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FPGA (field programmable gate array) based FT3 frame transmitting method and device

A technology of trigger mode and frame length, applied in the direction of transmission modification based on link quality, digital transmission system, electrical components, etc., can solve the problem of large memory usage, achieve short development cycle, fast and convenient test work, and simple structure Effect

Active Publication Date: 2017-01-25
JILIN ELECTRIC POWER RES INST +1
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  • Description
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Problems solved by technology

[0004] In view of this, the embodiment of the present invention provides an FPGA-based FT3 frame sending method and device to solve the problem in the prior art that the camera application occupies too much memory of the mobile terminal during operation

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  • FPGA (field programmable gate array) based FT3 frame transmitting method and device
  • FPGA (field programmable gate array) based FT3 frame transmitting method and device
  • FPGA (field programmable gate array) based FT3 frame transmitting method and device

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Embodiment Construction

[0022] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

[0023] figure 1 Shown is a structural block diagram of an apparatus for sending an FT3 frame based on a Field-Programmable Gate Array (FPGA) provided by an embodiment of the present invention, and the apparatus can be specifically applied to a device serving as a link layer protocol in a smart grid. refer to figure 1 , the structure includes an interface module 11, a secondary cache module 12, a...

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Abstract

The invention is applicable to the technical field of smart power grids and provides an FPGA (field programmable gate array) based FT3 frame transmitting method and device. The method comprises steps as follows: an interface module receives externally output configuration data; when a data judgment module judges that an FT3 frame in a default format is effective, a second-level caching module performs second-level caching on the FT3 frame in the default format; when the data judgment module judges that the length of data stored in the second-level caching module is an integral multiple of the length of the FT3 frame in the default format, a data encoding module encodes the data stored in the second-level caching module according to an output mode of the FT3 frame and a clock count value, and FT3 code stream is generated and output to a first-level caching module; the first-level caching module outputs the FT3 code stream according to an FT3 frame trigger mode. The FPGA based FT3 frame transmitting method and device have the advantages of being short in development period, convenient to use and high in extendibility.

Description

technical field [0001] The invention belongs to the technical field of smart grids, and in particular relates to an FPGA-based FT3 frame sending method and device. Background technique [0002] FT3 is the frame transmission format specified in the IEC60044-7 / 8 standard. It is an electronic current / voltage transformer standard formulated by the International Electrotechnical Commission (IEC). FT3 is widely used in digital substations, specifically in electronic The interaction between the type current / voltage transformer and the bus merging unit, the interaction between the bus merging unit and the bay merging unit, the data interaction between the merging unit and the measurement and control device, and the cascading between the merging unit domains. [0003] According to the IEC60044-7 / 8 statute, "Q / GDW441-2010 Smart Substation Relay Protection Specification" and "DL / T282-2012 Merging Unit Technical Conditions" stipulations, the encoding method adopted by the link layer of ...

Claims

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Application Information

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IPC IPC(8): H04L1/00
CPCH04L1/0015
Inventor 于旭田利唐伟宁孔凡强孙旭李雨田姜瀚书徐博王佳颖张悦高长征
Owner JILIN ELECTRIC POWER RES INST
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