WO2024055436A1 - Système d'alimentation électrique auxiliaire pour véhicule à lévitation magnétique à stockage d'énergie - Google Patents

Système d'alimentation électrique auxiliaire pour véhicule à lévitation magnétique à stockage d'énergie Download PDF

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Publication number
WO2024055436A1
WO2024055436A1 PCT/CN2022/134912 CN2022134912W WO2024055436A1 WO 2024055436 A1 WO2024055436 A1 WO 2024055436A1 CN 2022134912 W CN2022134912 W CN 2022134912W WO 2024055436 A1 WO2024055436 A1 WO 2024055436A1
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WO
WIPO (PCT)
Prior art keywords
energy storage
voltage
power supply
auxiliary power
supply system
Prior art date
Application number
PCT/CN2022/134912
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English (en)
Chinese (zh)
Inventor
要文峰
谢秀刚
乔松
杨云茜
Original Assignee
中车长春轨道客车股份有限公司
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Application filed by 中车长春轨道客车股份有限公司 filed Critical 中车长春轨道客车股份有限公司
Publication of WO2024055436A1 publication Critical patent/WO2024055436A1/fr

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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
    • B60L1/00—Supplying electric power to auxiliary equipment of vehicles
    • 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
    • B60L13/00—Electric propulsion for monorail vehicles, suspension vehicles or rack railways; Magnetic suspension or levitation for vehicles
    • B60L13/04—Magnetic suspension or levitation for vehicles
    • 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
    • B60L13/00—Electric propulsion for monorail vehicles, suspension vehicles or rack railways; Magnetic suspension or levitation for vehicles
    • B60L13/10—Combination of electric propulsion and magnetic suspension or levitation
    • 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/40—Electric propulsion with power supplied within the vehicle using propulsion power supplied by capacitors
    • 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
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/10—Dynamic electric regenerative braking
    • 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
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • Existing maglev vehicles especially medium and low-speed maglev vehicles, generally use the third rail DC1500V for power supply.
  • the current is introduced into the high-voltage electrical box through the power receiving shoe.
  • the high-voltage electrical box is divided into three channels to feed the traction inverter, auxiliary inverter, Suspended power box. All the way through the traction inverter, it is converted into three-phase alternating current with adjustable frequency and voltage to supply power to the linear motor.
  • the second circuit is fed to the auxiliary inverter, which converts DC1500V into AC380V for use by air conditioning units, air compressors, traction inverter fans, 110V chargers and other equipment.
  • the 110V charger converts AC380V voltage into DC110V, which is supplied to the power supply through the DC bus. Power supply for vehicle lighting, host equipment, etc.
  • the three channels pass through the suspension power supply and are converted into DC330V for use by the suspension system.
  • embodiments of the present application provide an energy storage maglev vehicle auxiliary power supply system to provide a low-cost, lightweight maglev vehicle power supply system.
  • An energy storage maglev vehicle auxiliary power supply system including:
  • Energy storage units high-voltage DC electrical equipment, voltage regulation equipment, traction systems, linear motors and medium-voltage DC electrical equipment;
  • the output end of the energy storage unit, the input end of the voltage regulating equipment, the input end of the high-voltage DC electrical equipment, and the input end of the traction system are connected to the high-voltage DC bus;
  • the output end of the traction system and the input end of the linear motor are connected to the AC bus;
  • the output terminal of the voltage regulating device and the input and output terminals of the medium voltage DC electrical equipment are connected to the medium voltage DC bus.
  • the maglev train includes 1 trailer and at least two motor cars;
  • the energy storage unit is provided in the trailer.
  • the energy storage unit is a supercapacitor.
  • the output voltage of the supercapacitor is DC750V.
  • the number of supercapacitors is three.
  • the high-voltage DC electrical equipment includes:
  • the input ends of the suspension system, the air conditioning system and the air compressor are connected to the high voltage DC bus.
  • the voltage conversion device is a DC110V charger
  • the energy storage maglev vehicle auxiliary power supply system also includes a medium voltage energy storage unit, and the medium voltage energy storage unit is provided in The DC110V charger.
  • the medium voltage energy storage unit is a DC110V battery.
  • the above energy storage maglev vehicle auxiliary power supply system also includes: a braking energy recovery device, the output end of the braking energy recovery device is connected to the charging interface of the energy storage unit.
  • the energy storage maglev vehicle auxiliary power supply system according to claim 1, characterized in that the medium voltage DC electrical equipment includes: lighting system, network system, PIS system and pyrotechnic system.
