CN103401302A - Vehicle ground charging system - Google Patents
Vehicle ground charging system Download PDFInfo
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- CN103401302A CN103401302A CN2013103642778A CN201310364277A CN103401302A CN 103401302 A CN103401302 A CN 103401302A CN 2013103642778 A CN2013103642778 A CN 2013103642778A CN 201310364277 A CN201310364277 A CN 201310364277A CN 103401302 A CN103401302 A CN 103401302A
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Abstract
An embodiment of the invention discloses a vehicle ground charging system which comprises a transformer and a first charging machine, wherein an output end of the transformer is connected with an input end of the first charging machine; the transformer is used for reducing AC (alternating current) high-voltage electricity into AC low-voltage electricity which is output to the first charging machine; the first charging machine is used for converting AC into low-voltage DC (direct current) which is output to electricity storage equipment; the first charging machine comprises a first rectification unit and a first voltage-reduction chopping unit which are connected in parallel; the first rectification unit comprises six rectifier diodes which are connected in a manner of a three-phase bridge rectification circuit; and the first voltage-reduction chopping unit comprises a capacitor, two IGBT (insulated gate bipolar translator) modules and an inductor. Obviously, with the adoption of the charging system, a contact net is not required to be erected, a large quantity of metal materials are not required, and simultaneously, manpower and financial resources are further saved.
Description
Technical field
The present invention relates to urban track traffic equipment field, particularly relate to a kind of vehicle ground charging system.
Background technology
Rail vehicle is to drive wheel by traction motor to carry out work, track traffic is owing to possessing the various features such as energy consumption is low, pollution is little, the moment is accurate, speed is fast, become and solved the most effective mode in urban traffic congestion, in the large-and-medium size cities of countries in the world, all be widely used.Because rail vehicle is the non-energy that carries, so need to obtain from the external world energy to drive vehicle operating.At present, two kinds of supply power modes usually adopting of rail vehicle comprise: contact line power supply or the power supply of the 3rd rail.
Wherein, contact line is the main truss of electrification engineering, is the transmission line of the special shape to rail vehicle power supply of along the railway line overhead, setting up.Because the contact line body frame is established mainly and is comprised: contact suspension, supportive device, positioner, pillar and foundation.Wherein, contact suspension comprises: contact line conducting wire, dropper, carrier cable, union piece and insulator.Supportive device comprises: the special support equipment of bracket, girt, suspension insulator string, rod insulator and other buildings.The equipotential device comprises: positioning pipe and locator.Pillar and foundation comprise: cement pillar, steel column and the basis of supporting these works; As seen: erecting contact net need to expend a large amount of contact wire, expends a large amount of non-ferrous metals, expend a large amount of manpower financial capacities.
The 3rd rail power supply refers to outside two tracks of locomotive walking, then builds a charged rail.This rail generally is located between two rails or the outside of a track wherein.The current collecting equipment of rail vehicle contacts and slides on charged rail, electric power is sent on locomotive.The chief component of the 3rd rail comprises: the fastener secure component of insulated leg, the 3rd rail etc.As seen: the construction of the 3rd rail power supply also needs to expend ample resources.
Based on above-mentioned technical problem, at present in the urgent need to a kind of novel supply power mode is provided, for rail vehicle provides power supply, to guarantee the normal operation of rail vehicle, simultaneously, can reduce the waste of the wasting of resources, minimizing manpower and materials, make rail vehicle can access more widely and utilize.
Summary of the invention
In order to solve the problems of the technologies described above, a kind of vehicle ground charging system is provided in the embodiment of the present application, vehicle can utilize this charging system to charge to vehicle-mounted accumulation power supply at short notice, and this charging system need not erecting contact net, need not a large amount of metal materials, also saved the manpower financial capacity simultaneously.
The embodiment of the invention discloses following technical scheme:
A kind of vehicle ground charging system comprises:
Transformer and the first charger, the output of described transformer is connected with the first charger input;
Described transformer, being used for is that the AC low-tension electricity is exported to the first charger with the AC high voltage step-down;
Described the first charger, be used for that alternating current is converted to direct current and export to energy storage device;
Described the first charger comprises: the first rectification unit and the first buck chopper unit, and described the first rectification unit is in parallel with described the first buck chopper unit;
Described the first rectification unit is to be connected and composed by the form of 6 rectifier diodes according to the uncontrollable rectification circuit of three-phase bridge; Described the first buck chopper unit consists of an electric capacity, two IGBT modules and an inductance.
