Mohsen Arezoomand

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The idea of power system stabilizer (PSS) or supplementary excitation control is to apply a signal through the excitation system to produce additional damping torque of the generator in a power system at all operating and system conditions. In this paper the study of the dynamic behavior and transient stability of the single-machine infinite-bus (SMIB) with(More)
An uninterruptible power supply (UPS) system with two kinds of fitters in the inverter output is analyzed and simulated. The purpose of a voltage controller for UPS irrverters is to produce .stähle output voltage with low distortion under all loading conditions, particularly under nonlinear loads and load transients. The system modeled consists of the(More)
The primary role of an automatic voltage regulator (AVR) is to regulate the reactive power and voltage magnitude. The system modeled consists of the amplifier, exciter, sensor and stabilizer or proportional-integral-derivative (PID) controller. The state-space technique is used to model the system. Their characteristics and behavior are also briefly(More)
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