WO2014206081A1 - Traction system for motor train unit powered by energy storage device - Google Patents

Traction system for motor train unit powered by energy storage device Download PDF

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Publication number
WO2014206081A1
WO2014206081A1 PCT/CN2014/071322 CN2014071322W WO2014206081A1 WO 2014206081 A1 WO2014206081 A1 WO 2014206081A1 CN 2014071322 W CN2014071322 W CN 2014071322W WO 2014206081 A1 WO2014206081 A1 WO 2014206081A1
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WIPO (PCT)
Prior art keywords
traction
energy storage
storage device
output
interface
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PCT/CN2014/071322
Other languages
French (fr)
Chinese (zh)
Inventor
赵明花
李军
王成涛
荀玉涛
李雪飞
韩伟
况阳
哈大雷
解枫
周勇志
马昭钰
翟黎渊
刘俊明
万争
田伟
翟丽佳
王颖超
蒋英智
张金龙
金鑫
Original Assignee
长春轨道客车股份有限公司
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Publication of WO2014206081A1 publication Critical patent/WO2014206081A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
    • B61C17/06—Power storing devices
    • 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
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/007—Physical arrangements or structures of drive train converters specially adapted for the propulsion motors of electric 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/51—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
    • 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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
    • B60L53/24—Using the vehicle's propulsion converter for charging
    • 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
    • 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
    • B60L2210/00—Converter types
    • B60L2210/10—DC to DC converters
    • 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
    • B60L2210/00—Converter types
    • B60L2210/30—AC to DC converters
    • 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
    • B60L2210/00—Converter types
    • B60L2210/40—DC to AC converters
    • 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
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/40—Electrical machine applications
    • B60L2220/42—Electrical machine applications with use of more than one motor
    • 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
    • Y02T10/64—Electric machine technologies 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
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • 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
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
    • 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
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Definitions

  • the present invention relates to an EMU traction system, and more particularly to an EMU electric traction system that is powered by an energy storage device.
  • the traction system is the core of the EMU transmission system, shouldering the task of providing driving power for the train.
  • the traditional EMU traction system is mainly a single electric traction, which adopts the contact network power supply mode and can only run on the electrified railway. Or traction for a single diesel locomotive, running on a non-electrified railway, and according to China’s railway planning, At the end of 2012, China's electrified railways accounted for 53% of the national railway lines. According to the Medium and Long-term Railway Network Plan, it is estimated that in 2020, electrified railways will account for 60% of the national railway lines. Non-electrified railways will still occupy a large proportion in the long run. All single electric traction EMUs are not able to operate on non-electrified railways, and when an electrified section fails or the vehicle's own high voltage system fails, a single electric traction EMU will be affected.
  • the traditional centralized power supply train adopts the method of centralized power supply and traction of the thermal power source, that is, the diesel locomotive.
  • the thermal power source that is, the diesel locomotive.
  • the braking energy is mainly consumed by the braking resistor, resulting in huge waste of energy.
  • the present invention provides an EMU traction system powered by an energy storage device, characterized in that: It mainly includes an energy storage device, a traction converter and a traction motor.
  • the energy storage device is directly connected to the traction converter, and the traction converter is connected with the traction motor.
  • Traction converter includes energy storage device interface, pre-charging device, four-quadrant rectifier, intermediate DC link, traction inverter, bidirectional DC/DC Chopper, overvoltage suppression circuit, traction motor interface and auxiliary converter interface
  • the energy storage device interface is connected to the bidirectional DC/DC chopper, and is connected in parallel to the DC bus of the output of the four-quadrant rectifier, and the intermediate DC link is connected in parallel to the output of the four-quadrant rectifier.
  • an output of the four-quadrant rectifier is connected to an input end of the traction inverter, an output of the traction inverter is used for interfacing with the traction motor, and the overvoltage suppression circuit is connected in parallel
  • the output of the four-quadrant rectifier is on the DC bus, and the auxiliary converter interface is connected in parallel to the DC bus of the output of the four-quadrant rectifier
  • the precharge device is disposed on a circuit between the energy storage device interface and the DC/DC chopper.
