2007•Journal of Shanghai University of Electric PowerRequires access

Research on Power Frequency Overvoltage of Unloaded Line Based on PSCAD/EMTDC

TU Yi-yun

Abstract

The power frequency overvoltage of unloaded line because of the capacity effect is studied,and the effect of eliminating power frequency overvoltage using shunt reactors is analyzed.The theoretical results are validated by PSCAD/EMTDC simulation,and the simulation results also show that when shunt reactor is installed at the receiving end of transmission line the effect of restraining overvoltage is strongest and is related to the degree of compensation.

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Key concepts: Overvoltage, Transmission line, Engineering, Electrical engineering, Compensation (psychology), Electric power transmission, Shunt (medical), Line (geometry)