CN112909925A - High-speed railway traction power supply device with photovoltaic power supply - Google Patents
High-speed railway traction power supply device with photovoltaic power supply Download PDFInfo
- Publication number
- CN112909925A CN112909925A CN202110095630.1A CN202110095630A CN112909925A CN 112909925 A CN112909925 A CN 112909925A CN 202110095630 A CN202110095630 A CN 202110095630A CN 112909925 A CN112909925 A CN 112909925A
- Authority
- CN
- China
- Prior art keywords
- power supply
- traction
- converter
- photovoltaic
- photovoltaic power
- 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.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Abstract
The invention discloses a high-speed railway traction power supply device containing a photovoltaic power supply, which comprises a traction power supply system, a converter, the photovoltaic power supply and a storage battery energy storage device, wherein the traction power supply system comprises a traction substation, a feeder line, a contact network, an electric locomotive, a track, a return line, a partition pavilion and a switching station, the converter, the photovoltaic power supply and the storage battery energy storage device are sequentially connected, the converter is arranged between the traction substations, the traction substation is connected with the converter through the feeder line, the partition pavilion is also arranged between the traction substations, the contact network is arranged between the traction substation and the partition pavilion, the traction substation is connected with the switching station, the electric locomotive is arranged on the track, and the track is connected with the traction substation through the return line. The invention can improve the utilization rate of regenerative braking energy and realize dynamic balance between power generation and load, has the characteristics of environmental protection, energy conservation and safe use, and is suitable for popularization and application.
Description
Technical Field
The invention belongs to the technical field of railway power supply devices, and relates to a high-speed railway traction power supply device containing a photovoltaic power supply.
Background
Under the background of energy internet, the nearby consumption of renewable energy by electrified railways will be the development direction of future traction power supply systems. According to relevant data statistics, 60% of energy consumption in a railway network is used for railway traction power supply, so that the development of relevant research work of energy conservation and emission reduction and sustainable development in the railway field has good prospect and economy. With the maturity of photovoltaic power generation technology and power electronic technology, it becomes possible to connect a photovoltaic system to a traction power supply system. The photovoltaic power generation system is connected to the traction power supply system to directly supply power for the traction load, the photovoltaic electric energy can be consumed nearby, meanwhile, the power supply requirement of a railway on the electric power system is reduced, and the full utilization of the electric energy of the electric power system is facilitated. The photovoltaic power generation has high storage capacity and mature technology, and is a main renewable energy source accessed to a traction power supply system. After the photovoltaic power generation is connected into the traction power supply system, because the photovoltaic power generation has stronger volatility and randomness and the intermittent and volatility of the train load of the traction power supply system, the dynamic balance between the power generation and the load is difficult to realize. Currently, there is less research on direct access of energy storage and photovoltaic systems to traction power supply systems.
Disclosure of Invention
The invention aims to provide a high-speed railway traction power supply device containing a photovoltaic power supply, which can improve the utilization rate of regenerative braking energy and realize dynamic balance between power generation and load.
The specific technical scheme is as follows:
the utility model provides a high-speed railway traction power supply unit who contains photovoltaic power supply, is including drawing power supply system, converter, photovoltaic power and battery energy memory, draw power supply system including drawing electric substation, feeder line, contact net, electric locomotive, track, return line, subregion pavilion, switching station, converter, photovoltaic power and battery energy memory connect gradually, be equipped with the converter between the traction electric substation, connect through the feeder line between traction electric substation and the converter, still be equipped with the subregion pavilion between the traction electric substation, be equipped with the contact net between traction electric substation and the subregion pavilion, it connects to draw electric substation and switching station, be equipped with electric locomotive on the track, the track passes through the return line and draws the electric substation to connect.
Further, the converter is located in a contact network power supply arm interval between two adjacent traction substations.
Further, the photovoltaic power source includes a photovoltaic array, a single-phase photovoltaic inverter, and a photovoltaic step-up transformer.
Has the advantages that:
the high-speed railway traction power supply device containing the photovoltaic power supply can improve the utilization rate of regenerative braking energy and realize dynamic balance between power generation and load.
