基于DSP的变电站综合自动化控制系统研究

doi:10.16180/j.cnki.issn1007-7820.2020.09.013

Abstract

Abstract:

Traditional substation automation system mostly uses single-chip computer as its internal core processor. This system not only has simple functions, but also has poor ability to deal with complex problems. In order to solve the above problems, a set of substation integrated automation control system based on DSP is developed in this paper. The system can monitor, measure, controls and coordinate the real-time operation status of substation equipment by analyzing and processing the collected data by DSP combined with communication and computer technology. Experiments and test results show that the automation system can better complete the functions of automatic monitoring and control of secondary equipment in substation, and significantly improves the efficiency of data transmission and sharing among electrical equipment in substation.

Key words: digital signal processing, A/D conversion, measurement and control and protection unit, communication network, automatic control

CLC Number:

TP273

CHEN Guizhou. Research on Substation Integrated Automation Control System Based on DSP[J].Electronic Science and Technology, 2020, 33(9): 75-78.

Figures/Tables 7

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Figure 4.

Table 1

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References 16

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输入电压/V	电压通道	实测值/V	实测误差/%	结论
120	U_A	120.018	0.015	正常
	U_B	120.044	0.037
	U_C	120.031	0.026
80	U_A	80.052	0.065	正常
	U_B	80.026	0.035
	U_C	80.007	0.008
40	U_A	39.914	-0.215	正常
	U_B	39.946	-0.135
	U_C	39.983	-0.043

输入电流/A	电流通道	实测值/A	实测误差/%	结论
6	I_A	5.995	-0.080	正常
	I_B	5.997	-0.050
	I_C	5.993	-0.116
4	I_A	3.998	-0.050
	I_B	3.996	-0.100
	I_C	3.995	-0.125
2	I_A	1.998	-0.100	正常
	I_B	1.999	-0.050
	I_C	1.996	-0.200

项目		技术要求	分析结果	结论
快速瞬变脉冲	遥信	变位20次	显示正确	正常
快速瞬变脉冲	遥控	遥控20次	动作正确	正常
浪涌干扰	遥信	变位20次	显示正确	正常
浪涌干扰	遥控	遥控20次	动作正确	正常
高频干扰	遥信	变位20次	显示正确	正常
高频干扰	遥控	遥控20次	动作正确	正常

Research on Substation Integrated Automation Control System Based on DSP

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