CN105882569B - A kind of train alternating current-direct current secondary power system complementary based on light storage - Google Patents
A kind of train alternating current-direct current secondary power system complementary based on light storage Download PDFInfo
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- CN105882569B CN105882569B CN201510236877.5A CN201510236877A CN105882569B CN 105882569 B CN105882569 B CN 105882569B CN 201510236877 A CN201510236877 A CN 201510236877A CN 105882569 B CN105882569 B CN 105882569B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
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Abstract
The invention provides a kind of train alternating current-direct current secondary power system complementary based on light storage, system is formed by being laid on thin-film solar cell panel group, electrical energy changer, energy storage battery group, battery management system, ac bus, dc bus, grid-connecting apparatus, train jack system and EMS at the top of railway car.System obtains energy using the thin-film solar cell panel at the top of railway car, and direct current and AC power can be provided into compartment by entering line translation to the energy of acquisition, meet the needs of passenger's electricity consumption in train operation way；System can be by the electrical energy transportation in solar cell and energy storage battery to the train power-supply system of itself；System can also obtain electric energy from the power-supply system of train itself, and it is stored or utilized；System can also provide emergency power supply for train.
Description
Technical field
The present invention relates to field of photovoltaic power generation, and in particular to a kind of train alternating current-direct current accessory power supply complementary based on light storage
System.
Background technology
China railways mileage total bit is at the forefront in the world, and train sum is huge, and annual transmission passenger is up to tens people, with
The smart machine such as progress, mobile phone, iPad, notebook computer for science and technology is popularized, and passenger is not often on the road because having
There is charge power supply and worried.However, the power supply that train provides is used primarily in train driving, illumination, air-conditioning etc., except minority
Advanced compartment provides remaining outer compartment of a small amount of charging inlet and does not configure power interface, can not meet passenger's electricity consumption need at all
Ask.
The content of the invention
In order to solve the power demand of passenger, the invention provides a kind of train alternating current-direct current complementary based on light storage to aid in electricity
Source system, this main function of system are：
1. system provides dc source and the output interface of AC power for each compartment, used for passenger；
2. system provides and the grid-connecting apparatus of train own power source system, secondary power system and train own power source are realized
System is incorporated into the power networks, and secondary power system both can reduce train own power source to train own power source system inputing power
Input power, reach the purpose of energy-conservation；Secondary power system can obtain electric energy, supply row from train own power source system again
Car jack system or by electrical power storage in batteries.The two-way flow of energy is realized, improves secondary power system
Reliability.
3. in case of emergency, this secondary power system can provide stand-by power supply in short-term for train.
Specifically, the energy source of the accessory power supply is in the thin-film solar cell panel being laid at the top of railway car,
The electric energy of thin-film solar cell panel output preferentially supplies the electricity consumption of train jack system and batteries, and unnecessary electric energy passes through simultaneously
Net device is incorporated into train own power source system, reduces the input power in the oil consumption or pantograph of diesel locomotive.Urgent
In the case of, stop the power supply of train jack system, by the storage in the electric energy and energy storage battery group of solar panel output
Electric energy be incorporated into as stand-by power supply in train, maintain train power supply for a period of time.In addition, work as sun-generated electric power and electric power storage
When group exportable power in pond is close to 0, secondary power system can also obtain electric energy supply train from train own power source system
Jack system uses, can also be the electrical power storage of acquisition in energy storage battery group.
Fig. 1 is the schematic appearance in the train section compartment for being mounted with thin-film solar cell panel.
Wherein, 28 be compartment external structure, car body is in rectangular-shape, and car body top is curved.29 are mounted in
The thin-film solar cell panel of roof, thin-film solar cell panel mounting means, the film sun are clear that from figure
The profile and roof profile of energy cell panel are completely the same, arc are presented, cell panel profile adapts to the contour structures of roof completely, tightly
Roof is attached to, this configuration design and mounting means meet the streamlined line discipline design of train, will not be right in train operation
Train produces additional friction.The mounting means of polylith thin-film solar cell panel can also be clearly visible that from figure, they are vertical
To parallel arrangement.
