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Electric energy quality comprehensive treatment device and method for traction power supply system

A traction power supply system and power quality technology, applied in the direction of circuit devices, harmonic reduction devices, electrical components, etc., can solve problems such as shortage, vehicle network resonance power supply capacity, etc., achieve low cost, improve power quality, and improve utilization. Effect

Pending Publication Date: 2022-02-18
ZHUZHOU NAT ENG RES CENT OF CONVERTERS
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Problems solved by technology

[0003] In view of this, the purpose of one or more embodiments in this application is to propose a device and method for comprehensive management of power quality in traction power supply systems to solve the problems of vehicle-network resonance and insufficient power supply capacity in the prior art

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  • Electric energy quality comprehensive treatment device and method for traction power supply system
  • Electric energy quality comprehensive treatment device and method for traction power supply system
  • Electric energy quality comprehensive treatment device and method for traction power supply system

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Embodiment Construction

[0033] In order to make the purpose, technical solutions and advantages of the present disclosure clearer, the present disclosure will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0034] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in one or more embodiments of the present application shall have common meanings understood by those skilled in the art to which the present disclosure belongs. "First", "second" and similar words used in one or more embodiments of the present application do not indicate any order, quantity or importance, but are only used to distinguish different components. "Comprising" or "comprising" and similar words mean that the elements or items appearing before the word include the elements or items listed after the word and their equivalents, without excluding other elements or items. Words such as "connected" or "connected...

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Abstract

One or more embodiments of the invention provide an electric energy quality comprehensive treatment device and method for a traction power supply system, and the device comprises a power fusion module and at least two high-pass filtering modules which are connected to a contact network, and an energy storage module is connected to the power fusion module; the power fusion module comprises at least two step-down transformers and at least two power units; the at least two power units are connected in parallel, one power unit is connected with the secondary side of the first step-down transformer, and the primary side of the first step-down transformer is connected with the first power supply arm through a contact network; the other power unit is connected with the secondary side of a second step-down transformer, and the primary side of the second step-down transformer is connected with a second power supply arm through a contact network; and the energy storage module comprises at least one control energy storage unit and at least one energy storage branch, and the at least one energy storage branch is connected with the at least one control energy storage unit in parallel. According to the invention, power fusion, energy storage and full harmonic wave filtering can be carried out.

Description

technical field [0001] One or more embodiments in this application relate to the technical field of electric energy management, and in particular to a device and method for comprehensively controlling electric energy quality in a traction power supply system. Background technique [0002] With the development of high-power AC / DC electric locomotives, the demand for power supply quality and capacity of traction power supply system is increasing day by day. Harmonics, the traction power supply system in the prior art has the problem of vehicle network resonance and insufficient power supply capacity. Contents of the invention [0003] In view of this, the purpose of one or more embodiments in this application is to propose a device and method for comprehensive management of power quality in traction power supply systems, so as to solve the problems of vehicle network resonance and insufficient power supply capacity in the prior art. [0004] Based on the above purpose, one ...

Claims

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Application Information

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IPC IPC(8): H02J3/01H02J3/18H02J3/32
CPCH02J3/01H02J3/1842H02J3/32Y02E40/30Y02E40/40
Inventor 刘斐邱文俊黄迪王婷何亚屏段焱辉龙礼兰吴明水莫添珍段艳利李拥平
Owner ZHUZHOU NAT ENG RES CENT OF CONVERTERS
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