Preferably, the input of described transformer is connected by star-star connection mode or triangle connected mode with the output of high voltage power distribution device.
Preferably, the output of described transformer is connected with the input of the first charger by Y-connection mode or triangle connected mode.
Preferably, described the first charger comprises: the first rectification unit, the first buck chopper unit and the second buck chopper unit, and described the second buck chopper unit is identical with the first buck chopper unit structure; Described the second buck chopper unit is connected with described the first rectification unit with being connected after the parallel connection of buck chopper unit.
Preferably, described the first charger comprises: 12 pulsating wave rectification unit, balance inductance and the first buck chopper unit;
Described 12 pulsating wave rectification unit consists of the first rectification unit and the second rectification unit parallel connection, and described balance inductance is connected with described the second rectification unit with described the first rectification unit, and by a centre cap, with described the first buck chopper unit, is connected; Described the first rectification unit is identical with the second rectification unit structure.
Preferably, described the first charger comprises: 12 pulsating wave rectification unit, balance inductance, the first buck chopper unit and the second buck chopper unit, and wherein, described the first buck chopper unit is identical with the second buck chopper unit structure;
Described 12 pulsating wave rectification unit consists of the first rectification unit and the second rectification unit parallel connection, and described the first rectification unit is identical with the second rectification unit structure;
Described balance inductance is connected with the second rectification unit with the first rectification unit respectively, described balance inductance by tap respectively with the first buck chopper unit be connected the buck chopper unit and be connected, described the first buck chopper unit is in parallel with the second buck chopper unit.
Preferably, also comprise:
The second charger, described the second charger is identical with the structure of described the first charger;
Described the second charger is in parallel with described the first charger, described transformer, and being used for is that the AC low-tension electricity is exported to the first charger and the second charger with the AC high voltage step-down.
Preferably, 30 ° of phase shiftings between two groups of three-phase alternating-current supplies of described transformer output are exported to respectively the first charger and the second charger; The output of described transformer is connected with the input of the first charger by Y-connection mode or triangle connected mode; And the output of described transformer is connected with the input of the second charger by triangle connected mode or Y-connection mode.
Preferably, also comprise:
When the energy storage type vehicle needed two power source charges, the output of described the first charger and described the second charger was connected with the both positive and negative polarity of two power supplys respectively, charges;
When the energy storage type vehicle needs a power source charges, be connected with the both positive and negative polarity of power supply after the output parallel connection of described the first charger and described the second charger, charge.
As can be seen from the above-described embodiment, a kind of vehicle ground charging system provided by the invention, simple in structure, isolated high-voltage electrical network by transformer, pass through simultaneously rectification and the hypotensive effect of charger, charge for the vehicles energy accumulating power supply, guarantee the normal operation of vehicle, improve the practicality of rail vehicle; And this charging system need not erecting contact net, need not a large amount of metal materials, has saved a large amount of manpower financial capacities.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structure chart of a kind of vehicle ground charging system of the embodiment of the present application one announcement;
Fig. 2 is the circuit diagram of a kind of vehicle ground charging system of the embodiment of the present application one announcement;
Fig. 3 is the structure chart of a kind of vehicle ground charging system of the embodiment of the present application two announcements;
Fig. 4 is the circuit diagram of a kind of vehicle ground charging system of the embodiment of the present application two announcements;
Fig. 5 is the structure chart of a kind of vehicle ground charging system of the embodiment of the present application three announcements;
Fig. 6 is the circuit diagram of a kind of vehicle ground charging system of the embodiment of the present application three announcements;
Fig. 7 is the structure chart of the another kind of vehicle ground charging system of the embodiment of the present application three announcements;
Fig. 8 is the structure chart of the another kind of vehicle ground charging system of the embodiment of the present application three announcements;
Fig. 9 is the structure chart of a kind of vehicle ground charging system of the embodiment of the present application four announcements;
Figure 10 is the circuit diagram of a kind of vehicle ground charging system of the embodiment of the present application four announcements;
Figure 11 is the structure chart of a kind of vehicle ground charging system of disclosing of the application;
Figure 12 is the circuit diagram of a kind of vehicle ground charging system of disclosing of the application;
Figure 13 is the structure chart of a kind of vehicle ground charging system of disclosing of the application;
Figure 14 is the circuit diagram of a kind of vehicle ground charging system of disclosing of the application;
Figure 15 is the structure chart of a kind of vehicle ground charging system of disclosing of the application;
Figure 16 is the circuit diagram of a kind of vehicle ground charging system of disclosing of the application.
