CN105644392A - Ground automatic passing slip phase system for electrified railway based on solid transfer switch - Google Patents
Ground automatic passing slip phase system for electrified railway based on solid transfer switch Download PDFInfo
- Publication number
- CN105644392A CN105644392A CN201610166151.3A CN201610166151A CN105644392A CN 105644392 A CN105644392 A CN 105644392A CN 201610166151 A CN201610166151 A CN 201610166151A CN 105644392 A CN105644392 A CN 105644392A
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- switch
- solid
- solid converting
- locomotive
- detection device
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- 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
- B60M3/04—Arrangements for cutting in and out of individual track sections
Abstract
The invention provides a ground automatic passing slip phase system for an electrified railway based on a solid transfer switch. The ground automatic passing slip phase system comprises a solid transfer switch, an over-voltage suppression device, a solid transfer switch loop protecting switch and a locomotive position detection device, wherein the locomotive position detection device is arranged on a steel rail; the over-voltage suppression device is arranged between neutral region contact nets and the steel rail; the solid transfer switch and the solid transfer switch loop protecting switch are communicated with neutral regions of contact nets and the contact nets on two adjacent sides; electric split phase neutral regions in the contact nets are kept electrified constantly by powering on the solid transfer switch, so that an electronic locomotive constantly carries phases A and B of voltage when passing through the contact nets. The ground automatic passing slip phase system has the beneficial effects that by transferring the solid switch, the electronic neutral regions of the contact nets constantly carry voltage of 27.5kV in the system, multi-influence of electric split phase to speeds, carrying capacities and the like of a high speed train and a heavy load electronic locomotive is eliminated, furthermore a series of problems caused by electric split phase can be solved, the carrying capacities of locomotives can be increased greatly, and the working intensity of drivers can be relieved.
Description
Technical field
The present invention relates to a kind of electric railway ground automatic passing over of neutral section system based on solid converting switch.
Background technology
The main problem that the locomotive power-off automatic passing over of neutral section that current electric railway adopts exists is: vehicle-mounted power-off automatic passing over of neutral section exists driver's labour intensity frequent problem of isolating switch action big, vehicle-mounted; Machinery switched attenuator switched-mode ground switching auto-passing neutral section device has application on general speed railway, it is achieved locomotive isolating switch is non-shut-brake crosses phase-splitting, and AC-DC locomotive generally can adapt to, and the compatible technique of HXD3 locomotive solves, and other model locomotive adaptability of HXD are also to be verified. Owing to machinery switched attenuator switched-mode ground switching auto-passing neutral section device can not adapt to CRH3 type EMUs control characteristic switching time, EMUs are crossed this kind of phase-splitting and are still divided lock.
Therefore, domestic high-speed railway adopts vehicle-mounted power-off to cross phase-splitting mode always, to there is no ground switching auto-passing neutral section device at present. The little speed of high-speed railway EMUs quality is fast, allows railway line slope big, and heavy haul railway major part is in mountain area, and indivedual section circuit slope is also spent greatly, owing to electrified railway power supply system must establish electricity phase-splitting at contact system. The steep gradient being difficult to avoid to solve establishes the electricity problem brought of phase-splitting, overcome machinery switch to be difficult to meet the slow-footed defect of Switching power, it is badly in need of the power supply device of a kind of ground switching non-shut-brake automatic passing over of neutral section of locomotive that can switch fast of exploitation, it is to increase the suitability of automatic passing over of neutral section.
Summary of the invention
The technical problem that the present invention solves is to provide a kind of electric railway ground automatic passing over of neutral section system based on solid converting switch, this system is based on the quick handoff technique of power electronics switch, in conjunction with the technology feature of electric railway own, the power electronics switch that adaptation electric railway switches fast is proposed, it is achieved the ground automatic passing over of neutral section system based on power electronics switch.
