符合FT3帧格式的电子式互感器的仿真研究

doi:10.16182/j.issn1004731x.joss.201801039

系统仿真学报 ›› 2018, Vol. 30 ›› Issue (1): 298-303.doi: 10.16182/j.issn1004731x.joss.201801039

符合FT3帧格式的电子式互感器的仿真研究

于飞, 张海龙, 孙庆乐

青岛科技大学自动化与电子工程学院,山东青岛 266042

收稿日期:2015-09-30 发布日期:2019-01-02
通讯作者: 张海龙,男,山东聊城,硕士生,研究方向为控制科学与工程;孙庆乐(1990),男,山东聊城,硕士生,研究方向为控制科学与工程
作者简介:于飞(1961-),男,河南郑州,博士,教授,研究方向为智能控制。

Simulation of Electronic Transformer in Line with FT3 Frame Format

Yu Fei, Zhang Hailong, Sun Qingle

College of Automation and Electronic Engineering, Qingdao University of Science and Technology, Qingdao 266042, China

Received:2015-09-30 Published:2019-01-02

摘要/Abstract

摘要： 在电力系统中,基于Rogowski线圈的电子式电流互感器在数字变电站中的应用已十分普及。在对电子式互感器的组成及结构分析的基础上,通过matlab的simulink对电子式互感器进行了模拟仿真。Rogowski线圈来模拟传统的电磁式互感器,通过Σ-Δ ADC转换器及数字滤波器环节将高压侧的模拟量转换为数字量输出,并通过simulink实现FT3格式组帧后经光纤以太网送至FPGA开发板,经曼码编解码及CRC校验送至互感器接口合并单元中。通过实验验证网络接口得到了FT3帧格式数据,满足设计要求。

关键词: Rogowski线圈, Σ-ΔADC, FT3, FPGA

Abstract: In the power system, electronic current transformer based on the Rogowski coil has been widely used in digital substation. Based on the analysis of its composition and structure, the electronic transformer is simulated by the Simulink module in Matlab. Rogowski coil is used to simulate the traditional transformer. Using Σ-Δ ADC converter and digital filter, analog signal from the high-pressure side is converted to digital output data, which is sent via fiber optic Ethernet to FPGA development board after FT3 format framing by Simulink. The data is then sent to the merged unit of transformer’s interface after Manchester encoding and decoding, and CRC check. The network’s interface gets the FT3 frame format data which satisfies the design’s requirement.

Key words: Rogowski coil, Σ-ΔADC, FT3, FPGA

中图分类号:

TM45

于飞, 张海龙, 孙庆乐. 符合FT3帧格式的电子式互感器的仿真研究[J]. 系统仿真学报, 2018, 30(1): 298-303.

Yu Fei, Zhang Hailong, Sun Qingle. Simulation of Electronic Transformer in Line with FT3 Frame Format[J]. Journal of System Simulation, 2018, 30(1): 298-303.

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符合FT3帧格式的电子式互感器的仿真研究

Simulation of Electronic Transformer in Line with FT3 Frame Format

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