CN201109373Y - Auxiliary power unit of slow run magnetic suspension train - Google Patents
Auxiliary power unit of slow run magnetic suspension train Download PDFInfo
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- CN201109373Y CN201109373Y CNU2007200653840U CN200720065384U CN201109373Y CN 201109373 Y CN201109373 Y CN 201109373Y CN U2007200653840 U CNU2007200653840 U CN U2007200653840U CN 200720065384 U CN200720065384 U CN 200720065384U CN 201109373 Y CN201109373 Y CN 201109373Y
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- 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
Abstract
The utility model relates to an auxiliary power unit of a low-speed maglev, which includes a high-pressure switch isolation box, a DC1500V/DC330V converter box, a three-phase auxiliary inverter box, a low-voltage power distribution cabinet, a 3AC330V/DC110V converter box, a DC330V power distribution cabinet, an emergency inverter, a 330 V and 110 V storage battery pack and a management circuit thereof. The auxiliary power unit integrates high-voltage isolation, high-voltage direct current conversion, auxiliary inversion, low-voltage power distribution, conversion between direct current and alternate current, high-voltage direct current power distribution, emergency inversion, 330 V and 110 V storage battery pack and management function. The auxiliary power unit of the low-speed maglev can be provided with an auxiliary power supply with stability, safety and reliability.
Description
Technical field
The utility model relates to a kind of train auxiliary power unit (APU), particularly a kind of low-speed maglev train auxiliary power unit (APU).
Background technology
It is a marshalling unit that magnetic-levitation train is generally taked 3 joint cars, and the accessory feed configuration of every joint car is identical.Because it is different significantly that magnetic-levitation train function, principle of work, operation characteristic and conventional train have, need the accessory feed of suitable its requirement.
Summary of the invention
The purpose of utility model provides a kind of low-speed maglev train auxiliary power unit (APU), and it can provide stable, safe and reliable auxiliary electric power supply at the characteristics and the demand of low-speed maglev train.It is an AC and DC auxiliary electrical equipment all on the car with the DC1500V voltage transformation; comprise required AC and DC power supplys such as suspension system, air-conditioning/heating, pneumatics unit, train illumination, each system, control circuit, electric door and the cab signal of vehicle and communication facilities, storage battery, and corresponding distribution and protection are provided.
It comprises high voltage isolator case 1, DC1500V/DC330V transducer box 2, three-phase subordinate inverter case 3, low voltage switch box 4,3AC330V/DC110V transducer box 5, DC330V electric power distribution cabinet 6, urgent inverter 7,330V and 110V battery pack and management circuit 8 thereof, wherein
High voltage isolator case 1 one ends link to each other with the 1500V dc power output end of vehicle high pressure distribution box with protectors, after internal insulation and protective circuit, be divided into three tunnel outputs, the first via is through delivering to the High-Voltage Electrical Appliances cabinet of traction system behind the disconnector, the second the tunnel through delivering to DC1500V/DC330V transducer box 2 behind disconnector and the fuse, delivers to three-phase subordinate inverter case 3 behind Third Road process disconnector and the fuse; It is the isolation and the protection of the high voltage input terminal of SIV and suspended power supply;
DC1500V/DC330V transducer box 2 will be transformed to DC330V voltage from the DC1500V input voltage of high voltage isolator case 1, output to train suspension controller, VVVF blower fan and reactor blower fan backup power respectively power supply is provided, be the 300V battery charging simultaneously, horsepower output is configured to 60kW;
Three-phase subordinate inverter case 3 comprises that the amount of exports constant volume is configured to the main DC/AC inverter 3-1 of 60kVA and the standby DC/AC inverter 3-2 that the amount of exports constant volume is configured to 2kVA;
Main DC/AC inverter 3-1 comprises that one is the inverter circuit of three-phase alternating current 3 * 380V/50Hz power supply with the DC1500V power inverter, and its power supply output is bought car in installments and carried alternating current equipment: air conditioner, Air compressor, VVVF ventilating set, electric heater, single-phase AC220V make things convenient for the socket load and exchange the lighting load electricity consumption; Standby DC/AC inverter 3-2 comprises that one is the inverter circuit of three-phase alternating current 3 * 380V/50Hz power supply with the DC330V power inverter, when main DC/AC inverter et out of order, VVVF ventilating set, reactor blower fan will be automatically switched to standby DC/AC inverter and be powered;
