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stator currents

Unintrusive monitoring of induction motors bearings via deep learning on stator currents

Unintrusive monitoring of induction motors bearings via deep learning on stator currents

... the stator winding and the rotor ...on stator currents signals processed with a Deep Learning ...the stator currents signals are already commonly available, or easily and unintrusively ...

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COMPARATIVE ANALYSIS OF THE VECTOR CONTROL AND THE DIRECT TORQUE CONTROL PMSM DRIVES

COMPARATIVE ANALYSIS OF THE VECTOR CONTROL AND THE DIRECT TORQUE CONTROL PMSM DRIVES

... Speed controller compares the actual speed obtained from speed sensor of motor & the reference speed to generate reference torque which when passed through speed ramp block limits the rising & falling rate of the ...

10

Use of Modular Multilevel Cascade Inverter as a Method to Speed Sensorless Start of an Induction Motor Drive

Use of Modular Multilevel Cascade Inverter as a Method to Speed Sensorless Start of an Induction Motor Drive

... minimal stator current under a load torque is based on the combination of feedback control of the three-phase stator currents with feed forward control of their frequency and ...

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Joint State and Parameter Estimation of Squirrel Cage Induction Motor – A System Identification Approach using EM based Extended Kalman Filter

Joint State and Parameter Estimation of Squirrel Cage Induction Motor – A System Identification Approach using EM based Extended Kalman Filter

... 2.0102]. Figures 2 and 3 show the measured stator voltages and currents respectively. Figure 4 demonstrates the convergence of estimated parameters. It is seen that Rs, Rr and Lr converges very close to the ...

6

Analysis and Design of Derivative Free Filters against  Derivative Based Filter on the Simulated Model of a  Three Phase Induction Motor

Analysis and Design of Derivative Free Filters against Derivative Based Filter on the Simulated Model of a Three Phase Induction Motor

... stator currents V Rotor stationary axis components of stator flux V-s Total inertia of the IM Kg.m2 Angular velocity True state variables Updated state estimates Measured variables Input[r] ...

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Improved Performance of Direct Torque Control of Induction Motors

Improved Performance of Direct Torque Control of Induction Motors

... controlled stator current and ...direct stator flux control, Indirect control of stator currents and voltages, Approximately sinusoidal stator fluxes and stator currents, ...

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Online Full Text

Online Full Text

... Current and voltage measurement equipments are generally present to protect from over voltage and over current in most industrial systems including motor. The voltage and current data could be obtained by adding some ...

5

PERFORMANCE OF FIVE PHASE INDUCTION MOTOR USING SPECIALLY CONNECTED TRANSFORMER

PERFORMANCE OF FIVE PHASE INDUCTION MOTOR USING SPECIALLY CONNECTED TRANSFORMER

... The output voltages of all four types of transformer connections are fed to the five phase induction motor and observe the torque, speed and stator currents of the motor are obtained by using MATLAB. Here ...

9

Comparison Between Direct and Indirect Field Oriented Control of Induction Motor

Comparison Between Direct and Indirect Field Oriented Control of Induction Motor

... the stator currents of a 3 phase induction motor are identified as two orthogonal components that can be visualized with a ...of stator current space vector: one providing the control of flux and the ...

6

SRM Speed Control with Various Converter Topologies

SRM Speed Control with Various Converter Topologies

... of stator currents, torque and speed of C-Dump converter without current ...of stator currents, torque and speed of C-Dump converter with open-loop current ...of stator currents, ...

13

Vector Controlled Sensorless Estimation and Control of Speed of Induction Motors

Vector Controlled Sensorless Estimation and Control of Speed of Induction Motors

... The induction motors are relatively cheap and rugged machines because their construction is realised without slip rings or commutators. Controlling the speed of Induction Motor is far more difficult than controlling the ...

6

Power Quality Improvement in PMSM Drive Using Zeta Converter

Power Quality Improvement in PMSM Drive Using Zeta Converter

... The objective function is to achieve desired speed by using the proposed Zeta converter. Three case studies are implemented i.e., PMSM drive without speed control, Conventional DTC of PMSM Drive and PMSM drive DTC ...

13

Analysis of Dynamic Performance of Three Phase Induction Motor Using Matlab Simulation

Analysis of Dynamic Performance of Three Phase Induction Motor Using Matlab Simulation

... measure stator currents and rotor speed for then deriving flux space angle proper by summing the rotor angle corresponding to the rotor speed and the calculated reference value of slip angle corresponding ...

14

SPEED CONTROL OF PERMANENT MAGNET SYNCHRONOUS MOTOR USING VOLTAGE SOURCE INVERTER

SPEED CONTROL OF PERMANENT MAGNET SYNCHRONOUS MOTOR USING VOLTAGE SOURCE INVERTER

... phase currents in magnitude and phase angle with respect to the rotor orientation provided a means for achieving smooth responsive torque ...sinusoidal stator currents to produce constant torque ...

9

A Simple Pattern Recognition Approach for Monitoring Incipient Stator Faults in Salient-Pole Synchronous Generators

A Simple Pattern Recognition Approach for Monitoring Incipient Stator Faults in Salient-Pole Synchronous Generators

... αβ stator currents without and with stator fault as shown in ...αβ stator current amplitudes and phase, reflecting the presence of a negative component caused by the stator ...

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Robust Backstepping Control of Induction Motor Drives Using Artificial Neural Networks and Sliding Mode Flux Observers

Robust Backstepping Control of Induction Motor Drives Using Artificial Neural Networks and Sliding Mode Flux Observers

... a stator two axis reference frame where the rotor fluxes and stator currents are assumed as state variables [12], the robust nonlinear controller is designed in the following ...

12

Fault identification and mitigation in seven level cascaded 
		H bridge 
		inverter for vehicular application

Fault identification and mitigation in seven level cascaded H bridge inverter for vehicular application

... shows the stator current, speed and torque characteristics of induction motor. The THD in stator current is 3.49% as in Figure-41 during open fault mitigation condition. Table- 1 shows the THD valuesfor ...

9

Control & Implementation of Fuzzy Based DFIG Wind Power Generators in Unbalanced Micro grids

Control & Implementation of Fuzzy Based DFIG Wind Power Generators in Unbalanced Micro grids

... load currents are observed to be nonlinear in ...harmonics currents to the load for making grid currents (igabc) and stator currents (isabc) balanced and ...the stator power ...

13

Simulation and Experiment for Induction Motor Control Strategies

Simulation and Experiment for Induction Motor Control Strategies

... Two currents, phase A and B are sampled with the built-in analog to digital converter on the Texas Instruments DSP. A measurement of the DC bus is sampled with a third A/D conversion. A peripheral circuit was ...

94

Comparison between Fuzzy Logic Control and Predictive Torque Control, applied to a DFIG based Wind Turbine

Comparison between Fuzzy Logic Control and Predictive Torque Control, applied to a DFIG based Wind Turbine

... The control of DFIG is mostly based on its rotor, where the attached power electronic converter plays a vital role for controlling rotor parameters. Here the converter is back-to-back type (AC-DC-AC) [6]. The rotor side ...

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