Embodiment
, for above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the embodiment of the present invention is described in detail.
Vehicle ground charging system of the present invention is mainly used in charging to the energy storage type rail vehicle, such as: energy storage type light rail vehicle, city rail vehicle etc., these vehicle interiors are equipped with super capacitor and are used for store electrical energy, vehicle ground charging system of the present invention can charge to super capacitor, for vehicle provides electric energy.Certainly, the type of energy storage type rail vehicle is diversified, at this, does not specifically illustrate one by one, as long as vehicle interior has the accumulation power supply device, charging system of the present invention just can charge for it.
Embodiment one
See also Fig. 1, it is the structure chart of a kind of vehicle ground charging system of the embodiment of the present application one announcement, and this system comprises:
Transformer 11 and the first charger 12, the output of described transformer is connected with the first charger input;
Described transformer, being used for is that the AC low-tension electricity is exported to the first charger with the AC high voltage step-down;
Described the first charger, be used for that alternating current is converted to low-voltage DC and export to electric energy storage device;
Described the first charger comprises: the first rectification unit 121 and the first buck chopper unit 122, described the first rectification unit is in parallel with described the first buck chopper unit.
Described the first rectification unit is to be connected and composed by the form of 6 rectifier diodes according to three-phase bridge rectifier circuit; Described the first buck chopper unit consists of an electric capacity, two IGBT modules and an inductance.
Preferably, the input of described transformer is connected by star-star connection mode or triangle connected mode with the output of high voltage power distribution device.
Preferably, the output of described transformer is connected with the input of the first charger by Y-connection mode or triangle connected mode.
When the input of above-mentioned charging system adopts the 3AC10kV high-tension electricity, ordinary circumstance is to export the 3AC10kV high-tension electricity to high voltage power distributing cabinet, isolated high-voltage through transformer is processed, AC high voltage is changed to AC900V exports charger to, charger obtains constant current 1800A through six Pulses Rectifiers and DC chopper circuit output, pressure limiting 900V, can realize energy storage type light rail vehicle constant current voltage limiting is charged.The circuit diagram of concrete charging system is as shown in the circuit diagram of a kind of vehicle ground charging system of Fig. 2.Certainly, different rail vehicles is perhaps different to the electric current and voltage demand, therefore, can change charging voltage and electric current according to the requirement of the vehicle-mounted super capacitor of different vehicle, simultaneously also can change charge mode, only need the component parameter of adjustment charging system or the control program of charging system to get final product.A kind of vehicle ground charging system provided by the invention, by transformer, high pressure is isolated, rectification unit and copped wave unit by charger, realization is charged to energy storage type vehicle constant current voltage limiting, vehicle can utilize this charging system to charge to vehicle-mounted accumulation power supply at short notice, this charging system is simple in structure, need not erecting contact net, need not a large amount of metal materials, has also saved the manpower financial capacity simultaneously.
Embodiment two
Charging system in embodiment one, when chopper circuit breaks down, can't charge for the energy storage type rail vehicle, therefore the present invention also provides another vehicle ground charging system, specifically see also Fig. 3, it is the structure chart of the charging system of the embodiment of the present application two announcements, and this system comprises:
Transformer 21 and the first charger 22, the output of described transformer is connected with the first charger input;
Described transformer, being used for is that the AC low-tension electricity is exported to the first charger with the AC high voltage step-down;
Described the first charger, be used for that alternating current is converted to low-voltage DC and export to electric energy storage device;
Described the first charger comprises: the first rectification unit 221, the first buck chopper unit 222 and the second buck chopper unit 223; Described the first buck chopper unit is connected with described the first rectification unit with being connected after the second buck chopper unit parallel connection; Described the first buck chopper unit is identical with the second buck chopper unit structure.
