CN203372078U - Motor train unit traction system achieving hybrid power supply of overhead line system, power pack and energy storage device - Google Patents
Motor train unit traction system achieving hybrid power supply of overhead line system, power pack and energy storage device Download PDFInfo
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- CN203372078U CN203372078U CN201320361779.0U CN201320361779U CN203372078U CN 203372078 U CN203372078 U CN 203372078U CN 201320361779 U CN201320361779 U CN 201320361779U CN 203372078 U CN203372078 U CN 203372078U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
A motor train unit traction system achieving hybrid power supply of an overhead line system, a power pack and an energy storage device is characterized by mainly comprising a traction transformer, the power pack, the energy storage device, a traction converter and a traction motor, the overhead line system is connected with the primary edge of the traction transformer through a pantograph type current collector, two secondary windings of the traction converter are directly connected with the traction converter which is connected with the traction motor; a diesel engine and an electric generator constitute the internal combustion power pack, three-phase outputs of the electric generator are directly connected with the traction converter, and the energy storage is connected with a middle direct-current bus of the traction converter. The motor train unit traction system can simultaneously operate on an electrification line and a non-electrification line, and can achieve self rescue through the power pack and the energy storage device.
Description
Technical field
The utility model relates to motor train unit traction system, relates in particular to the motor train unit traction generator of a kind of contact system, power bag and closed-center system hybrid power supply.
Background technology
Traction system is the core of motor train unit driving system, is bearing the task that driving dynamics is provided for train.Traditional motor train unit traction system is mainly single electric traction, adopts the contact system powering mode, can only operate in electrified railway.And, according to China railways planning, by the end of the year 2012, China's electrified railway accounts for 53% of china railway circuit; According to Mid-term and Long-term Plan of the Railway Network, estimate the year two thousand twenty, electrified railway will account for 60% of china railway circuit, and non-electrified railway will occupy significant proportion for a long time.Tradition motor train unit traction generator is mainly single contact system powering mode, can't adapt to non-electrified railway.And, when the fault of electrified highway section, can't carry out and save oneself in time.In addition, in non-electrified highway section, the braking energy of conventional train mainly consumes by the mode of braking resistor, causes the huge waste of the energy.
The utility model content
The purpose of this utility model is to provide a kind of motor train unit traction system of hybrid power, realize that motor train unit have, when can normally move in the situation of no touch net, realize the recycle of energy, realize best acceleration capability and the purposes such as emergency management and rescue, war preparedness of hybrid power simultaneously.
For achieving the above object, the utility model provides the motor train unit traction system of a kind of contact system, power bag and closed-center system hybrid power supply, it is characterized in that: mainly comprise traction transformer, power bag, closed-center system, traction convertor, traction electric machine, contact system is connected by the former limit of pantograph and traction transformer, two secondary windings of traction transformer directly are connected with traction convertor, and traction convertor is connected with traction electric machine; Diesel engine and electrical generator form the combustion power bag, and the output of electrical generator three-phase directly is connected with traction convertor, and closed-center system is connected with traction convertor intermediate dc bus.
Traction convertor comprises the traction transformer interface, the power packet interface, the closed-center system interface, the first pre-charging device, the second pre-charging device, the 3rd pre-charging device, four-quadrant rectifier, the intermediate dc link, traction invertor, two-way DC/DC chopper, overvoltage suppression circuit, traction electric machine interface and AuCT interface, described traction transformer interface is connected with the input end of described four-quadrant rectifier, described power packet interface is connected with the input end of described four-quadrant rectifier, described closed-center system interface is connected with described two-way DC/DC chopper, and be connected in parallel on the mouth DC bus of described four-quadrant rectifier, described the first pre-charging device is arranged on the circuit between described traction transformer interface and described four-quadrant rectifier, described the second pre-charging device is arranged on the circuit between described power packet interface and described four-quadrant rectifier, described the 3rd pre-charging device is arranged on the circuit between described closed-center system interface and described two-way DC/DC chopper, the mouth of described four-quadrant rectifier is connected with the input end of described traction invertor, described intermediate dc link is connected in parallel on the mouth DC bus of described four-quadrant rectifier, the mouth of described traction invertor is for being connected with described traction electric machine interface, described overvoltage suppression circuit is connected in parallel on the mouth DC bus of described four-quadrant rectifier, described AuCT interface is connected in parallel on the mouth DC bus of described four-quadrant rectifier.
Described the first pre-charging device, the second pre-charging device and the 3rd pre-charging device include main contactor, precharge contactless switch and pre-charge resistance; Described main contactor is for controlling the break-make of power circuit, and described precharge contactless switch is for controlling described the first pre-charging device, the second pre-charging device and the 3rd pre-charging device to described Support Capacitor precharge respectively.
