WO2019218523A1 - Circuit côté réseau haute tension de train de moteur dans une unité de train de moteur et procédé de commande associé - Google Patents

Circuit côté réseau haute tension de train de moteur dans une unité de train de moteur et procédé de commande associé Download PDF

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Publication number
WO2019218523A1
WO2019218523A1 PCT/CN2018/102645 CN2018102645W WO2019218523A1 WO 2019218523 A1 WO2019218523 A1 WO 2019218523A1 CN 2018102645 W CN2018102645 W CN 2018102645W WO 2019218523 A1 WO2019218523 A1 WO 2019218523A1
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WO
WIPO (PCT)
Prior art keywords
power
power receiving
command
network side
pantograph
Prior art date
Application number
PCT/CN2018/102645
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English (en)
Chinese (zh)
Inventor
樊运新
李希宁
王位
陈哲
陈娟
刘华
孙达明
Original Assignee
中车株洲电力机车有限公司
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.)
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Application filed by 中车株洲电力机车有限公司 filed Critical 中车株洲电力机车有限公司
Publication of WO2019218523A1 publication Critical patent/WO2019218523A1/fr

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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • 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
    • 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
    • B60M3/04—Arrangements for cutting in and out of individual track sections

Definitions

  • the present application relates to the technical field of rail vehicle power supply, and in particular, to a high voltage network side circuit of a power vehicle in an EMU, a control method thereof, a device and a computer readable storage medium.
  • an EMU In the field of rail transit, an EMU is a group of vehicles that are connected by several power cars and several section trailers. Among them, the power centralized EMU refers to the EMU of the power car in which the power devices are installed at both ends of the train, which has the advantages of convenient maintenance and high safety.
  • a single-powered traction mode is suitable for small passenger traffic scenarios because there is only one power car, and its vehicle structure is “power car + trailer + control car”; and the dual-power vehicle traction mode can be used because it has two power cars.
  • the structure of the train is "power car + trailer + power car”.
  • the high-voltage network side circuit of the power car in the EMU is used to realize the flexible grouping in different modes and the redundancy protection of the circuit, thereby improving the flexibility applicability and safety at the same time, which is urgently needed by those skilled in the art. Solved technical problems.
  • the purpose of the application is to provide a high-voltage network side circuit of a power car in an EMU, a control method thereof, a device and a computer readable storage medium, so as to simultaneously realize flexible grouping in different modes and redundancy protection of the circuit, and at the same time Improve flexibility and security.
  • the present application provides a high-voltage network side circuit of a power vehicle in an EMU, including a plurality of parallel power receiving branches, and a bypass branch for electrically connecting with other power vehicles in the EMU. Road, mode input detection circuit and controller;
  • the power receiving branch includes a main breaker and a pantograph installed between the first end of the main breaker and a contact line of the high voltage power grid; the second ends of each of the main breakers are connected to each other, As an output end of each of the power receiving branches connected in parallel, for connecting with a primary winding of the traction transformer of the power vehicle;
  • the bypass branch includes a high-voltage isolating switch connected to the output end of the power receiving branch at a first end, and the second end of the high-voltage isolating switch serves as a bypass point for use in the driving train
  • the side joints of other power vehicles are connected;
  • the mode input detecting circuit is configured to detect a mode selection instruction input by a user
  • the controller is coupled to the mode input detection circuit and coupled to the main circuit breaker, the pantograph and the high voltage isolation switch, respectively; for selecting a command in the mode to be a dual power vehicle traction mode command And sending a closing command to the high-voltage isolating switch, sending a shutdown command to the high-voltage isolating switch when the mode selection command is a single-power vehicle traction mode command; and controlling any of the power receiving branches to be turned on for outputting power supply .
  • the power receiving branches are two;
  • the controller is specifically configured to:
  • bypass point is specifically used to:
  • the high voltage jumper is connected to the bypass point of other power vehicles in the motor train.
  • pantograph models in each of the power receiving branches are the same.
  • the present application also provides a control method for a high-voltage network side circuit of a power car in an EMU, which is applied to the controller in the high-voltage network side circuit as described above, including:
  • the mode selection instruction includes a dual power vehicle traction mode command or a single power vehicle traction mode command;
  • the power receiving branches are two;
  • the controlling any of the power receiving branches to be closed for outputting power includes:
  • bypass point is specifically used to:
  • the high voltage jumper is connected to the bypass point of other power vehicles in the motor train.
  • pantograph models in each of the power receiving branches are the same.
  • the application also provides a control device for a high-voltage network side circuit of a power car in an EMU, comprising:
  • Memory used to store computer programs
  • Processor The step of executing the computer program to implement the control method of the high voltage grid side circuit of the power car in any of the EMUs as described above.
  • the present application also provides a computer readable storage medium having stored therein a computer program that, when executed by a processor, implements a high voltage of a power car in any of the EMUs as described above The steps of the control method of the network side circuit.
