Neural Network Based Approach for Steady-State Stability Assessment of Power Systems

Tayo Uthman Badrudeen (), Nnamdi I. Nwulu and Saheed Lekan Gbadamosi
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Tayo Uthman Badrudeen: Center for Cyber Physical Food, Energy and Water Systems, University of Johannesburg, Johannesburg 2006, South Africa
Nnamdi I. Nwulu: Center for Cyber Physical Food, Energy and Water Systems, University of Johannesburg, Johannesburg 2006, South Africa
Saheed Lekan Gbadamosi: Center for Cyber Physical Food, Energy and Water Systems, University of Johannesburg, Johannesburg 2006, South Africa

Sustainability, 2023, vol. 15, issue 2, 1-13

Abstract: The quest for an intelligence compliance system to solve power stability problems in real-time with high predictive accuracy, and efficiency has led to the discovery of deep learning (DL) techniques. This paper investigates the potency of several artificial neural network (ANN) techniques in assessing the steady-state stability of a power system. The new voltage stability pointer (NVSP) was employed to parameterize and reduce the input data to the neural network algorithms to predict the proximity of power systems to voltage instability. In this study, we consider five neural network algorithms viz. feedforward neural network (FFNN), cascade-forward neural network (CFNN), layer recurrent neural network (LRNN), linear layer neural network (LLNN), and Elman neural network (ENN). The evaluation is based on the predictability and accuracy of these techniques for dynamic stability in power systems. The neural network algorithms were trained to mimic the NVSP dataset using a Levenberg-Marquardt (LM) model. Similarly, the performance analyses of the neural network techniques were deduced from the regression learner algorithm (RLA) using a root-mean-squared error (rmse) and response plot graph. The effectiveness of these NN algorithms was demonstrated on the IEEE 30-bus system and the Nigerian power system. The simulation results show that the FFNN and the CFNN possess a relatively better performance in terms of accuracy and efficiency for the considered power networks.

Keywords: voltage stability; machine learning (ML); neural network (NN); new voltage stability pointer (NVSP); steady-state stability (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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