CN103166307A - Electric locomotive power supply system achieving complementation of solar energy and electric supply - Google Patents
Electric locomotive power supply system achieving complementation of solar energy and electric supply Download PDFInfo
- Publication number
- CN103166307A CN103166307A CN2011104267713A CN201110426771A CN103166307A CN 103166307 A CN103166307 A CN 103166307A CN 2011104267713 A CN2011104267713 A CN 2011104267713A CN 201110426771 A CN201110426771 A CN 201110426771A CN 103166307 A CN103166307 A CN 103166307A
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- power supply
- electric locomotive
- electric
- transformer
- solar energy
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000009466 transformation Effects 0.000 abstract 3
- 238000005516 engineering process Methods 0.000 description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses an electric locomotive power supply system achieving complementation of solar energy and electric supply. The electric locomotive power supply system comprises a solar photovoltaic array, a direct current (DC)/DC converter, a protection unit, a DC/alternating current (AC) converter, a power grid controller, a transformer, a traction power transformation device, a contact net and an electric locomotive, wherein the protection unit is used for preventing the fact that reverse charging is conducted to the solar photovoltaic array by a storage battery. The DC/AC converter is used for detecting voltage of the storage battery in real time and enabling solar power supply to be switched into electric supply power supply when the voltage is lower than the specified lower limiting value, the transformer is connected with the power grid controller, the traction power transformation device is connected with the transformer and arranged inside a traction electric power substation, the contact net is connected with the traction power transformation device and arranged along the railway, and the electric locomotive is connected with the contact net, and powered up by the contact net. The electric locomotive power supply system is simple in structure and convenient to install, utilizes complementation power supply of the solar energy and the electric supply, and not only greatly improves energy using efficiency, but also guarantees normal operation of the electric locomotive.
Description
Technical field
The present invention relates to a kind of electric power system, especially relate to the electric locomotive power supply system of a kind of solar energy and mains hybrid.
Background technology
Most countries all adopts power frequency (50Hz) AC system in the world at present, or 25Hz low-frequency ac system.Under this power supply system, traction substation changes over 25kV industrial frequency single phase ac series excited motor with three-phase alternating current, and alternating current is become galvanic task because completing on locomotive.Improved during due to contact line voltage ratio DC system a lot, the diameter of contact wire can reduce relatively, has reduced consumption and the construction investment of non-ferrous metal.
Solar energy is as a kind of novel green regenerative energy sources, comparing with other new forms of energy and utilizing maximum is optimal renewable resource, particularly nearly decades, along with the continuous progress of science and technology, solar energy and related industry thereof become one of the fastest industry of world development.The Application of Solar Energy of China is started late, but development speed is very fast.China's photovoltaic industry has been brought into play important effect in the living standard that satisfies domestic market needs and the outlying areas without electricity people of raising and special industry application.It is the electric locomotive power supply that photovoltaic array is converted into electric energy, will greatly save electric power resource.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned deficiency of the prior art, the electric locomotive power supply system of a kind of solar energy and mains hybrid is provided, during work when daytime weather fine, when solar irradiation is very sufficient, powered to electric locomotive by solar storage battery, when rainy weather and night, powered to electric locomotive by electrical network; Both greatly improve the utilance of resource, guaranteed again the normal operation of electric locomotive.
for solving the problems of the technologies described above, the technical solution used in the present invention is: the electric locomotive power supply system of a kind of solar energy and mains hybrid, it is characterized in that: comprise the photovoltaic array that solar energy is converted to electric energy, the DC/DC transducer of the voltage and current of photovoltaic array output being adjusted and storage battery being charged, be used for preventing that storage battery is to the protected location of photovoltaic array reverse charge, join with storage battery and the direct current of its output be converted to the DC/AC transducer of alternating current, detect in real time the voltage of storage battery and switch to solar powered the power system controller that utility grid is powered during lower than the regulation lower limit when described voltage, the transformer that joins with power system controller, join with transformer and be arranged on traction converting equipment in traction substation, join with the traction converting equipment and be laid in the contact line of Along Railway and join with contact line and by the electric locomotive of its power supply, described protected location joins with photovoltaic array and DC/DC transducer respectively, and described storage battery, DC/AC transducer and utility grid are all joined with power system controller.
The electric locomotive power supply system of above-mentioned a kind of solar energy and mains hybrid is characterized in that: described protected location is blocking diode.
The electric locomotive power supply system of above-mentioned a kind of solar energy and mains hybrid is characterized in that: described transformer is the step-up transformer of output 25KV.
The electric locomotive power supply system of above-mentioned a kind of solar energy and mains hybrid is characterized in that: described power system controller inside comprises voltage detection unit and automatic change-over, and described voltage detection unit is voltage transformer.
The present invention compared with prior art has the following advantages, and is simple in structure, installs and lays conveniently, adopts the power supply of solar energy and mains hybrid, both greatly improved the utilance of resource, guaranteed again the normal operation of electric locomotive.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is schematic block circuit diagram of the present invention.
Description of reference numerals:
The 1-photovoltaic array; The 2-protected location; The 3-DC/DC transducer;
The 4-storage battery; The 5-DC/AC transducer; The 6-power system controller;
The 7-utility grid; The 8-transformer; 9-draws converting equipment;
The 10-contact line; The 11-electric locomotive.
Embodiment
as shown in Figure 1, the present invention includes the photovoltaic array 1 that solar energy is converted to electric energy, the DC/DC transducer 3 of the voltage and current of photovoltaic array 1 output being adjusted and storage battery 4 being charged, be used for preventing the protected location 2 of 4 pairs of photovoltaic array 1 reverse charges of storage battery, join with storage battery 4 and the direct current of its output be converted to the DC/AC transducer 5 of alternating current, detect in real time the voltage of storage battery 4 and switch to solar powered the power system controller 6 that utility grid 7 is powered during lower than the regulation lower limit when described voltage, the transformer 8 that joins with power system controller 6, join with transformer 8 and be arranged on traction converting equipment 9 in traction substation, join with traction converting equipment 9 and be laid in the contact line 10 of Along Railway and join with contact line 10 and by the electric locomotive 11 of its power supply, described protected location 2 joins with photovoltaic array 1 and DC/DC transducer 3 respectively, and described storage battery 4, DC/AC transducer 5 and utility grid 7 are all joined with power system controller 6.
In the present embodiment, described protected location 2 is blocking diode.
In the present embodiment, described transformer 8 is the step-up transformer of output 25KV.
In the present embodiment, described power system controller 6 inside comprise voltage detection unit and automatic change-over, and described voltage detection unit is voltage transformer.
The above; it is only preferred embodiment of the present invention; be not that the present invention is imposed any restrictions, every any simple modification, change and equivalent structure of above embodiment being done according to the technology of the present invention essence changes, and all still belongs in the protection range of technical solution of the present invention.
Claims (4)
1. the electric locomotive power supply system of a solar energy and mains hybrid, it is characterized in that: comprise the photovoltaic array (1) that solar energy is converted to electric energy, the DC/DC transducer (3) of the voltage and current of photovoltaic array (1) output being adjusted and storage battery (4) being charged, be used for preventing that storage battery (4) is to the protected location (2) of photovoltaic array (1) reverse charge, join with storage battery (4) and the direct current of its output be converted to the DC/AC transducer (5) of alternating current, detect in real time the voltage of storage battery (4) and switch to solar powered the power system controller (6) that utility grid (7) is powered during lower than the regulation lower limit when described voltage, the transformer (8) that joins with power system controller (6), join with transformer (8) and be arranged on the interior traction converting equipment (9) of traction substation, join with traction converting equipment (9) and be laid in the contact line (10) of Along Railway and join with contact line (10) and by the electric locomotive (11) of its power supply, described protected location (2) joins with photovoltaic array (1) and DC/DC transducer (3) respectively, and described storage battery (4), DC/AC transducer (5) and utility grid (7) are all joined with power system controller (6).
2. according to the electric locomotive power supply system of a kind of solar energy claimed in claim 1 and mains hybrid, it is characterized in that: described protected location (2) is blocking diode.
3. according to the electric locomotive power supply system of the described a kind of solar energy of claim 1 or 2 and mains hybrid, it is characterized in that: described transformer (8) is the step-up transformer of output 25KV.
4. according to the electric locomotive power supply system of the described a kind of solar energy of claim 1 or 2 and mains hybrid, it is characterized in that: described power system controller (6) inside comprises voltage detection unit and automatic change-over, and described voltage detection unit is voltage transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104267713A CN103166307A (en) | 2011-12-15 | 2011-12-15 | Electric locomotive power supply system achieving complementation of solar energy and electric supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104267713A CN103166307A (en) | 2011-12-15 | 2011-12-15 | Electric locomotive power supply system achieving complementation of solar energy and electric supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103166307A true CN103166307A (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104267713A Pending CN103166307A (en) | 2011-12-15 | 2011-12-15 | Electric locomotive power supply system achieving complementation of solar energy and electric supply |
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| Country | Link |
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| CN (1) | CN103166307A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104218875A (en) * | 2014-09-10 | 2014-12-17 | 中铁第一勘察设计院集团有限公司 | Independent photovoltaic power generation railway power supply control system and control method thereof |
| CN105329108A (en) * | 2015-10-29 | 2016-02-17 | 邹斌 | New energy automobile adopting V2H (Vehicle to Home) technology based on solar power generation |
| CN107658862A (en) * | 2017-09-25 | 2018-02-02 | 北京千驷驭电气有限公司 | DC traction power supply system based on new energy access |
| CN109606394A (en) * | 2018-12-10 | 2019-04-12 | 辽宁科技大学 | An electric locomotive control system |
| CN110504692A (en) * | 2019-08-27 | 2019-11-26 | 西南交通大学 | Unified power flow control system and method for photovoltaic energy storage traction power supply in urban rail transit |
| CN113752834A (en) * | 2020-06-03 | 2021-12-07 | 株洲中车时代电气股份有限公司 | Train self-powered system and method and train |
| CN114006458A (en) * | 2021-11-04 | 2022-02-01 | 西藏农牧学院 | Photovoltaic and electrified railway combined power supply device |
-
2011
- 2011-12-15 CN CN2011104267713A patent/CN103166307A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104218875A (en) * | 2014-09-10 | 2014-12-17 | 中铁第一勘察设计院集团有限公司 | Independent photovoltaic power generation railway power supply control system and control method thereof |
| CN104218875B (en) * | 2014-09-10 | 2016-08-31 | 中铁第一勘察设计院集团有限公司 | Independent photovoltaic generating railway power supply control system and control method thereof |
| CN105329108A (en) * | 2015-10-29 | 2016-02-17 | 邹斌 | New energy automobile adopting V2H (Vehicle to Home) technology based on solar power generation |
| CN107658862A (en) * | 2017-09-25 | 2018-02-02 | 北京千驷驭电气有限公司 | DC traction power supply system based on new energy access |
| CN109606394A (en) * | 2018-12-10 | 2019-04-12 | 辽宁科技大学 | An electric locomotive control system |
| CN110504692A (en) * | 2019-08-27 | 2019-11-26 | 西南交通大学 | Unified power flow control system and method for photovoltaic energy storage traction power supply in urban rail transit |
| CN110504692B (en) * | 2019-08-27 | 2022-10-21 | 西南交通大学 | Unified power flow control system and method for photovoltaic energy storage traction power supply in urban rail transit |
| CN113752834A (en) * | 2020-06-03 | 2021-12-07 | 株洲中车时代电气股份有限公司 | Train self-powered system and method and train |
| CN114006458A (en) * | 2021-11-04 | 2022-02-01 | 西藏农牧学院 | Photovoltaic and electrified railway combined power supply device |
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Application publication date: 20130619 |