CN113013924A - Traction power supply system connected with new energy power generation unit - Google Patents

Traction power supply system connected with new energy power generation unit Download PDF

Info

Publication number
CN113013924A
CN113013924A CN202110274230.7A CN202110274230A CN113013924A CN 113013924 A CN113013924 A CN 113013924A CN 202110274230 A CN202110274230 A CN 202110274230A CN 113013924 A CN113013924 A CN 113013924A
Authority
CN
China
Prior art keywords
power
generation unit
new energy
power supply
power generation
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.)
Pending
Application number
CN202110274230.7A
Other languages
Chinese (zh)
Inventor
解绍锋
李静雯
李群湛
易东
黄小红
郭锴
张丽艳
张丽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Southwest Jiaotong University
Original Assignee
Southwest Jiaotong University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Southwest Jiaotong University filed Critical Southwest Jiaotong University
Priority to CN202110274230.7A priority Critical patent/CN113013924A/en
Publication of CN113013924A publication Critical patent/CN113013924A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381—Dispersed generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M3/00—Feeding power to supply lines in contact with collector on vehicles; Arrangements for consuming regenerative power
    • 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
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/01—Arrangements for reducing harmonics or ripples
    • 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
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
    • H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
    • H02J3/144—Demand-response operation of the power transmission or distribution network
    • 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
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
    • H02S10/12—Hybrid wind-PV energy systems
    • 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
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/22—The renewable source being solar energy
    • H02J2300/24—The renewable source being solar energy of photovoltaic origin
    • 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
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/28—The renewable source being wind energy
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30—Reactive power compensation
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/40—Arrangements for reducing harmonics

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Mechanical Engineering (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The invention provides a traction power supply system accessed by a new energy power generation unit, and relates to the field of traction power supply of electrified railways. Two ports of the new energy power generation unit are respectively connected with power supply arms on two sides of a traction power supply system substation and are connected with loads of the power supply arms in parallel. The measurement and control unit is connected with the measurement ends of the voltage transformer and the current transformer and the control end of the new energy power generation system. And the new energy power generation unit and the traction substation jointly output power to the traction load. The method is characterized in that the purpose that the maximum output power of a new energy power generation unit is supplied to a railway load is taken as a target, the power generation capacity of the new energy power generation unit is set as a reference value, when the load power is less than or equal to the reference value, the new energy power generation unit outputs power as required, when the traction load power is greater than the reference value, the new energy power generation unit and a traction substation simultaneously output power to the traction load, the control, utilization and consumption of new energy power generation are realized, the peak clipping of the traction load can be realized, and the problem of negative sequence and other energy quality can be.

