CN103419680B - A kind of DC traction power-supply system based on distributed power source - Google Patents
A kind of DC traction power-supply system based on distributed power source Download PDFInfo
- Publication number
- CN103419680B CN103419680B CN201310322813.8A CN201310322813A CN103419680B CN 103419680 B CN103419680 B CN 103419680B CN 201310322813 A CN201310322813 A CN 201310322813A CN 103419680 B CN103419680 B CN 103419680B
- Authority
- CN
- China
- Prior art keywords
- bus
- direct current
- traction
- new energy
- energy resources
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000003137 locomotive effect Effects 0.000 claims abstract description 33
- 239000000446 fuel Substances 0.000 claims description 16
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 description 18
- 238000011084 recovery Methods 0.000 description 9
- 238000004804 winding Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000010363 phase shift Effects 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
A kind of DC traction power-supply system based on distributed power source, plural for providing the traction substation of direct current energy to electric locomotive, each traction substation is provided with multiple voltage transformer be connected on ac bus, the outgoing side correspondence connection outgoing side of voltage transformer is connected to the rectifier on the DC bus of be positioned at traction substation, the both positive and negative polarity correspondence of DC bus connects contact system and rail, the both positive and negative polarity correspondence of electric locomotive connects contact system and rail, the contact system of adjacent traction substation is all connected to a section post, the positive pole of the DC bus corresponding to the connection of two ends of section post, DC bus between adjacent two traction substations is provided with the direct current new energy resources system be made up of electronlmobil charge/discharge unit and distributed power unit, direct current new energy resources system is connected with the DC bus of adjacent two traction substations, thus in a power supply zone, form direct current annular micro-capacitance sensor.Invention increases the reliability of DC traction power-supply system.
Description
Technical field
The present invention relates to a kind of DC traction power-supply system.Particularly relate to a kind of DC traction power-supply system based on distributed power source with the high quality of power supply of powering for urban electric vehicular traffic.
Background technology
Along with the fast development of economy and urbanization process, energy shock, environmental pollution and traffic congestion have become the serious problems that the world today faces.Urban electric vehicular traffic (subway, tramway train and trackless trolley car) and electronlmobil can alleviate the day by day serious traffic congestion in city, reduce the consumption of limited fossil fuel, reduce aerial contamination, realizing the sustainable development in energy-saving and emission-reduction and city, is the main traffic instrument that future city is greatly developed.
The charge system that the development need of electronlmobil is corresponding, conventional charge mode has normal charge, fast charge and power batteries fast replacement system (abbreviation changes electricity) three kinds.For urban public transport elec. vehicle, changing electricity is a kind of well charge mode.Charging system for electric automobile not only needs huge construction cost, and can produce many harmful effects to electric system.Meanwhile, electric automobile power battery is also the energy storage device that a capacity is huge.
Traditional DC traction power-supply system adopts diode rectifier to power usually, and traction substation has one way feeding and two way feeding to the mode that contact system is powered.The voltage class of the DC supply of China's national regulations has 750V and 1500V two kinds.The braking energy of electric locomotive consumes usually in braking resistor, and this not only causes the waste of energy, but also can cause the rising of tunnel temperature, increases the burden of temperature control system, causes the waste of the energy further.The recycling of electric locomotive braking energy is the direction of tractive power supply system future development.
As shown in Figure 1, existing DC traction power-supply system includes: one or more the traction substation 1 for providing direct current energy to electric locomotive 2, and this traction substation 1 adopts traditional diode rectification DC traction power-supply system.Each traction substation 1 is made up of voltage transformer 11, rectifier 12, DC bus 13, contact system 14, rail 15 and section post 16.Wherein, voltage transformer 11 can be two-winding transformer, the three winding transformer of three winding transformer or former limit phase shift ± 7.5 ° that adopt extend-triangle to connect.Rectifier 12 can be six Pulses Rectifiers, 12 Pulses Rectifiers or 24 Pulses Rectifiers.
During electric locomotive runs low ebb and stoppage in transit, the power factor of AC Bulk Supply Substation is very low, needs to take Measures of Reactive Compensation.
