CN206465785U - A kind of vehicle mounted rail traffic brake energy feedback system based on novel energy storage apparatus - Google Patents
A kind of vehicle mounted rail traffic brake energy feedback system based on novel energy storage apparatus Download PDFInfo
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- CN206465785U CN206465785U CN201720157057.1U CN201720157057U CN206465785U CN 206465785 U CN206465785 U CN 206465785U CN 201720157057 U CN201720157057 U CN 201720157057U CN 206465785 U CN206465785 U CN 206465785U
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Abstract
The utility model discloses a kind of vehicle mounted rail traffic brake energy feedback system based on novel energy storage apparatus, including starting module, become flow module, energy-storage module and resistive module, starting module is connected to the positive and negative end of vehicle main bus-bar, energy-storage module is connected after becoming flow module with starting module, energy-storage module includes the disconnecting switch being sequentially connected in series, fuse, lithium-ion capacitor group, resistive module includes pressure limiting resistance, its one end is connected with the lithium-ion capacitor group in energy-storage module, the other end is connected by vehicle insulated gate bipolar transistor with the positive pole of vehicle main bus-bar, it is fast that the system possesses absorption storage energy, small volume, it is lightweight, and ensure that Traction networks pressure is stablized relatively.
Description
Technical field
The utility model belongs to brake energy feedback system technical field, more particularly to a kind of vehicular of energy-saving and emission-reduction
Track traffic brake energy feedback system.
Background technology
The braking of urban track traffic is generally electric braking (i.e. regenerative braking, resistive braking) and air damping two-stage, then
During raw braking, traction motor is in generator operating mode, and regenerative electric energy passes through VVVF inverter feds to DC Traction Network.Traction
The regenerative electric energy obtained is netted in addition to fraction is utilized by vehicular electrical equipment, remaining is powered other online vehicles or electrical equipment
Absorb.The urban transportation rectifying installation has irreversibility, is regenerated when not having enough load absorptions on circuit
During electric energy, superfluous regenerative electric energy meeting lifting mains voltage after it exceedes safe voltage, can cause regenerative braking to fail.
To this partial regeneration electric energy, most domestic Rail Transit System is consumed using the resistor of vehicle-mounted setting in heat dissipation form,
To ensure Traction networks safe power supply.Because braking resistor volume is big, and its heat dissipation can cause tunnel temperature rise, be needed using this method
Special resistor setting place and ventilation and heat equipment are wanted, the waste of energy, reduction are caused while increase operating cost
Capacity usage ratio.Rule of thumb, the feedback energy that train regenerative braking is produced is generally the 30% even more many of haulage capacity,
Only 30%~50% braking energy can be utilized.
Vehicle-mounted energy-storage system is favored with its good Technological Economy type by domestic and international expert, researcher.By inciting somebody to action
Vehicle-mounted energy-storage system not only can ensure city rail vehicle again as the energy buffering system between track traffic and DC Traction Network
What life was braked is smoothed out, while can effectively improve the relative stability of direct current net pressure.But in the prior art, with super electricity
Container as energy storage device energy-storage system existing defects.The energy density of ultracapacitor is low, and volume is big, energy storage device it is whole
Body weight weight, for vehicle mounted rail traffic, adds its operation burden, the balance that can not meet railcar will
Ask.Further, since the memory capacity of vehicle-mounted energy storage device is limited, if for the braking energy more than its rated capacity without and
When handle, superfluous feedback braking energy still results in traction net voltage fluctuation, therefore stability is relatively poor.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of vehicular track based on novel energy storage apparatus and handed over
Logical brake energy feedback system, the system possesses absorption storage energy soon, and small volume is lightweight, and ensure that Traction networks pressure
Stablize relatively.