Description

Traction power supply system connected with new energy power generation unit
Technical Field
The invention belongs to the technical field of traction power supply of electrified railways, and particularly relates to a traction power supply system accessed by a new energy power generation unit.
Background
At present, electric energy used by a traction power supply system is basically from a three-phase power grid, a railway department pays a large amount of electric charges to an electric power department every year, if the traction power supply system can spontaneously utilize local energy to generate electricity for supplying power to a traction power grid, a large amount of electric charges can be saved every year, new energy generation control, utilization and consumption are realized, the proportion of green energy in the energy consumption of the traction power supply system is increased, and energy conservation and emission reduction are realized.
The power generation by applying new energy and renewable energy is widely applied to power systems, the power generation capacity is improved year by year, and the progress is obvious.
The power frequency single-phase 27.5kV alternating current adopted by railways in China and the electric energy at a traction substation supply power to trains through a contact network, so that the reliability of power supply is ensured, the number of stations along the railways is large, the energy consumption is relatively centralized, and various energy forms such as new energy, renewable energy and the like are conveniently used on a large scale. The utilization of new energy and renewable energy in the railway industry is promoted, the energy-saving and emission-reducing space of the railway can be fully excavated, the low-carbon railway operation is promoted, and the large-scale non-carbon transportation is probably realized in a local area.
Disclosure of Invention
The invention aims to provide a traction power supply system connected with a new energy power generation unit, which can reasonably utilize green energy power generation to supplement electric energy for a traction network, improve the proportion of the green energy in the energy consumption of the traction power supply system, and realize energy conservation and emission reduction.
The technical scheme of the invention is as follows:
a traction power supply system accessed by a new energy power generation unit is characterized by comprising the new energy power generation unit, a traction substation, a measurement and control unit, a first current transformer CT1, a second current transformer CT2, a third current transformer CT3, a fourth current transformer CT4, a first voltage transformer VT1, a second voltage transformer VT2, a third voltage transformer VT3 and a fourth voltage transformer VT 4; the traction substation is provided with a first power supply arm and a second power supply arm, the first power supply arm is connected with a first output port of the new energy power generation unit, and the second power supply arm is connected with a second output port of the new energy power generation unit; a first current transformer CT1 and a first voltage transformer VT1 are arranged at the head end feeder line of the first power supply arm, and a second current transformer CT2 and a second voltage transformer VT2 are arranged at the head end feeder line of the second power supply arm; a third current transformer CT3 and a third voltage transformer VT3 are arranged at an outlet of a first output port of the new energy power generation unit, and a fourth current transformer CT4 and a fourth voltage transformer VT4 are arranged at an outlet of a second output port of the new energy power generation unit; an input port of the measurement and control unit is respectively connected with a first current transformer CT1, a second current transformer CT2, a third current transformer CT3, a fourth current transformer CT4, a first voltage transformer VT1, a second voltage transformer VT2, a third voltage transformer VT3 and a fourth voltage transformer VT4, and an output end of the measurement and control unit is connected with a control end of the new energy power generation unit;
the measurement and control unit is used for obtaining current and voltage information from a first current transformer CT1, a second current transformer CT2, a third current transformer CT3, a fourth current transformer CT4, a first voltage transformer VT1, a second voltage transformer VT2, a third voltage transformer VT3 and a fourth voltage transformer VT4,obtaining the power S output to the first power supply arm by the traction substationsaAnd the power S output by the traction substation to the second power supply armsbAnd the power S of the first output port of the new energy power generation unithaAnd the power S of the second output port of the new energy power generation unithb(ii) a According to power ShaAnd power SsaSumming to obtain the load power S of the first power supply armaAccording to the power ShbAnd power SsbSumming to obtain the load power S of the second power supply armb(ii) a Calculating the active power P of the first power supply arm and the second power supply arm according to the obtained current and voltage informationaAnd PbJudging whether the traction power is the traction power or not, and controlling the new energy power generation unit to generate power through a control signal if the traction load is in the traction working condition; according to the obtained voltage and current information of the power supply arm, reactive power and harmonic distortion of the first power supply arm and the second power supply arm are obtained through calculation, and the new energy power generation unit is controlled to send out reactive power through the control signal to perform reactive power compensation or compensate harmonic.
