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electromagnetic torque

Numerical and Experimental Analysis of Electromagnetic Torque for Modular Toroidal Coil Applicable to Tokomak Reactors

Numerical and Experimental Analysis of Electromagnetic Torque for Modular Toroidal Coil Applicable to Tokomak Reactors

... This paper presents analytical equations of mutual inductance and electromagnetic torque of the MTC applicable to Tokamak reactors. The MATLAB program was used for a numerical simulation of mutual ...

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Electromagnetic Torque Ripple Minimization of Slotted Doubly-Salient-Permanent-Magnet Generator for Wind Turbine Applications

Electromagnetic Torque Ripple Minimization of Slotted Doubly-Salient-Permanent-Magnet Generator for Wind Turbine Applications

... The main objective of the present work is to study all the possible combinations of the three shapes identified in the literature. They are rectangular, circular and trapezoidal shapes depicted in Fig. 7 to determine the ...

10

Pulse Width Modulation Technique Based FPGA Implementation of Ac Motor Speed Control

Pulse Width Modulation Technique Based FPGA Implementation of Ac Motor Speed Control

... The coding for the motor speed control is written and is implemented in the MATLAB 2010a. The wave forms of the stator current, rotor speed and electromagnetic torque is obtained and are used for future ...

5

Analysis of converter-permanent magnet synchronous machine set by improved average-value modeling

Analysis of converter-permanent magnet synchronous machine set by improved average-value modeling

... Instantaneous waveforms, converter output voltage, phase current, electromagnetic torque & phase voltage that are computed by the 2 mentioned models are shown in Fig 7 and Fig.8. It can be seen that ...

7

Direct Torque Control Strategy Based on the Emulation of Six-Switch Inverter Operation by a Four-Switch Inverter Using an Adaptive Fuzzy Controller

Direct Torque Control Strategy Based on the Emulation of Six-Switch Inverter Operation by a Four-Switch Inverter Using an Adaptive Fuzzy Controller

... direct torque control strategy is proposed by Takahashi and Depenbrock [1, 2] in the middle of ...dynamic torque response and (iii) high robustness and stability against the load torque variations ...

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Transients in Ultra-High-Speed Generators of Micro-Sized Gas Turbines

Transients in Ultra-High-Speed Generators of Micro-Sized Gas Turbines

... Thus, it is obvious that all considered SC modes will cause harm and can cause MG damage. This applies particularly to the circuits inside MG, three-phase and two-phase short-circuits. This is due to a significant air gap ...

11

Low Cost Direct Torque Control Algorithm for Induction Motor without Using AC Phase Current Sensor

Low Cost Direct Torque Control Algorithm for Induction Motor without Using AC Phase Current Sensor

... the electromagnetic torque are directly calculated from the voltage and the current derived from a single dc -link voltage sensor (simple voltage divider) and a single dc -link current sensor (simple shunt ...

8

Simulation Model of Shipboard Low Voltage Molded Case Circuit Breaker Based on PSCAD/EMTDC

Simulation Model of Shipboard Low Voltage Molded Case Circuit Breaker Based on PSCAD/EMTDC

... an electromagnetic torque on arma- ture will be ...the electromagnetic torque is to spin the armature in the decrease direction of air ...counter torque on the armature will prevent ...

9

Seven-level NPC Inverter-based Neuronal Direct Torque Control of the PMSM Drives with Regulation Speed Using Neural PI Controller

Seven-level NPC Inverter-based Neuronal Direct Torque Control of the PMSM Drives with Regulation Speed Using Neural PI Controller

... direct torque control (DTC) technique scheme of permanent magnet synchronous motors (PMSMs) is proposed using a seven-level neutral point clamped (NPC) inverter and artificial neural networks (ANNs) ...and ...

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Algorithm for Induction Motor without AC Phase Current Sensors

Algorithm for Induction Motor without AC Phase Current Sensors

... direct torque Control (DTC) using the information obtained from only one shunt resistor (in series with low side switches in a conventional three -phase ...