In order to solve the above technical problems, the technical solution adopted in the utility model：A kind of car based on novel energy storage apparatus
Load formula track traffic brake energy feedback system, the system includes starting module, becomes flow module, energy-storage module and resistive mode
Block, the starting module is connected to the positive and negative end of vehicle main bus-bar, and energy-storage module connects after becoming flow module with starting module
Connect, the energy-storage module includes disconnecting switch, fuse, lithium-ion capacitor group, and disconnecting switch, fuse, lithium-ion electric
Container group is sequentially connected in series, and resistive module includes pressure limiting resistance, described pressure limiting resistance one end and the lithium ion in energy-storage module
Capacitor bank is connected, and the other end is connected by vehicle insulated gate bipolar transistor with the positive pole of vehicle main bus-bar.
Further, the lithium-ion capacitor group is to be made up of lithium-ion capacitance monomer by connection in series-parallel.
Further, the starting module includes fuse, starts resistance, pre-charge contactor and main contactor, described
Start after resistance is connected with pre-charge contactor and be connected in parallel on main contactor two ends again.
Further, it is described to become the filter capacitor that flow module includes being connected in parallel on vehicle main bus-bar two ends, it is connected to main bus-bar
The filter reactor of positive pole, the change flow module also includes the insulated gate bipolar transistor of the even number of two and above quantity,
Described insulated gate bipolar transistor the first half is sequentially connected between main bus-bar positive pole and filter capacitor, and later half is sequentially connected with
One end is connected between the first half insulated gate bipolar transistor and filter capacitor again afterwards, other end connection main bus-bar negative pole.Institute
The quantity of insulated gate bipolar transistor is stated by the power decision in system, when system power increases, insulated gate can be increased
The quantity of bipolar transistor meets duty requirements.Wherein, describe during insulated gate bipolar transistor " the first half " used with
It is front and rear just for the sake of distinguishing wherein " half " and remaining " second half " in " later half ", not before defined position
Afterwards.
Further, the change flow module includes filter capacitor, and the first insulated gate bipolar transistor, the second insulated gate is double
Bipolar transistor, filter reactor, the filter capacitor is parallel to vehicle main bus-bar two ends, described first after starting module
Insulated gate bipolar transistor, filter reactor is sequentially connected with the positive pole of vehicle main bus-bar, second insulated gate bipolar
Transistor one end is connected between the first insulated gate bipolar transistor and filter reactor, the other end and vehicle main bus-bar negative pole
Connection.
Further, the change flow module includes filter capacitor, and the first insulated gate bipolar transistor, the second insulated gate is double
Bipolar transistor, filter reactor, the 3rd insulated gate bipolar transistor, the 4th insulated gate bipolar transistor, striding capacitance,
The filter capacitor is parallel to vehicle main bus-bar two ends, first insulated gate bipolar transistor, after starting module
Two insulated gate bipolar transistors, filter reactor is sequentially connected with the positive pole of vehicle main bus-bar, the 3rd insulated gate bipolar
Transistor npn npn one end is connected between the second insulated gate bipolar transistor and filter reactor, and the other end passes through the 4th insulated gate
Bipolar transistor is connected with vehicle main bus-bar negative pole, and described striding capacitance one end is connected to the first insulated gate bipolar transistor
And second between insulated gate bipolar transistor, the other end is connected to the 3rd insulated gate bipolar transistor and the 4th insulated gate is double
Between bipolar transistor.
Further, the change flow module comprises at least one, when becoming flow module more than one, becomes two between flow module
Two are connected in parallel with each other, and the change flow module after parallel connection is integrally connected between starting module and energy-storage module as one.
The beneficial effects of the utility model：Vehicle mounted rail traffic Brake Energy of the utility model based on novel energy storage apparatus
Feedback system is measured, is, as energy-storage module, it is possessed absorption storage energy soon, small volume, weight based on lithium-ion capacitor group
The advantage such as amount is light, and the system resistive module can consume stored through energy-storage module after superfluous braking energy, Neng Goubao
Traction networks pressure is demonstrate,proved relatively to stablize.
