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Relevant bibliographies by topics / Speed variable drives

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Academic literature on the topic 'Speed variable drives'

Author: Grafiati

Published: 4 June 2021

Last updated: 16 February 2022

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Journal articles on the topic "Speed variable drives"

1

BARTON, T. H. "VARIABLE FREQUENCY VARIABLE SPEED AC DRIVES." Electric Machines & Power Systems 12, no. 3 (January 1987): 143–63. http://dx.doi.org/10.1080/07313568708960100.

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Strangas, E. G., V. E. Wagner, and T. D. Unruh. "Variable speed drives evaluation test." IEEE Industry Applications Magazine 4, no. 1 (1998): 53–57. http://dx.doi.org/10.1109/2943.644887.

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Drury, W., and D. Grant. "Variable-speed drives - the future." Power Engineering Journal 8, no. 1 (February 1, 1994): 27–34. http://dx.doi.org/10.1049/pe:19940103.

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Herák, D., V. Šleger, R. Chotěborský, K. Houška, and E. Janča. "Kinematical characteristic of mechanical frictional variable speed drive." Research in Agricultural Engineering 52, No. 2 (February 7, 2012): 61–68. http://dx.doi.org/10.17221/4881-rae.

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The paper describes a new system of mechanical spherical conical friction drive. In the present a row of simple friction, belt, chain, wave and differential variable speed drives is published. For the required range of speed variation they are altogether unfit. The currently used power transmissions are of low efficiency (60–70%). Therefore the better power transmission efficiency is required. The possibility of multicontact power transmission appears as the most suitable principle of the power transmission. Using the designed function model, which was made according to the small tractor producers requirements, the real output kinematical characteristic was measured. It is derived the complete drive conversion unit kinematics and the theoretical kinematical characteristic design. The theoretical design is compared with the real characteristic determined by measuring using the test station. From the measured values we determined that the geometrical characteristic, i.e. the relation between output speed and ring position, corresponds in the ring position range (2.8÷14) mm to the theoretical premise.

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Bodson, J. M. "Digital Control Improves Variable Speed Drives." EPE Journal 2, no. 4 (January 1992): 243–48. http://dx.doi.org/10.1080/09398368.1992.11463303.

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Tolvanen, Jukka. "Saving energy with variable speed drives." World Pumps 2008, no. 501 (June 2008): 32–33. http://dx.doi.org/10.1016/s0262-1762(08)70164-0.

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Medford, D. C. "Power Electronics and Variable Speed Drives." IEE Review 35, no. 1 (1989): 36. http://dx.doi.org/10.1049/ir:19890014.

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Darley, Dana. "Conveying Savings via Variable Speed Drives." Plastics Engineering 70, no. 2 (February 2014): 40–41. http://dx.doi.org/10.1002/j.1941-9635.2014.tb01124.x.

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Davis, R. M. "Power Electronics and Variable Speed Drives." Power Engineering Journal 3, no. 6 (1989): 310. http://dx.doi.org/10.1049/pe:19890052.

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Stokes, R. W. "Power Electronics and Variable Speed Drives." Power Engineering Journal 5, no. 5 (1991): 248. http://dx.doi.org/10.1049/pe:19910048.

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Dissertations / Theses on the topic "Speed variable drives"

1

Bhargava, Rajat. "Simulation models for variable speed electric drives." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq22571.pdf.

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Stefani, Andrea <1976&gt. "Induction Motor Diagnosis in Variable Speed Drives." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2010. http://amsdottorato.unibo.it/2311/.

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Several diagnostic techniques are presented for the detection of electrical fault in induction motor variable speed drives. These techinques are developed taking into account the impact of the control system on machine variables and non stationary operating conditions.

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Maggs, John David. "Electromagnetic interference from variable speed motor drives." Thesis, Aston University, 1996. http://publications.aston.ac.uk/15347/.