Economic fast development facilitates the quick growth of electricity needs, and traditional centralized bulk power grid cost is high, operation difficulty is large, is difficult to the requirement meeting the more and more higher safety and reliability of user.Distributed power generation is compared with centralized generating, have pollution less, the advantage such as energy utilization rate is high, place of erection is flexible, save power transmission and distribution resource and over-the-road expense, decrease the line losses concentrating transmission of electricity, decrease electrical network total volume, improve electrical network peak valley performance, improve reliability, being that the strong of bulk power grid supplements and effectively support, is one of development tendency of electric system.
Distributed power source comprises solar-energy photo-voltaic cell, aerogenerator, miniature gas turbine, fuel cell and biomass power generation etc.
Distributed power source unit cost of access is high, control difficulty.It is a uncontrollable source relative to bulk power grid, therefore bulk power grid often take to limit, the mode of isolation to dispose distributed power source, to reducing its impact to bulk power grid, this just greatly limit the utilization of distributed power source.
The space making full use of urban electric public bus network can development utilization such as solar-energy photo-voltaic cell, miniature gas turbine and fuel cell distributed power supply.
Micro-capacitance sensor is a kind of organic system be jointly made up of load, micro battery (distributed power source namely in micro-capacitance sensor, as photovoltaic generation, wind-power electricity generation etc.), closed-center system and electric and electronic power converting means; The power supply of micro-capacitance sensor inside is responsible for the conversion of energy primarily of power electronic devices, and provides required control; Micro-capacitance sensor effectively can solve the problem of above-mentioned distributed power source access bulk power grid, coordinates the contradiction between bulk power grid and distributed power source.
Micro-capacitance sensor can be divided into interchange micro-capacitance sensor, direct-current grid, high frequency micro-capacitance sensor and alternating current-direct current mixing micro-capacitance sensor.Because the solar-energy photo-voltaic cell in distributed power source and fuel cell this as direct current, although and aerogenerator, miniature gas turbine are different the exchanging of frequency with biomass power generation etc., can be direct current through a rectifying conversion.Direct-current grid has without surface action, loss is little, efficiency is high, without the need to reactive-load compensation, do not exist the intrinsic stable problem of ac power supply system, fed distance and power also by electric system synchronized operation stability restriction and be easy to the advantages such as control, there is wide development and application prospect in electric system.
Summary of the invention
Technical matters to be solved by this invention is, a kind of DC traction power-supply system based on distributed power source is provided, effective utilization of distributed power source and the recovery of electric locomotive braking energy can be realized, reduce the fluctuation range of existing DC traction power-supply system vdc, the power factor of AC Bulk Supply Substation when raising DC traction power-supply system underload and zero load, improve the reliability of DC traction power-supply system, reduce the construction cost of charging system for electric automobile.
The technical solution adopted in the present invention is: a kind of DC traction power-supply system based on distributed power source, include plural for providing the traction substation of direct current energy to electric locomotive, each traction substation is provided with the more than one voltage transformer be connected on ac bus, the outgoing side correspondence of each voltage transformer connects a rectifier, the outgoing side of all rectifiers is all connected on the DC bus of be positioned at traction substation, the both positive and negative polarity of described DC bus is connected respectively contact system and rail, the both positive and negative polarity of described electric locomotive is connected respectively contact system and rail, the contact system of each traction substation is connected to a section post, the two ends of described section post also connect the positive pole of corresponding DC bus respectively, DC bus between adjacent two traction substations is provided with the direct current new energy resources system be made up of electronlmobil charge/discharge unit and distributed power unit, described direct current new energy resources system is connected with the DC bus of adjacent two traction substations, thus in a power supply zone, form direct current annular micro-capacitance sensor.
Described direct current new energy resources system is connected on the DC bus of two adjacent traction substations by direct current new energy resources system DC bus, and described electronlmobil charge/discharge unit and distributed power unit are connected on direct current new energy resources system DC bus.
Described distributed power source includes more than one miniature gas turbine, more than one aerogenerator, more than one fuel cell and more than one solar-energy photo-voltaic cell, wherein, each miniature gas turbine is connected direct current new energy resources system DC bus with each aerogenerator each via an one-way communication-DC converter, and each fuel cell is connected direct current new energy resources system DC bus with each solar-energy photo-voltaic cell each via a Unidirectional direct-current-DC converter (38/40).
