NDLI: Transmitting Systems Dynamics in SCADA using Uneven Sampling / Cubic Spline Interpolation based Data Compression

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Transmitting Systems Dynamics in SCADA using Uneven Sampling / Cubic Spline Interpolation based Data Compression

Content Provider	Semantic Scholar
Author	Qiangqiang, Sun Huijun, Qiu Meng, Cai
Copyright Year	2015
Abstract	Grasping power system dynamic information is helpful for dispatcher in the control center to take correct control action in time under emergency condition. Traditionally, Supervisory Control and Data Acquisition (SCADA) cannot transmit power system dynamics information since it updates system information once every several seconds. Based on the development of substation automation system, a data compression based approach is proposed in this paper to transmit power system dynamics information in existing SCADA. An uneven sampling is utilized to extract the feature points that determine the profile of system dynamics. Thereafter, these feature points contain dynamic information is transmitted from Remote Terminal Units to the control center. The system dynamics can thus be reconstructed with cubic spline interpolation. Numerical simulation on a 36 nodes system suggests that the system dynamics could be transmitted with high fidelity in existing SCADA using the proposed approach. Moreover, the proposed approach can be implemented in SCADA with limited software update.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://benthamopen.com/contents/pdf/TOEEJ/TOEEJ-8-544.pdf
Alternate Webpage(s)	http://benthamopen.com/contents/pdf/TOEEJ/TOEEJ-8-544.pdf
Language	English
Access Restriction	Open
Subject Keyword	Burns, Electric CNS disorder Computation Computer simulation Cubic Hermite spline Cubic function Data acquisition Data compression Electric Power Supplies Interpolation Imputation Technique Patch (computing) Remote terminal unit Sampling (signal processing) Sampling - Surgical action Server (computer) Server (computing) Simulation Spline (mathematics) Spline interpolation System Information (Windows) System dynamics Traction substation disease transmission
Content Type	Text
Resource Type	Article

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