In the scheme, the control method of the measurement and control unit for the new energy power generation unit is that the power generation capacity of the new energy power generation unit is selected as a reference value PtThere are 4 cases as follows:
(A) when the power supply arm a is loaded and the power supply arm b is unloaded, the port a of the new energy power generation unit sends active power, and the port b is in standby. If the load requires power PaLess than or equal to the reference value PtWhile port a sends out power Pha＝Pa(ii) a If the load requires power Pa> reference value PtWhile port a sends out power Pha＝Pt；
(B) When the power supply arm b is loaded and the power supply arm a is unloaded, the port b of the new energy power generation unit generates active power, and the port a is in standby. If the load requires power PbLess than or equal to the reference value PtWhen the port b sends out power Phb＝Pb(ii) a If the load requires power Pb> reference value PtWhen the port b sends out power Phb＝Pt；
(C) When the power supply arms a and b are loaded, the ports a and b of the new energy power generation unit respectively emit powerActive power. If the load requires power Pa+PbLess than or equal to the reference value PtWhile port a sends out power Pha＝PaPort b sends out power Phb＝Pb(ii) a If the load requires power Pa+Pb> reference value PtIn the process, the whole capacity of the new energy power generation unit GU is distributed to two ports so as to achieve the aim of reducing the three-phase unbalance of the voltage at the substation to the maximum extent;
(D) and when the power supply arms a and b are not loaded, the new energy power generation unit GU is in a standby state.
Further, the new energy power generation unit GU is one or more of a hydrogen energy power generation unit, a photovoltaic power generation unit and a wind power generation unit, and the output voltage is converted into single-phase alternating current of 27.5kV of a traction network.
The invention has the beneficial effects that: the topology that a new energy power generation is connected to a traction power supply system at a traction substation is provided, auxiliary power is supplied to a traction network, power taking to a three-phase power grid is reduced, peak clipping is carried out on traction load, the installation capacity of a traction transformer can be reduced, and the electric charge for traction power utilization is reduced; the control, utilization and consumption of new energy power generation are realized, the proportion of green energy in the energy consumption of a traction power supply system is increased, and energy conservation and emission reduction are realized.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of a hydrogen energy power generation unit according to an embodiment of the present invention.
Fig. 3 is a schematic view of a photovoltaic power generation unit of an embodiment of the present invention.
FIG. 4 is a schematic view of a wind power unit according to an embodiment of the invention.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
Examples
As shown in fig. 1, the present embodiment specifically includes a new energy power generation unit GU, a traction substation SS, a measurement and control unit CD, current transformers CT1, CT2, CT3 and CT4, voltage transformers VT1, VT2, VT3, and VT 4. A current transformer CT1 and a voltage transformer VT1 are arranged at a head end feeder line of a power supply arm a of a traction substation SS. A current transformer CT2 and a voltage transformer VT2 are arranged at a head end feeder of a power supply arm b of the traction substation SS. And a new energy power generation unit is arranged at the position of the traction substation SS and is provided with two power supply ports, wherein the power supply port a is connected with a power supply arm a, and the power supply port b is connected with a power supply arm b. And a current transformer CT3 and a voltage transformer VT3 are arranged at the outlet of the power supply port a, and a current transformer CT4 and a voltage transformer VT4 are arranged at the outlet of the power supply port b. The outputs of the voltage transformers VT1, VT2, VT3 and VT4 and the current transformers CT1, CT2, CT3 and CT4 are transmitted to the input end of the measurement and control unit CD, and the output port of the measurement and control unit is connected with the new energy power generation unit GU.
Fig. 2 shows a power generation method 1 that can be employed by the hydrogen energy power generation unit: the fuel cell generates electricity. The fuel cell generates direct current to transmit power to power supply arms on two sides of the traction substation through the inverters of the port a and the port b. Power generation method 2 that can be employed for the hydrogen power generation unit: a hydrogen-fueled gas turbine generates electricity. Chemical energy of hydrogen is converted into heat energy and mechanical energy after combustion of the gas turbine, the mechanical energy is converted into high-frequency alternating current through the generator, then converted into direct current through the rectifier, and finally power is transmitted to power supply arms on two sides of the traction substation through the inverters at the port a and the port b respectively.
Fig. 3 shows that the photovoltaic power generation system utilizes solar energy to generate direct current through the photovoltaic module, and finally, the direct current is transmitted to the power supply arms on the two sides of the traction substation through the inverters of the port a and the port b respectively.
Fig. 4 shows that the wind power generation system converts the kinetic energy of wind into mechanical kinetic energy, converts the mechanical energy into electrical kinetic energy, drives the windmill blades to rotate by using wind power, increases the rotating speed, drives the generator to generate power, and finally supplies power to the power supply arms on the two sides of the traction substation through the inverters at the port a and the port b respectively.