The present invention takes technical scheme to be to provide a kind of electric railway ground automatic passing over of neutral section system based on solid converting switch, this Operation system setting is electricity phase-splitting neutral zone NZ in contact system CL, when electric locomotive is between electricity phase-splitting neutral zone contact system and rail, electric energy is obtained from contact system neutral zone, wherein: this system comprises solid converting switch, overvoltage inhibiting apparatus RC, solid converting switch loop protection switch, locomotive position detection device, described locomotive position detection device is arranged on rail, overvoltage inhibiting apparatus is located between neutral zone contact system and rail, solid converting switch and solid converting switch loop protection switch are connected contact system neutral zone and adjacent both sides contact system,By conducting solid converting switch by contact system CL electricity phase-splitting neutral zone NZ ensure charged all the time, make electric locomotive from contact system by time all the time with voltage AB phase.
The invention has the beneficial effects as follows: by switching, solid-state switch makes contact system electricity phase-splitting neutral zone band 27.5kV voltage all the time to this system, eliminates the relative EMU of electricity point, the heavy duty multiple impact such as electric power locomotive speed and transportcapacity; And then solve a series of problems brought by electricity phase-splitting, greatly improve the capacity of train, reduce the labour intensity of driver.
Accompanying drawing explanation
Fig. 1 is the ground automatic neutral-section passing device System's composition schematic diagram of the present invention.
In figure:
K1, the first protection switch; K2, the 2nd protection switch; K3, the 3rd protection switch
K4, the 4th protection switch; F1, the first power electronics switch; F2, the 2nd power electronics switch
Embodiment
By reference to the accompanying drawings the electric railway ground automatic passing over of neutral section system architecture based on solid converting switch of the present invention is illustrated.
The electric railway ground automatic passing over of neutral section system based on solid converting switch of the present invention, this Operation system setting is electricity phase-splitting neutral zone NZ in contact system CL, when electric locomotive is between electricity phase-splitting neutral zone contact system and rail, electric energy is obtained from contact system neutral zone, this system comprises solid converting switch, overvoltage inhibiting apparatus RC, solid converting switch loop protection switch, locomotive position detection device, described locomotive position detection device is arranged on rail, overvoltage inhibiting apparatus is located between neutral zone contact system and rail, solid converting switch and solid converting switch loop protection switch are connected contact system neutral zone and adjacent both sides contact system, by conducting solid converting switch by contact system CL electricity phase-splitting neutral zone NZ ensure charged all the time, make electric locomotive from contact system by time all the time with voltage AB phase.
Described solid converting switch comprises the first power electronics switch F1, 2nd power electronics switch F2, 3rd protection K switch 3, 4th protection K switch 4, solid converting switch loop protection switch comprises the first protection K switch 1 and the 2nd protection K switch 2, described first power electronics switch F1 and the 3rd protection K switch 3 is connected in parallel and is connected in parallel formation solid converting switch with the 2nd power electronics switch F2 and the 4th protection K switch 4, in order to enable solid converting switch out of service, the first protection K switch 1 and the 2nd protection K switch 2 it is connected in series respectively at solid converting switch two ends, form solid-state switching over loop.
Described overvoltage inhibiting apparatus includes resistance R and electric capacity C, and the two ends of overvoltage inhibiting apparatus RC are connected to contact system neutral zone NZ and rail, so that solid converting switch loop over-voltage suppression overcurrent in handoff procedure.
Described locomotive position detection device adopts axis-counting device to arrange the first detection device CG1, second detection device CG2, the locomotive position detection of the 3rd detection device CG3 tri-place on rail.
Eliminate the relative EMU of electricity point, heavy duty electric power locomotive speed and transportcapacity impact by this system architecture, reduce driver's labour intensity.
For realizing its concrete practice of electric railway ground automatic passing over of neutral section system based on solid converting switch it is:
By Power Electronic Technique, solid-state switch is used for switching electricity phase-splitting two ends power supply in neutral zone, realizes switching, make neutral zone charged all the time.
By being arranged on the superpotential overcurrent absorption unit of neutral zone, it is achieved solid-state switch obtains superpotential overcurrent in the handoff procedure of neutral zone to be suppressed.