Described intermediate dc link comprises Support Capacitor and capacitive strike resistance.
Described two-way DC/DC chopper comprises two IGBT power devices and a reactor, after described two IGBT power devices connect, with reactor, is connected.
The beneficial effect that the utility model compared with prior art had:
1) the cross-line operation can be realized, the different transportation demands of varying environment can be adapted to.
2) in non-electrified highway section, adopt power bag and closed-center system hybrid power supply pattern, realize the normal operation of no touch net operating mode.
3) non-electrified highway section in urban district, realize " zero " discharge.
4) in power bag power supply capacity under no touch net operating mode, braking energy is absorbed by closed-center system, has realized the recycle of energy, embodies the green energy conservation theory.
5) can realize the power supply in the train accelerator by closed-center system, realize best acceleration capability, but greatly reduce the power of power bag and volume, weight, realize best power density.
6) owing to having adopted closed-center system, these motor train unit not only have the service requirement in non-electrified highway section, at special sleety weather or contact system, emergency management and rescue and war preparedness function are arranged when impaired, can also use as portable power source.
The accompanying drawing explanation
Fig. 1 is the utility model embodiment power circuit schematic diagram;
Fig. 2 is the traction convertor composition frame chart;
Fig. 3 is traction convertor power circuit schematic diagram.
The specific embodiment
With reference to Fig. 1, the utility model embodiment mainly comprises traction transformer, the power bag, closed-center system, traction convertor, traction electric machine, contact system is connected by the former limit of pantograph and traction transformer, two secondary windings of traction transformer directly are connected with traction convertor, traction convertor is connected with traction electric machine, the effect of traction transformer is that the single-phase net pressure drop of ac contactor net is pressed, input voltage as traction convertor, traction convertor drives traction electric machine to realize the motor train unit traction again, diesel engine and electrical generator form the combustion power bag, the output of electrical generator three-phase directly is connected with traction convertor, closed-center system is connected with traction convertor intermediate dc bus.
With reference to Fig. 2, Fig. 3,1-traction transformer interface; 2-power packet interface; 3-closed-center system interface; 4-the first pre-charging device; The 5-four-quadrant rectifier; 6-intermediate dc link; The 7-traction invertor; The two-way DC/DC chopper of 8-; The 9-overvoltage suppression circuit; 10-traction electric machine interface; 11-AuCT interface; 12-the second pre-charging device; 13-the 3rd pre-charging device
Traction transformer interface 1 is connected with the input end of four-quadrant rectifier 5, and traction transformer interface 1 is pressed for the single-phase net pressure drop to contact system.Power packet interface 2 is connected with the input end of four-quadrant rectifier 5, closed-center system interface 3 is connected with DC/DC chopper 8, and be connected in parallel on the mouth DC bus of four-quadrant rectifier 5, intermediate dc link 6 is connected in parallel on the mouth DC bus of four-quadrant rectifier 5, the mouth of four-quadrant rectifier 5 is connected with the mouth of traction invertor 7, the mouth of traction invertor 7 is for being connected with the traction electric machine interface 10 of motor train unit, for 10 power supplies of traction electric machine interface, by traction electric machine interface 10, for motor train unit, provide power.Intermediate dc link 6 can comprise Support Capacitor C1 and capacitive strike resistance R c1, and Support Capacitor C1 has filter action to the mouth of four-quadrant rectifier 5, can stablize the vdc of four-quadrant rectifier 5 mouths.Closed-center system interface 3 can be connected with storage battery or super capacitor, also can be connected with other energy-storage travelling wave tubes such as flywheel or fuel cells.Overvoltage suppression circuit 9 is connected in parallel on the mouth DC bus of four-quadrant rectifier 5, overvoltage suppression circuit 9 comprises IGBT power device IV7 and the energy absorbing resistance R ov of series connection, overvoltage suppression circuit 9 is for absorbing the momentary voltage spike of DC link 6, to guarantee the safety of IGBT power device in circuit.AuCT interface 11 is connected in parallel on the mouth DC bus of four-quadrant rectifier 5, by intermediate dc link 6, is 11 power supplies of AuCT interface, and AuCT interface 11 is powered for the assistant load to motor train unit.The first pre-charging device 4 is arranged on the circuit between traction transformer interface 1 and four-quadrant rectifier 5, the second pre-charging device 12 is arranged on the circuit between power packet interface 2 and four-quadrant rectifier 5, and the 3rd pre-charging device 13 is arranged on the circuit between closed-center system interface 3 and two-way DC/DC chopper 8; Wherein, the first pre-charging device 4 and the second pre-charging device 12 and the 3rd pre-charging device 13 are identical, and the first pre-charging device 4 comprises the first main contactor LK1, the first precharge contactless switch K1 and the first pre-charge resistance R1.The second pre-charging device 12 comprises the second main contactor LK2, the second precharge contactless switch K2 and the second pre-charge resistance R2.The 3rd pre-charging device 13 comprises the 3rd main contactor K4, the 3rd precharge contactless switch K3 and the 3rd pre-charge resistance R3.