  • the energy storage maglev vehicle auxiliary power supply system includes: energy storage unit, high voltage DC electrical equipment, voltage regulating equipment, traction system, linear motor and medium voltage DC. Electrical equipment; the output end of the energy storage unit, the input end of the voltage regulating equipment, the input end of the high-voltage DC electrical equipment, and the input end of the traction system are connected to the high-voltage DC bus; the traction system The output end of the linear motor and the input end of the linear motor are connected to the AC bus; the output end of the voltage regulating device and the input and output ends of the medium voltage DC electrical equipment are connected to the medium voltage DC bus, providing a low-cost and light Quantitative power supply scheme for maglev trains.
  • Figure 1 is a schematic structural diagram of the energy storage maglev vehicle auxiliary power supply system disclosed in the embodiment of the present application;
  • Figure 2 is a schematic structural diagram of an energy storage maglev vehicle auxiliary power supply system disclosed in another embodiment of the present application.
  • Figure 3 is a schematic structural diagram of an energy storage maglev vehicle auxiliary power supply system disclosed in another embodiment of the present application.
  • Figure 4 is a schematic structural diagram of an energy storage maglev vehicle auxiliary power supply system disclosed in another embodiment of the present application.
  • Figure 5 is a schematic structural diagram of an energy storage maglev vehicle auxiliary power supply system disclosed in another embodiment of the present application.
  • Figure 6 is a schematic structural diagram of an energy storage maglev vehicle auxiliary power supply system disclosed in another embodiment of the present application.
  • Figure 7 is a schematic structural diagram of an energy storage maglev vehicle auxiliary power supply system disclosed in another embodiment of the present application.
  • Figure 8 is a schematic structural diagram of an energy storage maglev vehicle auxiliary power supply system disclosed in another embodiment of the present application.
  • the energy storage maglev vehicle auxiliary power supply system may include:
  • Energy storage unit 100 high-voltage DC electrical equipment 200, voltage regulating equipment 300, traction system 400, linear motor 500 and medium-voltage DC electrical equipment 600, wherein the high-voltage DC electrical equipment 200 has a rated input voltage of DC750V.
  • the medium-voltage DC electrical equipment 600 is a medium-voltage electrical equipment with a rated input voltage of DC110V.
  • the charging interface of the energy storage power supply is connected to the current receiving rail powered by the charging pile. Through the charging pile The powered current rail charges the energy storage unit.
  • the output end of the energy storage unit 100, the input end of the voltage regulating device 300, the input end of the high-voltage DC electrical equipment 200, and the input end of the traction system 400 are connected to the high-voltage DC bus L1
  • the energy storage unit 100 outputs DC750V voltage to the high-voltage DC bus L1
  • the voltage regulating device 300, the high-voltage DC electrical equipment 200 and the traction system 400 obtain DC750V high-voltage direct current from the high-voltage DC bus L1;
  • the output end of the traction system 400 and the input end of the linear motor 500 are connected to the AC bus L2.
  • the input end of the traction inverter in the traction system 400 is connected to the high-voltage DC bus L1.
  • the DC750V high-voltage direct current is converted into a three-phase alternating current with adjustable frequency and voltage, and the obtained three-phase alternating current is transmitted to the AC bus L2 and sent through the AC bus L2
  • the linear motor 500 driven by a three-phase AC, the linear motor 500 provides traction power to the maglev train, so that the maglev train runs;
  • the output terminal of the voltage regulating device 300 and the input and input terminals of the medium voltage DC electrical equipment 600 are connected to the medium voltage DC bus L3.
  • the voltage regulating device 300 is used to convert the obtained DC750V high voltage direct current into a preset voltage.
  • the medium-voltage direct current of the amplitude can be DC110V voltage.
  • the generated DC110V power is transported to the medium-voltage DC bus L3, and the medium-voltage DC electrical equipment 600 obtains it through the medium-voltage DC bus L3.
  • the DC110V voltage allows medium voltage DC equipment to operate.
  • the high-voltage DC electrical equipment 200 may include a suspension system 201, an air conditioning system 202 and an air compressor 203; the suspension system 201, the air conditioning system 202 and The input end of the air compressor 203 is connected to the high-voltage DC bus L1.
  • the medium voltage DC electrical equipment 600 includes: a lighting system 601, a network system 602, a PIS system 603 and a pyrotechnic system 604.
  • the lighting system 601 is used to provide lighting functions for trains
  • the network system 602 is used to provide network functions for trains
  • the PIS system 603 is a passenger information system used to manage passenger information on the train.
  • the pyrotechnic system 604 is used to detect the pyrotechnics in the carriage to prevent the train from catching fire.
  • the maglev train uses the energy storage unit 100 to provide power.
  • the energy storage unit 100 in order to reduce the weight of the energy storage maglev train power supply system, the energy storage unit 100 can be a supercapacitor, and the output voltage of the supercapacitor is DC750V.