  • the pre-charging device includes a main contactor, a pre-charging contactor, and a pre-charging resistor; the main contactor is for controlling the on-off of the main circuit, and the pre-charging contactor is for controlling the pre-charging device to pre-charge the supporting capacitor.
  • the bidirectional DC/DC chopper comprises two IGBT power devices and a reactor, the two IGBT power devices being connected to a reactor.
  • the braking energy is absorbed by the energy storage device, which realizes the recycling of energy and embodies the energy saving concept.
  • the EMU not only has the operational capability of non-electrified sections, but also has emergency rescue and combat readiness functions in special rain or snow weather or contact network damage, and can also be used as a mobile power source.
  • FIG. 1 is a schematic diagram of a main circuit according to an embodiment of the present invention.
  • Figure 2 is a block diagram of the composition of the traction converter
  • Figure 3 is a schematic diagram of the main circuit of the traction converter.
  • an embodiment of the present invention mainly includes an energy storage device, a traction converter, and a traction motor, and the energy storage device directly and the traction converter The devices are connected and the traction converter is connected to the traction motor.
  • the energy storage device interface 3 is connected to the bidirectional DC/DC chopper 8 and is connected in parallel to the DC bus of the output of the four-quadrant rectifier 5, and the intermediate DC link 6 is connected in parallel to the DC bus of the output of the four-quadrant rectifier 5, the four-quadrant rectifier
  • the output of the traction inverter 7 is connected to the output of the traction inverter 7 , and the output of the traction inverter 7 is connected to the traction motor interface 1 of the EMU for powering the traction motor interface 1 and the EMU through the traction motor interface 1 Provide power.
  • the intermediate DC link 6 may include a supporting capacitor C1 and a capacitor discharging resistor Rc1.
  • the supporting capacitor C1 has a filtering effect on the output end of the four-quadrant rectifier 5, and can stabilize the DC voltage at the output of the four-quadrant rectifier 5.
  • the energy storage device interface 3 can be connected to a battery or a super capacitor, or to other energy storage components such as a flywheel or a fuel cell.
  • the overvoltage suppression circuit 9 is connected in parallel to the DC bus of the output of the four-quadrant rectifier 5.
  • the overvoltage suppression circuit 9 includes an IGBT power device IV7 and an energy absorbing resistor Rov connected in series, and the overvoltage suppression circuit 9 is used to absorb the DC link 6 Instantaneous voltage spikes to ensure the safety of IGBT power devices in the circuit.
  • the auxiliary converter interface 2 is connected in parallel to the DC bus of the output of the four-quadrant rectifier 5, and supplies power to the auxiliary converter interface 2 via the intermediate DC link 6, which is used to supply power to the auxiliary load of the EMU.
  • the charging device 4 is disposed at the energy storage device interface 3 On the circuit between the bidirectional DC/DC chopper 8; the pre-charging device 4 comprises a main contactor K4, a pre-charging contactor K3 and a pre-charging resistor R3.
  • the main contactor LK3 is used to control the on/off of the main circuit, and the pre-charge contactor K3 controls The pre-charging resistor R3 pre-charges the supporting capacitor C1.
  • the precharge contactor K3 is first closed, and the intermediate support capacitor C1 is charged with the anti-parallel diodes of the precharge resistor R3, the reactor L1 and the IGNT power device BV1.
  • the main contact K4 is closed, the pre-charging contactor K3 is turned off, and then the DC/DC chopper 8 is activated bidirectionally.
  • the four-quadrant rectifier 5 includes eight IGBTs (Insulated Gate Bipolar) Transistor, insulated gate bipolar transistor) power device, specifically IGBT power device CV1-CV8, rectifier 5 is used to implement AC/DC (AC) conversion.
  • IGBTs Insulated Gate Bipolar
  • CV1-CV8 Insulated gate bipolar transistor
  • the traction inverter 7 can comprise six IGBT power devices IV1-IV6, which are converted to a voltage and frequency adjustable three-phase alternating current by DC/AC (DC/AC) conversion for driving parallel traction Motor interface 1, to provide power for the EMU.
  • the traction inverter 7 can adopt high-performance motor control algorithm. On the basis of accurate flux linkage observation, accurate torque control can be performed on the traction motor interface 1 to ensure good acceleration and deceleration performance and stable and reliable operation of the EMU.
