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An Unified Power Flow Controller (UPFC) is a typical Flexible AC Transmission System (FACTS) device playing a vital role as a stability aid for large transient disturbances in an interconnected power system. This paper deals with the design of Feedback Linearising Controller (FBLC) for UPFC. The 3-phase fault is created on the SMIB system and the results are simulated. The results proved the supremacy...
This paper covers the modelling of the standard IEEE 14 bus system using the MATLAB package. The basic system is tested under large and small disturbances to study the dynamic behaviour of the system and the stability margins associated with the different configurations of the system. As a suggested solution to increase stability margins of the system, Sen transformer is added, modelled and tested...
This paper presents the concept of utilizing photovoltaic (PV) solar farm (SF) as flexible ac transmission system controller-static synchronous compensator, to regulate the point of common coupling voltage during night time when the SF is not producing any active power. The proposed control will enable increased connections of WECS to the grid. MATLAB/Simulink based simulation results are presented...
We present a new method that uses the pulse oximeter signal to estimate the respiratory rate. The method uses a recently developed time-frequency spectral estimation method, variable-frequency complex demodulation (VFCDM), to identify frequency modulation (FM) of the photoplethysmogram waveform. This FM has a measurable periodicity, which provides an estimate of the respiration period. We compared...
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