When the middle dc voltage of middle DC link 6 is low, can first closed the first precharge contactless switch K1, with the anti-paralleled diode of crossing the first pre-charge resistance R1 and change four-quadrant rectifier 5, Support Capacitor C1 is charged.After the voltage at Support Capacitor C1 two ends reaches certain value closed the first main contact LK1, disconnect the first precharge contactless switch K1, startup four-quadrant rectifier 5.Now, the second precharge contactless switch K2 and the second main contactor LK2 should remain open.
When the middle dc voltage of middle DC link 6 is low, also can first closed the second precharge contactless switch K2, the anti-paralleled diode by the second pre-charge resistance R2 and four-quadrant rectifier 5 charges to Support Capacitor C1.After the voltage at Support Capacitor C1 two ends reaches certain value closed the second main contact LK2, disconnect the second precharge contactless switch K2.Now, the first precharge contactless switch K1 and the first main contactor LK1 should remain open.
The 3rd main contactor K4 is for controlling the break-make of power circuit, and the 3rd precharge contactless switch K3 controls respectively the 3rd pre-charge resistance R3 to Support Capacitor C1 precharge.When the middle dc voltage of middle DC link 6 hangs down, first closed the 3rd precharge contactless switch K3, charge to middle Support Capacitor C1 with the anti-paralleled diode of crossing the 3rd pre-charge resistance R3, reactor L1 and IGNT power device BV1.After the voltage at Support Capacitor C1 two ends approaches energy-storage battery voltage, closed main contact K4, disconnection precharge contactless switch K3, then start two-way DC/DC chopper 8.
In the present embodiment, four-quadrant rectifier 5 comprises eight IGBT(Insulated Gate Bipolar Transistor, insulated gate bipolar transistor) power device, be specially IGBT power device CV1-CV8, four-quadrant rectifier 5 is for realizing the AC/DC(AC/DC) conversion, under the contact system powering mode, this four-quadrant rectifier 5 adopts two level main circuit topologies, by the phase shift pulse modulation technology, make the equivalent switching frequency of this four-quadrant rectifier 5 become the twice of single four-quadrant rectifier switching frequency, thereby greatly reduce the current harmonics of four-quadrant rectifier 5.
Traction invertor 7 can comprise six IGBT power device IV1-IV6, by the DC/AC(AC/DC) conversion, by the middle dc voltage inversion, be voltage and the adjustable three plase alternating current of frequency, for driving traction electric machine interface 10 in parallel, for motor train unit provide power.Traction invertor 7 can adopt High Performance motor control algorithm, on the basis of accurate flux observation, can carry out accurate torque control to traction electric machine interface 10, to guarantee the steadily reliable of acceleration and deceleration performance that motor train unit are good and operation; In addition, the multi-mode modulation algorithm be can adopt, to take full advantage of vdc, and power device loss, noise decrease reduced.
Two-way DC/DC chopper 8 comprises two IGBT power device BV1, BV2 and a reactor L1.After connecting, two IGBT power device BV1, BV2 are connected with reactor L1.By different on-off modes, realize closed-center system is discharged and recharged to control, be specially: under power bag powering mode, vehicle is when traction state, if power bag underproof, closed-center system interface 3 carries out boosting rectifier control by two-way DC/DC chopper 8, with the output haulage capacity, with the underproof of compensation power bag; During in braking mode, two-way DC/DC chopper 8 is carried out to step-down control when vehicle, to the closed-center system charging, to absorb braking energy, realize energy recycling.
Working process: having under the electric power source operating mode, when train traction, use four quadrant convertor to be powered, assurance train traction, ancillary system are normally moved, and under the prerequisite that meets the train traction demand, will carry out energy storage to closed-center system; When train braking, preferentially closed-center system is carried out to energy storage, when the closed-center system energy reaches critical when saturated, use four quadrant convertor by the braking energy feedback electrical network.