Fig. 2 is the system construction drawing of the present invention.
System is by being laid on thin-film solar cell panel group 1 at the top of railway car, electrical energy changer 2, energy storage electric power storage
Pond group 8, battery management system 27, ac bus 13, dc bus 12, grid-connecting apparatus 5, train jack system 3 and energy pipe
Reason system 11 is formed.
Wherein electric power conversion apparatus 2 includes：DC-DC devices 6, bi-directional DC-DC device 7, direct current output DC-DC devices 9, list
Cross streams output DC-AC devices 10；Grid-connecting apparatus 5 includes net-connected controller 22, two-way grid-connected converter 21 and grid-connected switch
25；Train jack system 3 includes the jack system in each section compartment, often saves compartment jack system and configures all identical, compartment socket
System 18 includes：Direct current overcurrent protective switch 14, AC overcurrent protection switch 15, direct current output USB 15, AC single phase are inserted
Seat 17.
System architecture and operation principle are as follows：
Thin-film solar cell panel group 1 at the top of train, formed by polylith thin-film solar cell panel series and parallel.Wherein
Mounting means of the cell panel at the top of train be：Thin-film solar cell panel profile is identical with car body top, adapts to roof completely
Contour structures, it is curved, be close to car body top and fix；Polylith thin-film solar cell panel uses the side of side by side parallel arrangement
Formula.A polylith thin-film solar cell panel battery substring in series for thin-film solar cell panel group 1 at the top of train, one
Multiple battery substrings can be arranged on train by plowing, then all battery substrings of car body top are connected in parallel on bus rod 26.
Electric power conversion apparatus 2 includes：DC-DC devices 6, bi-directional DC-DC device 7, direct current output DC-DC devices 9, blow-up
Stream output DC-AC devices 10.The wherein input side connection bus rod 26 of DC-DC devices 6, outlet side connecting node one, DC-DC
Device 6 realizes the maximum power output of thin-film solar cell panel group 1 by MPPT algorithm, and the voltage of control node one is in volume
Determine in scope；The side connecting node one of bi-directional DC-DC device 7, opposite side connection energy storage battery group 8, bi-directional DC-DC device 7
According to the instruction of EMS 11, the charge or discharge of energy storage battery group 8 are given；The input side of direct current output DC-DC devices 9 connects
Node one, outlet side connection dc bus 12 are connect, direct current output DC-DC devices 9 start according to the instruction of EMS 11
Or stop powering to dc bus 12；The input side connecting node one of single phase ac output DC-AC devices 10, outlet side connection exchange
Bus 13, single phase ac output DC-AC devices 10 are started or stoped to ac bus 13 according to the instruction of EMS 11
Power supply.
Energy storage battery group 8 is made up of a number of battery series-parallel mode, due to train in itself not
Have the space of concentration to place energy storage battery group 8, thus energy storage battery group 8 using distributed way in the installation of every section compartment
The energy storage battery of certain capacity, they carry out connection in series-parallel according to the requirement of voltage class and stored energy capacitance, eventually through confluxing
The outlet side of bus connection DC-DC devices 7；Battery management system 27 is responsible for that each storage in energy storage battery group 8 is monitored and controlled
The working condition of battery, while can also exchange data with EMS 11.
Dc bus 12 connects direct current output DC-DC devices 9, provides dc source for each compartment, is filled on dc bus 12
There is voltage sensor, EMS 11 can gather voltage data on dc bus 12.The attachment means of ac bus 13 are single-phase
Exchange output DC-AC devices 10, provide single phase alternating current power supply for each compartment, voltage sensor, energy are housed on ac bus 13
Management system 11 can gather the voltage data of ac bus 13.
Train jack system 3 includes the jack system in each compartment of train, and the configuration of the jack system in each compartment is all identical,
Compartment jack system 18 includes：Direct current overcurrent protective switch 14, AC overcurrent protection switch 16, direct current output USB 15, hand over
Flow single-phase socket 17.The side of direct current overcurrent protective switch 14 connects dc bus 12, opposite side connection USB 15, USB
15 provide the user direct current output USB.The side of AC overcurrent protection switch 16 connects ac bus 13, and opposite side connection is handed over
Single-phase socket 17 is flowed, AC single phase socket 17 provides the user exchange accessory power outlet.There are multiple USB to insert in compartment jack system 18
Mouth and AC single phase socket.
Grid-connecting apparatus 5 includes：Two-way grid-connected converter 21, grid-connected switch 25, net-connected controller 22, wherein two-way grid-connected change
The side connecting node one of device 21, the grid-connected switch 25 of opposite side connection are flowed, 25 sides of grid-connected switch connect two-way grid-connected converter 21,
Opposite side connecting node two；Net-connected controller 22 is according to the two-way grid-connected converter 21 of the instruction of EMS 11 control and simultaneously
The mode of operation of net switch 25, realizes secondary power system and the energy in bidirectional flow of train power-supply system.
EMS 11 gathers the information of battery management system 27, obtains the SOC information of energy storage battery group 8；Energy
Measure the voltage, straight of the voltage of the acquisition node two of management system 11, the information of DC-DC devices 6, dc bus 12 and ac bus 13
The power output of stream output DC-DC devices 9 and single phase ac output DC-AC devices 10, is compared according to the data collected
And judgement, control DC-DC devices 6, bi-directional DC-DC device 7, direct current output DC-DC devices 9, single phase ac output DC-AC devices
10th, the work of net-connected controller 22.
Under normal circumstances, thin-film solar cell panel group 1 is that power output only supplies compartment jack system, i.e. the film sun
The electric energy that energy cell plate group 1 exports supplies by device direct current output DC-DC devices 9 and single phase ac output DC-AC devices 10
Train jack system, herein under the premise of be to the control strategies of following situations：
If the voltage of dc bus 12 and ac bus 13 is in the respective range of nominal tension and thin-film solar cell panel
The peak power that group 1 can currently export is more than total electric power of train jack system, then EMS 11 gives two-way DC-
DC devices 7 send instruction, device bi-directional DC-DC device 7 is charged to energy storage battery group 8, if the SOC of energy storage battery group 8
Reach 100%, then EMS 11 sends to net-connected controller 22 and instructed, and net-connected controller 22 controls two-way grid-connected converter
Excess power in secondary power system is transported in train own power source system by device 21 and grid-connected switch 25.
If the voltage of dc bus 12 and ac bus 13 is in the respective range of nominal tension and thin-film solar cell panel
Currently the peak power that can export is equal to total electric power of train jack system for group 1, then EMS 11 is to two-way DC-
DC devices 7 send instruction and stop bi-directional DC-DC 7 charging to batteries 8 of device；Simultaneously EMS 11 to and network control
Device 22 processed sends instruction, and net-connected controller 22 controls two-way grid-connected converter 21 and grid-connected switch 25 by secondary power system and row
Car own power source system disconnects.
If the voltage of dc bus 12 or ac bus 13 is less than the respective range of nominal tension and thin-film solar cell panel
The power of the output of group 1 has reached maximum, illustrates underpower that current thin-film solar cell panel group 1 exports to meet system
Electricity consumption, therefore EMS 11 sends to bi-directional DC-DC device 7 and instructed, control bi-directional DC-DC device 7 gives batteries 8
Electric discharge, makes the voltage stabilization of dc bus 12 and ac bus 13 in the respective range of nominal tension；If batteries 8 are being put
Electricity, but the S0C values of batteries 8 be less than 10% or dc bus 12 and the voltage of ac bus 13 still not in respective rated voltage model
In enclosing, then EMS 11 sends to net-connected controller 22 and instructed, and net-connected controller 22 controls two-way grid-connected converter 21
With it is grid-connected switch 25 by the electrical energy transportation in train own power source system into secondary power system, supply the jack system in compartment
Electricity consumption, so that dc bus 12 and the voltage stabilization of ac bus 13 be in the respective range of nominal tension, EMS in addition
11 can also send instruction to bi-directional DC-DC device 7, and bi-directional DC-DC device 7 can utilize the electric energy of train own power source system to auxiliary
The batteries 8 helped in power-supply system charge.
If EMS 11 detects that the voltage of node two is less than the rated voltage of train own power source system, energy
Management system 11 exports DC-AC devices 10 to direct current output DC-DC devices 9 and single phase ac and sends instruction, stops their work
Make；EMS 11 sends to bi-directional DC-DC device 7 and instructed, and bi-directional DC-DC device 7 is discharged to batteries 8；Energy
Measure management system 11 and send instruction to net-connected controller 22, net-connected controller 22 controls two-way grid-connected converter 21 and grid-connected switch
25 by the electrical energy transportation in secondary power system into train own power source system, realize the thin He of thin-film solar cell panel group 1
Batteries 8 are delivered the power in a manner of maximum power output in train own power source system, and secondary power system is row
Car provides stand-by power supply in short-term.
Brief description of the drawings
When considered in conjunction with the accompanying drawings, by referring to following detailed description, the present invention can be more completely more fully understood, with
And easily learn many of which with the advantages of, but accompanying drawing described herein be used for a further understanding of the present invention is provided,
The part of the present invention is formed, schematic description and description of the invention is used to explain the present invention, do not formed to this hair
Bright improper restriction, wherein：
Fig. 1 is the schematic appearance in the train section compartment for being mounted with thin-film solar cell panel
Fig. 2 is the system construction drawing of the present invention.
The present invention is further described with reference to the accompanying drawings and examples.
Embodiment
Obviously, those skilled in the art belong to the guarantor of the present invention based on many modifications and variations that spirit of the invention is done
Protect scope.
Embodiment：
As shown in Fig. 2 system includes：It is laid on the thin-film solar cell panel group 1 at the top of railway car, transformation of electrical energy fills
Put 2, energy storage battery group 8 and battery management system 27, ac bus 13, dc bus 12, grid-connecting apparatus 5, train socket
System 3 and EMS 11.
In actual use, mounting means such as Fig. 1 of thin-film solar cell panel group 1 shows, select one piece it is relatively conventional soft
Property thin-film solar cell panel：1080mm * 790mm * 2mm, voltage 12V, the W of peak power 150, two pieces of cell panels are connected
To 24V battery substrings.The compartment number of a usual train is 16~20 sections, the size about 25m*3m*4m in usual section compartment, then
One section compartment can lay about 27 battery substrings, take a train can lay solar panel compartment number be 16, then one time
Train can spread 432 battery substrings altogether, and solar panel output is 24V about 64.8kW.
The voltage of control node one is 48V, and bi-directional DC-DC device 7 is 24V to the charging voltage of energy storage battery group 8, directly
Stream output DC-DC devices 9 export 5V DC voltages, make the voltage stabilization of dc bus 12, and DC-AC devices 10 export 220V alternating currents
Pressure makes the voltage stabilization of ac bus 13.
Two-way grid-connected converter 21 is made up of four quadrant convertor, the instruction sent according to EMS 11, grid-connected
Controller 22 controls the two-way mode of operation of grid-connected converter 21, realizes secondary power system and the energy of train own power source system
Two-way flow.
Train jack system 3 includes：The jack system in each section compartment, jack system configuration all phases in each section compartment
Together, the USB in each jack system obtains voltage output vertical compression 5V from dc bus 12, and single phase ac socket is from exchange
Bus 13 obtains the single-phase 220V exchanges of voltage output.In railway car：2 USBs and 2 single-phase alternating current supply sockets
An insert row is formed, 20 insert rows are installed in a compartment.Overcurrent protective switch 14 and 16 is separately mounted to the total input-wire position of socket
Put, each installation 1.
During system operation, EMS 11 gathers the information of battery management system 27, obtains energy storage battery group
SOC information；The voltage of the acquisition node two of EMS 11, information, dc bus 12 and the ac bus of DC-DC devices 6
13 voltage, direct current output DC-DC devices 9 and single phase ac export the power output of DC-AC devices 10, according to the number collected
According to being compared and judging, control DC-DC devices 6, bi-directional DC-DC device 7, direct current output DC-DC devices 9, single phase ac are defeated
Go out DC-AC devices 10, the mode of operation of net-connected controller 22.
Under normal circumstances, the power output of thin-film solar cell panel group 1 only supplies compartment jack system, herein under the premise of it is right
The control strategy of following situations is：
If the voltage of dc bus 12 is equal to 5V, the voltage of ac bus 13 in 218~222V of rated range and film
The peak power that solar panel group 1 can currently export is more than total electric power of train jack system, then energy management system
System 11 sends charging instruction to bi-directional DC-DC device 7 and charged to energy storage battery group 8, until the SOC value of energy storage battery group 8
Reach 100%.If the SOC value of energy storage battery group 8 reaches 100%, EMS 11 is sent to bi-directional DC-DC device 7 to be referred to
Order stops the charging of energy storage battery group 8, while EMS 11 sends to net-connected controller 22 and instructed, net-connected controller
Excess power in secondary power system is transported to train itself electricity by the two-way grid-connected converter 21 of 22 controls and grid-connected switch 25
In the system of source, i.e., the remaining power input of solar panel into train own power source system, used for train, so as to subtract
Lack the input power of train own power source, reach the purpose of energy-conservation.
If the voltage of dc bus 12 is equal to 5V, the voltage of ac bus 13 in 218~222V of rated range and film
The peak power that solar panel group 1 can currently export is equal to total electric power of train jack system, then energy management system
System 11 sends the charge or discharge of instruction stopping energy storage battery group 8 to bi-directional DC-DC device 7.EMS 11 simultaneously
Send and instruct to net-connected controller 22, net-connected controller 22 controls two-way grid-connected converter 21 and grid-connected switch 25 by accessory power supply
System and train own power source system disconnect.
If the voltage of dc bus 12 is less than 218V, and thin-film solar cell panel less than the voltage of 5V or ac bus 13
The power of the output of group 1 has reached maximum, illustrates underpower that current thin-film solar cell panel group 1 exports to meet system
Electricity consumption, therefore EMS 11 sends electric discharge instruction to bi-directional DC-DC device 7 and discharged to energy storage battery group 8, makes direct current
Bus 12 and the voltage stabilization of ac bus 13 are in the respective range of nominal tension；If energy storage battery group 8 is being discharged, but energy storage
The S0C values of batteries 8 be less than 10% or dc bus 12 and the voltage of ac bus 13 still not in the respective range of nominal tension,
Then EMS 11 sends to net-connected controller 22 and instructed, and net-connected controller 22 controls two-way grid-connected converter 21 and grid-connected
Switch 25, by the electrical energy transportation in train own power source system into secondary power system so that dc bus 12 with exchange
The voltage stabilization of bus 13 is in the respective range of nominal tension；In addition EMS 11 can also be sent to bi-directional DC-DC device 7
Charging instruction, charged using the electric energy of train own power source system to the energy storage battery group 8 in secondary power system.
If EMS 11 detects that the voltage of node two is less than the rated voltage of train own power source system, energy pipe
Reason system 11 sends electric discharge instruction to bi-directional DC-DC device 7 and discharged to energy storage battery group 8；EMS 11 is to grid-connected
Controller 22 sends instruction, and net-connected controller 22 controls two-way grid-connected converter 21 and grid-connected switch 25, by thin film solar electricity
The electric energy stored in electric energy and energy storage battery group 8 that pond plate group 1 exports is transported to train certainly in a manner of maximum power output
In body power-supply system, instantaneous stand-by power supply is provided for train.
A kind of train alternating current-direct current secondary power system that complementation is stored up based on light provided by the present invention has been carried out in detail above
It is thin to introduce, the exemplary embodiment of the application is described above by reference to accompanying drawing.Those skilled in the art should manage
Solution, purpose that the embodiment above is merely to illustrate that and the example lifted, rather than for being limited, it is all in the application
Teaching and claims under made any modification, equivalent substitution etc., should be included in this application claims
In the range of.
Claims (6)
- A kind of 1. train alternating current-direct current secondary power system complementary based on light storage, it is characterised in that：Train is laid on including a set of The thin-film solar cell panel group (1) at top, energy storage battery group (8), battery management system (27), electric power conversion apparatus (2), dc bus (12), ac bus (13), grid-connecting apparatus (5), train jack system (3) and EMS (11)；Wherein, each partly specifically include as follows：1）Thin-film solar cell panel group (1) is made up of the solar cell substring of all car body tops of train, all solar energy Battery substring is connected in parallel on bus rod (26), and the film that each solar cell substring is arranged by polylith side by side parallel again is too It is positive can cell panel formed by way of series and parallel, and at the top of the profile of every piece of thin-film solar cell panel and railway car Structure is identical, curved, is close to car body top and fixes；2）Energy storage battery group (8) is made up of a number of battery series-parallel mode, due to train in itself not Have the space of concentration to place energy storage battery group (8), thus energy storage battery group (8) using distributed way in every section compartment The energy storage battery of certain capacity is installed, they carry out connection in series-parallel according to the requirement of voltage class and stored energy capacitance, eventually through Bus rod is connected to the input side of bi-directional DC-DC device (7)；In addition, battery management system (27) is responsible for that storage is monitored and controlled The working condition of each battery in energy storage device group (8), while also data can be exchanged with EMS (11)；3）Electric power conversion apparatus (2) includes：DC-DC devices (6), bi-directional DC-DC device (7), direct current output DC-DC devices (9), Single phase ac output DC-AC devices (10)；The wherein input side connection bus rod (26) of DC-DC devices (6), outlet side connection Node one, DC-DC devices (6) realize that the maximum power output of thin-film solar cell panel group (1) tracks control by MPPT algorithm System, and the voltage of control node one is in rated range；The output connecting node one of bi-directional DC-DC device (7), and according to energy The instruction of management system (11), give energy storage battery group (8) charge or discharge；The input side of direct current output DC-DC devices (9) connects Connect node one, outlet side connection dc bus (12), direct current output DC-DC devices (9) are according to the fingers of EMS (11) Order is started or stoped to DC bus powered；The input side connecting node one of single phase ac output DC-AC devices (10), outlet side Ac bus (13) is connected, single phase ac output DC-AC devices (10) start or stopped according to the instruction of EMS (11) Only powered to ac bus (13)；4）Grid-connecting apparatus (5) includes：Net-connected controller (22), two-way grid-connected converter (21) and grid-connected switch (25)；Wherein Two-way grid-connected converter (21) side connecting node one, the grid-connected switch (25) of opposite side connection；Grid-connected switch (25) opposite side connects Connect node two；Net-connected controller (22) controls two-way grid-connected converter (21) and grid-connected according to the instruction of EMS (11) The mode of operation of (25) is switched, realizes secondary power system and the energy in bidirectional flow of train power-supply system；5）Train jack system (3) includes：Compartment jack system (18), and the jack system for often saving compartment configures all identical, car Railway carriage or compartment jack system (18) includes：Direct current output USB (15), AC single phase socket (17).
- 2. the train alternating current-direct current secondary power system complementary based on light storage according to claim 1, it is characterised in that：Energy Management system (11) collection DC-DC devices (6), bi-directional DC-DC device (7), direct current output DC-DC devices (9), single phase ac are defeated Go out DC-AC devices (10), dc bus (12), ac bus (13), node two, the information of battery management system (27), according to The information collected controls DC-DC devices (6), bi-directional DC-DC device (7), direct current output DC-DC devices (9), single phase ac defeated Go out DC-AC devices (10), the mode of operation of net-connected controller (22).
- 3. the train alternating current-direct current secondary power system complementary based on light storage according to claim 1, it is characterised in that：Film The power of solar panel group (1) output preferentially supplies train jack system (3) use, i.e., preferentially supply direct current output DC- DC devices (9), single phase ac output DC-AC devices (10)；EMS (11) collection direct current output DC-DC devices (9), Output general power, the power output of thin-film solar cell panel group (1) and the MPPT letters of single phase ac output DC-AC devices (10) The information of voltage of breath, the SOC of energy storage battery group (8), dc bus (12) and ac bus (13) is compared judgement, if directly The voltage of stream bus (12) and ac bus (13) is in the respective range of nominal tension and thin-film solar cell panel group (1) also has The fan-out capability of excess power, then EMS (11) to bi-directional DC-DC device (7) send instruction, fill bi-directional DC-DC (7) are put to charge to energy storage battery group (8), if the SOC of energy storage battery group (8) reaches 100%, EMS (11) Send and instruct to net-connected controller (22), net-connected controller (22) controls two-way grid-connected converter (21) and grid-connected switch (25) will Excess power in secondary power system is transported in train own power source system.
