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Energy conversion system

An energy conversion system, a technology of DC converters, applied in battery load switching, transportation and packaging, electric vehicles, etc., can solve the problems of low production cost, low power conversion rate, low reliability, etc.

Active Publication Date: 2017-06-27
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The circuit structure of the existing energy conversion system is usually relatively complex, with low reliability, large space occupation and low production cost
In addition, the existing energy conversion system still has the problem of low power conversion rate in the DC conversion link.

Method used

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  • Energy conversion system
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Embodiment Construction

[0011] As used herein, "comprises," "comprising," or "having" and similar words mean that in addition to the items listed thereafter and their equivalents, other items may also be within the scope. Approximate terms in the present application are used to modify the quantity, which means that the present invention is not limited to the specific quantity, but also includes the modified parts that are close to the stated quantity, acceptable, and will not cause changes in the relevant basic functions.

[0012] In the specification and claims, unless clearly stated otherwise, all items are not limited to singular or plural. "First", "second" and similar words used in the patent application specification and claims of the present invention do not indicate any order, quantity or importance, but are only used to distinguish different materials or embodiments.

[0013] Unless the context clearly dictates otherwise, the terms "or" and "or" do not imply exclusion, but mean that at least...

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Abstract

The invention relates to an energy conversion system, which comprises a charging assembly and a power supply assembly, wherein the charging assembly comprises a waveform conversion circuit coupled to a DC voltage source and a transformation module connected with the waveform conversion circuit; the power supply assembly is coupled between a DC battery and a motor for transmitting energy in the DC battery to the motor in a power supply mode; the power supply assembly comprises a DC / DC converter for lifting DC voltage from the DC battery and a DC / AC converter for converting the lifted DC voltage to AC voltage for being provided to the motor; the DC / DC converter comprises an inductor coupled to the DC battery and multiple switching units; and at least part of the multiple switching units and the inductor and the charging assembly form a charging circuit in a charging mode for providing power for the DC battery.

Description

technical field [0001] The invention relates to the technical field of energy conversion, in particular to an energy conversion system suitable for electric vehicles. Background technique [0002] The charging problem of electric vehicles has always been the main factor hindering the development of the electric vehicle industry. How to efficiently and conveniently convert the electric energy in the grid into the chemical energy in the battery of electric vehicles has always been an urgent problem in the electric vehicle industry. The circuit structure of the existing energy conversion system is usually relatively complex, has low reliability, takes up a large space, and has low production cost. In addition, the existing energy conversion system still has the problem of low power conversion rate in the DC conversion link. [0003] Therefore, it is necessary to provide a new energy conversion system suitable for electric vehicles to solve at least one of the above technical p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00
CPCH02J7/0068
Inventor 吴涛李飞刘昌金
Owner GENERAL ELECTRIC CO