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329 articles for “inductive”
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Mitigation of Inrush Current in Induction Motors using Prefluxing Technique
Abstract: Induction motor is one of the major inductive loads of power system. Its operating has the serious impact on the health of power system. Damage in induction motors can create a serious problem in transmission or distribution system. Three phase induction motor produces severe starting current which is called Inrush current. This causes shock to the driven equipment and damage to the mechanical system components. In this paper, prefluxing technique …
Published in Trends in Electrical Engineering · Vol. 5, Issue 2, 2015 · pp. 27–34 Read article
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A Fuzzy Logic Based Electronics Load Controller for Self-excited Induction Generators
Abstract: Normal 0 false false false EN-US X-NONE X-NONE This paper deals with the design and implementation of a fuzzy logic based controller for regulating the output voltage and frequency of a self-excited induction generator (SEIG). Electronic load controller (ELC) along with fuzzy logic controller (FLC) is used to maintain the electrical load constant at the output terminals. The controlling action will be taken by FLC whenever there will be the …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 2, Issue 2, 2011 · pp. 1–7 Read article
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Operating Limits of Three-phase Self-excited Induction Generator under Unbalanced Operations
Abstract: This paper presents a new GA based model to analyze the steady state performance of the self-excited induction generator (SEIG) under unbalanced load and excitation. The proposed model is based upon the load decoupled approach using symmetrical component theory. The simulated results as obtained using proposed model are compared with experimental results on a test machine. Close agreement with the experimental results proves the effectiveness of GA based model and …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 4, Issue 3, 2013 · pp. 13–29 Read article
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Fault Detection and Online Monitoring of Three Phase Induction Machine using Embedded Platform
Abstract: Protection of three phase induction machine is very important in industrial applications and it plays a vital role in our everyday life. This protection system protects the three phase induction motor from single phasing, under voltage, over voltage over current, and over temperature. Induction motors are kept in operation through tracking its condition in a continuous manner to minimize their unplanned down times. To avoid the consequence of unexpected failure …
Published in Journal of Control & Instrumentation · Vol. 9, Issue 2, 2018 · pp. 17–24 Read article
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Speed Estimator for Sensorless Field-Oriented Control Induction Motor Drive Using Intelligent Neural Networks
Abstract: This paper presents a novel approach to the field-oriented control (FOC) of induction motor drives. It discusses the introduction of artificial neural networks (ANNs) for decoupling control of induction motors using FOC principles. The neural network has been then designed and trained online by employing a back propagation network (BPN) algorithm. The estimator was designed and simulated in Matlab/Simulink. Simulation result shows a good performance of speed estimator. Simulation results …
Published in Journal of Control & Instrumentation · Vol. 6, Issue 3, 2015 · pp. 42–49 Read article
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Detection of Stator and Rotor Winding Faults in Induction Motor using Park’s Vector Approach
Abstract: The Induction Motors in every rotating machine’s heart and it’s a very important component in amuch. Almost 90 percent of the Induction Motor use in industry as a prime mover. So Induction Motoris necessary to Condition Monitoring for Economic Running Cost. Condition Based Monitoring ofInduction Motor has become an important and difficult task for Engineers and Researchers mainly inIndustrial applications. Several Condition Monitoring Methods (Technique) including Motor CurrentSignature Analysis Monitoring, …
Published in Journal of Control & Instrumentation · Vol. 12, Issue 1, 2021 · pp. 6–17 Read article
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Brief Review of Fault Detection and Classification in Induction Motor
Abstract: Induction motors are operating as the support system for each industry. But like every different machine, due to serious duty cycles, poor operating atmosphere, installation and manufacturing factors, they gradually slow down or sometimes fail. That is why, diagnosis methods that are competent to sense the motor failures are necessary in order to increase the safety and the performances of with increasing needs for reliability and efficiency, the field of …
Published in Journal of Experimental & Applied Mechanics · Vol. 10, Issue 1, 2019 · pp. 1–6 Read article
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Design and Simulation of Fuzzy Logic Based Speed Control of Electrical Vehicle with Induction Motor Taking Core Loss and Stray Load Losses into Account
Abstract: In modern technology, electrical differentials to design electrical vehicle are getting popular for its simplicity, faster response, accurate control capability and other facilities. The controller design for the distinctive motors is a captivating and challenging work to acquire, sought execution appropriately. For this, different kind of controller is used to get accurate results. For induction motor, it is very important to control the speed and torque to get smooth control …
Published in Journal of Power Electronics and Power Systems · Vol. 7, Issue 1, 2017 · pp. 41–48 Read article
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Detection of Eccentricity Fault for Induction Motor
Abstract: The study shows that 80% of faults are because of eccentricity in induction motors, advancing numerous research endeavors still gave to the eccentricity in these motors. In this paper, an asynchronous motor under static and dynamic eccentricities with various load levels is modeled utilizing using finite element method (FEM) as FEM is utilized as an intense numerical technique for analysis of defective induction motors. The simulation outcomes demonstrate that due …
Published in Trends in Electrical Engineering · Vol. 8, Issue 2, 2018 · pp. 19–32 Read article
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New Solution Technique for the Frequency and Transient Response of Transformer Windings with All Inter-Turn Mutual Inductances and Capacitances Included
Abstract: This paper addresses the frequency response, the identification of the resonance frequencies as well as the transient response of transformer windings taking into account all possible inter-turn mutual inductances and capacitances. The mutual inductances and capacitances between any turn to all other turns, i.e. not only the immediately adjacent ones, are considered. The analysis starts with writing the set of simultaneous differential equations relating the currents and voltages within the …