Claims (2)

1. A traction power supply system accessed by a new energy power generation unit is characterized by comprising the new energy power generation unit, a traction substation, a measurement and control unit, a first current transformer CT1, a second current transformer CT2, a third current transformer CT3, a fourth current transformer CT4, a first voltage transformer VT1, a second voltage transformer VT2, a third voltage transformer VT3 and a fourth voltage transformer VT 4; the traction substation is provided with a first power supply arm and a second power supply arm, the first power supply arm is connected with a first output port of the new energy power generation unit, and the second power supply arm is connected with a second output port of the new energy power generation unit; a first current transformer CT1 and a first voltage transformer VT1 are arranged at the head end feeder line of the first power supply arm, and a second current transformer CT2 and a second voltage transformer VT2 are arranged at the head end feeder line of the second power supply arm; a third current transformer CT3 and a third voltage transformer VT3 are arranged at an outlet of a first output port of the new energy power generation unit, and a fourth current transformer CT4 and a fourth voltage transformer VT4 are arranged at an outlet of a second output port of the new energy power generation unit; an input port of the measurement and control unit is respectively connected with a first current transformer CT1, a second current transformer CT2, a third current transformer CT3, a fourth current transformer CT4, a first voltage transformer VT1, a second voltage transformer VT2, a third voltage transformer VT3 and a fourth voltage transformer VT4, and an output end of the measurement and control unit is connected with a control end of the new energy power generation unit;
the measurement and control unit is used for obtaining the power S output by the traction substation to the first power supply arm according to the current and voltage information obtained from the first current transformer CT1, the second current transformer CT2, the third current transformer CT3, the fourth current transformer CT4, the first voltage transformer VT1, the second voltage transformer VT2, the third voltage transformer VT3 and the fourth voltage transformer VT4saAnd the power S output by the traction substation to the second power supply armsbAnd the power S of the first output port of the new energy power generation unithaAnd the power S of the second output port of the new energy power generation unithb(ii) a According to power ShaAnd power SsaSumming to obtain the load power S of the first power supply armaAccording to the power ShbAnd power SsbSumming to obtain the load power S of the second power supply armb(ii) a Calculating the active power P of the first power supply arm and the second power supply arm according to the obtained current and voltage informationaAnd PbJudging whether the traction power is the traction power or not, and controlling the traction power through a control signal if the traction load is in the traction working conditionGenerating power by a new energy power generation unit; according to the obtained voltage and current information of the power supply arm, reactive power and harmonic distortion of the first power supply arm and the second power supply arm are obtained through calculation, and the new energy power generation unit is controlled to send out reactive power through the control signal to perform reactive power compensation or compensate harmonic.
2. The traction power supply system accessed by the new energy power generation unit according to claim 1, wherein the new energy power generation unit is one or more of a hydrogen energy power generation unit, a photovoltaic power generation unit and a wind power generation unit, and the output voltage is converted into traction network 27.5kV single-phase alternating current.
CN202110274230.7A 2021-03-15 2021-03-15 Traction power supply system connected with new energy power generation unit Pending CN113013924A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110274230.7A CN113013924A (en) 2021-03-15 2021-03-15 Traction power supply system connected with new energy power generation unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110274230.7A CN113013924A (en) 2021-03-15 2021-03-15 Traction power supply system connected with new energy power generation unit

Publications (1)

Publication Number Publication Date
CN113013924A true CN113013924A (en) 2021-06-22

Family

ID=76406840

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110274230.7A Pending CN113013924A (en) 2021-03-15 2021-03-15 Traction power supply system connected with new energy power generation unit

Country Status (1)

