CN108400715A - Rail traction power supply using modular multi-level converter and train transmission system - Google Patents
Rail traction power supply using modular multi-level converter and train transmission system Download PDFInfo
- Publication number
- CN108400715A CN108400715A CN201810124008.7A CN201810124008A CN108400715A CN 108400715 A CN108400715 A CN 108400715A CN 201810124008 A CN201810124008 A CN 201810124008A CN 108400715 A CN108400715 A CN 108400715A
- Authority
- CN
- China
- Prior art keywords
- power supply
- traction
- train
- control
- level converter
- 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
Links
Classifications
-
- 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
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M5/4585—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only having a rectifier with controlled elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M3/00—Feeding power to supply lines in contact with collector on vehicles; Arrangements for consuming regenerative power
-
- 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
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M7/2173—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a biphase or polyphase circuit arrangement
-
- 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
- H02M7/483—Converters with outputs that each can have more than two voltages levels
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of rail traction power supply using modular multi-level converter and train transmission systems, three-phase alternating current is transformed to high voltage direct current using modular multilevel rectifier, using the parallel connection of rectifier, through high voltage direct current tractive power supply system is formed；Using modular multilevel inverter, DC traction contact net voltage is reverse into the three-phase alternating current of pressure-adjustable frequency modulation, supplies vehicle-mounted traction electric machine.The present invention can thoroughly eliminate the problems such as negative phase-sequence existing for traditional AC25kV alternating current tractions power supply system, idle, electric split-phase, and can significantly reduce line transmission loss, improve the efficiency of tractive power supply system；Simultaneously, train directly uses modular multilevel inverter driving motor, the power supply voltage level and power supply quality for simplifying the structure of traction drive, improving traction electric machine reduce loss so as to significantly improve the power density and energy conversion efficiency of train traction transmission system.
Description
Technical field
The present invention relates to electrified railway power supply and train traction drive technology fields, specially a kind of to use modularization
The rail traction power supply of Multilevel Inverters and train transmission system.
Background technology
Single phase industrial frequence alternating current traction power supply system is made of traction substation and traction power supply net, and traction substation is by electric power
Three-phase 110kV or the 220kV power supply of system is depressured by tractive transformer into 27.5kV, Traction networks is resupplied, such as 1 institute of attached drawing
Show.Traditional tractive power supply system is the utilization rate for making Three-phase Power Systems balancing the load and improving power supply, and contact net is adopted more
With segmentation commutation power supply, it is provided with uncharged electric split-phase between phase and phase.The topological structure of tractive power supply system, determines it
The problems such as certainly existing negative phase-sequence, idle and electric split-phase.
The problems such as in order to solve idle, negative phase-sequence, harmonic wave existing for the single-phase tractive power supply system of traditional power frequency, there is scholar's proposition
Cophase supply system based on balancing transformer, as shown in Fig. 2.The system utilizes electric energy regulator（Active
Power Compensator, APC）, to inside the same electric substation a supply arm voltage magnitude and phase compensate,
Keep its output voltage and amplitude and another supply arm output voltage completely the same, to realize the balance of three phase power, keeps away
The generation of negative-sequence current is exempted from, has eliminated the electric split-phase inside electric substation and reactive-load compensation can be carried out.But system needs carry
For the APC capacity, of high cost of total power, and the electric split-phase between Liang Ge electric substations can not be eliminated.
In addition, in order to thoroughly eliminate conventional AC tractive power supply system there are the problem of, also scholar proposes based on three
The through advanced cophase supply mode of phase AC-DC-single phase ac, as shown in Fig. 3.The system utilizes power electronics skill
Art obtains the duplicate voltage of phase-amplitude by transformation of electrical energy, to form through cophase supply system.But, should
The shortcomings of system is of high cost there are system complex, engineer application difficulty are larger.
The traction drive of train is the energy source of electric locomotive/EMU, and structure is as shown in Fig. 4.Tradition
Traction drive, need single-phase AC25kV voltage step-downs by mobile transformer, then after over commutation and inversion, supply
Traction electric machine.Whole system haves the shortcomings that system complex, weight are big, efficiency is low, does not meet the following light-weighted developing direction.
Therefore there is scholar to have studied the transmission system using electric power electric transformer, but still can not thoroughly solve these problems.
