current transformer 103 is from load pattern, and the inversion function of being tested current transformer 103 is forbidden, generator
The energy of 102 outputs passes through braking resistor cubicle 108 completely and consumes, and the power characteristic and braking resistor of diesel engine 101 are tested with this
The ability of cabinet 108.
Examination current transformer 202 is accompanied to be configured to rated power and long-play above-mentioned steps S101)~step S107), with this
Efficiency, temperature rise test are carried out to subject current transformer 103.
In step S102), the exciting current size of generator 102 is controlled by giving middle dc voltage target value,
Then the three-phase alternating current that control generator 102 exports, and be converted by the diode uncontrollable rectifier of subject current transformer 103
Between DC voltage.
By host computer 205 to accompany examination current transformer 202 input Electric Motor Wheel vehicle run power spectrum (torque, revolving speed and when
Between relationship spectrum), control and is accompanied 200 joint debugging of test system at test system 100, to simulate Electric Motor Wheel vehicle electric drive system actual road conditions
Operation, and testing Electric Motor Wheel vehicle includes going up a slope, descending, zero load, the runnability being fully loaded with including each operating condition.
The Electric Motor Wheel vehicle alternating current drive pilot system and method for specific embodiment of the invention description, for exchange fax
Motor-car (especially alternating current drive dumper) carries out the dynamical system test of vehicle rank, can press in fixed test site
It controls system according to the complete electricity of proportional arrangement of 1:1 and (comprising diesel engine, generator, converter cabinet, braking resistor cubicle, is led by test system
Draw motor) and accompany test system (accompany examination current transformer, accompany examination motor), simulation full working scope operation (unloaded, fully loaded, traction, braking etc.),
After each component is assembled into vehicle, before the assembling of alternating current drive vehicle amount vehicle, so that it may actual condition dry run is carried out,
Complete the performance test of each component of vehicle grade.The specific embodiment of the invention can be more truely and completely to entire electric drive system
Each component carries out examination test, comprising: diesel engine characteristics of output power, the test of generator speed control performance, generator excitation
Control performance test, traction electric machine Characteristics Control (traction and braking) performance test, braking resistor cubicle braking performance test, logic
Control and defencive function test, frequency converter efficiency and heat dissipation test, the performance and vehicle performance of system-level judgement each unit component,
It has been obviously improved vehicle debugging efficiency.
By the Electric Motor Wheel vehicle alternating current drive pilot system and method locomotive of implementing specific embodiment of the invention description
The technical solution of trailer system fault diagnosis and method can have the following technical effects:
(1) the Electric Motor Wheel vehicle alternating current drive pilot system and method for specific embodiment of the invention description, can exchange
Before the assembling of electric transmission dumper vehicle, test and verifying that entire electricity drives control system are completed, existing AC electrical is able to solve
It is insufficient, not perfect to take turns the test of vehicle component delivery test, vehicle component capabilities can not be matched and be tested, test process is taken
When laborious technical problem；
(2) the Electric Motor Wheel vehicle alternating current drive pilot system and method for specific embodiment of the invention description, using double electricity
Machine accompanies test system, can more real simulation operating condition (full speed degree, total power traction, braking ability), can sufficiently verify whole
Vehicle performance, each input, output variable (such as electric moter voltage, electric current, power) overall process can automatically record in real time；
(3) the Electric Motor Wheel vehicle alternating current drive pilot system and method for specific embodiment of the invention description, pilot system
It is configured according to 1:1 functional unit, can flexibly carry out each unit unit test and the test of multipart matching performance, such as:
Individually test diesel engine power characteristic, braking resistor cubicle stopping power etc.；
(4) the Electric Motor Wheel vehicle alternating current drive pilot system and method for specific embodiment of the invention description, accompanies test system
Using the rectification of band four-quadrant, (general diode rectification uses igbt chip without energy feedback function, four-quadrant rectification, can handle
Electricity is from DC side feedback to grid side) A/C transmission control system (do not need class such as direct current generator independent excitation control system
System), space occupied is small, and installation maintenance is simple, convenient, efficient, and test system is accompanied to have energy feedback function, and braking energy directly returns
Transmission network, it is environmentally friendly, energy saving.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The above described is only a preferred embodiment of the present invention, being not intended to limit the present invention in any form.Though
So the present invention is disclosed as above with preferred embodiment, and however, it is not intended to limit the invention.It is any to be familiar with those skilled in the art
Member, in the case where not departing from Spirit Essence of the invention and technical solution, all using in the methods and techniques of the disclosure above
Appearance makes many possible changes and modifications or equivalent example modified to equivalent change to technical solution of the present invention.Therefore,
Anything that does not depart from the technical scheme of the invention are made to the above embodiment any simple according to the technical essence of the invention
Modification, equivalent replacement, equivalence changes and modification still fall within the range of technical solution of the present invention protection.
