CN106740258A - Magnetic-levitation train linear electric motors power supply circuit and method - Google Patents
Magnetic-levitation train linear electric motors power supply circuit and method Download PDFInfo
- Publication number
- CN106740258A CN106740258A CN201710000640.6A CN201710000640A CN106740258A CN 106740258 A CN106740258 A CN 106740258A CN 201710000640 A CN201710000640 A CN 201710000640A CN 106740258 A CN106740258 A CN 106740258A
- Authority
- CN
- China
- Prior art keywords
- electric motors
- linear electric
- series connection
- parallel
- connection unit
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L13/00—Electric propulsion for monorail vehicles, suspension vehicles or rack railways; Magnetic suspension or levitation for vehicles
- B60L13/10—Combination of electric propulsion and magnetic suspension or levitation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
Abstract
The invention discloses a kind of magnetic-levitation train linear electric motors power supply circuit and method, a linear electric motors are respectively arranged on the both sides of each suspension rack, linear electric motors on same car section on each suspension rack on phase the same side are serially connected, the linear electric motors of series connection are divided into the equal series connection unit of quantity, parallel-series switch device is set between unit of connecting, the series-parallel conversion between each series connection unit is realized.When launch train accelerates, parallel-series switch device is in concatenation position, is run with tandem between each series connection unit；When train accelerates to setting speed, parallel-series switch device is placed in position in parallel, is run with parallel way between each series connection unit.High current driving power when both ensure that train starting accelerated, the higher-end voltage requirements of linear electric motors, reduce the temperature rise of linear electric motors when also ensure that train high-speed cruising.
Description
Technical field
The present invention relates to magnetic-levitation train technical field, and in particular to a kind of magnetic-levitation train linear electric motors power supply circuit and side
Method.
Background technology
Medium-and low-speed maglev train is typically all that based on DC1500V power supply systems, many linear electric motors are connecting and parallel connection side
Formula is connected to traction invertor, and DC1500V power supplys supply linear electric motors to drive train after traction invertor becomes alternating current.
In the prior art, the traction protocols of medium-and low-speed maglev train are all with single-unit car as control targe, i.e., to be set in each car section
Several suspension racks, are respectively arranged a linear electric motors on the both sides of each suspension rack, straight on phase the same side on each suspension rack
Line motor is serially connected to a traction invertor.This single linear electric motors terminal voltage of technical scheme is relatively low, and driving power is received
Limit；In invariable power area, linear electric motors electric current is excessive, causes linear electric motors temperature rise excessive, reduction of service life.It is higher in order to obtain
Starting acceleration and the speed of service, it is necessary to configure the traction convertor of larger redundancy capacity, selection high current, the work(of high withstand voltage
Rate device, this causes trailer system cost higher.To solve this problem, the Chinese patent of Application No. 201110079656.3
A kind of scheme is proposed, an additional output transformer and its switch dress are set between traction invertor and linear electric motors
Put, prescribed a time limit thereon when train operation reaches certain speed, inverter output voltage and reaches, by the pull-in control system control on train
Traction invertor output current processed is down to zero, then by the switching of switching device, output transformer is accessed into circuit, draws inverse
Become device and recover output, linear electric motors are given after exporting transformer boost.Although the scheme of this additional output transformer is one
Determine to be met in degree linear electric motors and running at high speed lower to high-tension requirement, be but still to pay complex structure, cost and improve
Cost.
The content of the invention
The present invention provides a kind of magnetic-levitation train linear electric motors power supply circuit and method, while it is big to low speed to meet linear electric motors
Electric current and the high-tension demand of high speed and the capacity of traction invertor need not be improved.
The technical solution adopted in the present invention is：A kind of magnetic-levitation train linear electric motors power supply circuit, by dc source, input
Switching device, traction invertor and linear electric motors composition, are respectively arranged a linear electric motors on the both sides of each suspension rack, same
Linear electric motors on car section on each suspension rack on phase the same side are serially connected, it is characterised in that the linear electric motors of series connection are divided into number
The equal series connection unit of amount, parallel-series switch device is set between unit of connecting, and realizes the string between each series connection unit
Parallel connection conversion.
In order to the purpose of the present invention is better achieved, if respectively the number of motors of series connection unit is unequal, by concatenating reactance
The mode of device balances the voltage between each series connection unit.
In order to the purpose of the present invention is better achieved, can be by jumper and the linear electric motors on adjacent car section suspension rack
Series connection packet.
A kind of above-mentioned magnetic-levitation train linear electric motors are powered the method for supplying power on road, it is characterised in that take the following steps：
A. when launch train accelerates, parallel-series switch device is in concatenation position, with string between each series connection unit
The mode of connecing is run；
B. when train accelerates to setting speed, parallel-series switch device is placed in position in parallel, unit of respectively connecting
Between with parallel way run.