7

IMPROVEMENT OF PERFORMANCE INTRUSION DETECTION SYSTEM (IDS) USING ARTIFICIAL 
NEURAL NETWORK ENSEMBLE

IMPROVEMENT OF PERFORMANCE INTRUSION DETECTION SYSTEM (IDS) USING ARTIFICIAL NEURAL NETWORK ENSEMBLE

... the electromagnetic torque follows its reference, which allows for optimum power shown in figure18, and we can see in figure 19 that the reactive power follows its reference exactly, this is due to control ...

11

Comparative Study Of Trapezoidal And Sinusoidal Control Of Electric Vehicle Power Train

Comparative Study Of Trapezoidal And Sinusoidal Control Of Electric Vehicle Power Train

... The insertion of a gear speed amplifier with rd ratio aims to enable the vehicle to reach the maximum speed of 80 km / h in our application. This ratio also helps ensure proper interpolation of reference voltages in ...

9

Fast Computation of the Performance of Lunar Rover Drive Motor with Skewed Stator Slots Based on 2D FEM

Fast Computation of the Performance of Lunar Rover Drive Motor with Skewed Stator Slots Based on 2D FEM

... and electromagnetic torque were calculated for the prototype and the calculation accuracy was estimated according to the spectra of air-gap flux density at different relative positions of the stator and ...

8

Transient Stability of  Power Generating Stations  synchronously connected to Low Inertia Electrical Power systems

Transient Stability of Power Generating Stations synchronously connected to Low Inertia Electrical Power systems

... the electromagnetic torque in the air gap of grid connected synchronous generators, inducing inter alia a rotor angle oscillation resulting in mechanical torsional oscillations in the shaft line of the ...

184

Analysis and Design of a Permanent-Magnet Outer-Rotor Synchronous Generator for a Direct-Drive Vertical-Axis Wind Turbine

Analysis and Design of a Permanent-Magnet Outer-Rotor Synchronous Generator for a Direct-Drive Vertical-Axis Wind Turbine

... phase, electromagnetic torque is increased and torque ripple magnitude is ...cogging torque and average torque is ...cogging torque in concentrated-winding PM machines is ...

9

Reduction of Torque Ripple method for Small Inductance Brushless DC Motor

Reduction of Torque Ripple method for Small Inductance Brushless DC Motor

... of Torque Ripples for Small Inductance Brushless DC Motor is ...generated electromagnetic torque contain ripples in its waveform which is not desirable in motor operation performance especially, in ...

11

ONTOLOGY MATCHING: IN SEARCH OF CHALLENGES AHEAD

ONTOLOGY MATCHING: IN SEARCH OF CHALLENGES AHEAD

... In the recent times, in the industrial areas, the Current Alternative rotating machines are more usable especially double-fed Induction machine (DFIM), because of its many advantages over other types of rotating ...

11

Analysis the Speed Manage of BLDC Motor Drive using Sensors

Analysis the Speed Manage of BLDC Motor Drive using Sensors

... a torque due to the attraction between the rotor permanent magnet and the stator steel and acts to drive the rotor to a position having the lowest permanent magnet component of coupling field ...This torque ...

5

Improvement Torque Ripple of Switched Reluctance Motor Enhance Decay Time and Dwell Angle

Improvement Torque Ripple of Switched Reluctance Motor Enhance Decay Time and Dwell Angle

... developing electromagnetic torque in SRM and leads to stable or unstable operation of the ...negative torque, finally lead to reduce the torque ...SRM torque ripple as shown in addition ...

7

Direct torque control of brushless DC drives with reduced torque ripple

Direct torque control of brushless DC drives with reduced torque ripple

... The rotor position board is simply an interface between the DSP and the rotor position sensors, which are simply three Hall devices, the rotor position being obtained by linear interpreta- tion [18]. Although this may ...

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