  • multi-mode modulation algorithms can be employed to take full advantage of DC voltage and reduce power device losses and noise.
  • the bidirectional DC/DC chopper 8 comprises two IGBT power devices BV1, BV2 and a reactor L1.
  • the two IGBT power devices BV1 and BV2 are connected and connected to the reactor L1.
  • the charging and discharging control of the energy storage device is realized by different switching modes, specifically: in the power package power supply mode, when the vehicle is in the traction state, if the power package power is insufficient, the energy storage device interface 3 passes through the bidirectional DC/DC chopper 8 Boost control is performed to output traction energy to compensate for insufficient power of the power pack; when the vehicle is in a braking state, the bidirectional DC/DC chopper 8 is stepped down to charge the energy storage device to absorb the brake Energy to achieve energy recycling.
  • the bi-directional DC/DC chopper is used to discharge the energy storage device to meet the requirements of train operation and obtain the best acceleration performance.
  • the braking energy is all fed back to the energy storage device to achieve energy efficient utilization and energy saving.

Abstract

Disclosed is a traction system for a motor train unit powered by an energy storage device, which system comprises an energy storage device, a traction convertor and a traction motor, wherein the energy storage device is directly connected to the traction convertor; and the traction convertor is connected to the traction motor. The cyclic utilization of energy is realized, and the design costs are reduced. The motor train unit not only has the operation capability in a non-electrified section of railway and has the functions of emergency rescue and combat readiness in special rainy and snowy weathers or in the condition where an overhead contact system is damaged, but also can be used as a mobile power supply.

Description

一种储能装置供电的动车组牵引系统 EMU traction system powered by energy storage device
技术领域 Technical field
本发明涉及动车组牵引系统，尤其涉及一种 接储能装置 供电的动车组电力牵引系统。 The present invention relates to an EMU traction system, and more particularly to an EMU electric traction system that is powered by an energy storage device.
背景技术 Background technique
牵引系统是动车组传动系统的核心，肩负着为列车提供行驶动力的任务。传统的动车组牵引系统主要为单一的电力牵引，采用接触网供电模式，只能运行在电气化铁路上。或者为单一的内燃机车牵引，运行在非电气化铁路上，而根据我国铁路规划，截至 2012 年底，我国电气化铁路占全国铁路线路的 53% ；根据《中长期铁路网规划》，预计 2020 年，电气化铁路将占全国铁路线路的 60% ，非电气化铁路仍将长期占有很大比例。所有单一电力牵引的动车组无法满足在非电气化铁路上运行，并且在电气化路段发生故障或者车辆本身高压系统发生故障时，单一电力牵引的动车组将受到影响。 The traction system is the core of the EMU transmission system, shouldering the task of providing driving power for the train. The traditional EMU traction system is mainly a single electric traction, which adopts the contact network power supply mode and can only run on the electrified railway. Or traction for a single diesel locomotive, running on a non-electrified railway, and according to China’s railway planning, At the end of 2012, China's electrified railways accounted for 53% of the national railway lines. According to the Medium and Long-term Railway Network Plan, it is estimated that in 2020, electrified railways will account for 60% of the national railway lines. Non-electrified railways will still occupy a large proportion in the long run. All single electric traction EMUs are not able to operate on non-electrified railways, and when an electrified section fails or the vehicle's own high voltage system fails, a single electric traction EMU will be affected.
另外，在目前非电气化路段，传统集中供电的列车采用热动力源即内燃机车集中供电牵引的方式，在制动过程中，制动能量主要通过制动电阻的方式消耗，造成能源的巨大浪费。 In addition, in the current non-electrified sections, the traditional centralized power supply train adopts the method of centralized power supply and traction of the thermal power source, that is, the diesel locomotive. During the braking process, the braking energy is mainly consumed by the braking resistor, resulting in huge waste of energy.
发明内容 Summary of the invention
本发明的目的是提供一种由储能装置 供电的动车组牵引系统， 在无接触网的情况下能正常运行的同时，实现能量的循环利用，且无任何污染，还能够为传统动车组提供应急救援、以及具有战备等作用。 It is an object of the present invention to provide an EMU traction system powered by an energy storage device, In the case of contactless network, it can operate normally, realize energy recycling, and without any pollution. It can also provide emergency rescue for traditional EMUs and have combat readiness.
