Series and Shunt Compensation of Transmission Lines: The performance of long EHV AC transmission systems can be improved by reactive compensation of series or shunt (parallel) type. Series capacitors and shunt reactors are used to…
Trends in Voltage Stability of Power Systems: Trends in Voltage Stability of Power Systems - The present day transmission networks are getting more and more stressed due to economic and environmental constraints. The trend is…
Prevention of Voltage Collapse in Power System: Prevention of Voltage Collapse in Power System is given by 1. Application of reactive power-compensating devices: Adequate stability margins should be ensured by proper selection of compensation schemes…
Voltage Stability Analysis: The voltage stability analysis for a given system state involves examining following two aspects. Proximity to voltage instability: Distance to instability may be measured in terms of physical quantities, such as load…
Mathematical Formulation of Voltage Stability: Mathematical Formulation of Voltage Stability - The slower forms of voltage instability are normally analyzed as steady state problems using power flow simulation as the primary study method. "SnapÂshots" in…
Voltage Stability in Power System: Voltage Stability in Power System - Voltage control and stability problems are very much familiar to the electric utility industry but are now receiving special attention by every power system…
Long Term Load Forecasting in Power System: Long Term Load Forecasting - If the load forecasts are required for planning purposes, it is necessary to select the lead time to lie in the range of…
Kalman Filtering Approach: The time series approach has been widely employed in dealing with the load forecasting problem in view of the relative simplicity of the model forms. However, this method tends to ignore the…
Time Series Forecasting Methods: If yd(k) is subtracted from the sequence y(k), the result would be a sequence of data for the stochastic part of the load. We have to identify the model for ys(k)…
Estimation Techniques of Periodic Components: Estimation Techniques of Periodic Components - The deterministic part of the load may contain some periodic components in addition to the average and the polynomial terms. Consider for example the…