  • the number of the supercapacitors can be set according to user needs.
  • the number of the supercapacitors can be The number of supercapacitors can be 3, 4, 5, etc., and one of these supercapacitors can be a backup capacitor.
  • the number of supercapacitors can be 3.
  • the voltage adjustment device 300 can be a DC110V charger.
  • the 110V charger converts the DC750V high-voltage direct current obtained from the high-voltage DC bus L1 to obtain DC110V medium-voltage direct current.
  • the DC110V medium-voltage direct current is sent to the medium-voltage DC bus L3.
  • the DC110V charger may also be provided with a medium-voltage storage device.
  • Energy unit 100, the medium-voltage energy storage unit 100 may be a battery, and specifically the battery may be a DC110V battery. By integrating the DC110V battery into the charger, electric energy can be provided for train activation and activation of the energy storage unit 100 when the maglev train is not powered on.
  • the maglev train includes one trailer T and at least two motor cars Mc.
  • Each motor car Mc is equipped with the above-mentioned voltage conversion equipment, traction system 400 and air conditioning system 202 , air compressor 203 and suspension system 201.
  • the trailer T is an unpowered trailer, and the above-mentioned energy storage unit 100 is configured on the trailer T.
  • the trailer T is also equipped with a suspension system 201 and an air conditioning system. 202.
  • the capacitive capacity of each energy storage unit 100 can be configured according to user needs. For example, in this solution, the capacitive capacity of the energy storage unit 100 can be 84KWh.
  • the above system in order to provide stable high-voltage DC power to the high-voltage DC electrical equipment 200 in the high-speed train Mc, see Figure 5.
  • the above system can also It includes a high-voltage electrical box 700.
  • the input end of the high-voltage electrical box 700 is connected to the energy storage unit.
  • the output end of the high-voltage electrical box 700 is connected to the high-voltage DC electrical equipment in the Mc area of the high-voltage train.
  • the energy storage unit The output voltage of the energy unit 100 can be converted by the high-voltage electrical box 700 to obtain stable DC750V high-voltage direct current, and the DC750V high-voltage direct current is distributed to the voltage regulating equipment 300 and the high-voltage direct current power in the Mc area of the motor vehicle.
  • Device 200 and the traction system 400 are converted by the high-voltage electrical box 700 to obtain stable DC750V high-voltage direct current, and the DC750V high-voltage direct current is distributed to the voltage regulating equipment 300 and the high-voltage direct current power in the Mc area of the motor vehicle.
  • the number of the motor cars Mc is 2, and each motor car Mc is equipped with a DC110V charger.
  • the power of each charger is 14KW.
  • the entire maglev train has a total of 28KW.
  • the DC750V and DC110V power supply capabilities of the whole vehicle can meet Guarantee and margin of power supply for maglev vehicles under fault conditions.
  • the above system in order to prevent the system from being damaged due to lightning strikes, see Figure 7.
  • the above system also includes a lightning arrester box 800. 800 provides lightning protection for the system.
  • the energy storage maglev vehicle auxiliary power supply system disclosed in the embodiment of the present application also includes: braking Energy recovery device 900.
  • the output end of the braking energy recovery device 900 is connected to the charging interface of the energy storage unit 100.
  • the braking energy recovery device is used to recover the braking energy of the maglev train during the braking process of the maglev train.
  • the braking energy is converted into electrical energy, and the recovered energy is transported to the energy storage unit 100 through the output end of the energy recovery device to charge the energy storage unit 100 .
  • the energy recovery ratio of the energy storage unit 100 can reach 67%.
  • This DC power supply topology reduces voltage conversion equipment, reasonably simplifies the composition of the electrical system, improves system stability, and meets the needs of vehicle lightweighting and cost reduction.
  • the voltage conversion equipment is reduced and the electrical system composition is reasonably simplified.
  • the unified voltage is DC750V, so the auxiliary inverter, DC330V power supply, 330V battery, 110V battery, high-voltage distribution box, reactor box and other equipment are reduced, making the entire auxiliary power supply system more concise and simplifying the complex.
  • the weight of the entire vehicle is reduced. According to statistics, the auxiliary power supply system reduces the weight of the entire vehicle by about 3 tons.
  • the reduction in vehicle weight has greatly improved the static load indicators per linear meter, line construction costs, operating costs, electrical energy consumption, vehicle traction and braking performance and other aspects.
  • the auxiliary power supply system has high redundancy. After reducing the voltage conversion equipment, the capacity of the supercapacitor and charger is appropriately increased. If one equipment fails, it can meet the load demand of the entire train and the system has strong redundancy.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