Invention content
In view of the above-mentioned problems, traditional tractive power supply system and train can be solved the purpose of the present invention is to provide a kind of
Traction drive there are problems that many defects and, be driven using the rail traction power supply of modular multi-level converter and train
System.Technical solution is as follows：
Rail traction power supply using modular multi-level converter and train transmission system, tractive power supply system include simultaneously through transport
Capable multiple modular multi-level converters, modular multi-level converter will export constant high pressure after three-phase alternating current electric rectification
Direct current, for traction contact net power supply；The traction drive of train includes multiple modular multilevel inverters, and modularization is more
The high voltage direct current for drawing contact net is transformed to the three-phase alternating current electricity output supply traction electricity of Frequency Adjustable pressure regulation by electrical level inverter
Machine.
Further, hysteretic loop current control, transient state can be used with modular multi-level converter in the tractive power supply system
Current control, virtual dq coordinate systems current decoupled control, direct Power Control or Model Predictive Control.
Further, the train traction transmission system can be used with modular multilevel inverter suitable for motor tune
The control strategy of speed, including slip control, Direct Torque Control or vector controlled.
The beneficial effects of the invention are as follows：The present invention can build through high voltage direct current tractive power supply system, so as to
The problems such as thoroughly eliminating negative phase-sequence existing for traditional single phase AC25kV alternating current traction power supply systems, idle, electric split-phase, and can significantly drop
Low line transmission loss, improves the efficiency of tractive power supply system；Meanwhile train directly uses modular multilevel inverter to drive
Motor, the power supply voltage level and power supply quality for simplifying the structure of train traction transmission system, improving traction electric machine, to
The power density and energy conversion efficiency of train traction transmission system can be significantly improved, loss is reduced, realizes train lightweight.
Description of the drawings
Fig. 1 is traditional single-phase tractive power supply system structural schematic diagram of power frequency.
Fig. 2 is the homo-phase traction power supply system structural schematic diagram using APC.
Fig. 3 is the through cophase supply system structure diagram using Technics of Power Electronic Conversion.
Fig. 4 is traditional train traction drive system structure schematic diagram.
Fig. 5 is the railway traction power supply system and train tradition system disclosed by the invention using modular multi-level converter
System structural schematic diagram.
Fig. 6 is the modular multilevel rectifier topology structure schematic diagram that railway traction power supply system uses.
Fig. 7 is the modular multilevel inverter topological structure schematic diagram that train traction transmission system uses.
Specific implementation mode
The present invention is described in further details in the following with reference to the drawings and specific embodiments.Using modular multilevel unsteady flow
The rail traction power supply of device and train transmission system, tractive power supply system include multiple modular multilevel unsteady flows of parallel running
Device, modular multi-level converter will export constant high voltage direct current after three-phase alternating current electric rectification, for traction contact net power supply；
The traction drive of train includes multiple modular multilevel inverters, and modular multilevel inverter will draw contact net
High voltage direct current is transformed to the three-phase alternating current electricity output supply traction electric machine of Frequency Adjustable pressure regulation.
As shown in figure 5, electric railway traction power supply system uses modular multilevel unsteady flow by each traction substation
For device by three-phase alternating current electric rectification, it is traction contact net power supply to become high voltage direct current.Fig. 6 is common three-phase modular multilevel
The basic structure of rectifier can use multiple modular multilevel unsteady flows according to the requirement of power system capacity inside electric substation
Device parallel connection is to improve power system capacity.Keep mutual indepedent between each electric substation, the DC voltage of output end controls
DC30kV forms parallel operation system by drawing contact net.Modular multilevel rectifier may be used hysteretic loop current control,
Transient current testing, virtual dq coordinate systems current decoupled control, direct Power Control and Model Predictive Control etc..
Fig. 7 is the train traction transmission system using modular multilevel inverter, and train is connect by pantograph from traction
It touches net and obtains DC30kV electric currents, by the three-phase alternating current that vehicle module multi-electrical level inverter inversion is pressure-adjustable frequency modulation, to lead
Draw motor power supply, realizes train dynamics traction.When regeneration, the kinetic energy of train is passed through motor by three-phase modular multilevel current transformer
Be converted into after electric energy and feed back on traction contact net, used for other trains or in turn by traction current transformation in three-phase modular
Rectifier inversion realizes making full use of for energy to three-phase AC electrical supply system.Modular multilevel inverter, which may be used, to be turned
Poor control, Direct Torque Control, vector controlled etc. are suitable for the control strategy of electric machine speed regulation.
Claims (3)
1. a kind of rail traction power supply and train transmission system using modular multi-level converter, which is characterized in that traction
Power supply system includes multiple modular multi-level converters of parallel running, and modular multi-level converter is whole by three-phase alternating current
Constant high voltage direct current is exported after stream, for traction contact net power supply；The traction drive of train includes that multiple modularizations are more
The high voltage direct current for drawing contact net is transformed to three intersections of Frequency Adjustable pressure regulation by electrical level inverter, modular multilevel inverter
Galvanic electricity output supply traction electric machine.