Equipment AC380V power distribution, control and protective circuit, DC110V grid line grounded inspection circuit and 3kVA single-phase electric devices and exchange illumination and use voltage transformer under device A C380V power distribution circuit, the car on the distribution that low voltage switch box 4 comprises the 110V power supply and protective circuit, the car are finished the low voltage equipment distribution and are provided overload, ground connection etc. to protect and the perforation of DC110V train main line;
3AC330V/DC110V transducer box 5 comprises that a horsepower output is configured to the translation circuit of 6kW, it will be transformed to DC110V voltage from the three-phase alternating current 380V input voltage of low voltage switch box 4, give all DC110V consumer power supplies such as dc lighting, car light, communication and the control system of train, urgent inverter;
DC330V electric power distribution cabinet 6 comprise finish the battery pack power circuit, the DC1500V/DC330V changer is connected with the DC330V grid line, in the anti-diode of setting up defences, stop storage battery directly in parallel; Finish to 1～10# Suspension Control unit, left side and power; Detect the DC330V line insulation, produce the 1#DC330V electric power distribution cabinet 6-1 of grounding alarm signal and finish that car load DC330V grid line is connected, 2#DC330V electric power distribution cabinet 6-2 that the power supply of DC330V/DC110V changer, standby DC/AC inverter power supply, 1～10# Suspension Control unit, right side are powered; Its input end links to each other with the DC330V mouth of DC1500V/DC330V transducer box 2;
Urgent inverter 7 comprises that a vdc that will provide by the vehicle-mounted 110V storage battery of low voltage switch box 4 inputs converts the inverter of 3 cross streams voltages to, and its ac output end links to each other with the ventilating set feeder ear of air-conditioning unit; When because certain reason, when vehicle can't provide normal working power for the air-conditioning unit, the emergency ventilation pattern starts, the vdc that urgent inverter provides vehicle-mounted 110V storage battery converts the ventilating set that 3 cross streams voltages offer the air-conditioning unit to, the vehicle air conditioning unit is moved by emergency ventilation, guarantee to still have certain ventilation volume in the compartment.
Storage battery box and management devices 8 thereof comprise 300V storage battery and management devices 8-1 and 110V storage battery and management devices 8-2 thereof, when the supply unit on the train quits work or during et out of order, for the emergency load on the car provides power supply;
Wherein, 300V storage battery and management devices 8-1 thereof comprise the 300V battery pack and place in each storage battery box and send the temperature collecting cell of alarm message by the CAN bus to network when the system temperature superelevation, this temperature collecting cell also by the CAN bus to information such as network-feedback storage battery SOC, battery tension, charging and discharging currents, temperature value and voltage alarms; The emergency load of 300V storage battery comprises whole suspension controllers, and its input end links to each other with the pair of DC 330V output port of the 1#DC330V electric power distribution cabinet 6-1 of described DC330V electric power distribution cabinet 6;
110V storage battery and management devices 8-2 thereof comprise the 110V battery pack and battery module are carried out temperature detection and passes through the detecting unit of CAN bus to network-feedback measured temperature and warning, its emergency load comprises whole emergency lightings, whole communication facilities (passenger's information of calling out the stops, point-to-train communication), the bus communication network of critical function, emergency ventilation, its input end links to each other with the pair of DC 110V output port of described low voltage switch box 4;
The 300V battery system need satisfy 75kW, 300A requirement 30 seconds discharge times, when the operating temperature of battery pack reached capacity temperature simultaneously, the 300V battery pack on other two compartments can satisfy the capacity requirement (continuing maximum discharge current is 300A) of 150kW, the discharge time 30 seconds of permutation car.
The 110V battery system need satisfy 1.81kW, 10A requirement 15 minutes discharge times; One group of 110V accumulator failure cuts off when occurring wherein on the magnetic-levitation train of three joint marshallings, when the operating temperature of battery pack reached capacity temperature simultaneously, the 110V battery pack on other two compartments can satisfy the capacity requirement of 5.43KW, the discharge time 15 minutes of permutation car.
It is integrated high pressure isolation, HVDC conversion, auxiliary inversion, low-voltage distribution, friendship are directly changed, HVDC distribution, urgent inversion, 330V and 110V battery pack and management function thereof, can provide stable, safe and reliable auxiliary electric power supply for the low-speed maglev train auxiliary power unit (APU).
Description of drawings
Fig. 1 is the utility model circuit structure functional block diagram;
Fig. 2 is the utility model electrical principle block diagram;
Fig. 3 is a 1#DC330V electric power distribution cabinet circuit structure functional block diagram;
Fig. 4 is a 2#DC330V electric power distribution cabinet circuit structure functional block diagram.
