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Tuesday, August 05, 2014
11:00 AM - 12:30 PM
CNLS Conference Room (TA-3, Bldg 1690)

Seminar

Distribution network dynamics under the voltage fault

Irina Stolbolva
Moscow Institute of Physics and Technology

The origin of Fault-Induced Delayed Voltage Recovery phenomenon is mainly connected with the presence of numerous induction motors in the distribution line. To better understand this event we analyze the dynamics of the distribution circuit loaded with induction motors and subjected to the voltage changes at the head of the line. The motors’ interactions together with electrical power flows and circuit voltage properties result in existence and propagation of normal and stalled motor phases. After studying the dynamics of the homogeneous line we focus on the contribution of the disorder, i.e. the inhomogeneity of induction motors, and the dynamics of the branch-structured circuit.

Host: Misha Chertkov