High-speed optical fiber ring network communication network control topology of large-capacity power electronic system

A technology of power electronics and communication network, which is applied in the field of high-speed optical fiber ring network communication network control topology of large-capacity power electronics system, and can solve the complex communication protocol and software programming, multi-node power electronic conversion system, high switching frequency application limitations, etc. problems, to achieve the effects of easy reconfiguration, simplified communication protocol, and high communication rate

Inactive Publication Date: 2014-07-09
NAVAL UNIV OF ENG PLA
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Problems solved by technology

Although the distributed converter system based on this network topology has the advantages of simple system, good versatility, and easy reconfiguration, but due to the large inherent network delay in the network itself, the power electronic converter system has multiple Node, high switching frequency applications are limited; in addition, complex data and command receiving, saving, transmitting and sending processes also make communication protocols and software programming relatively complex

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  • High-speed optical fiber ring network communication network control topology of large-capacity power electronic system
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  • High-speed optical fiber ring network communication network control topology of large-capacity power electronic system

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Embodiment

[0018] Embodiment: the high-speed optical fiber ring network communication network control topology of the present invention is as follows figure 1 As shown, it consists of 1 master node and n slave nodes. The function of the master node is to send the system power-on command, receive the fault status of each slave node and the disconnection fault in the ring network, send the synchronization command signal of the system and receive the synchronization information fed back by each node, and send the information required by each node of the system. Control data and command information and receive the data fed back by each node; the function of the slave node is to receive various information sent by the previous node (master node or slave node), and then respond to the information related to the slave node, such as the power-on / off command , synchronization commands, control data and command information, etc., and send the information of other slave nodes, the fault status and ...

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Abstract

The invention discloses a high-speed optical fiber ring network communication network control topology of a large-capacity power electronic system. The control topology comprises a main node, multiple slave nodes, an on-off machine network, a fault protective network, a synchronization network and a high-speed data communication network. The control topology is high in communication speed, simple in structure, good in synchronization effect, high in distributed modularization and high in reliability.

Description

technical field [0001] The invention relates to the technical field of high-power electric energy conversion, in particular to a high-speed optical fiber ring network communication network control topology of a large-capacity power electronic system. Background technique [0002] With the continuous development and progress of social economy, the development and application of large-capacity power electronic converters based on the combination of multiple standard module units or multi-phase multi-level topology are becoming more and more extensive. At present, for the control of power electronic converter devices, centralized control structures and methods are generally adopted. For conventional small and medium-capacity power electronic converters, due to the compact and highly centralized topology and hardware structure, the centralized control method is a simple, reliable and practical method; however, for large-capacity power electronic converters In general, complex m...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/25H04B10/275
Inventor 孙驰张成艾胜胡亮灯陈德鹏陈玉林任强
Owner NAVAL UNIV OF ENG PLA
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