stator current signature analysis
DWT based bearing fault detection in induction motor using noise cancellation
... using stator current signature analysis via noise cancellation using DWT ...of stator current are estimated and cancelled using Wiener filter ...healthy stator ...
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Stator Winding Fault Identification in Three Phase Induction Machine by Using Motor Current Signature Analysis
... faults, stator winding fault is a common and severe ...the stator short-circuit fault is ...Motor Current Signature Analysis. It includes stator current monitoring as it ...
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Bispectrum of stator phase current for fault detection of induction motor
... the stator or rotor generally show sideband frequencies around the mains frequency (50Hz) and it higher harmonics in the spectrum of the Motor Current Signature Analysis ...the stator ...
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Bearing Fault Analysis of Permanent Magnet Synchronous Motor(PMSM) using Current Signature Analysis
... the stator current (due to flux unbalance) harmonics at a frequency difference between them and the supply ...new current harmonics are at 50Hz minus fORF_B, ...of current harmonics in Table ...
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Condition Monitoring of Gear Box by Using Motor Current Signature Analysis
... MOTOR CURRENT SIGNATURE ANALYSES A Common approach for monitoring mechanical failures is vibration ...is stator current based monitoring since a current measurement is easy to ...
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Inter Turn Short Circuit Detection Based on Modulation Signal Bispectrum Analysis of Motor Current Signals
... the stator core, reducing then the repair ...Motor current signature analysis (MCSA) is a conventional approach for monitoring ...on stator fault diagnosis and presented good results ...
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Motor Current Signature Analysis for Bearing Fault Detection in Mechanical Systems
... Bearings are one of the critical components in rotating machinery. The need of an easy and effective fault diagnosis technique has led to the increasing use of motor current signature analysis ...
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A review of current signature analysis for condition monitoring of wound rotor induction generator and fault diagnosis techniques
... the current data are extracted by the pre- processor and are classified into four classifications based on importance level with the rule-based frequency filter ...the signature that falls outside the ...
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Fault detection and diagnosis method for three-phase induction motor
... Motor current signature analysis (MCSA) is known as an effective technique for fault diagnosis in three-phase ...2003). Current sensors are mostly cheap and could be used and maintained ...
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Testing and Analysis of Induction Motor Electrical Faults Using Current Signature Analysis
... unusual stator faults in the three phase squirrel cage Induction Motor and to discriminate stuck between them has been proved all with its vital ...the stator current spectrum ...
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Rotor Faults Detection in Induction Motor by Wavelet Analysis
... Motor current signature analysis has been successfully used for fault diagnosis in induction ...the stator current of induction motor operating under non-constant load ...motor ...
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Fault diagnosis of motor drives using stator current signal analysis based on dynamic time warping
... weak signature due to faults in signals cannot be resolved properly for accurate fault detection and ...accurate analysis results in the time ...[10], signature matching [11] and condition monitoring ...
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Analysis of Dynamic Behaviour of a DFIG Based Wind Turbine during Symmetrical Three Phase Fault at Grid End Using Crowbar Protection
... capability. Stator and rotor circuit is electromagnetically coupled so when stator voltage decreases due to grid fault a large amount of rotor current flow to the rotor circuit and overvoltage occur ...
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FAULT TOLERANT CONTROL OF ADJUSTABLE SPEED SWITCHED RELUCTANCE MOTOR DRIVES
... of stator and rotor ...the current in any phase, is zero ...with stator poles). The common stator/rotor pole configurations are 6/4 and ...The stator poles have concentrated windings ...
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Theoretical modeling and simulation of Grid connected DFIG under symmetrical and asymmetrical faults
... [13] J. Liang, W. Qiao, and R. G. Harley, “Feed-forward transient current control for low-voltage ride-through enhancement of DFIG wind turbines,” IEEE Trans. Energy Convers., vol. 25, no. 3, pp. 836-843, Sept. ...
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The design of hybrid stepping motors aided by three dimensional finite element analysis
... i Single Phase Full Stepping If current now passesthrough one of the stator phase windings as shown in figure 1.1IA, the resultant north and south stator poles will attract teeth of the [r] ...
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NOVEL TECHNIQUES FOR TORQUE RIPPLE MODELING AND MINIMIZATION IN PERMANENT MAGNET MACHINES
... the stator current excitation near ...proposed stator design for a combined torque ripple ...unequal stator teeth width to eliminate the 6 th torque ...adjacent stator teeth widths are ...
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Use of Modular Multilevel Cascade Inverter as a Method to Speed Sensorless Start of an Induction Motor Drive
... Moreover, current stresses of the conventional motor-speed control techniques, the V /f and slip-frequency control, and the proposed motor-speed control technique are the same, at least, in a steady-state ...
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Comparing the Quality of Power Generated from DFIG with Different Types of Rotor Converters
... In this paper the quality of power generated from wind energy conversion system employing a double fed induction generator (DFIG) is investigated. The DFIG performance is tested with 3 types of converters interfacing the ...
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Design Of Dfig-Based Wecs Using Resonant Feedback Compensators Under Unbalanced Grid Voltage Conditions
... In Fig. 1, the PI controllers are used to regulate dc signals, and the resonant feedback compensators, consisting of resonant regulators, as illustrated in [12] and [18], can provide an infinite gain at the double ...
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