Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Locomotive power supply system and control method thereof

A power supply system and locomotive power supply technology, applied in the direction of locomotive propulsion, locomotives, motor vehicles, etc., can solve the problems of poor power supply quality and reliability, lack of redundancy in the power supply of electric locomotives, etc., to improve flexibility, safety, and reliability. performance and flexibility, enhancing comfort and convenience

Active Publication Date: 2020-10-16
CRRC YONGJI ELECTRIC CO LTD
View PDF10 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention solves the problem of lack of redundancy in the power supply of existing electric locomotives, and the problem of poor power supply quality and reliability, and provides a locomotive power supply system and its control method to realize the switching and control of the backup power supply when the pantograph-catenary power supply is interrupted ; At the same time, improve the quality and reliability of train power supply

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Locomotive power supply system and control method thereof
  • Locomotive power supply system and control method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] 1. The locomotive power supply system provides electric energy for lighting, air conditioning, oxygen generator, battery, electric heating and other equipment, figure 1 The main circuit topology of the locomotive power supply system. Including transformers, train power supply systems, diesel generator power supply systems and storage batteries. The transformer has two secondary sides of T3 and T4, which are used for power supply circuit 1 and power supply circuit 2; including pre-charging contactor K5 / K6, pre-charging resistor R5 / R6, main contactor K7 / K8, four-quadrant converter 1 / 2, chopper 1 / 2, support capacitor C1 / C2, support capacitor C3 / C4, diode D1 / D2, wherein, chopper 1 is composed of inductor L1 and IGBT1, and chopper 2 is composed of inductor L2 and IGBT2 constitutes. The auxiliary power supply system of the diesel generator is mainly composed of a diesel generator and a three-phase rectification system; the battery is used for electric energy storage, on the...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a locomotive power supply system, in particular to a locomotive power supply system and a control method thereof. The problems that an existing electric locomotive is lack ofredundancy in power supply and poor in power supply quality and reliability are solved. The locomotive power supply system comprises a transformer, a train power supply system, a diesel generator power supply system and a storage battery. Through the multi-layer redundancy main circuit topology design and multi-layer redundancy control switching, the reliability and flexibility of the train powersupply system are greatly improved, and the riding comfort and convenience of passengers are improved; the system has the capability of providing long-time and short-time power supply for the train power supply system, and improves the flexibility and safety of locomotive power supply.

Description

technical field [0001] The invention relates to a locomotive power supply system, in particular to a locomotive power supply system and a control method thereof. Background technique [0002] In remote areas such as Tibet and Qinghai-Tibet in my country, when pantograph-catenary power supply is interrupted due to various reasons, the train power supply and auxiliary systems must have uninterrupted power supply capabilities, especially in tunnels, oxygen generators need to work normally to avoid hypoxia occur. However, the existing electric locomotives only have pantograph-catenary power supply, lack of power supply redundancy, and cannot meet the demand for uninterrupted power supply. [0003] There are mainly two schemes for the existing train power supply, one is to take power from the secondary side of the transformer, and the four-quadrant rectification train power supply scheme; although this scheme can provide relatively stable DC power, it has higher requirements for ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): B61C3/00B61C3/02B60L9/00H02J9/06
CPCB60L9/00B61C3/00B61C3/02H02J9/061Y02T10/72Y02T30/00
Inventor 于森林葸代其张瑞峰詹哲军梁海刚贺志学
Owner CRRC YONGJI ELECTRIC CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com