WO2020057279A1 - Système et procédé de commande d'un ensemble locomotive à alimentation hybride de ligne principale - Google Patents

Système et procédé de commande d'un ensemble locomotive à alimentation hybride de ligne principale Download PDF

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Publication number
WO2020057279A1
WO2020057279A1 PCT/CN2019/099381 CN2019099381W WO2020057279A1 WO 2020057279 A1 WO2020057279 A1 WO 2020057279A1 CN 2019099381 W CN2019099381 W CN 2019099381W WO 2020057279 A1 WO2020057279 A1 WO 2020057279A1
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WO
WIPO (PCT)
Prior art keywords
locomotive
battery
power
diesel
powered
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Application number
PCT/CN2019/099381
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English (en)
Chinese (zh)
Inventor
刘顺国
韩笑
孟玉发
彭长福
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中车资阳机车有限公司
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Publication of WO2020057279A1 publication Critical patent/WO2020057279A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C7/00—Other locomotives or motor railcars characterised by the type of motive power plant used; Locomotives or motor railcars with two or more different kinds or types of motive power
    • B61C7/04—Locomotives or motor railcars with two or more different kinds or types of engines, e.g. steam and IC engines
    • 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
    • B61C17/12—Control gear; Arrangements for controlling locomotives from remote points in the train or when operating in multiple units
    • 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

Definitions

  • the invention belongs to the field of rail transit, and particularly relates to a main line hybrid locomotive control system and method.
  • the present invention proposes a mainline hybrid locomotive control system, and specifically includes a diesel locomotive control subsystem and a battery locomotive control subsystem.
  • the diesel locomotive control subsystem is connected to the battery locomotive control subsystem through a wireless network. .
  • the diesel locomotive control subsystem includes a first locomotive microcomputer, a generator, a first traction motor, an excitation device, a rectifier device, a first inverter device, and a braking resistor.
  • the first locomotive microcomputer is connected to an input end of the excitation device and The input terminal of the first inverter device, the output terminal of the excitation device is connected to the input terminal of the generator, the output terminal of the generator is connected to the input terminal of the rectifier device, and the output terminal of the rectifier device is connected to the first inverter device.
  • the input end of the first inverter device is connected to the input end of the braking resistor, and the first traction motor is bidirectionally electrically connected to the first inverter device.
  • the battery locomotive control subsystem includes a second locomotive microcomputer, a power battery, an electronic switch, a battery management system, a second inverter device, and a second traction motor.
  • the second locomotive microcomputer is connected to the first locomotive microcomputer through a wireless network.
  • the second locomotive microcomputer is electrically connected to the battery management system in two directions, the battery management system is electrically connected to the power battery, the input terminal of the power battery is connected to the electronic switch output terminal, and the electronic switch input terminal is connected to the rectifier of the control subsystem of the internal combustion engine
  • the power battery is also bidirectionally electrically connected to a second inverter device, and the second inverter device is bidirectionally electrically connected to a second traction motor and a second locomotive microcomputer.
  • the present invention also proposes a method for controlling a main line hybrid locomotive, which specifically includes the following steps:
  • step S4 In a main-line hybrid locomotive composed of a pure battery-powered locomotive and a diesel locomotive, when the train is downhill or at a reduced speed, step S4 is performed; otherwise, step S2 is performed;
  • step S5 When the traction power required by the train is higher than the set value, step S5 is performed; otherwise, step S3 is performed;
  • step S6 is performed; otherwise, this step ends
  • the battery is charged by the battery-powered locomotive power brake
  • the diesel locomotive is responsible for traction of the train.
  • the internal combustion locomotive uses an electronic switch to output a part of the battery for charging the battery of a pure battery-powered locomotive.
  • step S5 includes the following sub-steps:
  • step S53 is performed; otherwise, step S52 is performed;
  • step S52 When the battery power is lower than the preset low power value, step S54 is performed; otherwise, step S55 is performed;
  • S55 Decrease the output of the battery-powered locomotive, increase the speed of the diesel engine in the diesel locomotive, and control the main excitation to increase the output power of the diesel engine.
  • step S54 is specifically: the diesel engine in the diesel locomotive works at a high speed, the battery in the pure battery powered locomotive works in a charged state, and transmits the allowed charging power to the diesel locomotive, and the diesel locomotive according to the traction power required by the train
  • the charging power required by the battery and the battery controls the diesel engine excitation, adjusts the main output power and voltage of the diesel engine, and the microcomputer of the diesel locomotive transmits the charging power parameters to the battery-powered locomotive microcomputer through network communication. recharging current.
  • the battery of pure battery-powered locomotive is used to recover the kinetic energy of the locomotive, which reduces the brake shoe consumption of the vehicle and improves the economic performance of the locomotive;
  • This control method reasonably allocates the battery charging and discharging power of pure battery-powered locomotives, and can exert the maximum traction, braking power and endurance of hybrid electric vehicles;
  • the control method can effectively recover and utilize the braking energy of the train, and the fuel-saving rate of the locomotive can reach 30% or more, thereby reducing the use cost.
  • FIG. 1 is a flowchart of a method for controlling a main line hybrid locomotive
  • Figure 2 is a schematic diagram of a mainline hybrid locomotive control system.
  • This embodiment provides a mainline hybrid locomotive control system. As shown in FIG. 2, it includes a diesel locomotive control subsystem and a battery locomotive control subsystem. The two can provide traction power independently or jointly. The braking energy recovery can be implemented during braking. When the braking capacity of the battery is insufficient, the diesel locomotive control subsystem uses resistance braking to supplement. The control information of the diesel locomotive control subsystem and the battery locomotive control subsystem is transmitted through the communication network. of:
  • the diesel locomotive control subsystem includes a first locomotive microcomputer, a generator, a first traction motor, an excitation device, a rectifier device, a first inverter device, and a braking resistor.
  • the first locomotive microcomputer is connected to the input terminal of the excitation device and the first inverter.
  • the input of the device, the output of the excitation device is connected to the input of the generator, the output of the generator is connected to the input of the rectifier, and the output of the rectifier is connected to the input of the first inverter device.
  • the output end is connected to the input end connected to the braking resistor, and the first traction motor is bidirectionally electrically connected to the first inverter device.
  • the battery locomotive control subsystem includes a second locomotive microcomputer, a power battery, an electronic switch, a battery management system, a second inverter device, and a second traction motor.
  • the second locomotive microcomputer is connected to the first locomotive microcomputer through a wireless network, and the second locomotive microcomputer is bidirectional.
  • the battery management system is electrically connected to the battery management system.
  • the battery management system is electrically connected to the power battery.
  • the input of the power battery is connected to the output of the electronic switch.
  • the input of the electronic switch is connected to the output of the rectifier of the control subsystem of the diesel locomotive. Transformer, and the second inverter device is bidirectionally connected to the second traction motor and the second locomotive microcomputer.
  • this embodiment also provides a main-line hybrid locomotive control method, which uses a battery (that is, the aforementioned power battery) to recover locomotive kinetic energy, reduce vehicle brake shoe consumption, improve locomotive economy, reasonably allocate battery charge and discharge power, and increase locomotive. Endurance.
  • the charging strategy of a pure battery-powered locomotive (the aforementioned battery locomotive) is to charge the battery with the power brake of a pure battery-powered locomotive when the train is going downhill or at a reduced speed, or when the traction capacity of the diesel locomotive is rich and the battery power is low, this When the diesel locomotive is towed, the battery-powered locomotive uses a part of the output power of the diesel locomotive to charge the battery in the battery-powered locomotive through electronic switches. When more traction power is needed, the two locomotives jointly provide traction power to ensure the traction performance of the main train.
  • the specific control methods are as follows:
  • the pure battery-powered locomotive gives priority to the traction power; when the battery power SOC is at a low position, the power of the pure battery-powered locomotive is further reduced, and the diesel locomotive increases the speed of the diesel engine and controls the main engine. Excitation increases the output power of the diesel engine; when the battery approaches the lower limit of use, the battery stops outputting power and the diesel locomotive provides all the traction power required by the train.
  • the diesel locomotive When the locomotive is in the traction state, when the battery power SOC is less than the set value, the diesel locomotive allows the diesel engine to work at a high speed, the pure battery-powered locomotive works in the charging state, and transmits the allowed charging power to the diesel locomotive.
  • the power and the allowable charging power of the battery-powered locomotive control the diesel engine excitation, adjust the main output power and voltage of the diesel engine, and the microcomputer of the diesel locomotive transmits the charging power parameters to the battery-powered locomotive microcomputer through network communication.
  • the battery-powered locomotive controls the electronic switch duty cycle. To control the battery charging current.
  • the diesel engine of the diesel locomotive outputs part of the power, and a part of the power P 4 charges the battery through the electronic switch of the battery-powered locomotive.

