CN109204006A - One kind being applied to attached wires of AC electrified railway Regenerated energy and utilizes system - Google Patents
One kind being applied to attached wires of AC electrified railway Regenerated energy and utilizes system Download PDFInfo
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- CN109204006A CN109204006A CN201811160048.3A CN201811160048A CN109204006A CN 109204006 A CN109204006 A CN 109204006A CN 201811160048 A CN201811160048 A CN 201811160048A CN 109204006 A CN109204006 A CN 109204006A
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- energy
- regenerated
- fairing
- supply arm
- storage device
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- 230000001172 regenerating effect Effects 0.000 claims abstract description 47
- 238000004146 energy storage Methods 0.000 claims abstract description 41
- 230000009466 transformation Effects 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 claims 1
- 238000002955 isolation Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000012546 transfer Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L9/00—Electric propulsion with power supply external to the vehicle
-
- H02J3/382—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
Abstract
The present invention discloses one kind and utilizes system applied to attached wires of AC electrified railway Regenerated energy, the system is arranged between the supply arm of electric split-phase both ends, disconnecting switch one end is connect with Alternating Current Power Supply arm, the other end is sequentially connected breaker step-down transformer primary side, step-down transformer primary side other end ground connection, secondary side is connect with fairing, realizes the transformation of electric energy step-down rectifier；DC chopped-wave device is connect with energy storage device, is charged to energy storage device；DC inverter device is connected through three-phase isolation transformer with bus, and regenerative electric energy smoothly transmits.Beneficial effect is, pass through fairing, DC chopped-wave device, DC inverter device, the Regenerated energy that traction braking is generated, it is connect by energy storage device and DC inverter device with power distribution network, it convert impact regenerative electric energy can by energy storage-power distribution network, storage Regenerated energy can be fed back to supply arm to power distribution network, while again by smooth output, effectively improve the utilization rate of regenerative electric energy, reduce impact regenerative electric energy to it is grid-connected when load impact.
Description
Technical field
The present invention relates to Regenerated energies to utilize system, is applied to attached wires of AC electrified railway Regenerated energy more particularly to one kind and utilizes
System.
Background technique
Attached wires of AC electrified main line railway has the characteristics that rate of traffic flow is big, power grade is high, at present electric locomotive (motor-car
Group) cross-straight-intersection trailer system is used, preferentially use regenerative braking.
As energy conservation realizes constantly enhancing, train regenerating braking energy is efficiently used, and then reduces operation energy charge
Expenditure is gradually accepted extensively, and therefore, research absorbs regenerating braking energy, stored and made full use of with important meaning
Justice.
Due to attached wires of AC electrified railway tractive power supply system use single side feeding mode, braking energy regeneration utilization of power by
It is limited to electric split-phase facilities, can not makes to regenerate energy intercommunication between different supply arms, lead to the direct benefit of regenerating braking energy
It is lower with rate, and occur the operating condition of active pushing electric network often.
Currently, the Regenerated energy of field of urban rail is more mature using system, but it is applied to attached wires of AC electrified iron
The Regenerated energy on road is using system still in theoretical research and experimental verification stage.To solve using high-speed overload as the main direction of development
Attached wires of AC electrified railway solve Regenerated energy and utilize Process Problems, urgent need develops one kind can be by energy storage and energy transfer point
System is utilized with the Regenerated energy combined, improves regenerative electric energy utilization rate in tractive power supply system.
Summary of the invention
It is combined again present invention solves the technical problem that being to provide a kind of can distribute energy storage with energy transfer
Life can utilize system.
The technical scheme adopted by the invention is that a kind of attached wires of AC electrified railway Regenerated energy that is applied to utilizes system, this is
System is arranged between the supply arm at electric split-phase both ends, including, disconnecting switch, breaker, step-down transformer, fairing, direct current
Chopping device, energy storage device, DC inverter device, isolating transformer；Described disconnecting switch one end respectively with exchange 27.5kV supply
The connection of electric arm A, B, the other end are sequentially connected circuit breaker Q F1, QF2, step-down transformer TP1, TP2 primary side, step-down transformer one
Secondary side other end ground connection, secondary side are connect with fairing, realize the transformation of electric energy step-down rectifier；DC chopped-wave device is whole from two sides
It flows the connected DC link of device to draw, DC chopped-wave device connect with energy storage device E, charges to energy storage device E；Direct current
Inverter is drawn from two sides fairing DC link, is connected through three-phase isolation transformer with 10kV bus, and regenerative electric energy is flat
Sliding transmission.
