aryР 2 Weighted Least Squares State EstimationР 2.1 IntroductioР 2.ponent Modeling and AssumptionsР 2.2.1 Transmission LinesР 2.2.2 Shunt Capacitors or ReactorsР 2.2.3 Tap Changing and Phase Shifting TransformersР 2.2.4 Loads and GeneratorsР 2.3 Building work ModelР 2.4 Maximum Likelihood EstimationР 2.4.1 Gaussian (Normal) Probability Density FunctionР 2.4.2 The Likelihood FunctionР 2.5 Measurement Model and AssumptionsР 2.6 WLS State Estimation AlgorithmР 2.6.1 The Measurement Function, A(a^)Р 2.6.2 The Measurement Jacobian, RР 2.6.3 The Gain Matrix, GР 2.6.4 Cholesky position of (7Р 2.6.5 Performing the Forward/Back SubstitutionsР 2.7 Decoupled Formulation of theР WLS State EstimationР 2.8 DC State Estimation ModelР 2.9 ProblemsРCopyright 2004 by Marcel Dekker, Inc. All Rights Reserved.