Starting of a large induction motor connected to a weak network

Abstract

The voltage stability at the receiving end of the radial transmission links is an important issue in distribution system planning and operation. Various kinds of loads cause voltage variation both permanently and when switch in and out. In some case these variation could be considered as disturbances. This thesis analizes voltage drop during starting up induction motor, and introduce some voltage instability prevention methods. At the end a best way of prevention or minimizing the impact also be found out. The analysis is made by SIMPOW software package, computer simulation tools, for both steady state and transient state under time domain simulation.