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Unformatted text preview: o Pi model o Simplifications: medium & short length line, lossless o Ideal transformers o Real transformers: core loss, leakage, finite core mu o Transformer equivalent circuit • Lecture 9 o Referring o Open circuit/short circuit tests o Per unit o 3 phase per unit o Change of base o 3 phase transformers (Y-Y, Y-delta, delta-delta) • Lecture 10 o Special transformers: LTC, phase shifting, autotransformers o Low probability high impact events o Load model o Generator model o Linear vs nonlinear • Lecture 11 o Ybus o Modification: shunts o V-I relationship o Power flow equations • Lecture 12 o Iterative methods: gauss iteration o Slack bus o Gauss-seidel o PF bus types • Lecture 13 o Newton Raphson o Jacobian...
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This note was uploaded on 11/17/2011 for the course ECE 476 taught by Professor Overbye,t during the Fall '08 term at University of Illinois, Urbana Champaign.
- Fall '08