El Efecto del Mmodelado del Motor de Inducción en el Contexto de Sensitividad de Voltaje: De Cargas Combinadas y Potencia Reactiva de Generación, en el Análisis en Estado Estable de Redes Eléctricas (The Effect of Induction Motor Modeling in theContext of Voltage Sensitivity: Combined Loads and Reactive Power Generation, on Electric Networks Steady State Analysis)

Eduardo Tovar - González (egtovar@iie.org.mx)

Insituto de Investigaciones Eléctricas
This paper appears in: Revista IEEE América Latina

Publication Date: June 2012
Volume: 10,   Issue: 4 
ISSN: 1548-0992

This paper presents the steady state induction motor modeling, since these devices have significant impact on voltage stability of Electric Power Systems. This work is carried out in the context of voltage dependency of both: combined loads and reactive power generation. In studies of induction motor voltage stability, the modeling of electrical parameters of this device is as important of the stiffness of electrical system itsef. Besides, the synchronous generator considers voltage reactive power limits due to maximum armature current, maximum and minimum field current as well as under excitation limiters. In this development, the analysis tool is the Jacobian Matrix Minimum Singular Value (MSV) of the load flow formulation and its associated left and right Singular Vectors. This induction motor model is included in an ordinary load flow program and results from studies of a 9 bus system, are presented.

Index Terms:
Power Flow, Active and Reactive Power, Minimum Singular Value, Induction Motor, Votlage Dependency   

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