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A v2g system based on photovoltaic power generation function

A photovoltaic power generation and functional technology, applied in the field of V2G systems, can solve the problems of high cost, achieve the effect of less space, facilitate the promotion and use, and improve the effective utilization rate

Active Publication Date: 2017-10-03
XIAMEN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] If you install both photovoltaic inverters and electric vehicle charging piles, the cost is obviously very high

Method used

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  • A v2g system based on photovoltaic power generation function
  • A v2g system based on photovoltaic power generation function

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with drawings and embodiments.

[0024] refer to figure 1 , a V2G system based on photovoltaic power generation function, including grid interface 1, bidirectional AC / DC converter 2, bidirectional DC / DC converter 3, mode conversion switch 4, photovoltaic combiner box interface 5, electric vehicle charging port 6 and smart snap-in 7;

[0025] The photovoltaic combiner box interface 5 and the electric vehicle charging port 6 are connected to the bidirectional DC / DC converter 3 through the mode changeover switch 4; the mode changeover switch 4 controls one of the photovoltaic combiner box interface 5 and the electric vehicle charging port 6 and The bidirectional DC / DC converter 3 is connected; the bidirectional DC / DC converter 3 is connected to the grid interface 1 through the bidirectional AC / DC converter 2; the intelligent management unit 7 is responsible for the operation and control of each sub-modul...

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Abstract

The invention provides a photovoltaic power generation function based V2G system. The photovoltaic power generation function based V2G system comprises a power grid interface, a bidirectional AC / DC converter, a bidirectional DC / DC converter, a mode conversion switch, a photovoltaic combiner box interface, an electric automobile charging port and an intelligent management unit. When the V2G system operates at an electric automobile charging mode, clutters at other frequency bands are filtered from alternating current input from the power grid interface via an input filtering link, then the alternating current is rectified by the bidirectional AC / DC converter so as to obtain direct current, and voltage is adjusted to the proper value by the bidirectional DC / DC converter, and is output from the electric automobile charging port; when the V2G system operates at a photovoltaic grid-connected mode, the photovoltaic combiner box interface collects direct-current electricity energy generated by a photovoltaic array device, the voltage is adjusted to the voltage grade conforming to inverting grid connection by the bidirectional DC / DC converter, and then the bidirectional AC / DC converter is used for inverting grid connection.

Description

technical field [0001] The invention relates to a V2G system based on photovoltaic power generation function. Background technique [0002] With the increasing pressure on global resources and the environment, environmental protection, energy conservation and emission reduction, and sustainable development have increasingly become social concerns. The future power grid must be able to provide safer, cleaner, more reliable and high-quality power supply, be able to adapt to the needs of multiple energy types for power generation access, and be able to better meet the needs of customers' independent choices. With the development of the electric vehicle industry and the increase in market ownership, the problem of imperfect charging facilities will become increasingly serious. Some small and medium-sized cities don't even have EV charging stations. Therefore, for the further popularization of electric vehicles, the promotion of charging piles on a large scale is the top priori...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/38H02J7/02
CPCH02J3/385H02J7/022Y02E10/56
Inventor 孟超张凤燕孙纯鹏
Owner XIAMEN UNIV
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