The specific embodiment
Shown in Fig. 1-4, a kind of low-speed maglev train auxiliary power unit (APU), it comprises high voltage isolator case 1, DC1500V/DC330V transducer box 2, three-phase subordinate inverter case 3, low voltage switch box 4,3AC330V/DC110V transducer box 5, DC330V electric power distribution cabinet 6, urgent inverter 7,330V and 110V battery pack and management circuit 8 thereof, wherein
High voltage isolator case 1 one ends link to each other with the 1500V dc power output end of vehicle high pressure distribution box with protectors, after internal insulation and protective circuit, be divided into three tunnel outputs, the first via is through delivering to the High-Voltage Electrical Appliances cabinet of traction system behind the disconnector, the second the tunnel through delivering to DC1500V/DC330V transducer box 2 behind disconnector and the fuse, delivers to three-phase subordinate inverter case 3 behind Third Road process disconnector and the fuse; It is the isolation and the protection of the high voltage input terminal of SIV and suspended power supply;
DC1500V/DC330V transducer box 2 will be transformed to DC330V voltage from the DC1500V input voltage of high voltage isolator case 1, output to train suspension controller, VVVF blower fan and reactor blower fan backup power respectively power supply is provided, be the 300V battery charging simultaneously, horsepower output is configured to 60kW;
Three-phase subordinate inverter case 3 three-phase subordinate inverter casees 3 comprise that the amount of exports constant volume is configured to the main DC/AC inverter 3-1 of 60kVA and the standby DC/AC inverter 3-2 that the amount of exports constant volume is configured to 2kVA;
Main DC/AC inverter 3-1 comprises that one is the inverter circuit of three-phase alternating current 3 * 380V/50Hz power supply with the DC1500V power inverter, and its power supply output is bought car in installments and carried alternating current equipment: air conditioner, Air compressor, VVVF ventilating set, electric heater, single-phase AC220V make things convenient for the socket load and exchange the lighting load electricity consumption; Standby DC/AC inverter 3-2 comprises that one is the inverter circuit of three-phase alternating current 3 * 380V/50Hz power supply with the DC330V power inverter, when main DC/AC inverter et out of order, VVVF ventilating set, reactor blower fan will be automatically switched to standby DC/AC inverter and be powered;
Equipment AC380V power distribution, control and protective circuit, DC110V grid line grounded inspection circuit and 3kVA single-phase electric devices and exchange illumination and use voltage transformer under device A C380V power distribution circuit, the car on the distribution that low voltage switch box 4 comprises the 110V power supply and protective circuit, the car are finished the low voltage equipment distribution and are provided overload, ground connection etc. to protect and the perforation of DC110V train main line;
3AC330V/DC110V transducer box 5 comprises that a horsepower output is configured to the translation circuit of 6kW, it will be transformed to DC110V voltage from the three-phase alternating current 380V input voltage of low voltage switch box 4, give all DC110V consumer power supplies such as dc lighting, car light, communication and the control system of train, urgent inverter;
DC330V electric power distribution cabinet 6 comprise finish the battery pack power circuit, the DC1500V/DC330V changer is connected with the DC330V grid line, in the anti-diode of setting up defences, stop storage battery directly in parallel; Finish to 1～10# Suspension Control unit, left side and power; Detect the DC330V line insulation, produce the 1#DC330V electric power distribution cabinet 6-1 of grounding alarm signal and finish that car load DC330V grid line is connected, 2#DC330V electric power distribution cabinet 6-2 that the power supply of DC330V/DC110V changer, standby DC/AC inverter power supply, 1～10# Suspension Control unit, right side are powered; Its input end links to each other with the DC330V mouth of DC1500V/DC330V transducer box 2;
Urgent inverter 7 comprises that a vdc that will provide by the vehicle-mounted 110V storage battery of low voltage switch box 4 inputs converts the inverter of 3 cross streams voltages to, and its ac output end links to each other with the ventilating set feeder ear of air-conditioning unit; When because certain reason, when vehicle can't provide normal working power for the air-conditioning unit, the emergency ventilation pattern starts, the vdc that urgent inverter provides vehicle-mounted 110V storage battery converts the ventilating set that 3 cross streams voltages offer the air-conditioning unit to, the vehicle air conditioning unit is moved by emergency ventilation, guarantee to still have certain ventilation volume in the compartment.
