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Geomagnetic effects modelling for the PJM interconnection system. II. Geomagnetically induced current study results

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4 Author(s)
F. S. Prabhakara ; Power Technol. Inc., Schenectady, NY, USA ; L. N. Hannett ; R. I. Ringlee ; J. Z. Ponder

The development of a computer program far calculation of geomagnetically induced current (GIC) and a GIC power system model for the Pennsylvania-New Jersey-Maryland Interconnection (PJM) is described. Results of GIC for three different ionospheric source configurations are shown. A new method is presented for estimating GIC in unmetered parts of the system based on a few measurements and precalculated geomagnetic disturbance conditions. The use of an interactive, menu driven GIC program to study mitigation concepts including the effects of line outages, line series capacitors, transformer neutral blocking resistors and transformer neutral blocking capacitors is also presented

Published in:

IEEE Transactions on Power Systems  (Volume:7 ,  Issue: 2 )