Described electronlmobil charge/discharge unit includes the two-way DC-DC charge-discharge machine be connected on direct current new energy resources system DC bus of more than 1, and the mouth of each two-way DC-DC charge-discharge machine connects an electric automobile power battery.
The mouth also super capacitors in parallel of the connecting electric automobile electrokinetic cell of described each two-way DC-DC charge-discharge machine.
A kind of DC traction power-supply system based on distributed power source, include one for providing the traction substation of direct current energy to electric locomotive, described traction substation is provided with the more than one voltage transformer be connected on ac bus, the outgoing side correspondence of each voltage transformer connects a rectifier, the outgoing side of all rectifiers is all connected on the DC bus of traction substation, the both positive and negative polarity of described DC bus is connected respectively contact system and rail, the both positive and negative polarity of described electric locomotive is connected respectively contact system and rail, the DC bus of traction substation is provided with the direct current new energy resources system be made up of electronlmobil charge/discharge unit and distributed power unit, described direct current new energy resources system is connected with the DC bus of adjacent two traction substations, thus in a power supply zone, form direct current annular micro-capacitance sensor.
Described direct current new energy resources system is connected on the DC bus of traction substation by direct current new energy resources system DC bus, and described electronlmobil charge/discharge unit and distributed power unit are connected on direct current new energy resources system DC bus.
Described distributed power source includes more than one miniature gas turbine, more than one aerogenerator, more than one fuel cell and more than one solar-energy photo-voltaic cell, wherein, each miniature gas turbine is connected direct current new energy resources system DC bus with each aerogenerator each via an one-way communication-DC converter, and each fuel cell is connected direct current new energy resources system DC bus with each solar-energy photo-voltaic cell each via a Unidirectional direct-current-DC converter.
Described electronlmobil charge/discharge unit includes the two-way DC-DC charge-discharge machine be connected on direct current new energy resources system DC bus of more than 1, and the mouth of each two-way DC-DC charge-discharge machine connects an electric automobile power battery.
The mouth also super capacitors in parallel of the connecting electric automobile electrokinetic cell of described each two-way DC-DC charge-discharge machine.
A kind of DC traction power-supply system based on distributed power source of the present invention, make full use of existing DC traction power-supply system, based on distributed power source, to change electricity be that main electronlmobil charge-discharge system achieves effective utilization of distributed power source and the recovery of electric locomotive braking energy: when electric locomotive traction runs, there is provided energy by Traditional DC tractive power supply system, distributed power source and electric automobile power battery, reduce the landing of DC bus-bar voltage; When electric locomotive running under braking, utilizing and changing electricity for main electronlmobil charge-discharge system is electric automobile power battery charging, reduces the rising of DC bus-bar voltage; When DC traction power-supply system underload and no-load run, utilizing distributed power source and changing electricity for main electronlmobil charge-discharge system is electric automobile power battery charging, improves the power factor of AC Bulk Supply Substation; When AC network fault, if distributed power source and to change electricity be that main electronlmobil charge-discharge system capacity is enough large, utilize distributed power source and electric automobile power battery to power for DC traction power-supply system, improve the reliability of DC traction power-supply system; Changing electricity is that main electronlmobil charge-discharge system make use of existing DC traction power-supply system, thus reduces the construction cost of charging system for electric automobile; In addition, the effect that system also has " peak load shifting ", improves the economy of whole system.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing DC traction power-supply system;
Fig. 2 is the structural representation of the Brake energy recovery formula DC traction power-supply system containing distributed power source of two way feeding;
Fig. 3 be one way feeding containing distributed power source Brake energy recovery formula DC traction power-supply system structural representation.
In figure
1: traction substation 2: electric locomotive
3: direct current new energy resources system 4: ac bus
11: voltage transformer 12: rectifier
13: DC bus 14: contact system
15: rail 16: section post
31: direct current new energy resources system DC bus 32: two-way DC-DC charge-discharge machine
33: miniature gas turbine 34: one-way communication-DC converter
35: aerogenerator 36: one-way communication-DC converter
37: fuel cell 38: Unidirectional direct-current-DC converter
39: solar-energy photo-voltaic cell 40: Unidirectional direct-current-DC converter
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, a kind of DC traction power-supply system based on distributed power source of the present invention is described in detail.