Un système d'alimentation électrique auxiliaire pour un véhicule à lévitation magnétique à stockage d'énergie, ledit système comprenant : une unité de stockage d'énergie, un dispositif électronique à courant continu haute tension, un dispositif de régulation de tension, un système de traction, un moteur linéaire et un dispositif électronique à courant continu moyenne tension. Une extrémité de sortie de l'unité de stockage d'énergie, une extrémité d'entrée du dispositif de régulation de tension, une extrémité d'entrée du dispositif électronique à courant continu haute tension, et une extrémité d'entrée du système de traction sont connectées à un bus à courant continu haute tension ; une extrémité de sortie du système de traction et une extrémité d'entrée du moteur linéaire sont connectées à un bus à courant alternatif ; et une extrémité de sortie du dispositif de régulation de tension et une extrémité de sortie du dispositif électronique à courant continu à moyenne tension sont connectées à un bus à courant continu à moyenne tension. L'invention offre une solution d'alimentation électrique de faible coût et légère pour un train à lévitation magnétique.
PCT/CN2022/134912 2022-09-15 2022-11-29 Système d'alimentation électrique auxiliaire pour véhicule à lévitation magnétique à stockage d'énergie WO2024055436A1 (fr)

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CN202222446603.7 2022-09-15
CN202222446603.7U CN218876905U (zh) 2022-09-15 2022-09-15 一种储能磁浮车辆辅助供电系统

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09104263A (ja) * 1995-05-03 1997-04-22 Siemens Ag 長固定子磁気軌道システムのエネルギー供給装置及びその作動方法
US20100127563A1 (en) * 2008-11-21 2010-05-27 General Electric Company Propulsion system
CN108638913A (zh) * 2018-07-04 2018-10-12 西南交通大学 一种中速磁浮牵引系统动力配置方法
WO2019045422A1 (fr) * 2017-08-29 2019-03-07 한국철도기술연구원 Système de transport par hypertube
CN111216562A (zh) * 2018-11-23 2020-06-02 中车唐山机车车辆有限公司 辅助供电系统，磁悬浮列车及磁悬浮轨道
CN212125115U (zh) * 2020-11-02 2020-12-11 湖南凌翔磁浮科技有限责任公司 中低速磁浮列车及供电系统
CN114368289A (zh) * 2022-01-05 2022-04-19 中车唐山机车车辆有限公司 一种供电系统及磁浮列车

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09104263A (ja) * 1995-05-03 1997-04-22 Siemens Ag 長固定子磁気軌道システムのエネルギー供給装置及びその作動方法
US20100127563A1 (en) * 2008-11-21 2010-05-27 General Electric Company Propulsion system
WO2019045422A1 (fr) * 2017-08-29 2019-03-07 한국철도기술연구원 Système de transport par hypertube
CN108638913A (zh) * 2018-07-04 2018-10-12 西南交通大学 一种中速磁浮牵引系统动力配置方法
CN111216562A (zh) * 2018-11-23 2020-06-02 中车唐山机车车辆有限公司 辅助供电系统，磁悬浮列车及磁悬浮轨道
CN212125115U (zh) * 2020-11-02 2020-12-11 湖南凌翔磁浮科技有限责任公司 中低速磁浮列车及供电系统
CN114368289A (zh) * 2022-01-05 2022-04-19 中车唐山机车车辆有限公司 一种供电系统及磁浮列车

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