Tractive power supply system exchanges side there are when Regenerated energy, when exchange side supply arm A or B is in regenerative braking state, every
It leaves pass QS1 or QS2 and circuit breaker Q F1 or QF2 closure, Regenerated energy is put into operation using system.
Side regenerative electric energy is exchanged, it is right after rectified device AC/DC-1 or AC/DC-2 and DC chopped-wave device DC/DC are converted
Energy storage device E charges, while realizing after energy storage device energy snubber to 10kV distribution system and smoothly exporting electric energy.
Side regenerative electric energy is exchanged, fairing AC/DC-1 or AC/DC-2 and DC inverter device DC/AC and 10kV are passed through
Bus is connected through isolating transformer TP3, is utilized for regenerating braking energy and is provided access.
When exchange side supply arm A or B is in traction state, energy meets traction requirements in energy storage device, and closure is kept apart
It closes QS1 or QS2 and circuit breaker Q F1 or QF2, energy storage device enters discharge condition, Regenerated energy is put into operation using system, energy storage dress
It is set to electric energy needed for the train in supply arm provides.
Exchange side supply arm A or B is in regenerative braking state to be kept apart when adjacent supply arm B or A is in traction state
It closes QS1, QS2 and circuit breaker Q F1, QF2 is closed, regenerating braking energy passes through the operation of fairing AC/DC-1 and AC/DC-2
State Collaborative Control, the energy intercommunication of supply arm two sides.
The invention has the advantages that by fairing, DC chopped-wave device, DC inverter device, by traction braking
The Regenerated energy of generation is connect with 10kV power distribution network by energy storage device and DC inverter device, makes impact regenerative electric energy can
By energy storage-power distribution network conversion, 10kV power distribution network is given in smooth output, while the Regenerated energy of storage can be fed back to supply arm again,
The utilization rate for effectively increasing regenerative electric energy reduces load impact of the impact regenerative electric energy to 10kV when grid-connected.
Detailed description of the invention
Fig. 1 is that regenerative electric energy of the present invention utilizes system composition schematic diagram；
Fig. 2 a is Regenerated energy curve graph；
Fig. 2 b is energy storage device energy storage storage curve graph；
Fig. 2 c is power distribution network transfer electrical energy curve graph.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and detailed description:
Fig. 1 is that regenerative electric energy of the invention utilizes system composition schematic diagram；As shown in Figure 1, the present invention is a kind of to be applied to alternating current
The railway Regenerated energy that gasifies utilizes system, which is arranged between the supply arm at electric split-phase both ends, including disconnecting switch QS1,
QS2, circuit breaker Q F1, QF2, step-down transformer TP1, TP2, fairing AC/DC-1, AC/DC-2, DC chopped-wave device DC-
DC, energy storage device E, DC inverter device DC/AC, isolating transformer TP3.Wherein, disconnecting switch QS1, QS2 one end respectively with friendship
27.5kV supply arm A, B connection are flowed, the other end is sequentially connected circuit breaker Q F1, QF2, step-down transformer TP1, TP2 primary side, drops
Pressure transformer primary side other end ground connection, secondary side are connect with fairing AC/DC-1, AC/DC-2, realize electric energy step-down rectifier
Transformation；The DC link that DC chopped-wave device DC-DC is connected from two sides fairing is drawn, DC chopped-wave device DC-DC and storage
Energy device E connection, realization charge to energy storage device E；DC inverter device DC/AC draws from two sides fairing DC link
Out, it is connected through three-phase isolation transformer TP3 with 10kV bus, realizes that regenerative electric energy smoothly transmits.Through the invention, it is by traction
The regenerative electric energy of system connect and recycles with low-voltage distribution system, improves regenerative electric energy utilization rate.
For applied to alternating current electric railway regenerative electric energy, using system, its specific practice is:
Fig. 2 a to Fig. 2 c is regenerative electric energy of the present invention storage, power distribution network transfer power load chart, to install 1MW energy storage device
For, when tractive power supply system exchange side there are Regenerated energy (in Fig. 2 a it is raw can curve be negative value) when, i.e. exchange side supply arm A
Or B, when being in regenerative braking state, disconnecting switch QS1 or QS2 and circuit breaker Q F1 or QF2 closure, Regenerated energy utilize system investment
Operation；When Regenerated energy system breaks down, Regenerated energy system can be made to be detached from trailer system, do not influenced by cutting off breaker
Trailer system operation.Exchange side regenerative electric energy, rectified device AC/DC-1 or AC/DC-2 and DC chopped-wave device DC/DC transformation
Afterwards, it charges, while may be implemented after energy storage device energy snubber smoothly defeated to 10kV distribution system to energy storage device E
(energy storage device energy storage storage curve is negative value to electric energy in Fig. 2 b out；At the same time, side regenerative electric energy is exchanged, fairing is passed through
AC/DC-1 or AC/DC-2 and DC inverter device DC/AC is connect with 10kV bus through isolating transformer TP3, is regenerative braking energy
Amount utilizes offer access, that is, train regenerative braking electric energy in supply arm is smoothly sent to 10kV bus, and (Fig. 2 c power distribution network shifts
Smoothed curve), it can be seen that impact discontinuity regenerated load in Fig. 2 a from three curves of Fig. 2 a to Fig. 2 c, by energy storage
Fig. 2 b realizes the output electric energy continually and steadily exported to distribution system using Fig. 2 c.
The present invention can also realize the storage transfer of energy storage Regenerated energy inside Traction networks, when the exchange of tractive power supply system
Side without Regenerated energy (in Fig. 2 a it is raw can curve be zero) when, that is, when exchange side supply arm A or B is in traction state, if storing up at this time
Traction requirements can be met by energy in device, then be closed disconnecting switch QS1 or QS2 and circuit breaker Q F1 or QF2, make energy storage device into
Enter discharge condition (energy storage device energy storage stores curve by bearing to zero process in Fig. 2 b), Regenerated energy is put into operation using system, is made
Energy storage device provides required electric energy for the train in supply arm.
It is also possible to the transfer of regenerative electric energy Regenerated energy inside Traction networks be realized, as exchange side supply arm A
Or B is in regenerative braking state, and when adjacent supply arm B or A is in traction state, disconnecting switch QS1, QS2 and breaker
QF1, QF2 are closed, and regenerating braking energy passes through the operating status Collaborative Control of fairing AC/DC-1 and AC/DC-2, are realized
The energy intercommunication of supply arm two sides, and thus reduce tractive power supply system and draw energy consumption.
When breaking down inside Regenerated energy device, can by cut-off breaker QF1 and QF2 by Regenerated energy using system from
It is cut off in tractive power supply system, guarantees that tractive power supply system operates normally.
The present invention is applied to the principle that alternating current electric railway Regenerated energy utilizes system:
Fairing AC/DC-1, AC/DC-2 that the present invention is constituted with power electronic devices, DC chopped-wave device DC/DC, direct current
Based on inverter DC/AC, by triangular Collaborative Control, the transformation and feedback utilization efficiency of electric energy are improved, by train
The electric energy generated in regenerative braking smoothly passes to 10kV bus, utmostly reduces to the grid-connected load impact of 10kV power distribution network.
Electric energy conversion portion of the present invention, while being connected with the supply arm at electric split-phase both ends, so that supply arm A, B is passed through rectification
Device AC/DC-1, AC/DC-2(four-quadrant converter plant) realize energy intercommunication, allow regenerative electric energy between two supply arms
It is shifted, utmostly reduces the peak load demand of adjacent supply arm, realize two supply arm workload demands balanced
Change.
The integrated Regenerated energy of attached wires of AC electrified railway " store up-match " of the present invention utilizes system, and DC side is configured with energy storage device E,
Improve regeneration energy utilization flexibility.Energy storage device E can not only with DC chopped-wave DC/DC, DC inverter device DC/AC into
Row Collaborative Control makes regenerative electric energy feedback to 10kV bus；Meanwhile it also can be straight whole with friendship using DC chopped-wave device DC/AC
Flow device AC/DC-1, AC/DC-2(four-quadrant converter plant) constitute access, by the electric energy feedback of storage to exchange supply arm A
Or B, and it is achieved in regenerative electric energy fast energy storage and release.
The present invention passes through fairing AC/DC-1, AC/DC-2, DC chopped-wave device DC-DC, DC inverter device DC/
AC, being respectively utilized to complete the friendship-to electric energy, directly transformation, straight-straight transformation, straight, alternation change, the Regenerated energy that traction braking is generated,
It is connect by energy storage device and DC inverter device with 10kV power distribution network, makes impact regenerative electric energy can be by energy storage-distribution
Net conversion, 10kV power distribution network is given in smooth output, while the Regenerated energy of storage can be fed back to supply arm again, effectively increases regeneration
The utilization rate of electric energy reduces load impact of the impact regenerative electric energy to 10kV when grid-connected.
Claims (6)
1. one kind, which is applied to attached wires of AC electrified railway Regenerated energy, utilizes system, which is characterized in that the system is arranged in electric split-phase two
Between the supply arm at end, including, it is disconnecting switch (QS1, QS2), breaker (QF1, QF2), step-down transformer (TP1, TP2), whole
Flow device (AC/DC-1, AC/DC-2), DC chopped-wave device (DC-DC), energy storage device (E), DC inverter device (DC/AC),
Isolating transformer (TP3)；Described disconnecting switch (QS1, QS2) one end is connect with exchange 27.5kV supply arm A, B respectively, the other end
It is sequentially connected breaker (QF1, QF2), step-down transformer (TP1, TP2) primary side, the step-down transformer primary side other end is grounded,
Secondary side is connect with fairing (AC/DC-1, AC/DC-2), realizes the transformation of electric energy step-down rectifier；DC chopped-wave device (DC-
DC) DC link being connected from two sides fairing is drawn, and DC chopped-wave device (DC-DC) is connect with energy storage device (E), to storage
Energy device E charges；DC inverter device (DC/AC) is drawn from two sides fairing DC link, isolates transformation through three
Device (TP3) is connected with 10kV bus, and regenerative electric energy smoothly transmits.
2. the attached wires of AC electrified railway Regenerated energy according to claim 1 that is applied to utilizes system, which is characterized in that traction supplies
Electric system exchanges side there are when Regenerated energy, when exchange side supply arm A or B is in regenerative braking state, disconnecting switch QS1 or QS2
And circuit breaker Q F1 or QF2 closure, Regenerated energy are put into operation using system.
3. utilizing system according to the attached wires of AC electrified railway Regenerated energy that is applied to as stated in claim 1, which is characterized in that hand over
Flow side regenerative electric energy, rectified device (AC/DC-1) or fairing (AC/DC-2) and DC chopped-wave device (DC/DC) transformation
Afterwards, it charges to energy storage device E, while realizing after energy storage device energy snubber to 10kV distribution system and smoothly exporting electricity
Energy.
4. the attached wires of AC electrified railway Regenerated energy according to claim 1 that is applied to utilizes system, which is characterized in that exchange side
Regenerative electric energy passes through fairing (AC/DC-1) or fairing (AC/DC-2) and DC inverter device (DC/AC) and 10kV
Bus is connected through isolating transformer TP3, is utilized for regenerating braking energy and is provided access.
5. the attached wires of AC electrified railway Regenerated energy according to claim 1 that is applied to utilizes system, which is characterized in that exchange side
When supply arm A or B are in traction state, energy meets traction requirements in energy storage device, is closed disconnecting switch QS1 or QS2 and breaks
Road device QF1 or QF2, energy storage device enter discharge condition, and Regenerated energy is put into operation using system, and energy storage device is in supply arm
Electric energy needed for train provides.
6. the attached wires of AC electrified railway Regenerated energy according to claim 1 that is applied to utilizes system, which is characterized in that exchange side
Supply arm A or B are in regenerative braking state, when adjacent supply arm B or A is in traction state, disconnecting switch QS1, QS2 and open circuit
Device QF1, QF2 are closed, and regenerating braking energy passes through the operation shape of fairing (AC/DC-1) and fairing (AC/DC-2)
State Collaborative Control, the energy intercommunication of supply arm two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811160048.3A CN109204006A (en) | 2018-09-30 | 2018-09-30 | One kind being applied to attached wires of AC electrified railway Regenerated energy and utilizes system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811160048.3A CN109204006A (en) | 2018-09-30 | 2018-09-30 | One kind being applied to attached wires of AC electrified railway Regenerated energy and utilizes system |
Publications (1)
| Publication Number | Publication Date |
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| CN109204006A true CN109204006A (en) | 2019-01-15 |
Family
ID=64982684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811160048.3A Pending CN109204006A (en) | 2018-09-30 | 2018-09-30 | One kind being applied to attached wires of AC electrified railway Regenerated energy and utilizes system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950921A (en) * | 2019-02-28 | 2019-06-28 | 西安开天铁路电气股份有限公司 | Distributed intelligence railway regenerative electric energy utilizes system |
| CN110289762A (en) * | 2019-07-02 | 2019-09-27 | 温州大学 | A kind of high-current supply and its constant current control method and system |
| CN112564144A (en) * | 2019-09-26 | 2021-03-26 | 株洲中车时代电气股份有限公司 | Super-capacitor energy storage auxiliary power supply system, power supply system and power supply method |
| CN113497461A (en) * | 2021-09-08 | 2021-10-12 | 西南交通大学 | Three-phase traction network distributed power generation and supply system and control method |
| CN114069627A (en) * | 2020-08-04 | 2022-02-18 | 株洲变流技术国家工程研究中心有限公司 | Comprehensive treatment device and method for power quality of traction power supply system |
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| CN101376344A (en) * | 2008-09-28 | 2009-03-04 | 东南大学 | Multiple-target integrated control energy-saving method of electric power supply system for subway |
| CN103840477A (en) * | 2014-01-03 | 2014-06-04 | 南车株洲电力机车研究所有限公司 | Electrified railway traction power supply and energy storage device and method thereof |
| CN108365634A (en) * | 2018-04-23 | 2018-08-03 | 西南交通大学 | A kind of the railway photovoltaic energy-storage system and control method of regenerating braking energy recycling |
| CN209126537U (en) * | 2018-09-30 | 2019-07-19 | 中国铁路设计集团有限公司 | System is utilized applied to attached wires of AC electrified railway Regenerated energy |
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| CN101376344A (en) * | 2008-09-28 | 2009-03-04 | 东南大学 | Multiple-target integrated control energy-saving method of electric power supply system for subway |
| CN103840477A (en) * | 2014-01-03 | 2014-06-04 | 南车株洲电力机车研究所有限公司 | Electrified railway traction power supply and energy storage device and method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109950921A (en) * | 2019-02-28 | 2019-06-28 | 西安开天铁路电气股份有限公司 | Distributed intelligence railway regenerative electric energy utilizes system |
| CN110289762A (en) * | 2019-07-02 | 2019-09-27 | 温州大学 | A kind of high-current supply and its constant current control method and system |
| CN112564144A (en) * | 2019-09-26 | 2021-03-26 | 株洲中车时代电气股份有限公司 | Super-capacitor energy storage auxiliary power supply system, power supply system and power supply method |
| CN114069627A (en) * | 2020-08-04 | 2022-02-18 | 株洲变流技术国家工程研究中心有限公司 | Comprehensive treatment device and method for power quality of traction power supply system |
| CN113497461A (en) * | 2021-09-08 | 2021-10-12 | 西南交通大学 | Three-phase traction network distributed power generation and supply system and control method |
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