  • the high-voltage network side circuit of the power car in the EMU includes a plurality of parallel power receiving branches, a bypass branch for electrically connecting with other power cars in the EMU, and a mode input detecting circuit. And a controller; wherein the power receiving branch includes a main breaker and a pantograph installed between the first end of the main breaker and a high voltage grid contact line; and the second end of each of the main breakers Connected to each other as an output end of each of the power receiving branches connected in parallel for connection with a primary winding of a traction transformer of the power vehicle; the bypass branch includes a first end and the received power a high-voltage isolating switch connected to the output end of the branch, the second end of the high-voltage isolating switch is used as a bypass point for connecting with the side contact point of other power vehicles in the motor train; the mode input detection a circuit for detecting a mode selection command input by a user; the controller being coupled to the mode input detection circuit and coupled to the main
  • the utility model can flexibly adapt to the single-power traction mode and the dual-power traction mode by controlling the on-off of the bypass branch, so the application can effectively improve the flexible applicability and safety of the circuit at the same time.
  • the method, device and computer readable storage medium for controlling the high-voltage network side circuit of the power car in the EMU provided by the present application are applicable to the above-mentioned high-voltage network side circuit, and have the above beneficial effects.
  • FIG. 1 is a structural diagram of a high-voltage network side circuit of a power car in an EMU provided by the present application;
  • FIG. 2 is a flow chart of a method for controlling a high-voltage network side circuit of a power car in an EMU provided by the present application.
  • the core of the application is to provide a high-voltage network side circuit of a power car in an EMU, a control method thereof, a device and a computer readable storage medium, so as to simultaneously realize flexible grouping in different modes and redundancy protection of the circuit, and at the same time Improve flexibility and security.
  • FIG. 1 is a structural diagram of a high-voltage network side circuit of a power car in an EMU provided by the present application; and includes a plurality of parallel power receiving branches 1 for use with other power vehicles in the EMU Electrically connected bypass branch 2, mode input detection circuit 3 and controller 4;
  • the power receiving branch 1 includes a main circuit breaker and a pantograph installed between the first end of the main circuit breaker and the contact line of the high voltage power grid; the second ends of the main circuit breakers are connected to each other as parallel The output end of the power receiving branch 1 is connected to the primary winding of the traction transformer of the power vehicle;
  • the bypass branch 2 includes a high-voltage isolating switch connected to the output end of the power receiving branch 1 at the first end, and the second end of the high-voltage isolating switch is used as a bypass point for connecting with the bypass point of other power vehicles in the EMU;
  • the mode input detecting circuit 3 is configured to detect a mode selection instruction input by the user
  • the controller 4 is connected to the mode input detecting circuit 3 and coupled to the main circuit breaker, the pantograph and the high voltage isolating switch respectively (as indicated by a broken line in FIG. 1); when the mode selection command is the dual power vehicle traction mode command Sending a closing command to the high-voltage isolating switch, and sending a shutdown command to the high-voltage isolating switch when the mode selection command is the single-power vehicle traction mode command; and controlling any of the power receiving branches 1 to be turned on to output the power supply.
  • the function of the high-voltage network side circuit of the power car is to obtain electric energy from the high-voltage grid side, and supply power to the primary side of the traction transformer to output electric energy from the secondary side of the traction transformer to supply power to the EMU.
  • devices in high voltage grid side circuits typically include pantographs, main breakers, and grounding devices. When the pantograph is raised and the main breaker is closed, the high-voltage grid side is in the path state, and the electric energy can be output backward through the traction transformer; when the pantograph is lowered or the main breaker is disconnected, the high-voltage grid side is in the open state. . Also, in order to achieve arc extinguishing, the main breaker usually needs to be closed after the pantograph is raised, and is disconnected before the pantograph is lowered.
  • the high-voltage network side circuit In order to perform redundancy protection on the high-voltage network side circuit, the high-voltage network side circuit provided by the present application specifically sets a plurality of power-receiving branches 1 composed of a pantograph and a main breaker in parallel (only symbolically in FIG. 1) Show two). Since each of the power receiving branches is connected in parallel between the high-voltage network side contact line and the input terminal of the primary winding of the traction transformer, as long as one of the power receiving branches 1 is turned on, the power of the high-voltage network side can smoothly pass through the traction transformer. Output. With the redundancy protection setting, after the pantograph or main breaker in one of the power receiving branches 1 fails, the controller can make other normal power receiving branches 1 conduct, thereby maintaining the train power system. The normal operation.
  • the pantograph is mounted on the high voltage grid contact line and the first end of the main breaker, and when it is raised, the high voltage grid contact line is connected to the first end of the main breaker.
  • the second ends of the main circuit breakers in each of the power receiving branches 1 are short-circuited to each other as the output ends of the respective power receiving branches 1 for being connected to the input ends of the primary windings of the traction transformer of the power car to output electric energy.
  • a high voltage voltage transformer is arranged in the power receiving branch 1 to monitor the input voltage on the high voltage network side; a high voltage current transformer is arranged between the output end of the power receiving branch 1 and the input end of the primary winding of the traction transformer, In order to monitor the input current of the high-voltage network side; a grounding current transformer is arranged between the output end of the primary winding of the traction transformer and the grounding device to monitor the grounding current of the high-voltage network side; at the output end and the grounding end of the power receiving branch 1 Arresters are placed between them to protect circuit components.
