Proceedings ArticleDOI
TMS320F28335 based single phase overcurrent protection Implementation using Numerical Relay
Gayatri V. Kshirsagar,G. N. Mulay,Saket Yeolekar +2 more
- pp 1-5
TLDR
The paper discusses development of overcurrent protection algorithm based on RMS calculation for single phase circuits using TMS320F28335, a floating point Digital Signal Controller (DSC) based Implementation of Numerical Relay.Abstract:
Power Systems suffer from various types of faults such as Phase and Earth Faults These faults lead to overcurrent in the circuits Numerical Relays embedded with Digital Signal Processor (DSP) can be used to protect the system components as they can perform complex processing faster with higher accuracy and also avoid problem of false tripping DSP based processing can also be optimized for real time In this paper, TMS320F28335 based Implementation of Numerical Relay is discussed TMS320F28335 is a floating point Digital Signal Controller (DSC) Short Time Fourier Transform (STFT) is used to detect the spurious signals and faults more accurately The proposed overcurrent protection system is implemented on real time basis with the help of AntiAliasing filter and Signal Conditioning Circuit to scale the inputs from Current Transformer Anti-Aliasing filter is designed based on the fault current simulation data generated using Power System Simulation Software Fault current patterns generated are analyzed by calculating Fourier Transform coefficients that decide the filter specifications Code Composer Studio (CCS) IDE is used for the development of algorithm The paper discusses development of overcurrent protection algorithm based on RMS calculation for single phase circuits using TMS320F28335 The overcurrent relay Inverse Definite Minimum Time (IDMT) characteristics curves based on the simulated fault current data are used as basis and are implemented for Single Phase Circuitsread more
Citations
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Proceedings ArticleDOI
Modelling of overcurrent relay with inverse characteristics for radial feeder protection using graphical user interface
Param Mehta,Vijay H. Makwana +1 more
TL;DR: A Simulink block with generic design of overcurrent relay is designed incorporating IEC and IEEE standards and is ready to be used for any power system protection scheme, and a user-friendly Graphical User Interface is designed in way that user can easily operate radial feeder protection scheme.
Proceedings ArticleDOI
Modeling Characteristic Curves of Digital Overcurrent Relay (DOCR) for User-Defined Characteristic Curve Using Artificial Neural Network
Anang Tjahjono,Ardyono Priyadi,Margo Pujiantara,Mauridhi Hery Purnomo,Taufik Taufik,Ali O. Shaban,Xiao-Hua Yu +6 more
TL;DR: The results prove that the proposed DOCR with user-defined characteristic curve may serve as a convenient alternative to the conventional DOCR particularly on the implementation phase and demonstrate their successful operation with highly accurate results.
Proceedings ArticleDOI
Identifying inrush currents based on Bayesian recursive algorithm for a numerical overcurrent protection relay
Anh V. Nguyen,Lien B. Nguyen +1 more
TL;DR: A new principle of discrimination between inrush currents and short-circuit currents based on Bayesian recursive algorithm is introduced and helps the relay avoid nuisance tripping of short- circuit protection.
References
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Proceedings Article
Numerical relay for overcurrent protection using TMS320F2812
TL;DR: An overcurrent relay is implemented on a high speed and high performance digital signal processor (DSP) and the relay performance was compared with the IEC 255-3 standard and the outcomes obtained are encouraging.