Published in Trends in Electrical Engineering · Vol. 3, Issue 1, 2013 · pp. 22–41 Read article
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New Solution Technique for the Frequency and Transient Response of Transformer Windings with All Inter-Turn Mutual Inductances and Capacitances Included
Abstract: This paper addresses the frequency response, the identification of the resonance frequencies as well as the transient response of transformer windings taking into account all possible inter-turn mutual inductances and capacitances. The mutual inductances and capacitances between any turn to all other turns, i.e., not only the immediately adjacent ones, are considered. The analysis starts with writing the set of simultaneous differential equations relating the currents and voltages within the …
Published in Trends in Electrical Engineering · Vol. 3, Issue 3, 2013 · pp. 29–50 Read article
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Developing a Model in Matlab/Simulink Environment for Induction Motor Considering Core Loss and Stray Load Loss
Abstract: This paper focuses on a Matlab/Simulink model of a squirrel-cage induction motor with consideration of core loss and stray load loss. This model is based on some mathematical expressions and also described through an equivalent circuit including core loss and stray load loss. The model of induction motor has been developed based on the state space equations in a synchronously rotating reference frame, where core loss and stray load losses …
Published in Trends in Electrical Engineering · Vol. 4, Issue 2, 2014 · pp. 1–12 Read article
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Performance Analysis & Speed Control of 3 Phase Induction Motor on 8 Bit Controller Platforms Using LabVIEW®
Abstract: ABSTRACTPerformance analysis & speed control of 3 phase induction motor on 8 bit platform using LabVIEW® aims to speed control of 3-phase induction motor, microcontroller used for this work is AVR ATmega16. LabVIEW® provides the remote GUI interface to the system. LabVIEW® interfaces to the control system with the RS-232 communication link Using NI-VISA. Actually induction motor controlling through microcontroller and PC based GUI leads to the almost complete design …
Published in Journal of Computer Technology & Applications · Vol. 1, Issue 1-3, 2011 · pp. 88–99 Read article
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Induction Motor Speed Control Using SCADA
Abstract: Single-phase induction motors are widely used in home appliances and industrial control because of their low cost and rugged construction. Many industrial processes require variable speed drives for various applications. This project investigates the speed control performance of single-phase induction motor using microcontroller AVR ATmega8a. PWM technique has been employed in this inverter to supply the motor with AC voltage. The 4n25 opto-coupler serves the purpose of isolation between the …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 5, Issue 1, 2017 · pp. 15–19 Read article
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A Portable Induction Hardening System with New Dynamic Response based Characterization of Hardened Samples
Abstract: In this paper we have first discussed about the requirement of a portable induction hardening system which can be easily tailored for variable job-work applications. Such a system is first developed in the laboratory and successfully utilised for hardening steel pins made of various alloys. Later, it is shown that the dynamic response of such a system can be used for hardness estimation as these are sensitive towards the change …
Published in Journal of Experimental & Applied Mechanics · Vol. 5, Issue 1, 2014 · pp. 1–9 Read article
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Design and Implementation of the Double Fed Induction Generator in Sliding Mode
Abstract: These days, WECS is crucial to the production of electricity. Variable-speed wind turbines are the most often utilised type of wind turbine (DFIG). However, these machines are sensitive to voltage disturbances because their stator is directly connected to the grid. The oscillations produced in electromagnetic torque, active and reactive power during disturbances could damage the mechanical and electrical parts of the machine. Several control techniques are produced to control these …
Published in International Journal of Electrical Machine Analysis and Design · Vol. 1, Issue 1, 2023 · pp. 11–22 Read article
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Online State Estimation and Fault Detection of a Doubly Fed Induction Machine by an Interconnected High Gain Observer
Abstract: This article presents the states and disturbance estimation of a doubly fed induction machine by the use of an interconnected high gain observer. The supply is made of a rectifier, a filter and an inverter. We consider the parameters such as the load couple, the electromagnetic couple and the speed on the only basis of the electric quantities. The results show that the error between the estimated and measured parameters …
Published in Journal of Control & Instrumentation · Vol. 8, Issue 3, 2017 · pp. 1–11 Read article
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Design and Modeling of High Speed Homopolar Inductor Alternator
Abstract: Homopolar inductor alternator (HIA) is basically used for high speed application because of its expected high reliability in severe environments, high efficiency and capacity of rotating at high speed. Even though homopolar inductor alternator is a synchronous generator, the asymmetric structure of alternator makes its theoretical principle ambiguous and design of alternator is difficult. So investigation on this alternator is very important. In this study, design and modelling of six …
Published in Journal of Control & Instrumentation · Vol. 9, Issue 3, 2018 · pp. 30–36 Read article
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High Gain Observer and Moving Horizon Estimation for Parameters Estimation and Fault Detection of an Induction Machine: A Comparative Study
Abstract: The synthesis of a high gain observer (HGO) and moving horizon estimation (MHE) for the on-line estimation of the rotor fluxes, the rotor speed of the induction motor from the current and voltage measurements is presented. This paper presents two approaches for estimating the parameters of an induction machine during normal and faulty functionning. These approaches are based on the HGO and MHE. Simulation results show that we can identify …
Published in Journal of Control & Instrumentation · Vol. 8, Issue 2, 2017 · pp. 15–26 Read article
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Performance Analysis of LCI and VSI Fed Induction Motor Drive
Abstract: In this paper combination of a load-commutated inverter (LCI) and a voltage-source inverter (VSI) are employed for performance analysis of induction motor drive. Performance of the drive has been evaluated through the different variation in reference speed and load torque. proposed LCI-based induction motor drives include the following Advantages: (1) sinusoidal motor phase current and voltage based on the instantaneous motor speed control; (2) fast dynamic response by the VSI …
Published in Journal of Control & Instrumentation · Vol. 12, Issue 1, 2021 · pp. 29–44 Read article