Claims (22)
1. a kind of Electric Motor Wheel vehicle alternating current drive pilot system characterized by comprising by test system (100) and accompany examination system
It unites (200)；
It is described by test system (100) include the diesel engine (101) being sequentially connected, generator (102), subject current transformer (103), survey
Cabinet (109) and subject motor (110) are tried, and are tested the braking resistor cubicle (108) and lead that current transformer (103) are connected with described
Draw/brake pedal (107) including Electric Motor Wheel vehicle assembly of elements；It is described by test system (100), include diesel engine for carrying out
Assembly of elements including power characteristic test, the test of braking resistor cubicle stopping power, current transformer performance test, motor characteristic test
Performance test, and of multiple assembly of elements including master control regulation performance, adjustment of field excitation performance, motor control performance
With performance test；
It is described accompany test system (200) include be sequentially connected accompany examination motor (201), accompany examination current transformer (202) and three-phase adjustable electric
Source (204)；It is described to accompany test system (200), it is described by the various performance tests of test system (100) completion for cooperating；
The subject motor (110) is connected by shaft coupling (300) with accompanying between examination motor (201).
2. Electric Motor Wheel vehicle alternating current drive pilot system according to claim 1, it is characterised in that: described to accompany examination motor
(201) speed ring mode is run on, the subject motor (110) runs on torque mode, the traction/brake pedal (107)
Directly given dtc signal.
3. Electric Motor Wheel vehicle alternating current drive pilot system according to claim 1 or 2, it is characterised in that: described to accompany examination
Current transformer (202) is the current transformer rectified with four-quadrant.
4. Electric Motor Wheel vehicle alternating current drive pilot system according to claim 3, it is characterised in that: the subject unsteady flow
Device (103) further includes VCU (104), the first DCU (105).
5. Electric Motor Wheel vehicle alternating current drive pilot system according to claim 4, it is characterised in that: described to accompany examination unsteady flow
Device (202) further includes the 2nd DCU (203).
6. Electric Motor Wheel vehicle alternating current drive pilot system according to claim 5, it is characterised in that: the pilot system
Including two groups of test cabinets being sequentially connected (109), subject motor (110) and accompany examination motor (201).
7. Electric Motor Wheel vehicle alternating current drive pilot system according to claim 6, it is characterised in that: described to accompany test system
(200) further include and accompany the host computer (205) for trying current transformer (202) and being connected, starting is accompanied test system (200), described to accompany test system
(200) speed control mode is run on, controlling the rotational speed setup that two are accompanied examination motor (201) by the host computer (205) is
Same instruction.
8. Electric Motor Wheel vehicle alternating current drive pilot system according to claim 7, it is characterised in that: by described upper
Machine (205) inputs the power spectrum of Electric Motor Wheel vehicle operation, controls and described by test system (100) and accompanies test system (200) connection
Adjust, with simulate Electric Motor Wheel vehicle electric drive system actual road conditions operation, test the Electric Motor Wheel vehicle include go up a slope, descending, zero load,
The runnability being fully loaded with including each operating condition.