Storage battery box and management devices 8 thereof comprise 300V storage battery and management devices 8-1 and 110V storage battery and management devices 8-2 thereof, when the supply unit on the train quits work or during et out of order, for the emergency load on the car provides power supply;
Wherein, 300V storage battery and management devices 8-1 thereof comprise the 300V battery pack and place in each storage battery box and send the temperature collecting cell of alarm message by the CAN bus to network when the system temperature superelevation, this temperature collecting cell also by the CAN bus to information such as network-feedback storage battery SOC, battery tension, charging and discharging currents, temperature value and voltage alarms; The emergency load of 300V storage battery comprises whole suspension controllers, and its input end links to each other with the pair of DC 330V output port of the 1#DC330V electric power distribution cabinet 6-1 of described DC330V electric power distribution cabinet 6;
110V storage battery and management devices 8-2 thereof comprise the 110V battery pack and battery module are carried out temperature detection and passes through the detecting unit of CAN bus to network-feedback measured temperature and warning, its emergency load comprises whole emergency lightings, whole communication facilities (passenger's information of calling out the stops, point-to-train communication), the bus communication network of critical function, emergency ventilation, its input end links to each other with the pair of DC 110V output port of described low voltage switch box 4;
The 300V battery system need satisfy 75kW, 300A requirement 30 seconds discharge times, when the operating temperature of battery pack reached capacity temperature simultaneously, the 300V battery pack on other two compartments can satisfy the capacity requirement (continuing maximum discharge current is 300A) of 150kW, the discharge time 30 seconds of permutation car.
The 110V battery system need satisfy 1.81kW, 10A requirement 15 minutes discharge times; One group of 110V accumulator failure cuts off when occurring wherein on the magnetic-levitation train of three joint marshallings, when the operating temperature of battery pack reached capacity temperature simultaneously, the 110V battery pack on other two compartments can satisfy the capacity requirement of 5.43KW, the discharge time 15 minutes of permutation car.
The normal startup: 1) closed storage battery, press driving position 110V storage battery close push button, send 110V storage battery closure signal (this signal is the 110V impulse singla), low voltage switch box makes 110V storage battery connecting system, the controlling of total system.Press driving position 300V storage battery close push button, send 300V storage battery closure signal (this signal is the 110V impulse singla), KM3 closure in the 1#DC330V electric power distribution cabinet, 300V storage battery connecting system.2) press startup on the driving position, send actuation signal (this signal is the 110V level signal) to each equipment.After the DC1500/DC330V changer of ancillary system, DC330/DC110V changer, three-phase subordinate inverter detect actuation signal, carry out self check, start working after system is normal.
Claims (4)
1, a kind of low-speed maglev train auxiliary power unit (APU), it comprises high voltage isolator case (1), DC1500V/DC330V transducer box (2), three-phase subordinate inverter case (3), low voltage switch box (4), 3AC330V/DC110V transducer box (5), DC330V electric power distribution cabinet (6), urgent inverter (7), 330V and 110V battery pack and management circuit (8) thereof, it is characterized in that:
Described high voltage isolator case (1) one end links to each other with the 1500V dc power output end of vehicle high pressure distribution box with protectors, after internal insulation and protective circuit, be divided into three tunnel outputs, the first via is through delivering to the High-Voltage Electrical Appliances cabinet of traction system behind the disconnector, the second the tunnel through delivering to DC1500V/DC330V transducer box (2) behind disconnector and the fuse, delivers to three-phase subordinate inverter case (3) behind Third Road process disconnector and the fuse; It is the isolation and the protection of the high voltage input terminal of SIV and suspended power supply;
Described DC1500V/DC330V transducer box (2) will be transformed to DC330V voltage from the DC1500V input voltage of high voltage isolator case (1), output to train suspension controller, VVVF blower fan and reactor blower fan backup power respectively power supply is provided, be the 300V battery charging simultaneously, horsepower output is configured to 60kW;
Described three-phase subordinate inverter case (3) comprises main DC/AC inverter (3-1) and standby DC/AC inverter (3-2);
Equipment AC380V power distribution, control and protective circuit, DC110V grid line grounded inspection circuit and 3kVA single-phase electric devices and exchange illumination and use voltage transformer under device A C380V power distribution circuit, the car on the distribution that described low voltage switch box (4) comprises the 110V power supply and protective circuit, the car are finished the low voltage equipment distribution and are provided overload, ground connection etc. to protect and the perforation of DC110V train main line;
Described 3AC330V/DC110V transducer box (5) comprises a voltage conversion circuit, and it will be transformed to DC110V voltage from the three-phase alternating current 380V input voltage of low voltage switch box (4), gives the power supply of DC110V consumer;
Described DC330V electric power distribution cabinet (6) input end links to each other with the DC330V mouth of DC1500V/DC330V transducer box (2), comprises 1#DC330V electric power distribution cabinet (6-1) and 2#DC330V electric power distribution cabinet (6-2);
Described urgent inverter (7) comprises that a vdc that will provide by the vehicle-mounted 110V storage battery of low voltage switch box (4) input converts the inverter of (3) cross streams voltage to, and its ac output end links to each other with the ventilating set feeder ear of air-conditioning unit;
Described storage battery box and management devices thereof (8) comprise 300V storage battery and management devices (8-1) and 110V storage battery and management devices (8-2) thereof, when the supply unit on the train quits work or during et out of order, for the emergency load on the car provides power supply.