为实现上述目的，本发明提供一种储能装置 供电的动车组牵引系统，其特征在于： 主要包括储能装置、牵引变流器、牵引电机，储能装置直接与牵引变流器相连，牵引变流器与牵引电机连接。 To achieve the above object, the present invention provides an EMU traction system powered by an energy storage device, characterized in that: It mainly includes an energy storage device, a traction converter and a traction motor. The energy storage device is directly connected to the traction converter, and the traction converter is connected with the traction motor.
牵引变流器包括 储能装置接口、 预充电装置、四象限整流器、 中间直流环节 、牵引逆变器、双向 DC/DC 斩波器、过压抑制电路、牵引电机接口和辅助变流器接口 ，所述储能装置接口与所述双向DC/DC斩波器连接，且并联在所述四象限整流器的输出端直流母线上，所述中间直流环节并联在所述四象限整流器的输出端直流母线上，所述四象限整流器的输出端与所述牵引逆变器的输入端连接，所述牵引逆变器的输出端用于与所述牵引电机接口连接，所述过压抑制电路并联在所述四象限整流器的输出端直流母线上，所述辅助变流器接口并联在所述四象限整流器的输出端直流母线 上，所述预充电装置设置在所述储能装置接口与所述DC/DC斩波器之间的电路上。 Traction converter includes energy storage device interface, pre-charging device, four-quadrant rectifier, intermediate DC link, traction inverter, bidirectional DC/DC Chopper, overvoltage suppression circuit, traction motor interface and auxiliary converter interface The energy storage device interface is connected to the bidirectional DC/DC chopper, and is connected in parallel to the DC bus of the output of the four-quadrant rectifier, and the intermediate DC link is connected in parallel to the output of the four-quadrant rectifier. a bus line, an output of the four-quadrant rectifier is connected to an input end of the traction inverter, an output of the traction inverter is used for interfacing with the traction motor, and the overvoltage suppression circuit is connected in parallel The output of the four-quadrant rectifier is on the DC bus, and the auxiliary converter interface is connected in parallel to the DC bus of the output of the four-quadrant rectifier The precharge device is disposed on a circuit between the energy storage device interface and the DC/DC chopper.
预充电装置包括主接触器、预充电接触器和预充电电阻；所述主接触器用于控制主电路的通断，所述预充电接触器用于控制预充电装置向所述支撑电容预充电。 The pre-charging device includes a main contactor, a pre-charging contactor, and a pre-charging resistor; the main contactor is for controlling the on-off of the main circuit, and the pre-charging contactor is for controlling the pre-charging device to pre-charge the supporting capacitor.
所述双向DC/DC斩波器包括两个IGBT功率器件和一个电抗器，所述两个IGBT功率器件连接后与电抗器连接。 The bidirectional DC/DC chopper comprises two IGBT power devices and a reactor, the two IGBT power devices being connected to a reactor.
本发明与现有技术相比所具有的有益效果： The invention has the beneficial effects compared with the prior art:
1 ）采用新能源的牵引系统。 1) Adopt a new energy traction system.
2 ）绿色环保，实现'零'排放。 2) Green and environmentally friendly, achieving 'zero' emissions.
3 ）制动能量通过储能装置进行吸收，实现了能量的循环利用，体现节能理念。 3) The braking energy is absorbed by the energy storage device, which realizes the recycling of energy and embodies the energy saving concept.
4 ）采用与既有动车组一致的结构方式，大大减少了设计成本。 4) Adopting the structure that is consistent with the existing EMUs greatly reduces the design cost.
5 ）由于采用了储能装置，该动车组不仅具有非电气化路段的运行能力，在特殊的雨雪天气或接触网受损时有应急救援和战备功能，还可以作为移动电源使用。 5 Due to the use of energy storage devices, the EMU not only has the operational capability of non-electrified sections, but also has emergency rescue and combat readiness functions in special rain or snow weather or contact network damage, and can also be used as a mobile power source.