  • the content can be set by a person skilled in the art according to conventional technical means, which is not limited in this application.
  • the high-voltage network side circuit provided by the present application also includes other The bypass transformer 2 of the electric vehicle's traction transformer is electrically connected.
  • the bypass branch 2 mainly includes a high-voltage isolating switch, and the first end of the high-voltage isolating switch is connected to the output end of the power receiving branch 1 of the power vehicle, and the other end is used as a bypass point of the power vehicle, and is used for Connect to the side points of other power cars.
  • the bypass points of the two power vehicles are connected to each other and the high-voltage isolating switches of the two power vehicles are all in the on state, the primary windings of the traction transformers of the two power vehicles are connected in parallel, and at the same time, the two power vehicles
  • the power receiving branches 1 are also connected in parallel with each other, and the power receiving branch 1 that is normally turned on by any of the two power vehicles can simultaneously supply power to the two power vehicles, that is, the dual power vehicle traction mode is realized.
  • the high-voltage isolating switch can be disconnected and the connection line between the two power-supplying side points can be cancelled. Therefore, the circuit structure switching in the two grouping modes can be easily realized by the high-voltage network side circuit provided by the present application.
  • the high-voltage network side circuit further includes a mode input detecting circuit 3 for receiving a mode selection instruction input by the user.
  • the controller 4 controls the high-voltage isolating switch to be turned off, and then controls any one of the power-receiving branches 1 to be turned on to output the power supply; and when the user completes the connection between the two-powered vehicle side-by-side contacts
  • the controller 4 controls the high voltage isolation switch to be turned on, and then controls any one of the power receiving branches 1 to be turned on to output power.
  • the mode input detection circuit 3 the person skilled in the art can select a setting, such as a button detection circuit or a switch detection circuit, which is not limited in this application.
  • the high-voltage network side circuit of the power car in the EMU provided by the present application can effectively realize the redundancy protection of the circuit by setting a plurality of parallel connected power receiving branches 1 , and can also control the bypass branch 2
  • the continuity of the switch is applicable to the single-power traction mode and the dual-power traction mode, so this application can effectively improve the flexible applicability and safety of the circuit at the same time.
  • the power receiving branch 1 is two;
  • the controller 4 is specifically used to:
  • pantograph and the main breaker in the second power receiving branch are not faulty; if yes, the bowing command is sent to the pantograph in the second power receiving branch, and the second power receiving is performed
  • the main breaker in the branch sends a closing command; so that the second power receiving branch is turned on to output power.
  • two parallel power receiving branches 1 may be provided for the high-voltage network side circuit of each power car, and one of them is preferentially used by default, that is, the first power receiving branch.
  • the second power receiving branch is switched.
  • the corresponding fault prompt information can also be generated at the same time, so that the staff can perform maintenance in time.
  • the pantograph when controlling the power-receiving branch 1 to be turned on, the pantograph can be lifted first and then the main breaker can be closed; and when the controlled power-receiving branch is closed, the main breaker can be disconnected first. Then let the pantograph bow down to achieve the purpose of arc extinguishing.
  • bypass point is specifically used to:
  • the high voltage jumper is connected to the side point of other power vehicles in the EMU.
  • the pantographs in each of the power receiving branches 1 are of the same type.
  • FIG. 2 is a flowchart of a method for controlling a high-voltage network side circuit of a power car in an EMU according to the present application, which is applied to a controller in a high-voltage network side circuit as described in the above embodiment. 4, mainly includes the following steps:
  • Step 1 Obtain a mode selection instruction input by the user; the mode selection instruction includes a dual power vehicle traction mode command or a single power vehicle traction mode command.
  • Step 2 Determine whether the mode selection command is a dual power vehicle traction mode command; if yes, proceed to step 3; if not, proceed to step 4.
  • Step 3 Send a closing command to the high voltage disconnector and proceed to step 5.
  • Step 4 Send a shutdown command to the high voltage isolation switch and proceed to step 5.
  • Step 5 Control any power-receiving branch 1 to be turned on to output power.
  • the arbitrary power-receiving branch 1 mentioned in step 5 includes not only any power-receiving branch 1 of the power vehicle, but also any other power-bearing vehicle. Electric branch 1.
  • the power receiving branch 1 is two;
  • Controlling any of the power receiving branches 1 to be closed so that the output power supply includes:
  • pantograph and the main breaker in the second power receiving branch are not faulty; if yes, the bowing command is sent to the pantograph in the second power receiving branch, and the second power receiving is performed
  • the main breaker in the branch sends a closing command; so that the second power receiving branch is turned on to output power.
  • bypass point is specifically used to:
  • the high voltage jumper is connected to the side point of other power vehicles in the EMU.
  • the pantographs in each of the power receiving branches 1 are of the same type.
  • the application also provides a control device for a high-voltage network side circuit of a power car in an EMU, comprising:
  • Memory used to store computer programs
  • Processor The step of executing the computer program to implement the control method of the high voltage grid side circuit of the power car in any of the EMUs as described above.
  • the present application also provides a computer readable storage medium having a computer program stored therein, when executed by a processor, implementing the high voltage network side circuit of the power car in any of the EMUs as described above. The steps of the control method.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

