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Manchester-code-based power electronic conversion system communication control framework

A technology of power electronics and communication control, applied in transmission systems, digital transmission systems, electrical components, etc., can solve the problem that the power electronic system has not been applied, and achieve low programming complexity, good achievability, and high communication speed. Effect

Inactive Publication Date: 2014-11-19
NAVAL UNIV OF ENG PLA
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Problems solved by technology

At present, Manchester codes are widely used in low-power applications such as Ethernet LANs and oil exploration wells, but have not been applied in the field of power electronic systems.

Method used

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  • Manchester-code-based power electronic conversion system communication control framework
  • Manchester-code-based power electronic conversion system communication control framework
  • Manchester-code-based power electronic conversion system communication control framework

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0023] The invention provides a communication control framework of a power electronic converter system based on Manchester code, including a host computer controller and a function controller, the function controller is electrically connected to the host computer controller through an optical fiber, and the function controller is connected to a power switch through an optical fiber The device is electrically connected. The upper computer controller includes the upper computer and the main controller. The upper computer includes an application management control module and a signal processing module that are electrically connected. The optical fiber interface of the upper computer is electrically connected with the optical fiber interface of the main controller. The main controller includes Algorithm and signal processing module and communication...

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Abstract

The invention belongs to the field of power electronic conversion system communication control, and particularly relates to a Manchester-code-based power electronic conversion system communication control framework. According to the invention, the Manchester code with self-synchronizing communication characteristic is adopted as the communication platform; a high-power current transformer centralization control framework and a parallel networking thereof, and distributed control frameworks such as a three-phase distributed chain and a multiphase multilevel modularized structure are adopted; the communication modes are directly applied to power electronic module communication control such as a digital IGBT driver. The Manchester-code-based power electronic variable current system communication control framework has the characteristic of self-synchronizing communication, is simple in realization method, is high in communication rate, is good in reliability, is convenient to make communication protocol, and can satisfy the requirement of communication application on the high-power power electronic conversion system and other power electronic modules.

Description

technical field [0001] The invention belongs to the field of communication control of power electronic converter systems, and in particular relates to a serial synchronous communication control framework based on Manchester encoding and decoding in power electronic converter systems. Background technique [0002] With the continuous improvement of the power level of power electronic converter systems, the requirements for system intelligence, reliability, and maintainability are becoming more and more stringent. As the control center of the power electronic converter system, the communication control framework is very important to the stable and reliable operation of the device. At present, for the control framework of the power electronic converter system, the centralized control framework or distributed control framework based on serial optical fiber communication is basically adopted with the programmable controller as the control core. Among them, the centralized contro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L1/00
Inventor 孙驰任强陈玉林艾胜胡亮灯陈德鹏
Owner NAVAL UNIV OF ENG PLA
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