附图说明 DRAWINGS
图1为本发明实施方式主电路原理图； 1 is a schematic diagram of a main circuit according to an embodiment of the present invention;
图2为牵引变流器组成框图； Figure 2 is a block diagram of the composition of the traction converter;
图3为牵引变流器主电路原理图。 Figure 3 is a schematic diagram of the main circuit of the traction converter.
具体实施方式 detailed description
参照图1，本发明实施方式主要包括储能装置、牵引变流器、牵引电机， 储能装置直接与牵引变流 器相连，牵引变流器与牵引电机连接。 Referring to FIG. 1 , an embodiment of the present invention mainly includes an energy storage device, a traction converter, and a traction motor, and the energy storage device directly and the traction converter The devices are connected and the traction converter is connected to the traction motor.
参照图2、图3， 1. 牵引电机接口2.辅助变流器接口3.储能装置接口4.预充电装置5.四象限整流器6.中间直流环节7.牵引逆变器8.双向DC/DC斩波器9.过压抑制电路 Refer to Figure 2, Figure 3, 1. Traction motor interface 2. Auxiliary converter interface 3. Energy storage device interface 4. Pre-charging device 5. Four-quadrant rectifier 6. Intermediate DC link 7. Traction inverter 8. Bidirectional DC/DC chopper 9. Overvoltage Suppression circuit
储能装置接口3与双向DC/DC斩波器8连接，且并联在四象限整流器5的输出端直流母线上，中间直流环节6并联在四象限整流器5的输出端直流母线上，四象限整流器5的输出端与牵引逆变器7的输出端连接，牵引逆变器7的输出端用于与动车组的牵引电机接口1连接，为牵引电机接口1供电，通过牵引电机接口1为动车组提供动力。中间直流环节6可以包括支撑电容C1和电容放电电阻Rc1,支撑电容C1对四象限整流器5的输出端具有滤波作用，能够稳定四象限整流器5输出端的直流电压。储能装置接口3可以与蓄电池或超级电容连接，也可以与飞轮或燃料电池等其他储能元件连接。过压抑制电路9并联在四象限整流器5的输出端直流母线上的，过压抑制电路9包括串联的IGBT功率器件IV7和能量吸收电阻Rov，过压抑制电路9用于吸收直流环节6中的瞬时电压尖峰，以保证电路中IGBT功率器件的安全。辅助变流器接口2并联在四象限整流器5的输出端直流母线上，通过中间直流环节6为辅助变流器接口2供电，辅助变流器接口2用于向动车组的辅助负载供电。充电装置4设置在储能装置接口3与 双向DC/DC斩波器 8 之间的电路上；预充电装置4包括主接触器K4、预充电接触器K3和预充电电阻R3。 The energy storage device interface 3 is connected to the bidirectional DC/DC chopper 8 and is connected in parallel to the DC bus of the output of the four-quadrant rectifier 5, and the intermediate DC link 6 is connected in parallel to the DC bus of the output of the four-quadrant rectifier 5, the four-quadrant rectifier The output of the traction inverter 7 is connected to the output of the traction inverter 7 , and the output of the traction inverter 7 is connected to the traction motor interface 1 of the EMU for powering the traction motor interface 1 and the EMU through the traction motor interface 1 Provide power. The intermediate DC link 6 may include a supporting capacitor C1 and a capacitor discharging resistor Rc1. The supporting capacitor C1 has a filtering effect on the output end of the four-quadrant rectifier 5, and can stabilize the DC voltage at the output of the four-quadrant rectifier 5. The energy storage device interface 3 can be connected to a battery or a super capacitor, or to other energy storage components such as a flywheel or a fuel cell. The overvoltage suppression circuit 9 is connected in parallel to the DC bus of the output of the four-quadrant rectifier 5. The overvoltage suppression circuit 9 includes an IGBT power device IV7 and an energy absorbing resistor Rov connected in series, and the overvoltage suppression circuit 9 is used to absorb the DC link 6 Instantaneous voltage spikes to ensure the safety of IGBT power devices in the circuit. The auxiliary converter interface 2 is connected in parallel to the DC bus of the output of the four-quadrant rectifier 5, and supplies power to the auxiliary converter interface 2 via the intermediate DC link 6, which is used to supply power to the auxiliary load of the EMU. The charging device 4 is disposed at the energy storage device interface 3 On the circuit between the bidirectional DC/DC chopper 8; the pre-charging device 4 comprises a main contactor K4, a pre-charging contactor K3 and a pre-charging resistor R3.