Drawings
FIG. 1 is a schematic diagram of a high-speed railway traction power supply device containing a photovoltaic power supply.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, the high-speed railway traction power supply device with the photovoltaic power supply comprises a traction power supply system, a converter 1, the photovoltaic power supply 2 and a storage battery energy storage device 3, wherein the traction power supply system comprises a traction substation 4, a feeder 5, a contact network 6, an electric locomotive 7, a track 8, a return line 9, a partition pavilion 10 and a switching station 11, and the converter 1, the photovoltaic power supply 2 and the storage battery energy storage device 3 are sequentially connected. Be equipped with converter 1 between the traction substation 4, connect through feeder 5 between traction substation 4 and the converter 1, still be equipped with subregion pavilion 10 between the traction substation 4, be equipped with contact net 6 between traction substation 4 and the subregion pavilion 10, traction substation 4 and switching station 11 are connected, be equipped with electric locomotive 7 on the track 8, track 8 is connected with traction substation 4 through return line 9.
The converter is located in a contact network power supply arm interval between two adjacent traction substations.
The photovoltaic power source comprises a photovoltaic array, a single-phase photovoltaic inverter and a photovoltaic step-up transformer.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, and any simple modifications or equivalent substitutions of the technical solutions that can be obviously obtained by those skilled in the art within the technical scope of the present invention are within the scope of the present invention.
Claims (3)
1. The utility model provides a high-speed railway traction power supply device who contains photovoltaic power supply, its characterized in that, is including drawing power supply system, converter, photovoltaic power and battery energy memory, draw power supply system including drawing electric substation, feeder, contact net, electric locomotive, track, backward flow, subregion pavilion, switching station, converter, photovoltaic power and battery energy memory connect gradually, be equipped with the converter between the traction electric substation, connect through the feeder between traction electric substation and the converter, still be equipped with the subregion pavilion between the traction electric substation, be equipped with the contact net between traction electric substation and the subregion pavilion, it connects with the switching station to draw the electric substation, be equipped with electric locomotive on the track, the track passes through the backward flow and connects with the traction electric substation.
2. The high-speed railway traction power supply device containing the photovoltaic power supply according to claim 1, wherein the converter is located in a contact network power supply arm interval between two adjacent traction substations.
3. The high-speed railway traction power supply with photovoltaic power supply of claim 1, wherein the photovoltaic power supply comprises a photovoltaic array, a single-phase photovoltaic inverter and a photovoltaic step-up transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110095630.1A CN112909925A (en) | 2021-01-25 | 2021-01-25 | High-speed railway traction power supply device with photovoltaic power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110095630.1A CN112909925A (en) | 2021-01-25 | 2021-01-25 | High-speed railway traction power supply device with photovoltaic power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112909925A true CN112909925A (en) | 2021-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110095630.1A Pending CN112909925A (en) | 2021-01-25 | 2021-01-25 | High-speed railway traction power supply device with photovoltaic power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112909925A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113199968A (en) * | 2021-07-07 | 2021-08-03 | 中国铁路经济规划研究院有限公司 | Contact net power supply device for heat insulation of motor train unit and power supply method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2367255A1 (en) * | 2010-03-16 | 2011-09-21 | Beghelli S.p.A. | Energy supply plant for electric traction vehicles |
| CN111775782A (en) * | 2020-07-22 | 2020-10-16 | 西南交通大学 | Electrified railway traction emergency guarantee power supply system and control method |
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2021
- 2021-01-25 CN CN202110095630.1A patent/CN112909925A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2367255A1 (en) * | 2010-03-16 | 2011-09-21 | Beghelli S.p.A. | Energy supply plant for electric traction vehicles |
| CN111775782A (en) * | 2020-07-22 | 2020-10-16 | 西南交通大学 | Electrified railway traction emergency guarantee power supply system and control method |
Non-Patent Citations (1)
| Title |
|---|
| 徐起汉: "《铁路建设项目管理实用手册》", 31 January 1997 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113199968A (en) * | 2021-07-07 | 2021-08-03 | 中国铁路经济规划研究院有限公司 | Contact net power supply device for heat insulation of motor train unit and power supply method thereof |
| CN113199968B (en) * | 2021-07-07 | 2021-09-28 | 中国铁路经济规划研究院有限公司 | Contact net power supply device for heat insulation of motor train unit and power supply method thereof |
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Application publication date: 20210604 |