摘要：Development of the European energy market,combined with development of renewable power generation sources result in increased power transfers within the grid,including undesirable loop flows.If such floks occur near power stations on a single line (e.g.exchange line) they might cause some threats related to potential line trips and reconnections.Trip of a heavily loaded Line considerably distorts active and reactive power balance in the area of the power plant in question.Reconnection of a tripped line with significant voltage angle difference causes strong torque variations on the shaft of a turbinegenerator unit.This paper presents results of a simulation of electromagnetic and electromechanical phenomena which occur if a heavily loaded transfer line connected to a switchyard of a large power station with turbine generators is tripped and then reconnected.