Brief description of the drawings
Fig. 1 is the vehicle mounted rail traffic brake energy feedback system structural representation of embodiment 1；
Fig. 2 is the vehicle mounted rail traffic brake energy feedback system structural representation of embodiment 2.
Embodiment
With reference to embodiment, present disclosure is more specifically illustrated.The implementation of the present invention is not limited to following reality
Example is applied, any formal accommodation or change made to the present invention all should be within the scope of the present invention.
Embodiment 1：
As shown in figure 1, the vehicle mounted rail traffic braking energy described in the utility model based on novel energy storage apparatus is returned
Feedback system, including starting module, become flow module, energy-storage module and resistive module, and starting module is connected to vehicle main bus-bar
Positive and negative end, for being pre-charged and connecting major loop.Starting module includes fuse FU1, starts resistance R1, and precharge connects
Tentaculum KM2 and main contactor KM1, main contactor KM1 is connected in parallel on wherein starting after resistance R1 connects with pre-charge contactor KM2 again
Two ends.Becoming flow module is used for buck current transformation, and it includes filter capacitor C1, the first insulated gate bipolar transistor T1, the
Two insulated gate bipolar transistor T2, filter reactor L, the filter capacitor C1 are parallel to the main mother of vehicle after starting module
Line two ends, the first insulated gate bipolar transistor T1, filter reactor L is sequentially connected with the positive pole of vehicle main bus-bar, institute
State second insulated gate bipolar transistor T2 one end be connected to the first insulated gate bipolar transistor T1 and filter reactor L it
Between, the other end is connected with vehicle main bus-bar negative pole.When system power increases, the quantity for becoming flow module, Duo Gebian can be increased
Flow module, which is connected in parallel, can meet system high power applying working condition.Energy-storage module is mainly used in the recovery of braking energy and released
Put, it is connected after becoming flow module with starting module, energy-storage module includes disconnecting switch QS, fuse FU2, lithium-ion capacitor
Group LIC, lithium-ion capacitor group LIC is to be made up of lithium-ion capacitance monomer by connection in series-parallel.Disconnecting switch QS, fuse FU2,
Lithium-ion capacitor group LIC is sequentially connected in series；Resistive module is used to consume after energy-storage module and remained more than when setting voltage
Remaining braking electricity, it includes pressure limiting resistance R2, described pressure limiting resistance R2 one end and the lithium-ion capacitor group in energy-storage module
LIC connections, the other end is connected by vehicle insulated gate bipolar transistor with the positive pole of vehicle main bus-bar.The Brake energy recovery
The mode of operation of system is as follows：
First, pre-charge contactor KM2 is closed in starting module when track traffic brings into operation, to become the filter in flow module
Ripple electric capacity C1 is pre-charged, when precharge 8 seconds or so, main contactor KM1 closures, and pre-charge contactor KM2 is disconnected, and connection is led back
Road.After track traffic is braked, braking energy feedback is in main bus-bar, and braking energy is depressured after unsteady flow block transforms, recovery
Braking energy is stored in lithium-ion capacitor group.If also having remaining braking energy after energy-storage module and main bus-bar voltage exceeding
During setting value, the pressure limiting resistance R2 in resistive module is by consumed energy, to ensure the stabilization of line voltage.When track traffic starts
Or when accelerating, line voltage reduction, lithium-ion capacitor group release electricity is boosted by becoming flow module unsteady flow, then by starting
Main contactor in module is by electricity feedback in main bus-bar.
