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Inverter and inverter control method

A control method and inverter technology, which is applied in the direction of control/regulation systems, instruments, and adjustment of electrical variables, etc., can solve the problems of low conversion efficiency of traditional inverters, and achieve the effect of ensuring constant voltage control

Active Publication Date: 2021-11-12
HUIZHOU FACTORY JECKSON ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, traditional inverters use multiple chips and multiple drive circuits, and in the process of DC-AC conversion, multiple additional information and communication circuits are required for signal transmission, which leads to low conversion efficiency of traditional inverters

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Embodiment Construction

[0045] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. Embodiments of the application are given in the drawings. However, the present application can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of this application more thorough and comprehensive.

[0046] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs. The terms used herein in the specification of the application are only for the purpose of describing specific embodiments, and are not intended to limit the application.

[0047] It can be understood that the terms "first", "second" and the like used in this application may be...

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Abstract

The invention relates to an inverter and an inverter control method. Direct current voltage of a primary access module is converted into required alternating current output voltage through the inverter formed by a micro-control module, a primary boosting module and a secondary alternating current output module. The micro-control module respectively controls the primary boost module and the secondary AC output module to carry out conversion by outputting a first control signal and a second control signal. Meanwhile, the inverter can monitor the primary direct current input voltage and the primary current and obtain the accurate feedback adjusting quantity to continuously adjust the second control signal. Therefore, the secondary alternating-current output module is driven and controlled according to the second control signal, so that the purpose of controlling and adjusting the inverter output voltage and power is achieved, and constant-voltage, current-limiting and power-limiting control is ensured.

Description

technical field [0001] The invention relates to the technical field of voltage conversion control, in particular to an inverter and an inverter control method. Background technique [0002] With the intensification of the global energy crisis and the continuous improvement of people's awareness of environmental protection, lithium-ion batteries have outstanding advantages such as high energy density, environmental friendliness, no memory effect, long cycle life, and less self-discharge. It has developed rapidly in recent years. Furthermore, as the development of lithium batteries gradually matures, DC-AC inverter power supplies using batteries are widely used. The pulse width modulation (Pulse Width Modulation, PWM) control is used as the control core of the inverter power supply. The basic principle of the inverter design circuit is to first convert the DC 12V voltage provided by the battery into a 370V / 50kHz DC voltage through high-frequency PWM switching power supply te...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M3/335H02M7/5387
CPCH02M3/33569H02M7/53871Y02B70/10
Inventor 林志坚邹常铭
Owner HUIZHOU FACTORY JECKSON ELECTRIC