A kind of DC traction power-supply system based on distributed power source of the present invention, by DC bus by distributed power source, to change electricity be that main electronlmobil charge-discharge system is connected with existing diode rectification DC traction power-supply system, in a traction power supply subregion, form a direct current annular micro-capacitance sensor.
As shown in Figure 2, a kind of DC traction power-supply system based on distributed power source of the present invention, namely, two way feeding is containing the Brake energy recovery formula DC traction power-supply system of distributed power source, include plural for providing the traction substation 1 of direct current energy to electric locomotive 2, each traction substation 1 adopts traditional diode rectification DC traction power-supply system, each traction substation 1 is provided with the more than one voltage transformer 11 be connected on ac bus 4, the outgoing side correspondence of each voltage transformer 11 connects a rectifier 12, the outgoing side of all rectifiers 12 is all connected on the DC bus 13 of be positioned at traction substation 1, the both positive and negative polarity of described DC bus 13 is connected respectively contact system 14 and rail 15, the both positive and negative polarity of described electric locomotive 2 is connected respectively contact system 14 and rail 15, the contact system 14 of each traction substation 1 is serially connected with a section post 16, the two ends of described section post 16 also connect the positive pole of corresponding DC bus 13 respectively.Wherein, voltage transformer can be two-winding transformer, the three winding transformer of three winding transformer or former limit phase shift ± 7.5 ° that adopt extend-triangle to connect.Rectifier can be six Pulses Rectifiers, 12 Pulses Rectifiers or 24 Pulses Rectifiers.Although give two voltage transformers and two rectifiers in Fig. 2, its number is not only limited to two.In Fig. 2, electric locomotive 2 is the common load of two traction substations.DC bus 13 between adjacent two traction substations 1 is provided with the direct current new energy resources system 3 be made up of electronlmobil charge/discharge unit and distributed power unit, described direct current new energy resources system 3 is connected with the DC bus 13 of adjacent two traction substations 1, thus in a power supply zone, form direct current annular micro-capacitance sensor.
Described direct current new energy resources system 3 is connected on the DC bus 13 of two adjacent traction substations 1 by direct current new energy resources system DC bus 31, and described electronlmobil charge/discharge unit and distributed power unit are connected on direct current new energy resources system DC bus 31.
Described electronlmobil charge/discharge unit includes two-way DC-DC (DC-DC) charge-discharge machine 32 be connected on direct current new energy resources system DC bus 31 of more than 1, and the mouth of each two-way DC-DC charge-discharge machine 32 connects an electric automobile power battery.For improving the dynamic property of system, at the mouth also super capacitors in parallel (not shown in FIG.) of the connecting electric automobile electrokinetic cell of each two-way DC-DC (DC-DC) charge-discharge machine.Be that the discharge and recharge cooperation control of main two-way DC-DC (DC-DC) charge-discharge machine of more than 1 utilizes distributed power source by changing electricity, and absorb the braking energy of electric locomotive, maintenance DC bus-bar voltage is stabilized in the scope of requirement.
Described distributed power source is used for powering to DC traction power-supply system, for electric locomotive or electric automobile power battery provide electric energy.Include more than one miniature gas turbine 33, more than one aerogenerator 35, more than one fuel cell 37 and more than one solar-energy photo-voltaic cell 39, wherein, each miniature gas turbine 33 is connected direct current new energy resources system DC bus 31 with each aerogenerator 35 each via one-way communication-direct current (AC-DC) changer 34/36, and each fuel cell 37 is connected direct current new energy resources system DC bus 31 with each solar-energy photo-voltaic cell 39 each via Unidirectional direct-current-direct current (DC-DC) changer 38/40.Wherein, solar-energy photo-voltaic cell 37 and aerogenerator 35 can adopt maximal power tracing to control according to different situations, and maximum current also can be adopted to control; One-way communication-direct current (AC-DC) changer 34,36 in the present invention and the control of Unidirectional direct-current-direct current (DC-DC) changer 38,40 can adopt master & slave control, equity controls or droop control, also can adopt hierarchical control.Because map space limit, in figure, only depict one representatively for four kinds of distributed power sources; In fact, the kind of distributed power source and quantity do not limit.
