To study the voltage stability limits of distributed generation using induction machine in distribution networks

Abstract

There are now a lot of distributed generation (DG) using asynchronous machinesare connected to power distribution grid. These machines do not usually generate reactive power, evenconsume reactive power, so they generally affect the voltage stability of whole power grid, and cancause instability in itself it is no longer balanced by the torque to work. In this paper, we investigate thevoltage stability problem of the asynchronous machine of wind turbines used in power distributionnetworks. From the static model of the asynchronous machine, this paper will apply the pragmaticcriteria to analysis the voltage stability of the asynchronous machine based on the results of the powerflow in power distribution network.