نتایج جستجو برای: Double Cage Induction Generator
تعداد نتایج: 486221 فیلتر نتایج به سال:
This paper focuses on the turbine-generator shaft models of double-cage Induction Generator (IG) based wind farm and its influence on the sub-synchronous resonance phenomenon. For this purpose, six different shaft models as 6-mass, 4-mass, 3-mass I, 3-mass II, 2-mass and 1-mass models are considered for double-cage IG wind-turbine. By using the linear modal analysis method, the effects of the d...
The impact of fixed speed squirrel cage type as well as variable speed doubly fed induction generators (DFIG) on dynamic performance of a multimachine power system has been investigated. Detailed models of the various components have been presented and the integration of asynchronous and synchronous generators has been carried out through a rotor angle based transform. Simulation studies carrie...
For low power wind energy or micro-hydel applications of the order of 1-10KW, the lowest cost can be achieved if the generator is a simple squirrel cage induction motor used as a self excited induction generator (SEIG). The induction generator output can be rectified to produce a DC Bus from which a single phase inverter can feed the power supply grid. A SEIG requires capacitors to be connected...
This paper proposes an excitation system and voltage control for a Squirrel Cage Induction Generator in an independent wind energy conversion system. Energy is considered to be very promising alternative for power generation because of its tremendous environment, social, and economic benefits. Of all wind power technologies, the variable speed systems employing the Squirrel Cage Induction Gener...
A comprehensive control strategy, for the variable speed cage induction achine that addresses the control objectives in a wind generation system,i.e.control of the local bus voltage to avoid voltage rise, capture of maximum power in the wind. The control signals are the desired current wave shapes of the rectifier and the inverter in a double–sided PWM converter system connected between the win...
This paper presents a new rotor flux estimation method for sensorless vector controlled squirrel-cage induction generators used in wind power applications. The proposed method is based on a phase-locked loop (PLL) and the orthogonality between the rotor flux space vector and its back electromotive force (EMF) space vector. Rotor flux is estimated using stator voltage equations without integrati...
Both fixed-speed squirrel-cage induction generators and variable-speed doubly-fed induction generators are used in wind turbine generation technology. Modeling and simulation of induction machines using vector computing technique in Matlab/Simulink provides an efficient approach for further research on wind generation system integration and control. In this paper, the vector computing technique...
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