As shown in Figure 3, a kind of DC traction power-supply system based on distributed power source of the present invention, can also be for one way feeding Brake energy recovery formula DC traction power-supply system, include one for providing the traction substation 1 of direct current energy to electric locomotive 2, described traction substation 1 is provided with the more than one voltage transformer 11 be connected on ac bus 4, the outgoing side correspondence of each voltage transformer 11 connects a rectifier 12, the outgoing side of all rectifiers 12 is connected on the DC bus 13 of traction substation 1, the both positive and negative polarity of described DC bus 13 is connected respectively contact system 14 and rail 15, the both positive and negative polarity of described electric locomotive 2 is connected respectively contact system 14 and rail 15.Wherein, voltage transformer can be two-winding transformer, the three winding transformer of three winding transformer or former limit phase shift ± 7.5 ° that adopt extend-triangle to connect.Rectifier can be six Pulses Rectifiers, 12 Pulses Rectifiers or 24 Pulses Rectifiers.Although give two voltage transformers and two rectifiers in figure, its number is not only limited to two.In Fig. 3, electric locomotive 2 is the load of traction substation.The DC bus 13 of traction substation 1 is provided with direct current new energy resources system 3, and described direct current new energy resources system 3 is connected with the DC bus 13 of traction substation 1, thus in a power supply zone, form direct current annular micro-capacitance sensor.
Described direct current new energy resources system 3 is connected on the DC bus 13 of traction substation 1 by direct current new energy resources system DC bus 31, and described electronlmobil charge/discharge unit and distributed power unit are connected on direct current new energy resources system DC bus 31.
Described electronlmobil charge/discharge unit includes the two-way DC-DC charge-discharge machine 32 be connected on direct current new energy resources system DC bus 31 of more than 1, two-way DC-DC (DC-DC) charge-discharge machine of more than 1 forms that to change electricity be main electronlmobil charge/discharge unit jointly, and the mouth of each two-way DC-DC charge-discharge machine 32 connects an electric automobile power battery.For improving the dynamic property of system, the mouth also super capacitors in parallel (not shown in FIG.) of the connecting electric automobile electrokinetic cell of described each two-way DC-DC (DC-DC) charge-discharge machine 32.
Described distributed power source includes more than one miniature gas turbine 33, more than one aerogenerator 35, more than one fuel cell 37 and more than one solar-energy photo-voltaic cell 39, wherein, each miniature gas turbine 33 is connected direct current new energy resources system DC bus 31 with each aerogenerator 35 each via one-way communication-direct current (AC-DC) changer 34/36, each fuel cell 37 is connected direct current new energy resources system DC bus 31 with each solar-energy photo-voltaic cell 39 each via Unidirectional direct-current-direct current (DC-DC) changer 38/40.
Wherein, solar-energy photo-voltaic cell 37 and aerogenerator 35 can adopt maximal power tracing to control according to different situations, and maximum current also can be adopted to control; One-way communication-direct current (AC-DC) changer 34,36 in the present invention and the control of Unidirectional direct-current-direct current (DC-DC) changer 38,40 can adopt master & slave control, equity controls or droop control, also can adopt hierarchical control.Because map space limit, in figure, only depict one representatively for four kinds of distributed power sources; In fact, the kind of distributed power source and quantity do not limit.
A kind of DC traction power-supply system based on distributed power source given by Fig. 3, is both applicable to the Brake energy recovery formula DC traction power-supply system of one way feeding, is also applicable to the Brake energy recovery formula DC traction power-supply system of two way feeding.
A kind of DC traction power-supply system based on distributed power source of the present invention, direct current contact system is connected with the direct current output cathode of DC traction substation, adopt overhead contact line to power to electric locomotive, rail is connected with the direct current output negative pole of DC traction substation, for realizing rail return current.Except adopting contact system and powering, also third-rail feeding can be adopted.Rail adopts to suspend and installs, to reduce the electrolytic corrosion to underground utilities.