Embodiment 2：
The difference of embodiment 2 and embodiment 1 is the difference of unsteady flow modular structure, and starting module, energy-storage module
And resistive module is identical with embodiment 1, as shown in Figure 2.Becoming flow module in the embodiment includes filter capacitor C1, the first insulation
Grid bipolar transistor T1, the second insulated gate bipolar transistor T2, filter reactor L, the 3rd insulated gate bipolar transistor
T3, the 4th insulated gate bipolar transistor T4, striding capacitance C2, the filter capacitor C1 are parallel to vehicle after starting module
Main bus-bar two ends, the first insulated gate bipolar transistor T1, the second insulated gate bipolar transistor T2, filter reactor L
It is sequentially connected with the positive pole of vehicle main bus-bar, it is double that described 3rd insulated gate bipolar transistor T3 one end is connected to the second insulated gate
Between bipolar transistor T2 and filter reactor L, the other end passes through the 4th insulated gate bipolar transistor T4 and vehicle main bus-bar
Negative pole is connected, and described striding capacitance C2 one end is connected to the first insulated gate bipolar transistor T1 and the second insulated gate bipolar is brilliant
Between body pipe T2, the other end be connected to the 3rd insulated gate bipolar transistor T3 and the 4th insulated gate bipolar transistor T4 it
Between.
Compared to embodiment 1, the advantage of embodiment 2 is：
1. becoming the voltage peak that each device for power switching is born in flow module only has device for power switching in embodiment 1
Half, so as to reduce the voltage stress of power switch pipe, preferably resolve the problem of switching device is pressure-resistant not high enough.
2. under identical switching frequency and control mode, change and insulated gate bipolar crystal due to topological structure
The increase of pipe, it is good that embodiment 2 exports literary ripple compared with embodiment 1.
3. the maximum pulsating quantity of the inductive current for becoming flow module in embodiment 2 is only the 1/4 of embodiment 1.If both inductance
The maximum of pulsation of current is identical, then unsteady flow mould in embodiment 1 can be reduced to by becoming the filtering inductance of flow module in embodiment 2
The 1/4 of block inductance value.
Claims (7)
1. a kind of vehicle mounted rail traffic brake energy feedback system based on novel energy storage apparatus, it is characterised in that：The system
Including starting module, become flow module, energy-storage module and resistive module, the starting module is connected to the positive and negative of vehicle main bus-bar
Pole two ends, energy-storage module is connected after becoming flow module with starting module, and the energy-storage module includes the disconnecting switch being sequentially connected in series,
Fuse and lithium-ion capacitor group, resistive module include pressure limiting resistance, described pressure limiting resistance one end and the lithium in energy-storage module
Ionistor group is connected, and the other end is connected by vehicle insulated gate bipolar transistor with the positive pole of vehicle main bus-bar.
2. the vehicle mounted rail traffic brake energy feedback system according to claim 1 based on novel energy storage apparatus, its
It is characterised by：The lithium-ion capacitor group is to be made up of lithium-ion capacitance monomer by connection in series-parallel.
3. the vehicle mounted rail traffic brake energy feedback system according to claim 1 based on novel energy storage apparatus, its
It is characterised by：The starting module includes fuse, starts resistance, pre-charge contactor and main contactor, the startup resistance
Main contactor two ends are connected in parallel on after being connected with pre-charge contactor again.
4. the vehicle mounted rail traffic brake energy feedback system according to claim 1 based on novel energy storage apparatus, its
It is characterised by：It is described to become the filter capacitor that flow module includes being connected in parallel on vehicle main bus-bar two ends, it is connected to the filter of main bus-bar positive pole
Wave reactor, the change flow module also includes the insulated gate bipolar transistor of the even number of two and above quantity, the insulation
Grid bipolar transistor the first half is sequentially connected between main bus-bar positive pole and filter capacitor, one end again after later half is sequentially connected with
It is connected between the first half insulated gate bipolar transistor and filter capacitor, other end connection main bus-bar negative pole.