L'invention concerne un circuit côté réseau haute tension d'un train de moteur dans une unité de train de moteur et un procédé de commande et un dispositif associé, un support de stockage lisible par ordinateur, le circuit côté réseau haute tension comprenant une pluralité de branches de réception (1) connectées en parallèle, une branche de dérivation (2), un circuit de détection d'entrée de mode (3) et un dispositif de commande (4), la branche de dérivation (2) comprenant un sectionneur haute tension dont une première extrémité est connectée à une extrémité de sortie des branches de réception (1) et une seconde extrémité du sectionneur haute tension sert de point de dérivation et est connectée à des points de dérivation d'autres trains de moteur ; le circuit de détection d'entrée de mode (3) est utilisé pour détecter une instruction de sélection de mode entrée par un utilisateur ; et le dispositif de commande (4) est utilisé pour envoyer une instruction de fermeture au sectionneur haute tension lorsque l'utilisateur entre une instruction de mode de traction de double train de moteur, et envoyer une instruction d'arrêt au commutateur de déconnexion haute tension lorsque l'utilisateur entre une instruction de mode de traction de train de moteur unique ; et l'une quelconque des branches de réception (1) est commandée pour être activée de manière à délivrer une alimentation électrique. La présente invention peut améliorer la flexibilité et la sécurité du circuit dans différents modes de regroupement.
PCT/CN2018/102645 2018-05-18 2018-08-28 Circuit côté réseau haute tension de train de moteur dans une unité de train de moteur et procédé de commande associé WO2019218523A1 (fr)

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CN201810479788.7 2018-05-18
CN201810479788.7A CN108572574B (zh) 2018-05-18 2018-05-18 一种动车组中动力车的高压网侧电路及其控制方法

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CN108572574B (zh) * 2018-05-18 2020-11-27 中车株洲电力机车有限公司 一种动车组中动力车的高压网侧电路及其控制方法
CN109703368B (zh) * 2018-12-10 2021-02-02 中车大连机车车辆有限公司 机车高压系统冗余控制方法及系统
CN112977482B (zh) * 2019-12-02 2022-06-21 重庆中车长客轨道车辆有限公司 一种跨座式单轨车辆
CN112937306B (zh) * 2021-04-02 2022-10-04 中车青岛四方机车车辆股份有限公司 轨道列车、轨道列车动力系统及其控制方法和控制装置
CN114633640B (zh) * 2022-01-17 2023-09-26 中车青岛四方机车车辆股份有限公司 轨道车辆的动力切换系统、方法及轨道车辆

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