The principle of work of a kind of DC traction power-supply system based on distributed power source of the present invention is, when distributed power source, electric locomotive braking cause DC bus-bar voltage to raise and reach limited voltage threshold, the two-way DC-DC charge-discharge machine 32 of more than 1, to electric automobile power battery charging, exceedes limit value to avoid DC bus-bar voltage; When electric locomotive run cause DC bus-bar voltage to be reduced to limited voltage threshold time, electric automobile power battery by charge-discharge machine to DC bus powered, to avoid DC bus-bar voltage lower than limit value.During electric locomotive runs low ebb and stoppage in transit, be electric automobile power battery charging by this electric power system, while meeting electric automobile power battery charging, also solve DC traction power-supply system when underload and zero load, the problem that AC Bulk Supply Substation power factor significantly reduces.Therefore, by changing the cooperation control that electricity is electronlmobil charge/discharge unit and the electric automobile power battery discharge and recharge led, not only achieve the utilization of distributed power source and the recovery of electric locomotive braking energy, stabilize the fluctuation of DC bus-bar voltage, and utilize DC traction power-supply system when underload and zero load, for electric automobile power battery charging, solve the problem that DC traction power-supply system AC Bulk Supply Substation power factor significantly reduces.
If distributed power source and to change electricity be that main electronlmobil charge/discharge unit capacity is enough large, then when AC network fault, can by distributed power source and to change electricity be main electronlmobil charge-discharge system is that electric locomotive is powered, thus improve the reliability of DC traction power-supply system.Also make full use of DC traction power-supply system to greatly reduce and change the construction cost that electricity is main charging system for electric automobile simultaneously, electric power system is had to the effect of " peak load shifting ", improve economy and the comprehensive utilization benefit of whole system.
Of the present invention a kind of based in the DC traction power-supply system of distributed power source, the charge and discharge control instruction of electronlmobil charge-discharge system can be given by communication system by control center, also can be given according to DC bus-bar voltage.
Change control that electricity is main electronlmobil charge-discharge system and structure has many kinds, specifically determined by real system.
Claims (4)
1. the DC traction power-supply system based on distributed power source, include plural for providing the traction substation (1) of direct current energy to electric locomotive (2), each traction substation (1) is provided with the more than one voltage transformer (11) be connected on ac bus (4), the outgoing side correspondence of each voltage transformer (11) connects a rectifier (12), the outgoing side of all rectifiers (12) is all connected on the DC bus (13) of be positioned at traction substation (1), the both positive and negative polarity of described DC bus (13) is connected respectively contact system (14) and rail (15), the both positive and negative polarity of described electric locomotive (2) is connected respectively contact system (14) and rail (15), the contact system (14) of each traction substation (1) is connected to a section post (16), the two ends of described section post (16) also connect the positive pole of corresponding DC bus (13) respectively, it is characterized in that, DC bus (13) between adjacent two traction substations (1) is provided with the direct current new energy resources system (3) be made up of electronlmobil charge/discharge unit and distributed power unit, described direct current new energy resources system (3) is connected with the DC bus (13) of adjacent two traction substations (1), thus in a power supply zone, form direct current annular micro-capacitance sensor, described direct current new energy resources system (3) is connected on the DC bus (13) of two adjacent traction substations (1) by direct current new energy resources system DC bus (31), described electronlmobil charge/discharge unit and distributed power unit are connected on direct current new energy resources system DC bus (31), described distributed power source includes more than one miniature gas turbine (33), more than one aerogenerator (35), more than one fuel cell (37) and more than one solar-energy photo-voltaic cell (39), wherein, each miniature gas turbine (33) is connected direct current new energy resources system DC bus (31) with each aerogenerator (35) each via an one-way communication-DC converter (34/36), each fuel cell (37) is connected direct current new energy resources system DC bus (31) with each solar-energy photo-voltaic cell (39) each via a Unidirectional direct-current-DC converter (38/40), described electronlmobil charge/discharge unit includes the two-way DC-DC charge-discharge machine (32) be connected on direct current new energy resources system DC bus (31) of more than 1, the mouth of each two-way DC-DC charge-discharge machine (32) connects an electric automobile power battery.
