Newton-Raphson Power-Flow Analysis Including Induction Motor Loads

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Pichai Aree

Abstract

This paper presents an extended method of Newton-Raphson power flow algorithm to incorporate nonlinear model of induction motor loads. The proposed method is used for finding correct power system operating conditions, which can be employed for solving the problem of initializing the dynamic models of induction motor for stability studies. The power flow solution with a group of induction motor loads is demonstrated through 14buses industrial power system. Moreover, the computational efficiency of the extended algorithm has been investigated using IEEE-30buses network. The results show that this algorithm gives an exact solution of motor’s active and reactive powers that are related with converged slips, terminal voltages, and mechanical torque profiles. Furthermore, the extended algorithm shows a good convergent characteristic in quadratic manner.

Article Details

How to Cite
Aree, P. (2011). Newton-Raphson Power-Flow Analysis Including Induction Motor Loads. ECTI Transactions on Electrical Engineering, Electronics, and Communications, 10(1), 74–79. https://doi.org/10.37936/ecti-eec.2012101.170466
Section
Electrical Power Systems

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