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Effect of HVDC line faults on transient torsional torques of turbine-generator shafts

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2 Author(s)
Shi, W. ; Dept. of Electr. Eng., Xi''an Jiaotong Univ., China ; Iravani, M.R.

This paper investigates the effects of HVDC line faults, line de-energization, and line re-energization on the transient torsional stresses of steam turbine-generator (T-G) units. The studies are conducted on a bipole HVDC system which connects a T-G set to a large AC system. The shaft transient stresses of the T-G set as a result of HVAC line fault, fault clearing, and automatic reclosure are also determined when the HVDC transmission system is replaced by an equivalent double-line HVAC system. The EMTDC program is used for the simulation studies

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Power Systems, IEEE Transactions on  (Volume:9 ,  Issue: 3 )