Rotor speed
Study of double rotor speed regulating wind power generation system
... double rotor speed-regulating wind power generation system comprising a double rotor speed-regulating device connected to the gearbox and the synchronous generator is proposed for the sake of ...
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Tow-tank testing of a 1/20th scale horizontal axis tidal turbine with uncertainty analysis
... vibrations, speed tolerances, and uniformity can affect the accuracy of speed control and the length of time for data collection at a constant ...carriage speed, confirms that the quality of the ...
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A Current-Based Output Feedback Sliding Mode Control for Speed Sensorless Induction Machine Drive Using Adaptive Sliding Mode Flux Observer
... the rotor speed and rotor time constant estimations, even if the stator current and rotor flux estimation errors exponentially converge to ...the rotor flux reference command has to be ...
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Model Reference Adaptive System Sensorless Vector Control of an Induction Motor Using a Novel Fractional Order PI Controller Adaptation Mechanism Aamir Hashim Obeid Ahmed, Giddani Kalcon, Nagm Eldeen Abdo Mustafa Hassanain
... any speed sensor have been investigated by many ...of speed sensorless induction motor drives are reduced hardware complexity and lower cost, reduces size of the drive machine, elimination of the sensor ...
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Experimented Examination of Power Produced for Dual Rotor Wind Turbine over Single Rotor Wind Turbine
... dual rotor wind turbine as compare to single rotor experimentally then we observed that, dual rotor is having its value about 40 % more than single rotor wind turbine that means dual ...
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PWM Current-Source Inverter Fed Induction Motor Drive with a New Stator Current Control Method Kaluri Ramanaiah, Dr. M. BalaSubbareddy
... In this paper, the control of the pulse width-modulated current-source-inverter-fed induction motor drive is discussed. The vector control system of the induction motor is realized in a rotor-flux-oriented ...
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Vector Controlled Sensorless Estimation and Control of Speed of Induction Motors
... Simulation (Section IV) and stability study (Section III) have confirmed that the drive is stable in all the four quadrant modes of operation. Here, the same is verified through experiments for an operating point, which ...
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Analysis of AC Transmission System using Interline Power Flow Controller for damping of low frequency oscillations with Pi controller
... of rotor speed are obtained for LG, LLG and LLLG faults with IPFC using PI controller are shown in Figures 12, 13 and 14 ...of rotor speed are obtained for LG, LLG and LLLG faults with IPFC ...
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Effect of Spinning Parameters on Thick, Thin Places and Neps of Rotor Spun Yarn
... Rotor spinning is a very fast rising spinning technique for the production of coarse and medium count yarns. This is so because of its higher productivity, better product quality and profitability. Considering ...
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Universal Flying Restart Strategy for Asynchronous and Synchronous Motors.
... the rotor speed and position can be estimated through the above explained ...high rotor speed or a big magnet flux constant and having a small stator ...
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Adaptive Sliding Mode MRAS Strategy for Sensorless Speed Control of SPIM Drives
... sensorless speed vector control strategy devoted to drive a SPIM based SM technique and free of ...the speed and the stator currents, and a MRAS rotor speed estimation algorithm based sliding ...
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Grey Relational Analysis to Determine the Optimum Process Parameters for Open-End Spinning Yarns
... that rotor speed is the most significant factor for affecting the multiple performance ...are rotor speed at level 2, Yarn linear density at level 2, and rotor diameter at level 2 and ...
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Evaluation and Optimization of Efficiency and Mixing Time in a Surface Aeration Tank - Volume 6 Number 3 (Jun. 2015) - IJCEA
... with rotor speed at different immersion depth levels is shown in ...in rotor speed. This reduction is even more visible up to the rotor speeds about 240 rpm at all immersion depth ...
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Modeling and simulation of wind turbine for partial load operation
... (low speed shaft, gearbox, generator, and brake), yaw motor and controller as shown by Figure-1 (Wiser et ...The rotor is mounted on the ...the rotor. The pitch is also known as pitch control. ...
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A decision Tree Based Approach for Data Analysis and Fault Prediction For Wind Turbine Using SCADA dataset
... The main objectives in wind turbine control systems are avoidance of excessive mechanical loads, maximisation of energy capture, and the provision of appropriate power quality. Maximum power extraction can be achieved ...
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Transient Stability Enhancement of Induction Generator Piyush Bahad, Nachiket Korde
... Transient stability enhancement of induction generator is one of the main issues in wind power generator. Fault or any of sudden disturbances on power system may cause rotor speed instability and voltage ...
5
Research of Power Control for Grid-connected Wind Turbine with Differential Speed Regulation
... wind speed is below or above the rated ...tip speed ratio λ is analyzed. The operating parameters of wind rotor, speed regulating motor and synchronous generator are calculated under different ...
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Frequency Variation in Rotor Current on Changing Mechanical Load in Three Phase Induction Motor
... the rotor conductors. As the rotor circuit is short-circuited, these induced ...the rotor conductors. The interaction of these rotor currents with rotating flux wave produces torque in the ...
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Kinematics of twin rotary tiller
... front rotor was ...rear rotor is designed to handle upper soil ...rear rotor, the position of the rotor above land surface, rotational rotor speed, tractor forward speed ...
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Analytical Grid Generation for accurate representation of clearances in CFD for Screw Machines
... low rotor speed and higher pressure difference then at higher rotor speeds with low pressure ...one rotor speed and found that refinement of the rotor grid in circumferential ...
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