主接触器LK3用于控制主电路的通断，预充电接触器K3控制 预充电电阻R3向支撑电容C1预充电。当中间直流环节6的中间直流电压较低时，先闭合预充电接触器K3，同过预充电电阻R3、电抗器L1和IGNT功率器件BV1的反并联二极管对中间支撑电容C1充电。当中间支撑电容C1两端的电压接近储能电池电压后闭合主接触K4、断开预充电接触器K3，然后双向启动DC/DC斩波器8。 The main contactor LK3 is used to control the on/off of the main circuit, and the pre-charge contactor K3 controls The pre-charging resistor R3 pre-charges the supporting capacitor C1. When the intermediate DC voltage of the intermediate DC link 6 is low, the precharge contactor K3 is first closed, and the intermediate support capacitor C1 is charged with the anti-parallel diodes of the precharge resistor R3, the reactor L1 and the IGNT power device BV1. When the voltage across the intermediate supporting capacitor C1 approaches the energy storage battery voltage, the main contact K4 is closed, the pre-charging contactor K3 is turned off, and then the DC/DC chopper 8 is activated bidirectionally.
在本实施例中四象限整流器5包括八个IGBT（Insulated Gate Bipolar Transistor，绝缘栅双极型晶体管）功率器件，具体为IGBT 功率器件CV1-CV8，整流器5用于实现AC/DC（交流直流）变换。 In the present embodiment, the four-quadrant rectifier 5 includes eight IGBTs (Insulated Gate Bipolar) Transistor, insulated gate bipolar transistor) power device, specifically IGBT power device CV1-CV8, rectifier 5 is used to implement AC/DC (AC) conversion.
牵引逆变器7可以包括六个IGBT功率器件IV1-IV6，通过DC/AC（直流/交流）变换，将中间直流电压逆变为电压和频率可调节的三相交流电，用于驱动并联的牵引电机接口 1，为动车组提供动力。牵引逆变器7可以采用高性能电机控制算法，在准确磁链观测的基础上，可以对牵引电机接口1进行精确的转矩控制，以保证动车组良好的加减速性能和运行的平稳可靠；另外，可以采用多模式调制算法，以充分利用直流电压，并降低功率器件损耗，减小噪声。 The traction inverter 7 can comprise six IGBT power devices IV1-IV6, which are converted to a voltage and frequency adjustable three-phase alternating current by DC/AC (DC/AC) conversion for driving parallel traction Motor interface 1, to provide power for the EMU. The traction inverter 7 can adopt high-performance motor control algorithm. On the basis of accurate flux linkage observation, accurate torque control can be performed on the traction motor interface 1 to ensure good acceleration and deceleration performance and stable and reliable operation of the EMU. In addition, multi-mode modulation algorithms can be employed to take full advantage of DC voltage and reduce power device losses and noise.
双向DC/DC斩波器8包括两个IGBT功率器件BV1、BV2和一个电抗器L1。两个IGBT功率器件BV1、BV2连接后与电抗器L1连接。通过不同的开关方式实现对储能装置进行充放电控制，具体为：动力包供电模式下，车辆处于牵引状态时，若动力包功率不足，储能装置接口3通过双向DC/DC斩波器8进行升压控制，以输出牵引能量，以补偿动力包的功率不足；当车辆处于制动状态时，对双向DC/DC斩波器8进行降压控制，对储能装置充电，以吸收制动能量，实现能量循环利用。 The bidirectional DC/DC chopper 8 comprises two IGBT power devices BV1, BV2 and a reactor L1. The two IGBT power devices BV1 and BV2 are connected and connected to the reactor L1. The charging and discharging control of the energy storage device is realized by different switching modes, specifically: in the power package power supply mode, when the vehicle is in the traction state, if the power package power is insufficient, the energy storage device interface 3 passes through the bidirectional DC/DC chopper 8 Boost control is performed to output traction energy to compensate for insufficient power of the power pack; when the vehicle is in a braking state, the bidirectional DC/DC chopper 8 is stepped down to charge the energy storage device to absorb the brake Energy to achieve energy recycling.