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

Abstract

L'invention concerne un système et un procédé de commande d'un ensemble locomotive à alimentation hybride de ligne principale. Dans ladite invention, dans un ensemble locomotive à alimentation hybride à ligne principale composé d'une locomotive alimentée par batterie pure et d'une locomotive diesel : lorsqu'un train est dans un état de descente ou de réduction de vitesse, à l'aide d'un frein de puissance de la locomotive alimentée par batterie pure pour charger une batterie ; lorsque la puissance de traction requise par le train est supérieure à une valeur prédéfinie, la locomotive alimentée par batterie pure et la locomotive diesel tractant conjointement le train ; lorsqu'il y a une quantité excédentaire de capacité de traction de la locomotive diesel et que la puissance de batterie de la locomotive alimentée par batterie pure est inférieure à une valeur prédéfinie, la locomotive diesel est responsable de la traction du train, et la locomotive diesel délivre en sortie une partie pour charger la batterie de la locomotive alimentée par batterie pure au moyen d'un commutateur électronique. Le système et le procédé de commande de l'ensemble locomotive à alimentation hybride de ligne principale utilisent la batterie de la locomotive alimentée par batterie pure pour récupérer l'énergie cinétique de la locomotive, réduisent la consommation du sabot de frein du véhicule et améliorent les performances économiques de la locomotive.
PCT/CN2019/099381 2018-09-19 2019-08-06 Système et procédé de commande d'un ensemble locomotive à alimentation hybride de ligne principale WO2020057279A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811091679.4A CN109278765B (zh) 2018-09-19 2018-09-19 一种干线混合动力机车组控制系统
CN201811091679.4 2018-09-19

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CN109278765B (zh) * 2018-09-19 2024-02-13 中车资阳机车有限公司 一种干线混合动力机车组控制系统
CN110667606B (zh) * 2019-10-16 2021-03-23 中车大连机车车辆有限公司 一种交流传动混合动力调车机车的控制方法
CN113928300B (zh) * 2020-06-28 2023-09-29 株洲中车时代电气股份有限公司 一种混合动力车辆的牵引控制方法及其系统
CN113997958B (zh) * 2021-12-03 2023-04-28 中车资阳机车有限公司 一种带动力电池车的三动力机车组及可扩展牵引拓扑结构

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