International Journal of Electrical Power System and Technology
POWER PLANT MODEL VALIDATION FOR IMPROVING SYSTEM RELIABILITY AND SECURITY
Abstract
Model that represents virtually all practical systems. Power system models are used to demonstrate the systemperformance studies such as generation, load growth estimation, operating limits calculation and (SIPS) system integrityprotective schemes performance computations and all this study depends upon an exact mathematical model representation of thetrans- mission system, generation system and load model. Comparison of performance data of the power system model with theactual system measured data called power system model validation. These Model are needed to validate regularly but practicallythis does not happen. So that the studies derived from these models are not accurate if any model does not show a reasonableobserved phenomenon on the power system.Present work is to investigate the importance of power plant model validation and to examine the state of model validationimplementation and to propose the improvements. Model validation is a crucial process for maintain system reliability and systemsecurity. One of the basic approaches to the model validation is system wide simulation where the active and reactive powers, orvoltage magnitude and frequencies can be compared with the measured data and error can be optimized with sum squared error.This procedure is to outlook as top-down proceed towards verification and comparisons with data measured indicates the qualityof overall model and investigation of the dissimilarity between measured data and simulation data demonstrate which componentin subsystem models need to be revalidate.References (10)
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