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Frequency-dependent AC system equivalents for harmonic studies and transient convertor simulation

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2 Author(s)
Watson, N.R. ; Canterbury Univ., New Zealand ; Arrillaga, J.

A technique for the the generalization of the impedance loci is described. This technique is capable of displaying the complete frequency response of any given power system including multiphase-related effects such as phase asymmetries and mutual couplings. This information is used to derive frequency-dependent equivalent circuits suitable for integration in the time-domain solutions of power-system waveforms. Direct and optimization techniques are used in the derivation of the equivalent circuits. Their effects on impedance frequency matching and computational efficiency are compared

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Power Delivery, IEEE Transactions on  (Volume:3 ,  Issue: 3 )