The electric railway of the solid converting switch of the present invention principle of ground automatic passing over of neutral section system:
As shown in Figure 1, during normal operation, first protects K switch 1 and the 2nd protection K switch 2 to close, when locomotive runs from the first detection device CG1 to the 3rd detection device CG3, when being positioned at the first detection device CG1 position, trigger solid-state switching first power electronics switch F1, make it close, contact system CL electricity phase-splitting neutral zone NZ is charged, when locomotive arrives second detection device CG2 position, triggering signal makes solid converting switch F1 disconnect, solid-state switching the 2nd power electronics switch F2 closes, make the neutral section electrical source exchange in phase-splitting district to another supply arm power supply, when locomotive is positioned at the 3rd detection device CG3, triggering signal disconnects the 2nd power electronics switch F2, switch recovering state is to original state, locomotive can the logical phase splitting region of continuous vehicle-mounted isolating switch.
First protection K switch the 1��four of solid-state switching protects K switch 4 for protection power electronics switch. When power electronics switch goes wrong; the 3rd protection K switch 3, the 4th protection K switch 4 switch is adopted to realize process of vehicle passing through phase breaking switching; when the electric current flowing through solid converting switch place exceedes permissible value; open the first protection K switch 1 and the 2nd protection K switch 2, recover electric phase-splitting herein and arrange.
The superpotential overcurrent of neutral section suppress device RC mainly act on be locomotive when position second detection device CG2, suppress the superpotential overcurrent problem that solid-state switching first power electronics switch F1 and the 2nd power electronics switch F2 produces at handoff procedure.
Claims (4)
1. the electric railway ground automatic passing over of neutral section system based on solid converting switch, this Operation system setting is electricity phase-splitting neutral zone (NZ) in contact system (CL), when electric locomotive is between electricity phase-splitting neutral zone contact system and rail, electric energy is obtained from contact system neutral zone, it is characterized in that: this system comprises solid converting switch, overvoltage inhibiting apparatus (RC), solid converting switch loop protection switch, locomotive position detection device, described locomotive position detection device is arranged on rail, overvoltage inhibiting apparatus is located between neutral zone contact system and rail, solid converting switch and solid converting switch loop protection switch are connected contact system neutral zone and adjacent both sides contact system, by conducting solid converting switch, electricity phase-splitting neutral zone (NZ) in contact system (CL) is ensured charged all the time, make electric locomotive from contact system by time all the time with voltage (AB phase).
2. the electric railway ground automatic passing over of neutral section system based on solid converting switch as described in right 1, it is characterized in that: described solid converting switch comprises the first power electronics switch (F1), 2nd power electronics switch (F2), 3rd protection switch (K3), 4th protection switch (K4), solid converting switch loop protection switch comprises the first protection switch (K1) and the 2nd protection switch (K2), described first power electronics switch (F1) and the 3rd protection switch (K3) are connected in parallel and are connected in parallel formation solid converting switch with the 2nd power electronics switch (F2) and the 4th protection switch (K4), in order to enable solid converting switch out of service, the first protection switch (K1) and the 2nd protection switch (K2) it is connected in series respectively at solid converting switch two ends, form solid-state switching over loop.
3. the electric railway ground automatic passing over of neutral section system based on solid converting switch as described in right 1, it is characterized in that: described overvoltage inhibiting apparatus includes resistance (R) and electric capacity (C), the two ends of overvoltage inhibiting apparatus (RC) are connected to contact system neutral zone (NZ) and rail, so that solid converting switch loop over-voltage suppression overcurrent in handoff procedure.