2. a kind of DC traction power-supply system based on distributed power source according to claim 1, is characterized in that, the mouth also super capacitors in parallel of the connecting electric automobile electrokinetic cell of described each two-way DC-DC charge-discharge machine (32).
3. the DC traction power-supply system based on distributed power source, include one for providing the traction substation (1) of direct current energy to electric locomotive (2), described traction substation (1) is provided with the more than one voltage transformer (11) be connected on ac bus (4), the outgoing side correspondence of each voltage transformer (11) connects a rectifier (12), the outgoing side of all rectifiers (12) is all connected on the DC bus (13) of traction substation (1), the both positive and negative polarity of described DC bus (13) is connected respectively contact system (14) and rail (15), the both positive and negative polarity of described electric locomotive (2) is connected respectively contact system (14) and rail (15), it is characterized in that, the DC bus (13) of traction substation (1) is provided with the direct current new energy resources system (3) be made up of electronlmobil charge/discharge unit and distributed power unit, described direct current new energy resources system (3) is connected with the DC bus (13) of adjacent two traction substations (1), thus in a power supply zone, form direct current annular micro-capacitance sensor, described direct current new energy resources system (3) is connected on the DC bus (13) of traction substation (1) by direct current new energy resources system DC bus (31), described electronlmobil charge/discharge unit and distributed power unit are connected on direct current new energy resources system DC bus (31), described distributed power source includes more than one miniature gas turbine (33), more than one aerogenerator (35), more than one fuel cell (37) and more than one solar-energy photo-voltaic cell (39), wherein, each miniature gas turbine (33) is connected direct current new energy resources system DC bus (31) with each aerogenerator (35) each via an one-way communication-DC converter (34/36), each fuel cell (37) is connected direct current new energy resources system DC bus (31) with each solar-energy photo-voltaic cell (39) each via a Unidirectional direct-current-DC converter (38/40), described electronlmobil charge/discharge unit includes the two-way DC-DC charge-discharge machine (32) be connected on direct current new energy resources system DC bus (31) of more than 1, the mouth of each two-way DC-DC charge-discharge machine (32) connects an electric automobile power battery.
4. a kind of DC traction power-supply system based on distributed power source according to claim 3, is characterized in that, the mouth also super capacitors in parallel of the connecting electric automobile electrokinetic cell of described each two-way DC-DC charge-discharge machine (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310322813.8A CN103419680B (en) | 2013-07-29 | 2013-07-29 | A kind of DC traction power-supply system based on distributed power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310322813.8A CN103419680B (en) | 2013-07-29 | 2013-07-29 | A kind of DC traction power-supply system based on distributed power source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103419680A CN103419680A (en) | 2013-12-04 |
| CN103419680B true CN103419680B (en) | 2015-08-19 |
Family
ID=49645224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310322813.8A Expired - Fee Related CN103419680B (en) | 2013-07-29 | 2013-07-29 | A kind of DC traction power-supply system based on distributed power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103419680B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740248B (en) * | 2017-01-24 | 2019-01-22 | 株洲中车时代电气股份有限公司 | A kind of tractive power supply system of high-speed magnetic levitation traffic system and its train |
| CN108437806B (en) | 2018-03-30 | 2019-09-13 | 中车青岛四方车辆研究所有限公司 | The configuration system and method for urban track traffic regenerating braking energy recyclable device |
| CN109687330B (en) * | 2018-12-26 | 2023-12-12 | 中国煤炭科工集团太原研究院有限公司 | DC 1500V overhead line power supply system for coal mine |
| CN110504692B (en) * | 2019-08-27 | 2022-10-21 | 西南交通大学 | Unified power flow control system and method for photovoltaic energy storage traction power supply of urban rail transit |
| CN111193315B (en) * | 2020-01-08 | 2023-06-09 | 中车株洲电力机车有限公司 | Rail vehicle power supply system |
| CN113644679A (en) * | 2021-07-08 | 2021-11-12 | 清华大学 | Flexible direct-current traction power supply system connected with distributed external power supply and operation method thereof |