2. the rail traction power supply and train transmission system according to claim 1 using modular multi-level converter,
It is characterized in that, the railway traction power supply system uses hysteretic loop current control, transient current with modular multi-level converter
Control, virtual dq coordinate systems current decoupled control, direct Power Control or Model Predictive Control.
3. the rail traction power supply and train transmission system according to claim 1 using modular multi-level converter,
It is characterized in that, the train traction transmission system uses the control plan suitable for electric machine speed regulation with modular multilevel inverter
It omits, including slip control, Direct Torque Control or vector controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810124008.7A CN108400715A (en) | 2018-02-07 | 2018-02-07 | Rail traction power supply using modular multi-level converter and train transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810124008.7A CN108400715A (en) | 2018-02-07 | 2018-02-07 | Rail traction power supply using modular multi-level converter and train transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108400715A true CN108400715A (en) | 2018-08-14 |
Family
ID=63096253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810124008.7A Pending CN108400715A (en) | 2018-02-07 | 2018-02-07 | Rail traction power supply using modular multi-level converter and train transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108400715A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532572A (en) * | 2019-01-09 | 2019-03-29 | 西南交通大学 | A kind of five rail electric power supply control system of short stator magnetic-levitation train |
| CN110304080A (en) * | 2019-06-25 | 2019-10-08 | 同济大学 | A kind of middle low speed magnetic suspension train traction drive system |
| CN111267674A (en) * | 2020-03-09 | 2020-06-12 | 西南交通大学 | Virtual in-phase power supply system topological structure suitable for partition pavilion electric phase splitting |
| CN113002333A (en) * | 2021-03-24 | 2021-06-22 | 清华大学 | High-power converter grounding scheme of full-through type flexible alternating-current traction power supply system |
| WO2021196448A1 (en) * | 2019-12-30 | 2021-10-07 | 中铁电气化局集团有限公司 | Interconnected co-phase traction power supply system based on four-port modular multilevel converter |
| CN114079291A (en) * | 2020-08-12 | 2022-02-22 | 中车株洲电力机车研究所有限公司 | Parallel cooperative control method for bidirectional converter and traction rectifier and related equipment |
| CN114583973A (en) * | 2022-03-28 | 2022-06-03 | 西南交通大学 | Flexible traction substation structure and optimization control method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664535A (en) * | 2012-04-10 | 2012-09-12 | 江苏力普电子科技有限公司 | Four-quadrant high-voltage variable-frequency speed regulating system topology based on MMC (modular multilevel converter) transformer without phase shift |
| CN103552487A (en) * | 2013-10-17 | 2014-02-05 | 南车株洲电力机车研究所有限公司 | Co-phase power supply device and traction power supply system |
| CN105450035A (en) * | 2016-01-15 | 2016-03-30 | 湖南大学 | A single-phase model prediction control method of an MMC type railway traction power regulator |
| CN105470958A (en) * | 2015-12-31 | 2016-04-06 | 北京交通大学 | Alternating current-direct current-alternating current (AC-DC-AC) tractive power supply system with modularized multi-level structure |
| CN106374495A (en) * | 2016-11-14 | 2017-02-01 | 国家电网公司 | Modular multilevel electrical railway power grid side electric energy quality optimization current transformer |
| EP3223419A1 (en) * | 2016-03-22 | 2017-09-27 | GE Energy Power Conversion Technology Ltd | Direct ac-ac converter assembly and conversion system using same |
-
2018
- 2018-02-07 CN CN201810124008.7A patent/CN108400715A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664535A (en) * | 2012-04-10 | 2012-09-12 | 江苏力普电子科技有限公司 | Four-quadrant high-voltage variable-frequency speed regulating system topology based on MMC (modular multilevel converter) transformer without phase shift |
| CN103552487A (en) * | 2013-10-17 | 2014-02-05 | 南车株洲电力机车研究所有限公司 | Co-phase power supply device and traction power supply system |
| CN105470958A (en) * | 2015-12-31 | 2016-04-06 | 北京交通大学 | Alternating current-direct current-alternating current (AC-DC-AC) tractive power supply system with modularized multi-level structure |
| CN105450035A (en) * | 2016-01-15 | 2016-03-30 | 湖南大学 | A single-phase model prediction control method of an MMC type railway traction power regulator |
| EP3223419A1 (en) * | 2016-03-22 | 2017-09-27 | GE Energy Power Conversion Technology Ltd | Direct ac-ac converter assembly and conversion system using same |
