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Induction Motor Articles & Analysis
36 articles found
Induction motors are the leading drive systems used in Industrial setups. Induction motors are used in wide load applications from low voltage to high voltage. ...
Industry: Printed Circuit Board Region: Asia Territory: Taiwan Category: Energy Saving In recent years, we are noticing a strong push in the electronics industry towards en- ergy efficiency. This case provides an excellent example of helping our customer find and evaluate energy saving applications to realize their ...
The paper discusses the problem of speed and flux estimation for the induction motor (IM) drive and presents a series of Sliding Mode Observers (SMOs) that are constructed using compound manifolds. ...
In this paper, an ABC transient model of the three–phase induction motor is developed that depends on self and mutual inductance calculations based on accurate finite element analysis (FEA). This model can represent both healthy and faulty motor conditions. The rotor broken bars faults are studied thoroughly including their ...
"It is 7% more energy efficient than high-efficiency induction motors, which is significantly beneficial in terms of profitability, especially considering that electricity costs are expected to rise by 25% in the next five years. What sets this motor apart is that it is ideal for speed control. We noticed that some induction ...
The laboratory investigations on 10–hp cage induction motor are presented.Keywords: condition monitoring, vibration analysis, bearing faults, fault diagnosis, fault severity estimation, rotating electric machines, time–based descriptors, defective ...
This paper presents the performance of an indirect vector controlled induction motor drive fed from five–level, three–level and two–level inverters under different operating conditions (dynamic and steady state). ...
The problem of two–dimensional heat flow in the stator of induction motor is solved by use of a finite element formulation and arch–shaped elements in the r–θ plane of the cylindrical coordinate system. ...
In this research study, direct torque and flux control of an Induction Motor Drive (IMD) using Sliding–Mode Speed Controllers (SMSC) and Fuzzy–Logic Speed Controller (FLSC) are presented to achieve high performance of stator current, electromagnetic torque and motor speed in both transient as well as in steady–state conditions. ...
Permanent magnet synchronous motor (PMSM) is gaining much attention in the area of high performance drives with the recent development in solid state electronics, processors, and intelligent computing. ...
This paper explains the application of Space Vector Modulation (SVM) technique to reduce torque and flux ripple in an induction motor employing Direct Torque Control (DTC). The effective time is determined using imaginary time vector, thereby the lengthy procedure of using reference voltage vector is eliminated, and also the sector identification and angle ...
The purpose of this paper is to evaluate the steady state performance of a proposed connection of permanent capacitor motor (PCM) for dual voltage operation. The performance of the proposed connection is compared with the performance of the normal motor connection. ...
This paper analyses the starting performance of two-leg AC voltage controller-fed three-phase induction motor drive and establishes that optimum value of firing angle combination for the voltage controller depends on the motor parameters. Identically rated machines with different motor parameters are used for the work. Optimum ...
The computer simulation result is experimentally verified using resistive load.Keywords: harmonics, multilevel inverters, SVPWM, PWM generation, pulse width modulation, hexagonal voltage space vector generation, dodecagonal voltage space vector generation, induction motor drives, power circuits, ...
The paper presents non–traditional solutions to the problem of selective harmonic elimination (SHE) in induction motor drives fed by three–phase voltage–source inverter (VSI). ...
This paper proposes an energy efficient modulation scheme suitable for multilevel inverter fed five–phase induction motor. Five–phase multilevel inverter provides good quality five–phase variable voltage and variable frequency supply to five–phase induction motor, which ensure reduced torque ripple and improved drive efficiency. ...
A space vector pulse width modulated (SV–PWM) direct torque controlled (DTC) induction motor drive, having reduced torque ripple even at low operating speeds and maintaining constant switching frequency has been studied and implemented with a modified stator flux estimation scheme. ...
The paper discusses the problem of sensorless rotor position/rotor flux angle estimation for the permanent magnet synchronous motor (PMSM) and for the induction motor (IM) and presents a family of sensorless observer designs that use a speed estimate. ...
Three–phase balanced sine–PWM pulses are required for the purpose of generation of sinusoidal output voltage and/or currents from inverters, used for UPS/motor–control applications. Such pulse–generation is possible using micro–controllers/DSPs with PWM output pins. ...
In Brazil, the Committee of Energy Efficiency Indicators and Levels (CGIEE) issues compulsory minimum efficiency energy levels through specific regulations for certain products, and the corresponding assessment conformity mechanism, such as Decree 4.508 of 2002 establishing minimum energy efficiency requirements for electric three-phase squirrel cage induction ...