Described the first rectification unit is to be connected and composed by the form of 6 rectifier diodes according to three-phase bridge rectifier circuit; Described the first buck chopper unit consists of an electric capacity, two IGBT modules and an inductance.
When wherein any one copped wave unit broke down, another one copped wave unit still can continue as the energy storage type locomotive and power.
Preferably, the input of described transformer is connected by star-star connection mode or triangle connected mode with the output of high voltage power distribution device.
Preferably, the output of described transformer is connected with the input of the first charger by Y-connection mode or triangle connected mode.
When the input of above-mentioned charging system adopts the 3AC10kV high-tension electricity, ordinary circumstance is to export the 3AC10kV high-tension electricity to high voltage power distributing cabinet, isolated high-voltage through transformer is processed, AC high voltage is changed to 3AC860V exports charger to, charger is given vehicle-mounted accumulation power supply charging through the DC chopper circuit of six Pulses Rectifiers and two parallel connections with pressure limiting 900V, constant current 1800A mode, when wherein any one DC chopper circuit broke down, the another one chopper circuit can continue to realize energy storage type light rail vehicle constant current voltage limiting is charged.The circuit diagram of concrete charging system is as shown in the circuit diagram of a kind of vehicle ground charging system of Fig. 4.
A kind of vehicle ground charging system provided by the invention, by transformer, high pressure is isolated, rectification unit and two buck chopper cell processing by charger, obtain two-way output, this two-way output in the same size, when wherein break down in any road, can realize energy storage type vehicle constant current voltage limiting is charged in an other road, vehicle can utilize this charging system to charge to vehicle-mounted accumulation power supply at short notice, this charging system is simple in structure, need not to set up track, need not a large amount of metal materials, has also saved the manpower financial capacity simultaneously.
Embodiment three
Because the rectification unit in the charging system in above-mentioned enforcement one and above-described embodiment two is all six Pulses Rectifiers, the harmonic wave that produces, reactive power etc. are larger to the interference of electrical network, can pollute electrical network.Therefore, in order to alleviate the pollution to electrical network, the application also provides another kind of vehicle ground charging system, adopt the multiple rectifying circuit, specifically as shown in the structure chart of Fig. 5, this system comprises: transformer 31 and the first charger 32, and the output of described transformer is connected with the first charger input;
Described the first charger comprises: 12 pulsating wave rectification unit 321, balance inductance 322 and the first buck chopper unit 323;
Described 12 pulsating wave rectification unit consists of the first rectification unit and the second rectification unit parallel connection, and described inductance is connected with the first rectification unit and the second rectification respectively, and by a tap, with described the first buck chopper unit, is connected; Described the first rectification unit is identical with the structure of the second rectification unit.
Preferably, 30 ° of the first rectification unit and second rectification units of exporting to respectively in described the first charger of phase shifting between two groups of three-phase alternating-current supplies of transformer output.That is, the output of described transformer is connected with the input of the first rectification unit by Y-connection mode or triangle connected mode;
, the output of described transformer is connected with the input of the second rectification unit by triangle connected mode or Y-connection mode.
First group of three-phase alternating-current supply exporting when transformer is connected with the input of the first rectification unit by the triangle connected mode, and second group of three-phase alternating-current supply of transformer output is connected with the input of the second rectification unit by the Y-connection mode.
First group of three-phase alternating-current supply exporting when transformer is connected with the input of the first rectification unit by the Y-connection mode, and second group of three-phase alternating-current supply of transformer output is connected with the input of the second rectification unit by the triangle connected mode.