| CN106374495A (en) * | 2016-11-14 | 2017-02-01 | 国家电网公司 | Modular multilevel electrical railway power grid side electric energy quality optimization current transformer |
Non-Patent Citations (1)
| Title |
|---|
| 宋平岗，等: "新型牵引供电系统中MMC变流器环流无源抑制策略", 《机车电传动》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532572A (en) * | 2019-01-09 | 2019-03-29 | 西南交通大学 | A kind of five rail electric power supply control system of short stator magnetic-levitation train |
| CN110304080A (en) * | 2019-06-25 | 2019-10-08 | 同济大学 | A kind of middle low speed magnetic suspension train traction drive system |
| WO2021196448A1 (en) * | 2019-12-30 | 2021-10-07 | 中铁电气化局集团有限公司 | Interconnected co-phase traction power supply system based on four-port modular multilevel converter |
| CN111267674A (en) * | 2020-03-09 | 2020-06-12 | 西南交通大学 | Virtual in-phase power supply system topological structure suitable for partition pavilion electric phase splitting |
| CN111267674B (en) * | 2020-03-09 | 2023-01-03 | 西南交通大学 | Virtual in-phase power supply system topological structure suitable for partition pavilion electric phase splitting |
| CN114079291A (en) * | 2020-08-12 | 2022-02-22 | 中车株洲电力机车研究所有限公司 | Parallel cooperative control method for bidirectional converter and traction rectifier and related equipment |
| CN114079291B (en) * | 2020-08-12 | 2024-03-15 | 中车株洲电力机车研究所有限公司 | Parallel cooperative control method for bidirectional converter and traction rectifier and related equipment |
| CN113002333A (en) * | 2021-03-24 | 2021-06-22 | 清华大学 | High-power converter grounding scheme of full-through type flexible alternating-current traction power supply system |
| CN113002333B (en) * | 2021-03-24 | 2022-07-19 | 清华大学 | High-power converter grounding method of full-through type flexible alternating current traction power supply system |
| CN114583973A (en) * | 2022-03-28 | 2022-06-03 | 西南交通大学 | Flexible traction substation structure and optimization control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108400715A (en) | Rail traction power supply using modular multi-level converter and train transmission system | |
| CN103840450B (en) | For electric energy adjustment device and the method thereof of electric railway | |
| CN101425756B (en) | DC lateral voltage controllable 4 quadrant frequency transformer and method thereof | |
| CN108667036A (en) | A kind of electric vehicle V2G inverter control methods | |
| WO2014206080A1 (en) | Traction system for motor train unit hybridly powered by power pack and energy storage device | |
| CN206698126U (en) | A kind of hauling power device | |
| CN102394557A (en) | Hybrid parallel type high-voltage direct current traction power supply current transformer and control method thereof | |
| CN110611314A (en) | Energy efficient utilization system for railway traction network | |
| CN107623466A (en) | A kind of brake apparatus and braking method for handing over orthogonal traction drive | |
| CN204567350U (en) | A kind of cascade connection type is without input and the through cophase supply system of output transformer | |
| CN206727910U (en) | One kind traction AuCT | |
| CN103532153B (en) | A kind of MMCC direct railway power compensator and control method thereof | |
| CN203592908U (en) | Direct current-alternating current traction power supply system | |
| CN110071648B (en) | Operation control method of PWM rectifier in urban rail transit traction power supply system | |
| CN112109596B (en) | Power supply system for electric locomotive | |
| Che et al. | An effective utilization scheme for regenerative braking energy based on power regulation with a genetic algorithm | |
| CN208112249U (en) | A kind of traction photovoltaic generating system of Brake energy recovery | |
| CN109256764A (en) | A kind of vehicle-mounted grid-side converter suitable for middle pressure direct-current traction power supply | |
| CN114771360A (en) | Alternating current and direct current traction power supply structure and control method for electrified railway | |
| CN110957749A (en) | Multi-level bidirectional converter with electric energy quality control function and control method thereof | |
| CN114336640B (en) | Intelligent three-phase traction power supply system and power flow control method thereof | |
| CN204578108U (en) | A kind of converter device and system | |
| CN219513799U (en) | Electrified railway energy storage type traction power supply system based on energy router | |
| CN217215985U (en) | Multi-station comprehensive renewable energy utilization device for heavy haul railway | |
| CN112172618B (en) | High-reliability power supply method for electric locomotive |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180814 |
|
| RJ01 | Rejection of invention patent application after publication |