2, a kind of low-speed maglev train auxiliary power unit (APU) as claimed in claim 1, the main DC/AC inverter (3-1) that it is characterized in that described three-phase subordinate inverter case (3) comprises that one is the inverter circuit of three-phase alternating current 3 * 380V/50Hz power supply with the DC1500V power inverter, and its power supply output is bought car in installments and carried alternating current equipment load electricity consumption; Standby DC/AC inverter (3-2) comprises that one is the inverter circuit of three-phase alternating current 3 * 380V/50Hz power supply with the DC330V power inverter, when main DC/AC inverter et out of order, VVVF ventilating set, reactor blower fan will be automatically switched to standby DC/AC inverter and be powered.
3, a kind of low-speed maglev train auxiliary power unit (APU) as claimed in claim 1, it is characterized in that the 300V storage battery of described storage battery box and management devices thereof (8) and management devices (8-1) comprises the 300V battery pack and place and send the temperature collecting cell of alarm message by the CAN bus to network when system's superelevation in each storage battery box, this temperature collecting cell also by the CAN bus to information such as network-feedback storage battery SOC, battery tension, charging and discharging currents, temperature value and voltage alarms; The emergency load of 300V storage battery comprises whole suspension controllers, and its input end links to each other with the pair of DC 330V output port of the 1#DC330V electric power distribution cabinet (6-1) of described DC330V electric power distribution cabinet (6).
4, a kind of low-speed maglev train auxiliary power unit (APU) as claimed in claim 1, the 110V storage battery and the management devices (8-2) thereof that it is characterized in that described storage battery box and management devices thereof (8) comprise the 110V battery pack and battery module are carried out temperature detection also by the detecting unit of CAN bus to network-feedback measured temperature and warning that its input end links to each other with the pair of DC 110V output port of described low voltage switch box (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200653840U CN201109373Y (en) | 2007-12-11 | 2007-12-11 | Auxiliary power unit of slow run magnetic suspension train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200653840U CN201109373Y (en) | 2007-12-11 | 2007-12-11 | Auxiliary power unit of slow run magnetic suspension train |
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| CN201109373Y true CN201109373Y (en) | 2008-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200653840U Expired - Lifetime CN201109373Y (en) | 2007-12-11 | 2007-12-11 | Auxiliary power unit of slow run magnetic suspension train |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069726A (en) * | 2010-11-25 | 2011-05-25 | 北京控股磁悬浮技术发展有限公司 | Vehicle-mounted power system for low and medium-speed maglev train |
| CN103042945A (en) * | 2012-12-24 | 2013-04-17 | 唐山轨道客车有限责任公司 | Maglev train power system |
| CN103935246A (en) * | 2014-02-28 | 2014-07-23 | 青岛四方车辆研究所有限公司 | Auxiliary power supply system for motor train unit and fault load reducing method |
| CN106877725A (en) * | 2017-03-27 | 2017-06-20 | 湘潭市恒创电气设备有限公司 | A kind of city rail vehicle power inverter for air conditioner |
| CN107878228A (en) * | 2017-10-26 | 2018-04-06 | 北京北交新能科技有限公司 | The new auxiliary power supply system and method for a kind of emergent traveling of achievable EMUs |
| CN109130957A (en) * | 2018-08-30 | 2019-01-04 | 中车大连机车车辆有限公司 | Magnetic-levitation train power-supply system and magnetic-levitation train |
