High-voltage power electronic transformer driving system and method based on wireless power transmission

A technology of wireless power transmission and electronic transformer, applied in the field of power distribution and transformation, to achieve the effect of improving fault tolerance, realizing transmission electromagnetic field, and preventing straight-through short circuit

Active Publication Date: 2020-07-03
SHANDONG LUNENG SOFTWARE TECH +3
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

It is generally difficult for traditional contact-type isolated power supplies to achieve high-isolation, high-voltage time-sharing power supply and control functions on such a scale

Method used

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  • High-voltage power electronic transformer driving system and method based on wireless power transmission
  • High-voltage power electronic transformer driving system and method based on wireless power transmission
  • High-voltage power electronic transformer driving system and method based on wireless power transmission

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Embodiment Construction

[0042] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0043] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0044] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinatio...

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Abstract

The invention discloses a high voltage power electronic transformer driving system and method bases on wireless electric energy transmission. The high voltage power electronic transformer driving system and method bases on wireless electric energy transmission are characterized in that a resonant wireless electric energy transmission technology is utilized; an inductance coil is used to sent the resonant frequency electric energy to a receiving end driving device in a remote wireless mode; through rectification and DC / DC conversion, on voltage and off voltage are generated, and are used as the voltage and the electric energy demanded by on / off of switch tubes; the wireless electric energy transmission means can realize high voltage resistant electrical isolation through an air gap, thus satisfying the demand for allowing the switch tubes to drive the high voltage grade of potential reference points to rise and the high electrical isolation degree demand; different resonant frequency can be applied to the driving device to avoid generation of cofrequency electromagnetic interference, thus realizing mutual separation of driving and power supply in the physical aspect and reducing electromagnetic coupling and interference between each switch tube; a PWM electric pulse signal is controlled to accept photoelectric conversion, and an optical signal is transmitted through fiber between the sending end driving device and the receiving end driving device, so that optical coupler isolation is realized.

Description

technical field [0001] The invention belongs to the field of power distribution and transformation, and in particular relates to a high-voltage power electronic transformer drive system and method based on wireless energy transmission. Background technique [0002] The power transformer is an irreplaceable core equipment of the power system. It plays an important role in voltage conversion, electrical isolation and energy transmission. However, the traditional power transformer has too single function and cannot meet the requirements of the grid for new power equipment. [0003] The power electronic transformer is the integration and optimization of the electromagnetic induction principle of the transformer and the power electronic technology. It is the key equipment to realize the access of new energy and build a strong smart grid. A variety of new energy access, while realizing power flow control reactive power compensation, harmonic control, and improve power quality. A ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M1/088H02J50/12H02J50/80H02M5/458H02M7/219H02M1/38
CPCH02J50/12H02J50/80H02M1/088H02M1/38H02M5/4585H02M7/219
Inventor 王瑞琪吕伟龙石鑫李笋王超赵鹏田崇翼李伟胡俊鹏胡旭冉
Owner SHANDONG LUNENG SOFTWARE TECH
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