Country Link
CN (1) CN113013924A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113479117A (en) * 2021-09-08 2021-10-08 西南交通大学 System and method for identifying train running state of distributed power generation traction network
CN113489006A (en) * 2021-07-30 2021-10-08 盾石磁能科技有限责任公司 Energy management device in traction power supply system and 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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106786742A (en) * 2016-12-26 2017-05-31 西南交通大学 A kind of integrated converting means and control method for photovoltaic tractive power supply system
CN106849836A (en) * 2017-03-09 2017-06-13 中广核太阳能开发有限公司 A kind of control method of electric railway three-phase photovoltaic energy storage system
CN107749637A (en) * 2017-10-17 2018-03-02 西南交通大学 A kind of provide multiple forms of energy to complement each other grid-connected system and control method applied to electric railway
CN112339619A (en) * 2021-01-11 2021-02-09 西南交通大学 In-phase traction power supply and remote power generation grid-connected system and control method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106786742A (en) * 2016-12-26 2017-05-31 西南交通大学 A kind of integrated converting means and control method for photovoltaic tractive power supply system
CN106849836A (en) * 2017-03-09 2017-06-13 中广核太阳能开发有限公司 A kind of control method of electric railway three-phase photovoltaic energy storage system
CN107749637A (en) * 2017-10-17 2018-03-02 西南交通大学 A kind of provide multiple forms of energy to complement each other grid-connected system and control method applied to electric railway
CN112339619A (en) * 2021-01-11 2021-02-09 西南交通大学 In-phase traction power supply and remote power generation grid-connected system and control method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
邓文丽等: "复杂电气化铁路牵引用光伏发电系统综合优化控制方法研究", 《中国电机工程学报》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113489006A (en) * 2021-07-30 2021-10-08 盾石磁能科技有限责任公司 Energy management device in traction power supply system and traction power supply system
CN113479117A (en) * 2021-09-08 2021-10-08 西南交通大学 System and method for identifying train running state of distributed power generation traction network
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
WO2023035602A1 (en) * 2021-09-08 2023-03-16 西南交通大学 Distributed power generation traction network train operating state identification system and method, and device

Similar Documents

Publication Publication Date Title
CN113013924A (en) Traction power supply system connected with new energy power generation unit
CN102074952B (en) Independent micro-grid system
CN201323453Y (en) Renewable energy micro-grid
CN108649602A (en) Wind-solar-diesel storage intelligent AC micro-grid system
CN109606208B (en) Off-grid railway traction power supply system and regulation and control method
CN103715686B (en) A kind of energy efficiency analysis method for air being applicable to DC distribution netting twine road
CN104092250A (en) Distributed economic dispatch and coordination control method for micro-grid system
CN105552966A (en) Energy-storage direct-drive permanent magnet wind power generation system
CN104538988A (en) Voltage stability regulating system for distributed power connection and control method thereof
CN104882900A (en) Direct current power transmission control method suitable for large-scale wind power outward transmission
Bade et al. Analysis of railway traction power system using renewable energy: A review
CN112895986B (en) Traction power supply system connected with new energy power generation unit
Li et al. Requirement analysis on large-scale renewable energy DC collection and transmission technology
CN103117555A (en) Novel integrated device of solar energy assisted thermal power station
Li et al. Coordinated Voltage Control for Offshore Wind Farm Equipped with SVG and Energy Storage
CN204089214U (en) A kind of solar energy, heat generating intelligent control type are defeated, distribution micro-capacitance sensor
Wu et al. Voltage control of offshore wind farm considering reactive ability of electrochemical energy storage
CN202586812U (en) Hydropower and solar energy combined power generation system
CN209823438U (en) Complex line full parallel AT traction power supply system based on comprehensive energy
CN204858593U (en) Mix wind generator system based on direct current transmission circuit
Yan et al. Modeling and Control of New Wind Power Grid Connected System
He et al. Simulation of large-scale energy storage to improve high-voltage DC stability
CN214013879U (en) Super capacitor and lithium battery coupled power frequency modulation system
Zhang et al. Dynamic Characteristics Simulation of Medium Voltage DC Off-Grid Hydrogen Production System
Chen et al. Power flow analysis of hybrid AC/DC microgrid based on power electronic transformer

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20210622