9. being existed according to claim 4,5,6,7 or 8 described in any item Electric Motor Wheel vehicle alternating current drive pilot systems, feature
In: described by test system (100) further includes the excitation system (106) being connected with generator (102), starting by test system (100),
The VCU (104) of subject current transformer (103) starts to be controlled, according to including traction/brake pedal signal, motor speed
Input signal including signal carries out the revolving speed control of diesel engine (101), the power output of generator (102) and subject current transformer
(103) intermediate objective voltage gives and torque reference.
10. Electric Motor Wheel vehicle alternating current drive pilot system according to claim 9, it is characterised in that: the subject becomes
The first DCU (105) for flowing device (103) controls two subject motors according to the torque reference signal that the VCU (104) is issued
(110) torque reference is same instruction.
11. special according to claim 4,5,6,7,8 or 10 described in any item Electric Motor Wheel vehicle alternating current drive pilot systems
Sign is: the subject current transformer (103), traction/brake pedal (107) are given to 100% operation, described to accompany examination current transformer
(202) property verification of each speed point is carried out according to traction/braking curve of subject motor (110), at this time the test cabinet
(109) subject motor (110) is automatically recorded in the given torque of each speed point, reality output torque, current of electric, motor electricity
The input voltage of pressure and subject current transformer (103) completes the traction/brake test and subject of subject motor (110) with this
The control performance of current transformer (103) is tested.
12. Electric Motor Wheel vehicle alternating current drive pilot system according to claim 11, it is characterised in that: the traction/
Brake pedal (107) is described that examination current transformer (202) is accompanied quickly to carry out velocity scanning during given 0~100% operation,
To verify the dynamic property of subject current transformer (103).
13. according to claim 4,5,6,7,8,10 or 12 described in any item Electric Motor Wheel vehicle alternating current drive pilot systems,
It is characterized by: gear-box (301) and torquemeter (302) are provided on the shaft coupling (300), by the torquemeter
(302) position closed coupling (300), to carry out the locked rotor test of subject motor (110).
14. Electric Motor Wheel vehicle alternating current drive pilot system according to claim 13, it is characterised in that: described that examination is accompanied to become
The invariablenes turning speed of examination motor (201) is accompanied in stream device (202) control, and the subject current transformer (103) is rapidly performed by torque reference, In
The given medium voltage with actual feedback of the intermediate objective voltage of VCU described in this process observation (104) follows situation, to test
State the control performance of VCU (104) and excitation system (106).
15. according to claim 1, the described in any item Electric Motor Wheel vehicle alternating current drive examinations in 2,4,5,6,7,8,10,12 or 14
Check system, it is characterised in that: it is described to accompany examination current transformer (202) that motor (110) will be tested to be dragged to when running to maximum speed point,
Described that examination current transformer (202) is accompanied to stop working, the braking signal value of the traction/brake pedal (107) gives to 100%, remembers
The time that subject motor (110) is down to point of zero velocity from maximum speed point is recorded, subtracting for this procedural test Electric Motor Wheel vehicle is passed through
Fast performance and the ability of the verifying braking resistor cubicle (108).
16. Electric Motor Wheel vehicle alternating current drive pilot system according to claim 15, it is characterised in that: the subject becomes
Device (103) selection is flowed from load pattern, and the inversion function of subject current transformer (103) is forbidden, generator (102) output
Energy pass through the braking resistor cubicle (108) consumption completely, the power characteristic of the diesel engine (101) and described is tested with this
The ability of braking resistor cubicle (108).
17. according to claim 1, the described in any item Electric Motor Wheel vehicle alternating current drives in 2,4,5,6,7,8,10,12,14 or 16
Pilot system, it is characterised in that: it is described that examination current transformer (202) is accompanied to be configured to rated power and long-play, with this to described
It is tested current transformer (103) and carries out efficiency, temperature rise test.