When the input of above-mentioned charging system adopts the 3AC10kV high-tension electricity, ordinary circumstance is to export the 3AC10kV high-tension electricity to high voltage power distributing cabinet, isolated high-voltage through transformer is processed, AC high voltage is changed to 3AC860V exports charger to, charger is given vehicle-mounted accumulation power supply charging through 12 Pulses Rectifiers and DC chopper circuit with pressure limiting 900V, constant current 1800A mode, after 12 pulse rectifiers are processed, improved power factor (PF), reduced the AC Harmonics of Input, realized energy storage type rail vehicle constant current voltage limiting is charged.The circuit diagram of concrete charging system is as shown in the circuit diagram of a kind of vehicle ground charging system of Fig. 6.
When chopper circuit breaks down, above-mentioned charging system can't charge for the energy storage type locomotive, therefore the present invention also provides another vehicle ground charging system, increase by the second buck chopper unit in charger in charging system shown in Figure 5, miscellaneous part remains unchanged, specifically see also Fig. 7, it is the structure chart of another vehicle ground charging system of the embodiment of the present application three announcements; Wherein, the first charger comprises: 12 pulsating wave rectification unit 321, balance inductance 322, the first buck chopper unit 323 and the second buck chopper unit 324; Described the first buck chopper unit 323 is in parallel with described the second buck chopper unit 324.
when the input of above-mentioned charging system adopts the 3AC10kV high-tension electricity, ordinary circumstance is to export the 3AC10kV high-tension electricity to high voltage power distributing cabinet, isolated high-voltage through transformer is processed, AC high voltage is changed to 3AC860V exports charger to, charger through the DC chopper circuit of 12 Pulses Rectifiers and two parallel connections with pressure limiting 900V, constant current 1800A mode is given vehicle-mounted accumulation power supply charging, after 12 pulse rectifiers are processed, improved power factor (PF), reduced the AC Harmonics of Input, and, when wherein any road chopper circuit breaks down, the another one chopper circuit can continue to realize energy storage type rail vehicle constant current voltage limiting is charged.The circuit diagram of concrete charging system is as shown in the circuit diagram of a kind of vehicle ground charging system of Fig. 8.
Embodiment four
Above-described embodiment once in the charging system that provides all only have a charger also to only have a road output,, when the energy storage type vehicle has two independently during power supply, can't charge simultaneously for two power supplys.Therefore the present invention also provides another kind of vehicle ground charging system, sees also Fig. 9, and this system comprises:
Described transformer, being used for is that the AC low-tension electricity is exported to the first charger and the second charger with the AC high voltage step-down;
Described the first charger, be used for that alternating current is converted to low-voltage DC and export to electric energy storage device;
Described the second charger, be used for that alternating current is converted to low-voltage DC and export to electric energy storage device.
The input of described transformer is connected by the star-star connection mode with the output of high voltage power distribution device.
Preferably, the input of described transformer is connected by star-star connection mode or triangle connected mode with the output of high voltage power distribution device.
Preferably, the output of described transformer is connected with the input of the first charger by Y-connection mode or triangle connected mode.
Preferably, the output of described transformer is connected with the input of the second charger by Y-connection mode or triangle connected mode.
When the input of above-mentioned charging system adopts the 3AC10kV high-tension electricity, ordinary circumstance is to export the 3AC10kV high-tension electricity to high voltage power distributing cabinet, isolated high-voltage through transformer is processed, AC high voltage is changed to AC900V exports two chargers to, two chargers are through six Pulses Rectifiers and DC chopper circuit, give vehicle-mounted accumulation power supply charging with pressure limiting 900V, constant current 1800A mode, realize energy storage type rail vehicle constant current voltage limiting is charged.The circuit diagram of concrete charging system is as shown in the circuit diagram of a kind of vehicle ground charging system of Figure 10.
As seen above-mentioned charging system is isolated high pressure by transformer, pass through respectively rectification unit and the copped wave unit of two chargers, obtain two groups of identical outputs, realization is to there being the energy storage type vehicle constant current voltage limiting charging of two independent accumulation power supplies, vehicle can utilize this charging system to charge to vehicle-mounted accumulation power supply at short notice, this charging system is simple in structure, need not to set up track, need not a large amount of metal materials, has also saved the manpower financial capacity simultaneously.
Above-mentioned charging system shown in Figure 9, when chopper circuit breaks down, can't charge for the energy storage type locomotive, therefore the present invention also provides another vehicle ground charging system, increasing by the second buck chopper unit in charger in system shown in Figure 9 provides the redundancy step-down to process, specifically see also Figure 11, it is the another kind of vehicle ground charging system structure chart that the application discloses, and this system comprises:
What the charging system of above-mentioned Fig. 9 adopted is six Pulses Rectifiers, and the harmonic wave that produces, reactive power etc. are larger to the interference of electrical network, can pollute electrical network.Therefore the application also provides another kind of vehicle ground charging system, the 12 pulsating wave rectification unit that the first rectification unit in the first charger in Fig. 9 and the second charger is all replaced to, other parts keep becoming, as shown in a kind of vehicle ground charging system structure chart of Figure 13, specifically comprise: transformer 51, the first charger 52 and the second charger 53, described the first charger is identical with the structure of the second charger, and described the first charger 52 comprises: 12 pulsating wave rectification unit 521, balance inductance 522 and the first buck chopper unit 523.Described the second charger is identical with the structure of described the first charger, and described the second charger 53 comprises: 12 pulsating wave rectification unit 531, balance inductance 532 and the first buck chopper unit 533.The circuit diagram of this charging system as shown in figure 14.
What the charging system of above-mentioned Figure 11 adopted is six Pulses Rectifiers, and the harmonic wave that produces, reactive power etc. are larger to the interference of electrical network, can pollute electrical network.therefore the application also provides another kind of vehicle ground charging system, the 12 pulsating wave rectification unit that the first rectification unit in the first charger in Figure 11 and the second charger is all replaced to, other parts keep becoming, as shown in a kind of vehicle ground charging system structure chart of Figure 15, specifically comprise: transformer 61, the first charger 62 and the second charger 63, described the first charger is identical with the structure of the second charger, described the first charger 62 comprises: 12 pulsating wave rectification unit 621, balance inductance 622, the first buck chopper unit 623 and the second buck chopper unit 624.Described the second charger 63 comprises: 12 pulsating wave rectification unit 631, balance inductance 632, the first buck chopper unit 633 and the second buck chopper unit 634.
Preferably, the output of described transformer is connected with the input of the first charger by Y-connection mode or triangle connected mode.
Preferably, 30 ° of the first rectification unit and second rectification units of exporting to respectively in described the first charger of phase shifting between two groups of three-phase alternating-current supplies of transformer output.That is, the output of described transformer is connected with the input of the first rectification unit by Y-connection mode or triangle connected mode; , the output of described transformer is connected with the input of the second rectification unit by triangle connected mode or Y-connection mode.
First group of three-phase alternating-current supply exporting when transformer is connected with the input of the first rectification unit by the triangle connected mode, and second group of three-phase alternating-current supply of transformer output is connected with the input of the second rectification unit by the Y-connection mode.
First group of three-phase alternating-current supply exporting when transformer is connected with the input of the first rectification unit by the Y-connection mode, and second group of three-phase alternating-current supply of transformer output is connected with the input of the second rectification unit by the triangle connected mode.
Preferably, 30 ° of the first rectification unit and second rectification units of exporting to respectively in described the second charger of phase shifting between two groups of three-phase alternating-current supplies of transformer output.Concrete connected mode is as consistent in above-mentioned connected mode with the first charger.Do not repeat them here.The circuit diagram of this charging system as shown in figure 16.
can find out by above-described embodiment: a kind of vehicle ground charging system provided by the invention, rectification unit and copped wave unit by transformer and two chargers, obtain two groups of identical outputs, realization is to there being the energy storage type vehicle constant current voltage limiting charging of two accumulation power supplies, and when the copped wave unit in some chargers breaks down, another one copped wave unit still can be vehicle-mounted accumulation power supply charging, vehicle can utilize this charging system to charge to vehicle-mounted accumulation power supply at short notice, this charging system is simple in structure, need not erecting contact net, need not a large amount of metal materials, also saved simultaneously the manpower financial capacity.
