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Electric energy supply system and method

A technology of electric energy supply and energy, applied in current collectors, photovoltaic power generation, electric vehicles, etc., can solve the problem that the roadside energy security system cannot meet the load demand, and achieve the effect of improving the utilization rate of power generation

Pending Publication Date: 2020-10-27
STATE GRID SHANGHAI ENERGY INTERCONNECTION RES INST CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing centralized power supply-based power structure of the expressway, the roadside energy protection system can no longer meet the rapidly growing load demand

Method used

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  • Electric energy supply system and method
  • Electric energy supply system and method
  • Electric energy supply system and method

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Embodiment Construction

[0029] Exemplary embodiments of the present invention will now be described with reference to the drawings; however, the present invention may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for the purpose of exhaustively and completely disclosing the present invention. invention and fully convey the scope of the invention to those skilled in the art. The terms used in the exemplary embodiments shown in the drawings do not limit the present invention. In the figures, the same units / elements are given the same reference numerals.

[0030] Unless otherwise specified, the terms (including scientific and technical terms) used herein have the commonly understood meanings to those skilled in the art. In addition, it can be understood that terms defined by commonly used dictionaries should be understood to have consistent meanings in the context of their related fields, and should not be understood as idealized or over...

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Abstract

The invention discloses an electric energy supply system and method, and belongs to the technical field of electric energy supply. The system disclosed by the invention comprises an energy router, a direct-current transformer and an optical storage all-in-one machine, wherein the energy router is connected with medium-voltage alternating current and is used for converting the medium-voltage alternating current and outputting medium-voltage direct current; the direct-current transformer is connected with the medium-voltage direct current output by the energy router and is used for converting the medium-voltage direct current into low-voltage direct current; and the optical storage all-in-one machine is connected to the low-voltage direct-current bus and is used for photovoltaic power generation control and energy storage charging and discharging management. According to the invention, the power generation utilization rate and the stability of low-voltage direct-current power supply canbe improved.

Description

technical field [0001] The present invention relates to the technical field of electric energy supply, and more particularly, relates to an electric energy supply system and method. Background technique [0002] In order to meet the needs of smart transportation, automatic driving, 5G communication and other roadside smart devices for power consumption and communication in the expressway network, it is necessary to build an energy micro-grid, respond to the national top-level design, serve the "triple network integration" strategy, and promote energy supply Side-by-side structural reforms, build a green transportation energy network, provide green energy guarantee for smart expressways, develop distributed photovoltaic power generation, and serve intelligent equipment on the expressway network locally, which can reduce the capacity of long-distance transmission of electric energy and reduce the generation of long-distance transmission. At the same time, it slows down the exp...

Claims

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Application Information

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IPC IPC(8): H02J1/00H02J7/35
CPCH02J1/002H02J7/35Y02E10/56
Inventor 刘文龙刘海涛吕志鹏吕广宪韩筛根李文鹤宋振浩周珊薛琳刘锋
Owner STATE GRID SHANGHAI ENERGY INTERCONNECTION RES INST CO LTD