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Effects of line parameter and fault location errors on model verification of fixed series compensation

With advent in wide area measurement systems (WAMS), measured data from different buses in the power system are now available for calculations. Model verification of power system components is identified to be an application of WAMS. Model verification of series compensation devices can be performed during fault to determine the compensation level and metal-oxide varistor characteristic. Methods for such verification find limitation due to errors in line parameters and fault location. In this study, the effect of these errors on the model verification results is studied. The error in calculated compensation level for different levels of error in line parameter and fault location is determined and the relative errors for error in line parameter and fault location are obtained. Such study is also performed for metal-oxide varistor characteristic and the relative error for this case is obtained. A need to reduce errors in line parameters and fault location is determined and thus a research scope is generated through this study.