| CN113497461B (en) * | 2021-09-08 | 2021-11-23 | 西南交通大学 | Three-phase traction network distributed power generation and supply system and control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496947A (en) * | 2011-11-25 | 2012-06-13 | 北京金风科创风电设备有限公司 | Peak clipping and valley filling method for microgrid |
| CN102738836A (en) * | 2012-06-26 | 2012-10-17 | 中国电力科学研究院 | Alternating current and direct current hybrid micro power grid system and control method thereof |
| CN102983589A (en) * | 2012-11-15 | 2013-03-20 | 中国电力科学研究院 | Control method of grid friendly type distributed power source based on hybrid energy storage |
| CN203358379U (en) * | 2013-07-29 | 2013-12-25 | 华北电力大学（保定） | Braking energy recycling type direct-current tractive power supply system comprising distributed power |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61191441A (en) * | 1985-02-20 | 1986-08-26 | Hitachi Ltd | Feeding device in substation for electric railway |
| JPS61278435A (en) * | 1985-06-03 | 1986-12-09 | Mitsubishi Electric Corp | Direct current feeding system for tramcar |
-
2013
- 2013-07-29 CN CN201310322813.8A patent/CN103419680B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496947A (en) * | 2011-11-25 | 2012-06-13 | 北京金风科创风电设备有限公司 | Peak clipping and valley filling method for microgrid |
| CN102738836A (en) * | 2012-06-26 | 2012-10-17 | 中国电力科学研究院 | Alternating current and direct current hybrid micro power grid system and control method thereof |
| CN102983589A (en) * | 2012-11-15 | 2013-03-20 | 中国电力科学研究院 | Control method of grid friendly type distributed power source based on hybrid energy storage |
| CN203358379U (en) * | 2013-07-29 | 2013-12-25 | 华北电力大学（保定） | Braking energy recycling type direct-current tractive power supply system comprising distributed power |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103419680A (en) | 2013-12-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103434421B (en) | A kind of mixing inter-act DC traction power-supply system based on new forms of energy | |
| CN103448573B (en) | A kind of inter-act electrified railway HVDC tractive power supply system | |
| CN103407383B (en) | Bidirectional interactive type DC (direct-current) traction power supply system base on new energy | |
| CN203358382U (en) | Bidirectional-interaction electrified railway high-voltage direct-current traction power supply system based on new energy | |
| CN103419680B (en) | A kind of DC traction power-supply system based on distributed power source | |
| CN103434420B (en) | Based on the Brake energy recovery formula DC traction power-supply system of charging electric vehicle | |
| CN109606208B (en) | Off-grid railway traction power supply system and regulation and control method | |
| CN109572491B (en) | Electrified railway traction network power supply structure and control method thereof | |
| CN102111077B (en) | Charging power supply system | |
| CN102910090B (en) | Combined intelligent power supply system for urban rail buses | |
| CN102290841A (en) | Peak clipping and valley filling electric vehicle swapping station for distribution network | |
| CN202806431U (en) | City rail bus combined type intelligent power supply system | |
| CN205632170U (en) | Low pressure contravariant repayment formula traction power supply system who contains energy storage | |
| CN203358379U (en) | Braking energy recycling type direct-current tractive power supply system comprising distributed power | |
| Shen et al. | Study of trackside photovoltaic power integration into the traction power system of suburban elevated urban rail transit line | |
| CN203358381U (en) | Two-way interactive direct-current traction power supply system | |
| CN203592908U (en) | Direct current-alternating current traction power supply system | |
| CN103107583A (en) | Electric vehicle charging station main circuit topology structure | |
| CN203984071U (en) | Electric automobile charging station | |
| Lianfu et al. | Research on the integrated braking energy recovery strategy based on super-capacitor energy storage | |
| CN203358380U (en) | Mixed two-way interactive direct-current traction power system | |
| CN203352263U (en) | Braking energy recovery-type direct current traction power supply system | |
| CN209823438U (en) | Complex line full parallel AT traction power supply system based on comprehensive energy | |
| CN209454601U (en) | A kind of off-network railway traction power supply system | |
| CN209505511U (en) | A kind of electric railway traction net powered construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20190729 |