The beneficial effects of the invention are as follows：In the case where power supply system and single traction invertor capacity is not changed, both protected
High current driving power when train starting accelerates, the higher-end voltage of linear electric motors when also ensure that train high-speed cruising are demonstrate,proved
Demand, reduces the temperature rise of linear electric motors.
Brief description of the drawings
Fig. 1 is the magnetic-levitation train linear electric motors power supply circuit schematic diagram of the embodiment of the present invention one.
Fig. 2 is the magnetic-levitation train linear electric motors power supply circuit schematic diagram of the embodiment of the present invention two.
Fig. 3 is the magnetic-levitation train linear electric motors power supply circuit schematic diagram of the embodiment of the present invention three.
Specific embodiment
Invention is described further in conjunction with accompanying drawing.
Embodiment one
Referring to Fig. 1, the magnetic-levitation train linear electric motors power supply circuit of the present embodiment is disposed with four suspensions on one car section
Frame, is respectively arranged a linear electric motors on the both sides of each suspension rack, the linear electric motors on each suspension rack on phase the same side are mutual
Series connection.The linear electric motors of series connection are divided into the series connection unit of every group two, parallel-series switch dress is set between series connection unit
Put.When launch train accelerates, parallel-series switch device is in concatenation position, with four motor strings between each series connection unit
The mode of connecing is run；When train accelerates to setting speed, parallel-series switch device is placed in position in parallel, each two motors
Run with parallel way between series connection unit.
Embodiment two
Referring to Fig. 2, the magnetic-levitation train linear electric motors power supply circuit of the present embodiment is disposed with five suspensions on one car section
Frame, is respectively arranged a linear electric motors on the both sides of each suspension rack, the linear electric motors on each suspension rack on phase the same side are mutual
Series connection.The linear electric motors of series connection are divided into two series connection units：One group of three motors series connection, another group of two motors series connection.String
Parallel-series switch device is set between online group.When launch train accelerates, parallel-series switch device is in concatenation
Position, is run between each series connection unit in five motor joining modes；When train accelerates to setting speed, by series-parallel conversion
Switching device is placed in position in parallel, and reactor seals in two series connection units of motor, with parallel way between two series connection units
Operation.
Embodiment three
Referring to Fig. 3, the magnetic-levitation train linear electric motors power supply circuit of the present embodiment is disposed with five suspensions on one car section
Frame, is respectively arranged a linear electric motors on the both sides of each suspension rack, the linear electric motors on each suspension rack on phase the same side are mutual
Series connection.The linear electric motors of series connection are divided into two series connection units：One group of three motors series connection, another group of two motors are by jumping
Line is connected with a linear electric motors on adjacent car section suspension rack.Parallel-series switch device is set between series connection unit.
When launch train accelerates, parallel-series switch device is in concatenation position, with six motor joinings between each series connection unit
Mode is run；When train accelerates to setting speed, parallel-series switch device is placed in position in parallel, each three motor strings
Run with parallel way between online group.
Claims (4)
1. a kind of magnetic-levitation train linear electric motors power supply circuit, by dc source, input switch device, traction invertor and straight-line electric
Machine is constituted, and a linear electric motors is respectively arranged on the both sides of each suspension rack, on same car section on each suspension rack on phase the same side
Linear electric motors be serially connected, it is characterised in that the linear electric motors of series connection are divided into the equal series connection unit of quantity, in cascade machine
Parallel-series switch device is set between group, the series-parallel conversion between each series connection unit is realized.
2. magnetic-levitation train linear electric motors power supply circuit according to claim 1, it is characterised in that if the respectively electricity of series connection unit
Machine quantity is unequal, and the voltage between each series connection unit is balanced by way of tandem reactor.
3. magnetic-levitation train linear electric motors power supply circuit according to claim 1, it is characterised in that can by jumper with
Linear electric motors series connection packet on adjacent car section suspension rack.
