Published by Tine MARČIČ1, TECES, Research and Development Centre for Electric Machines (1) Abstract. The paper provides an overview of design problems and contemporary research progress in the currently very interesting field of energy-efficient line-start motors. Discussed are problems related to induction motors (IMs), line-start synchronous reluctance motors and line-start interior permanent magnet synchronous motorsContinue reading “A Short Review of Energy-Efficient Line-Start Motor Design”
Tag Archives: Motors
Importance of Power Quality – Motor
Published by Emerich Energy Private Limited Power quality is of prime importance in deciding the efficiency of any motor. Some of the critical parameters of power quality are • Harmonics• Voltage Unbalance• Voltage Fluctuations In an alternating current (AC) system, the voltage potential and the current through the load circuit are described in frequency andContinue reading “Importance of Power Quality – Motor”
Experiment and Analysis of High Power Line-Start PM Motor
Published by Qinfen LU, Xiaoyan HUANG, Yunyue YE, Youtong FANG, Zhejiang University Abstract. This paper investigates the performance of a high power line-start permanent-magnet motor (LSPM) by experiment, which is developed for industrial fans, pumps and compressors to reduce the energy consumption. The no-load back-EMF is measured and compared with predicted result of FEM. InContinue reading “Experiment and Analysis of High Power Line-Start PM Motor”
An Analysis of the Inverter Overvoltage Generated by the Motor
Published by Algirdas BASKYS1, 2, Vytautas BLEIZGYS1, 2, Tadas LIPINSKIS1, 2Center for Physical Sciences and Technology (1), Vilnius Gediminas Technical University (2) Abstract. The overvoltage in the inverter that supplies the AC induction motor, which during the deceleration operates as a generator delivering current back into the inverter DC bus, has been investigated. The investigationContinue reading “An Analysis of the Inverter Overvoltage Generated by the Motor”
PWM Drive Motor Failures due to Transient Voltages
Published by Electrotek Concepts, Inc., PQSoft Case Study: PWM Drive Motor Failures due to Transient Voltages, Document ID: PQS0404, Date: June 30, 2004. Abstract: In an effort to improve the efficiency of many industrial processes, equipment has been retrofitted with adjustable speed drives (ASDs). The ASDs allow for better speed control, soft starting of motors, andContinue reading “PWM Drive Motor Failures due to Transient Voltages”
Customer Adjustable-Speed Drive Motor Failure Evaluation
Published by Electrotek Concepts, Inc., PQSoft Case Study: Customer Adjustable-Speed Drive Motor Failure Evaluation, Document ID: PQS1010, Date: October 15, 2010. Abstract: This case study presents a customer adjustable-speed drive motor winding failure analysis. The study investigated the potential for severe high frequency transient overvoltages at induction motor terminals for an adjustable-speed drive that utilized aContinue reading “Customer Adjustable-Speed Drive Motor Failure Evaluation”
Customer Induction Motor Starting Evaluation
Published by Electrotek Concepts, Inc., PQSoft Case Study: Customer Induction Motor Starting Evaluation, Document ID: PQS0904, Date: October 15, 2009. Abstract: This case study shows the results for simulations completed to determine the severity of an undervoltage condition during starting of a customer induction motor starting. The simulations for the case were completed using the PSCADContinue reading “Customer Induction Motor Starting Evaluation”
Power Factor Correction
Published by Electrotek Concepts, Inc., PQSoft Case Study: Power Factor Correction, Document ID: PQS0312, Date: April 16, 2003. Abstract: Low power factor because it means that you are using the facility’s electrical system inefficiently. It can also cause equipment overloads, low voltage conditions, and greater line losses. Most importantly, low power factor can increase totalContinue reading “Power Factor Correction”
Voltage Notching and Distribution Systems – Large Induction Motor Drive
Published by Electrotek Concepts, Inc., PQSoft Case Study: Voltage Notching and Distribution Systems – Large Induction Motor Drive, Document ID: PQS0320, Date: July 18, 2003. Abstract: This case describes voltage notching associated with large adjustable speed drives. The notching is a normal characteristic of a phase-controlled rectifier but this paper illustrates problems that can occur onContinue reading “Voltage Notching and Distribution Systems – Large Induction Motor Drive”
Real Time Sustainable Power Quality Analysis of Non-Linear Load under Symmetrical Conditions
Published by Pavan Babu Bandla 1, Indragandhi Vairavasundaram 1, Yuvaraja Teekaraman 2, Ramya Kuppusamy 3 and Srete Nikolovski 4,* 1School of Electrical Engineering, Vellore Institute of Technology, Vellore 632014, India2MOBI-Mobility, Logistics and Automotive Technology Research Centre, Vrije Universiteit Brussel, 1050 Brussels, Belgium3Department of Electrical and Electronics Engineering, Sri Sairam College of Engineering, Bangalore 562106, India4PowerContinue reading “Real Time Sustainable Power Quality Analysis of Non-Linear Load under Symmetrical Conditions”
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