EQUIVALENT IMPEDANCE OF LIGHTNING AND SCHEME OF X-NODE WITH LIGHTNING, N-LINES AND LUMPED IMPEDANCE TO THE GROUND
Publish place: 9th International Power System Conference
Publish Year: 1373
Type: Conference paper
Language: English
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Document National Code:
PSC09_056
Index date: 10 September 2007
EQUIVALENT IMPEDANCE OF LIGHTNING AND SCHEME OF X-NODE WITH LIGHTNING, N-LINES AND LUMPED IMPEDANCE TO THE GROUND abstract
Nonlinear electrodynamic characteristics of the return stroKe wave of cloud-to-ground lightning (equivalent Z(eq) impedance and phase V(ph) velocity) are estimated on the basis of the approximate description of the return stroKe using quasi-linear Partial differential equations. These equations contain nonlinear Parameters which depend on instantaneous values of the current in the front of the wave. Besides, a method for calculation of overvoltages on the High Voltage line of worked out for the case of direct lightning stroke, taxing into account nonlinear impedance of lightning and wave Processes in the line.
EQUIVALENT IMPEDANCE OF LIGHTNING AND SCHEME OF X-NODE WITH LIGHTNING, N-LINES AND LUMPED IMPEDANCE TO THE GROUND Keywords:
EQUIVALENT IMPEDANCE OF LIGHTNING AND SCHEME OF X-NODE WITH LIGHTNING, N-LINES AND LUMPED IMPEDANCE TO THE GROUND authors
KostenKo
State Technical university of St.-Petersburg, RUSSIA
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