18. a kind of Electric Motor Wheel vehicle alternating current drive test method, which comprises the following steps:
S101) starting is accompanied test system (200), described that test system (200) is accompanied to run on speed control mode, passes through host computer
(205) controlling two and accompanying the rotational speed setup of examination motor (201) is same instruction；
S102) starting is by test system (100), and the VCU (104) for being tested current transformer (103) starts to be controlled, according to including leading
Draw/brake pedal signal, the input signal including motor speed signal carry out the revolving speed control of diesel engine (101), generator
(102) the intermediate objective voltage of power output and subject current transformer (103) gives and torque reference；
S103) the torque reference signal that the first DCU (105) of subject current transformer (103) is issued according to the VCU (104)
The torque reference for controlling two subject motors (110) is same instruction；
S104) the subject current transformer (103), traction/brake pedal (107) are given to 100% operation, accompany examination current transformer (202)
The property verification of each speed point is carried out according to traction/braking curve of subject motor (110), test cabinet (109) is automatic at this time
Record subject motor (110) is in the given torque of each speed point, reality output torque, current of electric, electric moter voltage and subject
The input voltage of current transformer (103) completes traction/brake test and the subject current transformer of subject motor (110) with this
(103) control performance test；
S105) invariablenes turning speed for accompanying examination current transformer (202) control to accompany examination motor (201), the subject current transformer (103) are fast
The carry out torque reference of speed, the given intermediate electricity with actual feedback of the intermediate objective voltage of the VCU described in this process observation (104)
Pressure follows situation, tests the control performance of the VCU (104) and excitation system (106)；
S106) described to accompany examination current transformer (202) that motor (110) will be tested to be dragged to when running to maximum speed point, it is described to accompany examination
Current transformer (202) stops working, and the braking signal value of the traction/brake pedal (107) gives to 100%, records the quilt
Time of point of zero velocity is down in examination motor (110) from maximum speed point, by the decelerability of this procedural test Electric Motor Wheel vehicle and
Verify the ability of braking resistor cubicle (108)；
S107) subject current transformer (103) selection is forbidden from load pattern, the inversion function of subject current transformer (103),
The energy of generator (102) output passes through the braking resistor cubicle (108) consumption completely, and the function of diesel engine (101) is tested with this
The ability of rate characteristic and the braking resistor cubicle (108).
19. Electric Motor Wheel vehicle alternating current drive test method according to claim 17, it is characterised in that: described that examination is accompanied to become
Stream device (202) is configured to rated power and long-play step S101)~step S107), with this to the subject current transformer
(103) efficiency, temperature rise test are carried out.
20. Electric Motor Wheel vehicle alternating current drive test method described in 7 or 18 according to claim 1, it is characterised in that: described
Step S102) in, the exciting current size of the generator (102) is controlled by giving middle dc voltage target value, then
The three-phase alternating current of the generator (102) output is controlled, and passes through the diode uncontrollable rectifier of subject current transformer (103)
It is converted into middle dc voltage.
21. Electric Motor Wheel vehicle alternating current drive test method according to claim 19, it is characterised in that: pass through host computer
(205) Xiang Suoshu accompanies examination current transformer (202) to input the power spectrum of the Electric Motor Wheel vehicle operation, controls described by test system
(100) and test system (200) joint debugging is accompanied, to simulate the operation of Electric Motor Wheel vehicle electric drive system actual road conditions, and tested described electronic
Taking turns vehicle includes going up a slope, descending, zero load, the runnability being fully loaded with including each operating condition.
22. the described in any item Electric Motor Wheel vehicle alternating current drive test methods in 8,19 or 21, feature exist according to claim 1
In: in the step S104) traction/brake pedal (107) given 0~100% operation during, it is described to accompany examination current transformer
(202) velocity scanning is carried out, quickly to verify the dynamic property of subject current transformer (103).