| CN110224158A (en) * | 2019-05-14 | 2019-09-10 | 中车青岛四方机车车辆股份有限公司 | A kind of high-speed maglev train supplying cell and power supply system |
| CN110406387A (en) * | 2019-07-15 | 2019-11-05 | 中铁磁浮交通投资建设有限公司 | A kind of floating tourism Rail transit train system of magnetic |
| CN110549862A (en) * | 2019-07-15 | 2019-12-10 | 中铁磁浮交通投资建设有限公司 | Small-size magnetic levitation track traffic system |
| WO2020077692A1 (en) * | 2018-10-19 | 2020-04-23 | 中车唐山机车车辆有限公司 | Maglev train and traction control method and system therefor |
| WO2020077688A1 (en) * | 2018-10-19 | 2020-04-23 | 中车唐山机车车辆有限公司 | Magnetic levitation train and traction control method therefor |
| CN112583273A (en) * | 2020-07-01 | 2021-03-30 | 株洲中车时代电气股份有限公司 | Double-output power supply for magnetic suspension vehicle and control method thereof |
| US11916215B2 (en) | 2019-05-14 | 2024-02-27 | Crrc Qingdao Sifang Co., Ltd. | Power supply battery and power supply system for high-speed maglev trains |
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2007
- 2007-12-11 CN CNU2007200653840U patent/CN201109373Y/en not_active Expired - Lifetime
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069726B (en) * | 2010-11-25 | 2012-11-28 | 北京控股磁悬浮技术发展有限公司 | Vehicle-mounted power system for low and medium-speed maglev train |
| CN102069726A (en) * | 2010-11-25 | 2011-05-25 | 北京控股磁悬浮技术发展有限公司 | Vehicle-mounted power system for low and medium-speed maglev train |
| CN103042945A (en) * | 2012-12-24 | 2013-04-17 | 唐山轨道客车有限责任公司 | Maglev train power system |
| CN103042945B (en) * | 2012-12-24 | 2015-11-25 | 唐山轨道客车有限责任公司 | Maglev train power system |
| CN103935246A (en) * | 2014-02-28 | 2014-07-23 | 青岛四方车辆研究所有限公司 | Auxiliary power supply system for motor train unit and fault load reducing method |
| CN103935246B (en) * | 2014-02-28 | 2015-12-02 | 青岛四方车辆研究所有限公司 | Motor train unit auxiliary power supply system and fault off-load method |
| CN106877725A (en) * | 2017-03-27 | 2017-06-20 | 湘潭市恒创电气设备有限公司 | A kind of city rail vehicle power inverter for air conditioner |
| CN107878228B (en) * | 2017-10-26 | 2023-10-03 | 北京北交新能科技有限公司 | Novel auxiliary power supply system and method capable of realizing emergency running of motor train unit |
| CN107878228A (en) * | 2017-10-26 | 2018-04-06 | 北京北交新能科技有限公司 | The new auxiliary power supply system and method for a kind of emergent traveling of achievable EMUs |
| CN109130957A (en) * | 2018-08-30 | 2019-01-04 | 中车大连机车车辆有限公司 | Magnetic-levitation train power-supply system and magnetic-levitation train |
| WO2020077692A1 (en) * | 2018-10-19 | 2020-04-23 | 中车唐山机车车辆有限公司 | Maglev train and traction control method and system therefor |
| WO2020077688A1 (en) * | 2018-10-19 | 2020-04-23 | 中车唐山机车车辆有限公司 | Magnetic levitation train and traction control method therefor |
| CN111071057A (en) * | 2018-10-19 | 2020-04-28 | 中车唐山机车车辆有限公司 | Magnetic suspension train and traction control method and system thereof |
| CN111071057B (en) * | 2018-10-19 | 2021-05-04 | 中车唐山机车车辆有限公司 | Magnetic suspension train and traction control method and system thereof |
| CN110224158A (en) * | 2019-05-14 | 2019-09-10 | 中车青岛四方机车车辆股份有限公司 | A kind of high-speed maglev train supplying cell and power supply system |
| US11916215B2 (en) | 2019-05-14 | 2024-02-27 | Crrc Qingdao Sifang Co., Ltd. | Power supply battery and power supply system for high-speed maglev trains |
| CN110406387A (en) * | 2019-07-15 | 2019-11-05 | 中铁磁浮交通投资建设有限公司 | A kind of floating tourism Rail transit train system of magnetic |
| CN110549862A (en) * | 2019-07-15 | 2019-12-10 | 中铁磁浮交通投资建设有限公司 | Small-size magnetic levitation track traffic system |
| CN112583273A (en) * | 2020-07-01 | 2021-03-30 | 株洲中车时代电气股份有限公司 | Double-output power supply for magnetic suspension vehicle and control method thereof |
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