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Multi-energy coupling system

A coupling system, multi-energy technology, applied in the field of electrified railway and power grid, can solve the problems of regenerative braking energy waste, poor power quality and so on

Inactive Publication Date: 2020-10-20
DUNSHI MAGNETIC ENERGY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of this, the embodiment of the present invention provides a multi-energy coupling system to solve the problems of poor power quality and waste of regenerative braking energy in the traction power supply system in the prior art

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Embodiment Construction

[0022] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

[0023] In order to illustrate the technical solutions of the present invention, specific examples are used below to illustrate.

[0024] In one embodiment of the present invention, as figure 1 as shown, figure 1 The structure of the multi-energy coupling system provided by the embodiment of the present invention is shown, which includes:

[0025] Energy management device 100, new energy power g...

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Abstract

The invention is applicable to the technical field of power grids, and provides a multi-energy coupling system, which comprises an energy management device, a new energy power generation system, a grid-connected inverter, an energy transfer system and a hybrid energy storage system. The grid-connected inverter and the energy transfer system are connected between the traction power supply system and the new energy power generation system; energy intercommunication among the new energy power generation system, the energy transfer system and the hybrid energy storage system can be realized, so that peak load shifting and frequency modulation of the new energy power generation system can be realized, the generating capacity and the electric energy quality can be improved, and comprehensive energy conservation and electric energy quality treatment of the traction power supply system can be realized.

Description

technical field [0001] The invention belongs to the technical field of electrified railways and power grids, and in particular relates to a multi-energy coupling system. Background technique [0002] Electrified railway, also known as electrified railway, is a railway that is mainly run by electric locomotives or EMUs, two types of railway trains (that is, commonly known as trains). Electrified railways are large-scale industrial users with distinctive characteristics, and the traction power supply system, as a typical impact load, has always had an impact on the national grid. At present, the main problems in the traction power supply system of electrified railways include: high basic electricity expenses, waste of regenerative braking energy, poor power quality, and low capacity utilization of traction transformers. Contents of the invention [0003] In view of this, an embodiment of the present invention provides a multi-energy coupling system to solve the problems of ...

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Application Information

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IPC IPC(8): H02J3/30H02J3/32H02J3/38B60M3/00B60M3/02
CPCB60M3/00B60M3/02H02J3/30H02J3/381H02J3/322H02J2300/24H02J2300/28H02J2310/48Y02E10/56Y02E60/16
Inventor 陈鹰王大杰唐英伟李胜飞任静张建平李玉光王存岗
Owner DUNSHI MAGNETIC ENERGY TECH
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