Under the operating mode of unregulated power source, when train traction, use four quadrant convertor to export and carry out rectification heat dynamic resource, use two-way DC/DC chopper to carry out the closed-center system electric discharge, the power supply mode combined with closed-center system by heat dynamic resource, meet the demand of train operation, obtain best acceleration capability; When the train constant-speed operation, train dynamics is provided by heat dynamic resource fully, and closed-center system is place in operation not; When train braking, the whole feedback closed-center systems of braking energy, realize energy efficient utilization and energy-saving and emission-reduction.
Claims (5)
1. the motor train unit traction system of a contact system, power bag and closed-center system hybrid power supply, it is characterized in that: mainly comprise traction transformer, power bag, closed-center system, traction convertor, traction electric machine, contact system is connected by the former limit of pantograph and traction transformer, two secondary windings of traction transformer directly are connected with traction convertor, and traction convertor is connected with traction electric machine; Diesel engine and electrical generator form the combustion power bag, and the output of electrical generator three-phase directly is connected with traction convertor, and closed-center system is connected with traction convertor intermediate dc bus.
2. contact system according to claim 1, the motor train unit traction system of power bag and closed-center system hybrid power supply, it is characterized in that: traction convertor comprises the traction transformer interface, the power packet interface, the closed-center system interface, the first pre-charging device, the second pre-charging device, the 3rd pre-charging device, four-quadrant rectifier, the intermediate dc link, traction invertor, two-way DC/DC chopper, overvoltage suppression circuit, traction electric machine interface and AuCT interface, described traction transformer interface is connected with the input end of described four-quadrant rectifier, described power packet interface is connected with the input end of described four-quadrant rectifier, described closed-center system interface is connected with described two-way DC/DC chopper, and be connected in parallel on the mouth DC bus of described four-quadrant rectifier, described the first pre-charging device is arranged on the circuit between described traction transformer interface and described four-quadrant rectifier, described the second pre-charging device is arranged on the circuit between described power packet interface and described four-quadrant rectifier, described the 3rd pre-charging device is arranged on the circuit between described closed-center system interface and described two-way DC/DC chopper, the mouth of described four-quadrant rectifier is connected with the input end of described traction invertor, described intermediate dc link is connected in parallel on the mouth DC bus of described four-quadrant rectifier, the mouth of described traction invertor is for being connected with described traction electric machine interface, described overvoltage suppression circuit is connected in parallel on the mouth DC bus of described four-quadrant rectifier, described AuCT interface is connected in parallel on the mouth DC bus of described four-quadrant rectifier.
3. the motor train unit traction system of contact system according to claim 2, power bag and closed-center system hybrid power supply, it is characterized in that: described the first pre-charging device, the second pre-charging device and the 3rd pre-charging device include main contactor, precharge contactless switch and pre-charge resistance; Described main contactor is for controlling the break-make of power circuit, and described precharge contactless switch is for controlling described the first pre-charging device, the second pre-charging device and the 3rd pre-charging device to described Support Capacitor precharge respectively.
4. the motor train unit traction system of contact system according to claim 2, power bag and closed-center system hybrid power supply, it is characterized in that: described intermediate dc link comprises Support Capacitor and capacitive strike resistance.
5. the motor train unit traction system of contact system according to claim 2, power bag and closed-center system hybrid power supply, it is characterized in that: described two-way DC/DC chopper comprises two IGBT power devices and a reactor, after described two IGBT power devices connect, with reactor, is connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320361779.0U CN203372078U (en) | 2013-06-24 | 2013-06-24 | Motor train unit traction system achieving hybrid power supply of overhead line system, power pack and energy storage device |
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| CN201320361779.0U CN203372078U (en) | 2013-06-24 | 2013-06-24 | Motor train unit traction system achieving hybrid power supply of overhead line system, power pack and energy storage device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192021A (en) * | 2014-09-05 | 2014-12-10 | 江苏今创车辆有限公司 | Overhead line system locomotive electric system without 110V storage battery |