- 4. the train alternating current-direct current secondary power system complementary based on light storage according to claim 1, it is characterised in that：It is if thin The power very little of film solar cell plate group (1) output is even close to 0, then EMS (11) gives bi-directional DC-DC dress Put (7) and send instruction, bi-directional DC-DC device (7) is discharged energy storage battery group (8), energy storage battery group (8) is inner The electric energy supply train jack system (3) of storage；If now, the voltage of dc bus (12) and ac bus (13) is not still each From in the range of nominal tension, then EMS (11) sends to net-connected controller (22) and instructed, net-connected controller (22) control Two-way grid-connected converter (21) and grid-connected switch (25) are made by the electrical energy transportation in train own power source system to accessory power supply system In system, train jack system (3) electricity consumption is supplied.
- 5. the train alternating current-direct current secondary power system complementary based on light storage according to claim 1, it is characterised in that：Energy The voltage of management system (11) acquisition node two is compared judgement, if the voltage of node two is less than train own power source system Rated voltage, secondary power system maintain the power supply of train for a period of time using as the emergency power supply of train；Energy management System (11) exports DC-AC devices (10) to direct current output DC-DC devices (9) and single phase ac and sends halt instruction；Energy pipe Reason system (11) sends to bi-directional DC-DC device (7) and instructed, and bi-directional DC-DC device (7) is carried out energy storage battery group (8) Electric discharge；EMS (11) sends to net-connected controller (22) and instructed, and net-connected controller (22) controls two-way grid-connected converter Device (21) and it is grid-connected switch (25) by the electrical energy transportation in secondary power system into train own power source system；Now, film Solar panel (1) and batteries (8) will deliver the power to train own power source system in a manner of maximum power output In system.
- 6. the train alternating current-direct current secondary power system complementary based on light storage according to claim 1, it is characterised in that：Energy Management system (11) can send to net-connected controller (22) and instruct, net-connected controller (22) control two-way grid-connected converter (21) and Grid-connected switch (25) by the electrical energy transportation in train own power source system into secondary power system, give by EMS (11) Bi-directional DC-DC device (7) sends instruction, bi-directional DC-DC device (7) is charged to batteries (8), can be by train own power source Electric energy in system is input in secondary power system, and by electrical power storage in batteries (8).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510236877.5A CN105882569B (en) | 2015-05-12 | 2015-05-12 | A kind of train alternating current-direct current secondary power system complementary based on light storage |
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| CN201510236877.5A CN105882569B (en) | 2015-05-12 | 2015-05-12 | A kind of train alternating current-direct current secondary power system complementary based on light storage |
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| CN105882569B true CN105882569B (en) | 2018-03-06 |
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| CN106828123B (en) * | 2017-02-10 | 2023-04-07 | 西南交通大学 | High-speed railway traction power supply system with distributed photovoltaic power supply and control method |
| CN109239536B (en) * | 2017-07-10 | 2022-06-14 | 比亚迪股份有限公司 | Train and insulation detection system of train |
| CN109412216A (en) * | 2017-08-16 | 2019-03-01 | 比亚迪股份有限公司 | Train and its vehicle-mounted charging device |
| CN108808818A (en) * | 2018-06-20 | 2018-11-13 | 中国能源建设集团甘肃省电力设计院有限公司 | A kind of facility powered for train and maintenance gang house using photovoltaic generation and energy storage device |
| 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 |
| DE102022113348A1 (en) | 2022-05-25 | 2023-11-30 | Wilhelm Seifermann | Mobile solar power plants for feeding electricity into rail transport and/or storing electricity |
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