Above a kind of vehicle ground charging system provided by the present invention is described in detail, applied specific embodiment herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously,, for one of ordinary skill in the art,, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (9)
1. a vehicle ground charging system, is characterized in that, comprising:
Transformer and the first charger, the output of described transformer is connected with the first charger input;
Described transformer, being used for is that the AC low-tension electricity is exported to the first charger with the AC high voltage step-down;
Described the first charger, be used for that alternating current is converted to direct current and export to energy storage device;
Described the first charger comprises: the first rectification unit and the first buck chopper unit, and described the first rectification unit is in parallel with described the first buck chopper unit;
Described the first rectification unit is to be connected and composed by the form of 6 rectifier diodes according to the uncontrollable rectification circuit of three-phase bridge; Described the first buck chopper unit consists of an electric capacity, two IGBT modules and an inductance.
2. system according to claim 1, is characterized in that, the input of described transformer is connected by star-star connection mode or triangle connected mode with the output of high voltage power distribution device.
3. system according to claim 1, is characterized in that, the output of described transformer is connected with the input of the first charger by Y-connection mode or triangle connected mode.
4. system according to claim 1, is characterized in that, described the first charger comprises: the first rectification unit, the first buck chopper unit and the second buck chopper unit, and described the second buck chopper unit is identical with the first buck chopper unit structure; Described the second buck chopper unit is connected with described the first rectification unit with being connected after the parallel connection of buck chopper unit.
5. system according to claim 1, is characterized in that, described the first charger comprises: 12 pulsating wave rectification unit, balance inductance and the first buck chopper unit;
Described 12 pulsating wave rectification unit consists of the first rectification unit and the second rectification unit parallel connection, and described balance inductance is connected with described the second rectification unit with described the first rectification unit, and by a centre cap, with described the first buck chopper unit, is connected; Described the first rectification unit is identical with the second rectification unit structure.
6. system according to claim 1, it is characterized in that, described the first charger comprises: 12 pulsating wave rectification unit, balance inductance, the first buck chopper unit and the second buck chopper unit, and wherein, described the first buck chopper unit is identical with the second buck chopper unit structure;
Described 12 pulsating wave rectification unit consists of the first rectification unit and the second rectification unit parallel connection, and described the first rectification unit is identical with the second rectification unit structure;
Described balance inductance is connected with the second rectification unit with the first rectification unit respectively, described balance inductance by tap respectively with the first buck chopper unit be connected the buck chopper unit and be connected, described the first buck chopper unit is in parallel with the second buck chopper unit.
7. the described system of any one according to claim 1 to 6, is characterized in that, also comprises:
The second charger, described the second charger is identical with the structure of described the first charger;
Described the second charger is in parallel with described the first charger, described transformer, and being used for is that the AC low-tension electricity is exported to the first charger and the second charger with the AC high voltage step-down.
8. according to claim 5 or 6 described systems, it is characterized in that, 30 ° of phase shiftings between two groups of three-phase alternating-current supplies of described transformer output are exported to respectively the first charger and the second charger; The output of described transformer is connected with the input of the first charger by Y-connection mode or triangle connected mode; And the output of described transformer is connected with the input of the second charger by triangle connected mode or Y-connection mode.
9. the described system of any one according to claim 1 to 6, is characterized in that, also comprises:
When the energy storage type vehicle needed two power source charges, the output of described the first charger and described the second charger was connected with the both positive and negative polarity of two power supplys respectively, charges;
When the energy storage type vehicle needs a power source charges, be connected with the both positive and negative polarity of power supply after the output parallel connection of described the first charger and described the second charger, charge.
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| CN2013103642778A CN103401302A (en) | 2013-08-19 | 2013-08-19 | Vehicle ground charging system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683413A (en) * | 2013-12-06 | 2014-03-26 | 中南大学 | Charge control device and method for super-capacitor energy storage type urban rail vehicle |
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| CN106972562A (en) * | 2017-03-31 | 2017-07-21 | 北京福斯特开关设备有限公司 | A kind of charging circuit and integral type charging equipment |
| CN107342605A (en) * | 2017-05-15 | 2017-11-10 | 北京北交新能科技有限公司 | A kind of ground integrated energy corollary system of track traffic vehicle |
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