5. the vehicle mounted rail traffic brake energy feedback system based on novel energy storage apparatus according to claim 1 or 4,
It is characterized in that：The change flow module includes filter capacitor, and the first insulated gate bipolar transistor, the second insulated gate bipolar is brilliant
Body pipe, filter reactor, the filter capacitor is parallel to vehicle main bus-bar two ends, first insulated gate after starting module
Bipolar transistor, filter reactor is sequentially connected with the positive pole of vehicle main bus-bar, second insulated gate bipolar transistor
One end is connected between the first insulated gate bipolar transistor and filter reactor, and the other end is connected with vehicle main bus-bar negative pole.
6. the vehicle mounted rail traffic brake energy feedback system based on novel energy storage apparatus according to claim 1 or 4,
It is characterized in that：The change flow module includes filter capacitor, and the first insulated gate bipolar transistor, the second insulated gate bipolar is brilliant
Body pipe, filter reactor, the 3rd insulated gate bipolar transistor, the 4th insulated gate bipolar transistor, striding capacitance, the filter
Ripple electric capacity is parallel to vehicle main bus-bar two ends, first insulated gate bipolar transistor, the second insulation after starting module
Grid bipolar transistor, filter reactor is sequentially connected with the positive pole of vehicle main bus-bar, the 3rd insulated gate bipolar crystal
Pipe one end is connected between the second insulated gate bipolar transistor and filter reactor, and the other end passes through the 4th insulated gate bipolar
Transistor AND gate vehicle main bus-bar negative pole is connected, and described striding capacitance one end is connected to the first insulated gate bipolar transistor and second
Between insulated gate bipolar transistor, the other end is connected to the 3rd insulated gate bipolar transistor and the 4th insulated gate bipolar is brilliant
Between body pipe.
7. the vehicle mounted rail traffic brake energy feedback system based on novel energy storage apparatus according to claim 1 or 4,
It is characterized in that：The change flow module comprises at least one, when becoming flow module more than one, mutual two-by-two between change flow module
It is connected in parallel, then is integrally connected to as one between starting module and energy-storage module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720157057.1U CN206465785U (en) | 2017-02-21 | 2017-02-21 | A kind of vehicle mounted rail traffic brake energy feedback system based on novel energy storage apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720157057.1U CN206465785U (en) | 2017-02-21 | 2017-02-21 | A kind of vehicle mounted rail traffic brake energy feedback system based on novel energy storage apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910937A (en) * | 2017-10-12 | 2018-04-13 | 廊坊英博电气有限公司 | A kind of control device and method based on railway test wire traction substation regenerative braking ground absorption device |
| CN108501729A (en) * | 2018-01-23 | 2018-09-07 | 上海展枭新能源科技有限公司 | A kind of energy-storage system and its charging/discharging thereof of alternate track traffic braking resistor |
| CN109149524A (en) * | 2018-09-20 | 2019-01-04 | 新誉轨道交通科技有限公司 | A kind of inverter protection system and inverter |
-
2017
- 2017-02-21 CN CN201720157057.1U patent/CN206465785U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910937A (en) * | 2017-10-12 | 2018-04-13 | 廊坊英博电气有限公司 | A kind of control device and method based on railway test wire traction substation regenerative braking ground absorption device |
| CN108501729A (en) * | 2018-01-23 | 2018-09-07 | 上海展枭新能源科技有限公司 | A kind of energy-storage system and its charging/discharging thereof of alternate track traffic braking resistor |
| CN109149524A (en) * | 2018-09-20 | 2019-01-04 | 新誉轨道交通科技有限公司 | A kind of inverter protection system and inverter |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20220621 Address after: 333000 north of Zhihang Road, high tech Zone, Changjiang District, Jingdezhen City, Jiangxi Province (within Jingdezhen Weihang Technology Co., Ltd.) Patentee after: Jiangxi Zhanxiao New Energy Technology Co.,Ltd. Address before: 201611 Building 5, Wenchang Enterprise Park, No. 50, CHEYANG Road, Chedun Town, Songjiang District, Shanghai Patentee before: SHANGHAI CAPENERGY TECHNOLOGY Co.,Ltd. |
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