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This paper explores methodologies to use a three-phase self excited induction generator (SEIG) for providing single phase power using appropriate renewable energy sources with suitable prime movers. It presents the general operating principle and steady-state analysis of a three-phase self excited induction generator (SEIG) having star/delta connected stator winding feeding three-phase balanced/unbalanced...
The performance of three-phase Self-Excited Induction Generator (SEIG) with Static Synchronous Series Compensator (SSSC) is investigated to feed various static loads. The employed SSSC is a three-phase, Insulated Gate Bipolar Transistor (IGBT) based, PWM operated, Current-Control Voltage source converter (CC-VSC). The reference current to generate the gating signals is obtained by employing only one...
Steady state analysis of single-phase self excited induction generator is almost always carried out using the concepts of symmetrical components and the rotating field theories. The machine is modeled through its positive and negative sequence circuits with appropriate parameters pertaining to forward and backward fields. The final expression obtained through these analyses is a complex nonlinear...
Self-excited induction generators are increasingly being used in remote areas to generate electrical power from both conventional and nonconventional energy sources. This paper describes a method of evaluating the steady state characteristics of a single-phase as well as a three-phase induction generator for stand-alone operation. The steady state problem is formulated in a very general way so that...
Induction generators operating in a stand-alone mode are increasingly being used in isolated areas. Such a generator has very poor voltage regulation. This paper proposes a simple thyristor-switched capacitor (TSC) type voltage regulator for a stand-alone induction generator to maintain voltage within the upper and lower acceptable limits. The capacitor size in each TSC branch is selected very carefully...
Self-excited induction generators are increasingly being used in remote areas to generate power from wind and mini-hydro turbines. A number of small size induction generators are usually connected in parallel to utilize the full potential of the wind and mini-hydro sites. This paper experimentally evaluates the steady state characteristics of an autonomous small-scale off-grid generation scheme consisting...
This paper presents the analysis of dynamic and steady state performance of a self excited induction generator (SEIG) with digitally controlled electronic load controller (ELC) feeding single phase loads. The excitation capacitors, electronic load controller, 1-phase load in conjunction with the d-q model of the 3-phase induction machine taking into account the saturation effect are used to predict...
This paper presents a comparison of time-domain dynamic models used for a fixed-speed induction generator. Two types of the models are developed on the basis of 5th order equations and 3rd order equations. The models are constructed and implemented using MATLAB/Simulink. Case studies are performed with particular consideration on three-phase fault responses and connecting of capacitors at the stator...
This paper concerns the design and practical application of the multipolar induction generator which can be applied to small power directly driven wind generators (1 - 30 kW). All the windings of this generator are placed on the stator. The overturned rotor is tooth-like without windings on it. The stator is placed inside the rotor. This construction helps to reduce the weight of the generator for...
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