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| CN201810372980.6A CN110398380B (en) | 2018-04-24 | 2018-04-24 | Electric wheel whole vehicle alternating current transmission test system and method |
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| CN201810372980.6A CN110398380B (en) | 2018-04-24 | 2018-04-24 | Electric wheel whole vehicle alternating current transmission test system and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557898A (en) * | 2020-10-30 | 2021-03-26 | 北京精密机电控制设备研究所 | Starting and power generation integrated test bed with rapid state switching function and test method |
| CN113495004A (en) * | 2020-04-02 | 2021-10-12 | 株洲中车时代电气股份有限公司 | Permanent magnet traction system test device for vehicle and control method thereof |
| CN114077240A (en) * | 2021-11-15 | 2022-02-22 | 株洲尚驰电气有限公司 | Transient reverse torque safety protection method |
| CN114114013A (en) * | 2021-12-03 | 2022-03-01 | 上海煤科检测技术有限公司 | Feedback small-sized motor test platform |
| CN114371689A (en) * | 2022-01-05 | 2022-04-19 | 中国铁道科学研究院集团有限公司 | Vehicle control strategy test system and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203629836U (en) * | 2013-12-30 | 2014-06-04 | 湘潭电机股份有限公司 | Alternating current transmission comprehensive testing stand for large-scale mining electric-wheeled self-dumping truck |
| CN104062586A (en) * | 2014-07-03 | 2014-09-24 | 广州电力机车有限公司 | Method employing test bench to check driving motor |
| CN204666374U (en) * | 2015-05-06 | 2015-09-23 | 兰州交通大学 | A kind of AC drive experiment platform |
| CN106932203A (en) * | 2015-12-30 | 2017-07-07 | 南车株洲电力机车研究所有限公司 | A kind of full-year simulation system and method for electric vehicle electric drive system |
-
2018
- 2018-04-24 CN CN201810372980.6A patent/CN110398380B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203629836U (en) * | 2013-12-30 | 2014-06-04 | 湘潭电机股份有限公司 | Alternating current transmission comprehensive testing stand for large-scale mining electric-wheeled self-dumping truck |
| CN104062586A (en) * | 2014-07-03 | 2014-09-24 | 广州电力机车有限公司 | Method employing test bench to check driving motor |
| CN204666374U (en) * | 2015-05-06 | 2015-09-23 | 兰州交通大学 | A kind of AC drive experiment platform |
| CN106932203A (en) * | 2015-12-30 | 2017-07-07 | 南车株洲电力机车研究所有限公司 | A kind of full-year simulation system and method for electric vehicle electric drive system |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113495004A (en) * | 2020-04-02 | 2021-10-12 | 株洲中车时代电气股份有限公司 | Permanent magnet traction system test device for vehicle and control method thereof |
| CN112557898A (en) * | 2020-10-30 | 2021-03-26 | 北京精密机电控制设备研究所 | Starting and power generation integrated test bed with rapid state switching function and test method |
| CN112557898B (en) * | 2020-10-30 | 2023-09-29 | 北京精密机电控制设备研究所 | Start-up and power generation integrated test bed capable of achieving rapid state switching and test method |
| CN114077240A (en) * | 2021-11-15 | 2022-02-22 | 株洲尚驰电气有限公司 | Transient reverse torque safety protection method |
| CN114077240B (en) * | 2021-11-15 | 2023-08-18 | 株洲尚驰电气有限公司 | Transient reverse torque safety protection method |
| CN114114013A (en) * | 2021-12-03 | 2022-03-01 | 上海煤科检测技术有限公司 | Feedback small-sized motor test platform |
| CN114114013B (en) * | 2021-12-03 | 2024-04-09 | 上海煤科检测技术有限公司 | Feedback small motor test platform |
| CN114371689A (en) * | 2022-01-05 | 2022-04-19 | 中国铁道科学研究院集团有限公司 | Vehicle control strategy test system and method |
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