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Electrified Railway Grid System with No Negative Sequence and Intermittent Power Supply Network in the Whole Process

一种电气化铁路、电网系统的技术，应用在电源线路、铁路车辆、电池/电池的牵引等方向，能够解决复杂等问题，达到增加机械平顺性、简化复杂性、节省施工费用的效果

Inactive Publication Date: 2016-09-07
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in order to support the full load of the traction power supply network, complex mechanical support structures must be provided

Method used

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  • Electrified Railway Grid System with No Negative Sequence and Intermittent Power Supply Network in the Whole Process
  • Electrified Railway Grid System with No Negative Sequence and Intermittent Power Supply Network in the Whole Process
  • Electrified Railway Grid System with No Negative Sequence and Intermittent Power Supply Network in the Whole Process

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Embodiment Construction

[0037] The specific embodiment of the present invention will be further described below in conjunction with accompanying drawing:

[0038] Such as figure 1 as shown, figure 1 The front view of the external power supply for the line, including the anchor pillar, the upper part of the anchor pillar is fixed with a wrist arm, and two parallel catenary cables are fixed on the wrist arm. The distance between the catenary cables is 1.94m. The suspension strings are set between the load-bearing cables and the contact wires. The upper ends of the two parallel suspension strings are connected to the two load-bearing cables, the lower ends of the two suspension strings are connected to the two contact wires, and the two parallel contact wires are connected to the traction transformer. The two single-phase α and single-phase β power lines output by the secondary side of S are connected. There are two roads on the up and down of the railway, such as figure 1 As shown in the symmetri...

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Abstract

The invention discloses an electrified railway power supply system with no negative sequence and intermittent power supply network in the whole process, which is composed of external and internal power supply systems. The external power supply is to change the single-phase power supply to a two-phase power supply. The single-phase α and single-phase β are input into the power supply system in the vehicle through the contactors α′ and β′ on the left and right arms of the double-phase pantograph. The internal power supply is that when the double-phase pantograph T1 is raised and the double-phase pantograph T2 is lowered, the single-phase α supplies power to the EMU, and the single-phase β charges the battery; when T2 rises and T1 falls, the single-phase α is The battery supplies power, and the single-phase β supplies power to the EMU. When the two-phase pantographs T1 and T2 are lowered, the storage battery supplies power to the EMU under the condition of no external power supply. There is no power supply network intermittently in multiple sections of operation, no neutral section with excessive phase separation, and no mechanical support of the power supply network, and the EMU can also operate normally.

Description

technical field [0001] The traction power supply system is the power source to ensure the safe, stable and efficient operation of high-speed trains. It is responsible for the stable, continuous and reliable power supply to high-speed EMUs. It is one of the important infrastructures of electrified railways. The invention relates to a power supply system with no negative sequence in the whole electrified railway and no catenary intermittently, and is especially suitable for a supporting power supply system with no negative sequence in the whole high-speed railway and no contact power supply network intermittently. It is material saving, safe and reliable for the electrified railway grid Good important innovation. Background technique [0002] Electrified railway uses electric energy as the power source of the train, which is specially supplied to the external power supply and internal power supply system of the EMU. [0003] The external power supply system of the existing el...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60M1/12B60L5/18B60L9/00B60M1/00
CPCB60M3/00B60M7/003B60L1/00B60L9/24B60L50/53B60L5/18B60L2200/26B60M1/22Y02T10/70B60L9/26B60M1/12
Inventor 宋玉泉管晓芳
Owner JILIN UNIV
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