4. the method for supplying power to of magnetic-levitation train linear electric motors power supply circuit described in a kind of claim 1, it is characterised in that take following
Step：
A. when launch train accelerates, parallel-series switch device is in concatenation position, with concatenation side between each series connection unit
Formula is run；
B. when train accelerates to setting speed, parallel-series switch device is placed in position in parallel, between each series connection unit
Run with parallel way.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710000640.6A CN106740258A (en) | 2017-01-03 | 2017-01-03 | Magnetic-levitation train linear electric motors power supply circuit and method |
| AU2017391576A AU2017391576B2 (en) | 2017-01-03 | 2017-11-29 | Maglev linear motor supply circuit and method |
| PCT/CN2017/113541 WO2018126821A1 (en) | 2017-01-03 | 2017-11-29 | Maglev train linear motor power supply circuit and method |
| ZA2018/05836A ZA201805836B (en) | 2017-01-03 | 2018-08-30 | Maglev train linear motor power supply circuit and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710000640.6A CN106740258A (en) | 2017-01-03 | 2017-01-03 | Magnetic-levitation train linear electric motors power supply circuit and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106740258A true CN106740258A (en) | 2017-05-31 |
Family
ID=58952845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710000640.6A Pending CN106740258A (en) | 2017-01-03 | 2017-01-03 | Magnetic-levitation train linear electric motors power supply circuit and method |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN106740258A (en) |
| AU (1) | AU2017391576B2 (en) |
| WO (1) | WO2018126821A1 (en) |
| ZA (1) | ZA201805836B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018126821A1 (en) * | 2017-01-03 | 2018-07-12 | 中车大连机车车辆有限公司 | Maglev train linear motor power supply circuit and method |
| CN108638913A (en) * | 2018-07-04 | 2018-10-12 | 西南交通大学 | A kind of middling speed magnetic-suspension tractive system dynamic configuration method |
| CN108859858A (en) * | 2018-03-23 | 2018-11-23 | 西南交通大学 | A kind of middling speed magnetic-suspension tractive architecture system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109784530B (en) * | 2018-12-10 | 2021-02-19 | 北京交通大学 | Power supply partition optimization setting method based on medium-speed magnetic suspension line passing capacity |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1460610A (en) * | 2003-06-12 | 2003-12-10 | 国家磁浮交通工程技术研究中心 | Power module power supplying mthod for high-speed magnetic suspension train |
| CN1781758A (en) * | 2004-11-10 | 2006-06-07 | 迅捷国际两合公司 | Method and apparatus for operating a maglev train |
| CN101036287A (en) * | 2004-10-01 | 2007-09-12 | 株式会社安川电机 | Linear motor system |
| CN101263645A (en) * | 2005-08-22 | 2008-09-10 | 杜米特鲁·博吉科 | Magnetically levitated transport system |
| CN104118333A (en) * | 2014-07-23 | 2014-10-29 | 中国人民解放军国防科学技术大学 | Linear induction motor traction force increasing method for magnetic-levitation train |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1571082A (en) * | 2003-07-24 | 2005-01-26 | 新疆特变电工股份有限公司 | Double-voltage transformer |
| DE102006017933B4 (en) * | 2006-04-18 | 2008-01-24 | Siemens Ag | Electric machine with magnetic bearing and backup bearing |
| CN202389369U (en) * | 2012-01-13 | 2012-08-22 | 南车株洲电力机车有限公司 | Centralized power supply structure for traction system of middle-low-speed magnetically levitated train |
| CN106740258A (en) * | 2017-01-03 | 2017-05-31 | 中车大连机车车辆有限公司 | Magnetic-levitation train linear electric motors power supply circuit and method |
-
2017
- 2017-01-03 CN CN201710000640.6A patent/CN106740258A/en active Pending
- 2017-11-29 AU AU2017391576A patent/AU2017391576B2/en active Active
- 2017-11-29 WO PCT/CN2017/113541 patent/WO2018126821A1/en active Application Filing
-
2018
- 2018-08-30 ZA ZA2018/05836A patent/ZA201805836B/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1460610A (en) * | 2003-06-12 | 2003-12-10 | 国家磁浮交通工程技术研究中心 | Power module power supplying mthod for high-speed magnetic suspension train |
| CN101036287A (en) * | 2004-10-01 | 2007-09-12 | 株式会社安川电机 | Linear motor system |
| CN1781758A (en) * | 2004-11-10 | 2006-06-07 | 迅捷国际两合公司 | Method and apparatus for operating a maglev train |
| CN101263645A (en) * | 2005-08-22 | 2008-09-10 | 杜米特鲁·博吉科 | Magnetically levitated transport system |
| CN104118333A (en) * | 2014-07-23 | 2014-10-29 | 中国人民解放军国防科学技术大学 | Linear induction motor traction force increasing method for magnetic-levitation train |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018126821A1 (en) * | 2017-01-03 | 2018-07-12 | 中车大连机车车辆有限公司 | Maglev train linear motor power supply circuit and method |
| CN108859858A (en) * | 2018-03-23 | 2018-11-23 | 西南交通大学 | A kind of middling speed magnetic-suspension tractive architecture system |
| CN108859858B (en) * | 2018-03-23 | 2020-02-21 | 西南交通大学 | Medium-speed magnetic levitation traction framework system |
| CN108638913A (en) * | 2018-07-04 | 2018-10-12 | 西南交通大学 | A kind of middling speed magnetic-suspension tractive system dynamic configuration method |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2017391576A1 (en) | 2018-08-09 |
| AU2017391576B2 (en) | 2020-02-27 |
| ZA201805836B (en) | 2019-06-26 |
| WO2018126821A1 (en) | 2018-07-12 |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |
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| WD01 | Invention patent application deemed withdrawn after publication |