工作过程：在牵引工况下，使用双向DC/DC斩波器进行储能装置放电，满足列车运行的需求，获得最佳加速性能。 Working process: Under the traction condition, the bi-directional DC/DC chopper is used to discharge the energy storage device to meet the requirements of train operation and obtain the best acceleration performance.
在制动工况下，制动能量全部回馈储能装置，实现能量高效利用与节能减排。 Under the braking condition, the braking energy is all fed back to the energy storage device to achieve energy efficient utilization and energy saving.

Claims (4)

  1. 一种储能装置 供电的动车组牵引系统，其特征在于： 主要包括储能装置、牵引变流器、牵引电机，储能装置直接与牵引变流器相连，牵引变流器与牵引电机连接。An energy storage device powered by an EMU traction system, characterized in that: It mainly includes an energy storage device, a traction converter and a traction motor. The energy storage device is directly connected to the traction converter, and the traction converter is connected with the traction motor.
  2. 根据权利要求1所述的 一种储能装置 供电的动车组牵引系统，其特征在于： 牵引变流器包括 储能装置接口、 预充电装置、四象限整流器、 中间直流环节 、牵引逆变器、双向 DC/DC 斩波器、过压抑制电路、牵引电机接口和辅助变流器接口 ，所述储能装置接口与所述双向DC/DC斩波器连接，且并联在所述四象限整流器的输出端直流母线上，所述中间直流环节并联在所述四象限整流器的输出端直流母线上，所述四象限整流器的输出端与所述牵引逆变器的输入端连接，所述牵引逆变器的输出端用于与所述牵引电机接口连接，所述过压抑制电路并联在所述四象限整流器的输出端直流母线上，所述辅助变流器接口并联在所述四象限整流器的输出端直流母线 上，所述预充电装置设置在所述储能装置接口与所述DC/DC斩波器之间的电路上。The EMU traction system powered by an energy storage device according to claim 1, wherein: the traction converter comprises an energy storage device interface, Pre-charging device, four-quadrant rectifier, intermediate DC link, traction inverter, bidirectional DC/DC chopper, overvoltage suppression circuit, traction motor interface and auxiliary converter interface The energy storage device interface is connected to the bidirectional DC/DC chopper, and is connected in parallel to the DC bus of the output of the four-quadrant rectifier, and the intermediate DC link is connected in parallel to the output of the four-quadrant rectifier. a bus line, an output of the four-quadrant rectifier is connected to an input end of the traction inverter, an output of the traction inverter is used for interfacing with the traction motor, and the overvoltage suppression circuit is connected in parallel The output of the four-quadrant rectifier is on the DC bus, and the auxiliary converter interface is connected in parallel to the DC bus of the output of the four-quadrant rectifier The precharge device is disposed on a circuit between the energy storage device interface and the DC/DC chopper.
  3. 根据权利要求2所述的 一种储能装置 供电的动车组牵引系统，其特征在于： 预充电装置包括主接触器、预充电接触器和预充电电阻；所述主接触器用于控制主电路的通断，所述预充电接触器用于控制预充电装置向所述支撑电容预充电。The EMU traction system powered by an energy storage device according to claim 2, wherein: The pre-charging device includes a main contactor, a pre-charging contactor, and a pre-charging resistor; the main contactor is for controlling the on-off of the main circuit, and the pre-charging contactor is for controlling the pre-charging device to pre-charge the supporting capacitor.
  4. 根据权利要求2所述的 一种储能装置 供电的动车组牵引系统，其特征在于： 所述双向DC/DC斩波器包括两个IGBT功率器件和一个电抗器，所述两个IGBT功率器件连接后与电抗器连接。The EMU traction system powered by an energy storage device according to claim 2, wherein: The bidirectional DC/DC chopper comprises two IGBT power devices and a reactor, the two IGBT power devices being connected to a reactor.
PCT/CN2014/071322 2013-06-24 2014-01-24 Traction system for motor train unit powered by energy storage device WO2014206081A1 (en)

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