4. the electric railway ground automatic passing over of neutral section system based on solid converting switch as described in right 1, is characterized in that: described locomotive position detection device adopts axis-counting device to arrange the first detection device (CG1), second detection device (CG2), the locomotive position detection of the 3rd detection device (CG3) three place on rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610166151.3A CN105644392A (en) | 2016-03-22 | 2016-03-22 | Ground automatic passing slip phase system for electrified railway based on solid transfer switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610166151.3A CN105644392A (en) | 2016-03-22 | 2016-03-22 | Ground automatic passing slip phase system for electrified railway based on solid transfer switch |
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| CN105644392A true CN105644392A (en) | 2016-06-08 |
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| CN201610166151.3A Pending CN105644392A (en) | 2016-03-22 | 2016-03-22 | Ground automatic passing slip phase system for electrified railway based on solid transfer switch |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108327579A (en) * | 2018-03-15 | 2018-07-27 | 中铁二院工程集团有限责任公司 | Rail traffic surface power supply system conversion system and conversion method |
| CN111907382A (en) * | 2019-05-09 | 2020-11-10 | 株洲中车时代电气股份有限公司 | Power supply system for supplying power to long stator of long stator linear motor and step changing method |
| CN111934297A (en) * | 2020-08-20 | 2020-11-13 | 西南交通大学 | Relay protection method for switching passing neutral section device |
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| JPS6082453A (en) * | 1983-10-13 | 1985-05-10 | Meidensha Electric Mfg Co Ltd | Section power feeder for electric railroad |
| JPH0516713A (en) * | 1991-07-05 | 1993-01-26 | Toshiba Corp | Ac-dc selecting system |
| CN101837744A (en) * | 2010-06-02 | 2010-09-22 | 西南交通大学 | Novel method and device for phase separation control of ground surface over-current |
| CN102343835A (en) * | 2011-07-13 | 2012-02-08 | 北京兰德迅捷科技有限公司 | Method for realizing electric auto-passing neutral section of train by utilizing power electronic switching device |
| CN203126567U (en) * | 2012-12-18 | 2013-08-14 | 西南交通大学 | Electrical split phase damping structure for electrified railway |
| CN105383328A (en) * | 2015-11-06 | 2016-03-09 | 铁道第三勘察设计院集团有限公司 | Electric railway through type cophase power supply system based on flexible power transmission |
| CN205523769U (en) * | 2016-03-22 | 2016-08-31 | 铁道第三勘察设计院集团有限公司 | Electric Railway is with ground auto -passing phase separation system based on solid -state change over switch |
-
2016
- 2016-03-22 CN CN201610166151.3A patent/CN105644392A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6082453A (en) * | 1983-10-13 | 1985-05-10 | Meidensha Electric Mfg Co Ltd | Section power feeder for electric railroad |
| JPH0516713A (en) * | 1991-07-05 | 1993-01-26 | Toshiba Corp | Ac-dc selecting system |
| CN101837744A (en) * | 2010-06-02 | 2010-09-22 | 西南交通大学 | Novel method and device for phase separation control of ground surface over-current |
| CN102343835A (en) * | 2011-07-13 | 2012-02-08 | 北京兰德迅捷科技有限公司 | Method for realizing electric auto-passing neutral section of train by utilizing power electronic switching device |
| CN203126567U (en) * | 2012-12-18 | 2013-08-14 | 西南交通大学 | Electrical split phase damping structure for electrified railway |
| CN105383328A (en) * | 2015-11-06 | 2016-03-09 | 铁道第三勘察设计院集团有限公司 | Electric railway through type cophase power supply system based on flexible power transmission |
| CN205523769U (en) * | 2016-03-22 | 2016-08-31 | 铁道第三勘察设计院集团有限公司 | Electric Railway is with ground auto -passing phase separation system based on solid -state change over switch |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108327579A (en) * | 2018-03-15 | 2018-07-27 | 中铁二院工程集团有限责任公司 | Rail traffic surface power supply system conversion system and conversion method |
| CN111907382A (en) * | 2019-05-09 | 2020-11-10 | 株洲中车时代电气股份有限公司 | Power supply system for supplying power to long stator of long stator linear motor and step changing method |
| CN111934297A (en) * | 2020-08-20 | 2020-11-13 | 西南交通大学 | Relay protection method for switching passing neutral section device |
| CN111934297B (en) * | 2020-08-20 | 2022-03-11 | 西南交通大学 | Relay protection method for switching passing neutral section device |
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Application publication date: 20160608 |