| WO2014206079A1 (en) * | 2013-06-24 | 2014-12-31 | 长春轨道客车股份有限公司 | Traction system for motor train unit hybridly powered by overhead contact system, power pack and energy storage device |
| CN104553832A (en) * | 2014-11-28 | 2015-04-29 | 湖南大学 | Transformer core residual magnetism demagnetization system based on LC Plus four-quadrant converter oscillation circuit and transformer core residual magnetism demagnetization method based on LC Plus four-quadrant converter oscillation circuit |
| CN106208640A (en) * | 2015-05-07 | 2016-12-07 | 中车大连电力牵引研发中心有限公司 | Secondary power system for city rail vehicle |
| CN108162989A (en) * | 2017-12-27 | 2018-06-15 | 北京交通大学 | A kind of urban rail transit vehicles traction auxiliary integrated vehicle energy-storage system |
| US10300791B2 (en) | 2015-12-18 | 2019-05-28 | Ge Global Sourcing Llc | Trolley interfacing device having a pre-charging unit |
| CN110696846A (en) * | 2019-10-23 | 2020-01-17 | 中车大连机车车辆有限公司 | Multi-power-source railway vehicle and main and auxiliary transmission system and method thereof |
| ES2884003A1 (en) * | 2020-06-05 | 2021-12-09 | Patentes Talgo S L U | Hybrid power systems for railway assemblies (Machine-translation by Google Translate, not legally binding) |
| CN113997958A (en) * | 2021-12-03 | 2022-02-01 | 中车资阳机车有限公司 | Three-power locomotive group with power battery car and extensible traction topological structure |
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- 2013-06-24 CN CN201320361779.0U patent/CN203372078U/en not_active Withdrawn - After Issue
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014206079A1 (en) * | 2013-06-24 | 2014-12-31 | 长春轨道客车股份有限公司 | Traction system for motor train unit hybridly powered by overhead contact system, power pack and energy storage device |
| CN103481787B (en) * | 2013-06-24 | 2015-12-23 | 长春轨道客车股份有限公司 | The motor train unit traction system of contact system, power bag and closed-center system hybrid power supply |
| CN104192021A (en) * | 2014-09-05 | 2014-12-10 | 江苏今创车辆有限公司 | Overhead line system locomotive electric system without 110V storage battery |
| CN104553832A (en) * | 2014-11-28 | 2015-04-29 | 湖南大学 | Transformer core residual magnetism demagnetization system based on LC Plus four-quadrant converter oscillation circuit and transformer core residual magnetism demagnetization method based on LC Plus four-quadrant converter oscillation circuit |
| CN104553832B (en) * | 2014-11-28 | 2016-09-28 | 湖南大学 | The degaussing system and method for transformer core remanent magnetism based on LC Plus four quadrant convertor oscillation circuit |
| CN106208640A (en) * | 2015-05-07 | 2016-12-07 | 中车大连电力牵引研发中心有限公司 | Secondary power system for city rail vehicle |
| US10300791B2 (en) | 2015-12-18 | 2019-05-28 | Ge Global Sourcing Llc | Trolley interfacing device having a pre-charging unit |
| CN108162989A (en) * | 2017-12-27 | 2018-06-15 | 北京交通大学 | A kind of urban rail transit vehicles traction auxiliary integrated vehicle energy-storage system |
| CN108162989B (en) * | 2017-12-27 | 2020-04-17 | 北京交通大学 | Traction-assisted integrated vehicle-mounted energy storage system for urban rail transit vehicle |
| CN110696846A (en) * | 2019-10-23 | 2020-01-17 | 中车大连机车车辆有限公司 | Multi-power-source railway vehicle and main and auxiliary transmission system and method thereof |
| ES2884003A1 (en) * | 2020-06-05 | 2021-12-09 | Patentes Talgo S L U | Hybrid power systems for railway assemblies (Machine-translation by Google Translate, not legally binding) |
| CN113997958A (en) * | 2021-12-03 | 2022-02-01 | 中车资阳机车有限公司 | Three-power locomotive group with power battery car and extensible traction topological structure |
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| C14 | Grant of patent or utility model | ||
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| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Minghua Inventor after: Li Xuefei Inventor before: Zhao Minghua Inventor before: Jie Feng Inventor before: Zhou Yongzhi Inventor before: Ma Zhaoyu Inventor before: Di Liyuan Inventor before: Liu Junming Inventor before: Wan Zheng Inventor before: Tian Wei Inventor before: Di Lijia Inventor before: Wang Yingchao Inventor before: Jiang Yingzhi Inventor before: Li Jun Inventor before: Zhang Jinlong Inventor before: Jin Xin Inventor before: Wang Chengtao Inventor before: Xun Yutao Inventor before: Li Xuefei Inventor before: Wang Shubin Inventor before: Han Wei Inventor before: Kuang Yang Inventor before: Ha Dalei |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHAO MINGHUA LI JUN WANG CHENGTAO HA DALEI LI XUEFEI WANG SHUBIN HAN WEI KUANG YANG XUN YUTAO JIE FENG ZHOU YONGZHI MA ZHAOYU ZHAI LIYUAN LIU JUNMING WAN ZHENG TIAN WEI ZHAI LIJIA WANG YINGCHAO JIANG YINGZHI ZHANG JINLONG JIN XIN TO: ZHAO MINGHUA LI XUEFEI |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140101 Effective date of abandoning: 20151223 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |