CN212627180U - Start-stop control system of regenerative braking energy absorption device - Google Patents
Start-stop control system of regenerative braking energy absorption device Download PDFInfo
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- CN212627180U CN212627180U CN202021177134.8U CN202021177134U CN212627180U CN 212627180 U CN212627180 U CN 212627180U CN 202021177134 U CN202021177134 U CN 202021177134U CN 212627180 U CN212627180 U CN 212627180U
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- regenerative braking
- braking energy
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y02T10/72—Electric energy management in electromobility
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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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/126—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]
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Abstract
A start-stop control system of a regenerative braking energy absorption device relates to the technical field of regenerative braking energy of rail transit, solves the problem of dragging circulation between the regenerative braking energy absorption devices of uncontrolled rectification and different tractions of a diode, and comprises a regenerative braking energy absorption device controller, a regenerative braking energy absorption device inversion module, a regenerative braking energy absorption device start-stop control module, an alternating voltage acquisition module, an alternating current sampling module, a direct current sampling module and a human-computer interaction interface; the existing functional modules of the regenerative braking energy absorption device are used, the starting and stopping time and the starting and stopping times of the regenerative braking energy absorption device in unit time are recorded under the condition that the hardware cost is not increased, and whether the device has the dragging phenomenon of a traction direct current system and an alternating current system is judged through a starting and stopping control module, so that the automatic adjustment of the starting and stopping voltage of the device is realized, and the dragging phenomenon of the system is prevented.
Description
Technical Field
The utility model relates to a track traffic regenerative braking energy absorbing device especially relates to a regenerative braking energy absorbing device's start-stop control system.
Background
As is well known, urban rail transit is an effective way to solve the problem of urban traffic congestion. When the train is regeneratively braked, the electric working condition of the traction motor is converted into the power generation working condition, the kinetic energy of the train is converted into electric energy, most of the electric energy is fed back to the direct current traction network except for part of the electric energy consumed by auxiliary power equipment of the regenerative train, the voltage of the direct current traction network is increased, and in order to stabilize the voltage of the traction network, a set of regenerative braking energy absorption device is generally arranged to absorb redundant regenerative direct current electric energy and convert the regenerative direct current electric energy into an alternating current power network for use by power distribution equipment, so that the voltage stability of the direct current traction network is maintained, and the regenerative braking capacity of the train is.
The existing subway adopts a power supply mode of a distributed traction station, a traction substation adopts a diode uncontrollable rectification to provide direct-current voltage of a traction network, and due to the difference of traction power supply voltages, the problem of drag circulation current exists between the diode uncontrollable rectification and regenerative braking energy absorption devices of different traction stations.
Disclosure of Invention
In order to solve the problem, the utility model provides a regenerative braking energy absorbing device's start-stop machine control system provides the start-stop machine control system of the data acquisition control integration of simplifying. In order to achieve the above purpose, the utility model adopts the following technical scheme: a start-up and shut-down control system of a regenerative braking energy absorption device comprises a regenerative braking energy absorption device controller, a regenerative braking energy absorption device inversion module, a regenerative braking energy absorption device start-up and shut-down control module, an alternating voltage acquisition module, an alternating current sampling module, a direct current voltage sampling module and a human-computer interaction interface, wherein the alternating voltage acquisition module is electrically connected with an alternating current power grid, the alternating current sampling module is electrically connected with the alternating current power grid, the direct current voltage sampling module is electrically connected with the direct current power grid, the regenerative braking energy absorption device start-up and shut-down control module is connected with the alternating voltage acquisition module, the alternating current sampling module and the direct current voltage sampling module, the regenerative braking energy absorption device controller is connected with the regenerative braking energy absorption device start-up and shut-down control module through an SPI interface, the inversion module of the regenerative braking energy absorption device is connected with the regenerative braking energy absorption device controller through an optical fiber, and the human-computer interaction interface is connected with the start-stop control module of the regenerative braking energy absorption device through an RS485 communication interface.
Further, the direct current voltage acquisition module comprises a voltage conversion plate and a signal conversion plate, the voltage conversion plate acquires direct current power grid voltage signals, the signal conversion plate converts the voltage signals into analog signals suitable for being received by the regenerative braking energy absorption device start-stop control module, and the regenerative braking energy absorption device start-stop control module judges data and transmits a regenerative braking energy absorption device controller start-stop instruction and a start-stop initial voltage value through the SPI port.
Further, the alternating current voltage acquisition module comprises a voltage conversion plate and a signal conversion plate, the voltage conversion plate acquires alternating current power grid voltage signals, the signal conversion plate converts the voltage signals into analog signals suitable for being received by the regenerative braking energy absorption device start-stop control module, the regenerative braking energy absorption device start-stop control module judges data, and transmits a regenerative braking energy absorption device controller start-stop instruction and an initial start-stop voltage value through the SPI port.
Furthermore, the start-stop control module of the regenerative braking energy absorption device comprises a logic processing module, a data acquisition board and a data communication interface board, wherein the logic processing module executes logic judgment on data received by the data sampling board, the data acquisition board receives signals converted by the voltage and current signal conversion boards, and the data communication interface board receives data of the data acquisition board and uploads the collected data to the human-computer interaction interface.
Further, the regenerative braking energy absorption device controller comprises a timer module and a counter module, when the regenerative braking energy absorption device controller receives a start-stop command and an initial start-stop voltage value of a start-stop control module of the regenerative braking energy absorption device, and transmits the start-stop command to an inversion module of the regenerative braking energy absorption device through an optical fiber, the device completes corresponding start-stop control, meanwhile, the timer module starts to time the accumulated start-stop command time received in 2 minutes, and the counter starts to record the accumulated start-stop command times received in 2 minutes.
Compared with the prior art, the utility model discloses following beneficial effect has: the existing functional modules of the regenerative braking energy absorption device are used, the starting and stopping time and the starting and stopping times of the regenerative braking energy absorption device in unit time are recorded under the condition that the hardware cost is not increased, and whether the device has the dragging phenomenon of a traction direct current system and an alternating current system is judged through the starting and stopping control module, so that the automatic adjustment of the starting and stopping voltage of the device is realized, the dragging phenomenon of the system is prevented, and the important guarantee is provided for the stable operation and the intelligent debugging of the system.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described with reference to fig. 1 and the specific embodiments.
As shown in fig. 1, a start-up and shut-down control system of a regenerative braking energy absorption device comprises a regenerative braking energy absorption device controller, a regenerative braking energy absorption device inverter module, a regenerative braking energy absorption device start-up and shut-down control module, an alternating voltage acquisition module, an alternating current sampling module, a direct current voltage sampling module and a human-computer interaction interface, wherein the alternating voltage acquisition module is electrically connected with an alternating current network, the alternating current sampling module is electrically connected with the alternating current network, the direct current voltage sampling module is electrically connected with a direct current network, the regenerative braking energy absorption device start-up and shut-down control module is connected with the alternating current voltage acquisition module, the alternating current sampling module and the direct current voltage sampling module, the regenerative braking energy absorption device controller is connected with the regenerative braking energy absorption device start-up and shut-down control module through an SPI interface, the inversion module of the regenerative braking energy absorption device is connected with the regenerative braking energy absorption device controller through an optical fiber, and the human-computer interaction interface is connected with the start-stop control module of the regenerative braking energy absorption device through an RS485 communication interface.
Further, the direct current voltage acquisition module comprises a voltage conversion plate and a signal conversion plate, the voltage conversion plate acquires direct current power grid voltage signals, the signal conversion plate converts the voltage signals into analog signals suitable for being received by the regenerative braking energy absorption device start-stop control module, and the regenerative braking energy absorption device start-stop control module judges data and transmits a regenerative braking energy absorption device controller start-stop instruction and a start-stop initial voltage value through the SPI port.
Further, the alternating current voltage acquisition module comprises a voltage conversion plate and a signal conversion plate, the voltage conversion plate acquires alternating current power grid voltage signals, the signal conversion plate converts the voltage signals into analog signals suitable for being received by the regenerative braking energy absorption device start-stop control module, the regenerative braking energy absorption device start-stop control module judges data, and transmits a regenerative braking energy absorption device controller start-stop instruction and an initial start-stop voltage value through the SPI port.
Furthermore, the start-stop control module of the regenerative braking energy absorption device comprises a logic processing module, a data acquisition board and a data communication interface board, wherein the logic processing module executes logic judgment on data received by the data sampling board, the data acquisition board receives signals converted by the voltage and current signal conversion boards, and the data communication interface board receives data of the data acquisition board and uploads the collected data to the human-computer interaction interface.
Further, the regenerative braking energy absorption device controller comprises a timer module and a counter module, when the regenerative braking energy absorption device controller receives a start-stop command and an initial start-stop voltage value of a start-stop control module of the regenerative braking energy absorption device, and transmits the start-stop command to an inversion module of the regenerative braking energy absorption device through an optical fiber, the device completes corresponding start-stop control, meanwhile, the timer module starts to time the accumulated start-stop command time received in 2 minutes, and the counter starts to record the accumulated start-stop command times received in 2 minutes.
The utility model discloses a theory of operation and working process as follows: the regenerative braking energy absorption device start-stop control module collects voltage signals of a main line of an alternating current power grid, current signals and direct current power grid voltage signals output by the regenerative braking energy absorption device inversion module, an internal logic processing module of the regenerative braking energy absorption device start-stop control module logically judges the start-stop command and the initial start-up voltage value of collected data and transmits the start-stop command and the initial start-up voltage value to the regenerative braking energy absorption device controller through an SPI port, the regenerative braking energy absorption device start-stop control module uploads the collected data to a human-computer interaction interface through a data communication interface board, and the voltage, the current and the start-stop times recorded by the human-computer interaction interface are converted into a waveform chart and displayed by a statistical table.
When the regenerative braking energy absorption device controller receives a start-stop command of a start-stop control module of the regenerative braking energy absorption device, the timer module starts to time the start-stop command time received in 2 minutes, and the counter starts to record the number of the start-stop command times received in 2 minutes; the recorded start-stop time executed in 2 minutes is compared with the set time, the start-stop times are compared with the set times, the adjustment instruction of the voltage of the start-stop device of the device is generated according to the judgment result, and the regenerative braking energy absorption device controller uploads the adjustment start-stop voltage command to the start-stop control module of the regenerative braking energy absorption device through the SPI communication interface, so that the automatic start-stop voltage adjustment of the device is completed.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (5)
1. A start-up and shut-down control system of a regenerative braking energy absorption device comprises a regenerative braking energy absorption device controller, a regenerative braking energy absorption device inversion module, a regenerative braking energy absorption device start-up and shut-down control module, an alternating voltage acquisition module, an alternating current sampling module, a direct current voltage sampling module and a human-computer interaction interface, and is characterized in that the alternating voltage acquisition module is electrically connected with an alternating current network, the alternating current sampling module is electrically connected with the alternating current network, the direct current voltage sampling module is electrically connected with a direct current network, the regenerative braking energy absorption device start-up and shut-down control module is connected with the alternating voltage acquisition module, the alternating current sampling module and the direct current voltage sampling module, the regenerative braking energy absorption device controller is connected with the regenerative braking energy absorption device start-up and shut-down control module through an SPI interface, the inversion module of the regenerative braking energy absorption device is connected with the regenerative braking energy absorption device controller through an optical fiber, and the human-computer interaction interface is connected with the start-stop control module of the regenerative braking energy absorption device through an RS485 communication interface.
2. The system of claim 1, wherein the dc voltage acquisition module comprises a voltage converter board and a signal converter board.
3. The system of claim 1, wherein the ac voltage collection module comprises a voltage converter board and a signal converter board.
4. The system of claim 1, wherein the regenerative braking energy absorption device start-stop control module comprises a logic processing module, a data acquisition board, and a data communication interface board.
5. The start-up and shut-down control system for a regenerative braking energy absorption unit of claim 1, wherein the regenerative braking energy absorption unit controller comprises a timer module and a counter module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021177134.8U CN212627180U (en) | 2020-06-23 | 2020-06-23 | Start-stop control system of regenerative braking energy absorption device |
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| CN202021177134.8U CN212627180U (en) | 2020-06-23 | 2020-06-23 | Start-stop control system of regenerative braking energy absorption device |
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| CN212627180U true CN212627180U (en) | 2021-02-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114906015A (en) * | 2022-04-21 | 2022-08-16 | 西南交通大学 | Alternating current-direct current traction power supply structure and control method for electrified railway |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114906015A (en) * | 2022-04-21 | 2022-08-16 | 西南交通大学 | Alternating current-direct current traction power supply structure and control method for electrified railway |
| CN114906015B (en) * | 2022-04-21 | 2023-04-07 | 西南交通大学 | Alternating current-direct current traction power supply structure and control method for electrified railway |
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