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A methodology is presented which can be used to produce the level of electromagnetic interference, in the form of conducted and radiated emissions, from variable speed drives, the drive that was modelled being a Eurotherm 583 drive. The conducted emissions are predicted using an accurate circuit model of the drive and its associated equipment. The circuit model was constructed from a number of different areas, these being: the power electronics of the drive, the line impedance stabilising network used during the experimental work to measure the conducted emissions, a model of an induction motor assuming near zero load, an accurate model of the shielded cable which connected the drive to the motor, and finally the parasitic capacitances that were present in the drive modelled. The conducted emissions were predicted with an error of +/-6dB over the frequency range 150kHz to 16MHz, which compares well with the limits set in the standards which specify a frequency range of 150kHz to 30MHz. The conducted emissions model was also used to predict the current and voltage sources which were used to predict the radiated emissions from the drive. Two methods for the prediction of the radiated emissions from the drive were investigated, the first being two-dimensional finite element analysis and the second three-dimensional transmission line matrix modelling. The finite element model took account of the features of the drive that were considered to produce the majority of the radiation, these features being the switching of the IGBT's in the inverter, the shielded cable which connected the drive to the motor as well as some of the cables that were present in the drive.

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Larbes, Cherif. "Boost modulation : control of AC variable speed drives." Thesis, Lancaster University, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.304281.

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Khan, Hamid. "Optimised space vector modulation for variable speed drives." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2012. http://tel.archives-ouvertes.fr/tel-00999475.

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The dissertation documents research work carried out on Pulse Width Modulation (PWM) strategies for hard switched Voltage Source Inverters (VSI) for variable speed electric drives. This research is aimed at Hybrid Electric Vehicles (HEV). PWM is at the heart of all variable speed electric drives; they have a huge influence on the overall performance of the system and may also help eventually give us an extra degree of freedom in the possibility to rethink the inverter design including the re-dimensioning of the inverter components.HEVs tend to cost more than conventional internal combustion engine (ICE) vehicles as they have to incorporate two traction systems, which is the major discouraging factor for consumers and in turn for manufacturers. The two traction system increases the maintenance cost of the car as well. In addition the electric drives not only cost extra money but space too, which is already scarce with an ICE under the hood. An all-electric car is not yet a viable idea as the batteries have very low energy density compared with petrol or diesel and take considerable time to charge. One solution could be to use bigger battery packs but these add substantially to the price and weight of the vehicle and are not economically viable. To avoid raising the cost of such vehicles to unreasonably high amounts, autonomy has to be compromised. However hybrid vehicles are an important step forward in the transition toward all-electric cars while research on better batteries evolves. The objective of this research is to make electric drives suitable for HEVs i.e. lighter, more compact and more efficient -- requiring less maintenance and eventually at lower cost so that the advantages, such as low emissions and better fuel efficiency, would out-weigh a little extra cost for these cars. The electrical energy source in a vehicle is a battery, a DC Voltage source, and the traction motor is generally an AC motor owing to the various advantages it offers over a DC motor. Hence the need for a VSI, which is used to transform the DC voltage into AC voltage of desired amplitude and frequency. Pulse width modulation techniques are used to control VSI to ensure that the required/calculated voltage is fed to the machine, to produce the desired torque/speed. PWM techniques are essentially open loop systems where no feedback is used and the instantaneous values differ from the required voltage, however the same average values are obtained. Pulse width modulated techniques produce a low frequency signal (desired average value of the switched voltage) also called the fundamental component, along with unwanted high frequency harmonics linked to the carrier signal frequency or the PWM period. In modern cars we see more and more mechanical loads driven by electricity through digital processors. It is very important to eliminate the risk of electromagnetic interference between these systems to avoid failure or malfunction. Hence these unwanted harmonics have to be filtered so that they do not affect the electronic control unit or other susceptible components placed in the vicinity. Randomised modulation techniques (RPWM) are used to dither these harmonics at the switching frequency and its multiple. In this thesis a random modulator based on space vector modulation is presented which has additional advantages of SVM. Another EMI problem linked to PWM techniques is that they produce common mode voltages in the load. For electric machines, common mode voltage produces shaft voltage which in turn provokes dielectric stress on the motor bearings, its lubricant and hence the possibility of generating bearing currents in the machine that can be fatal for the machine. To reduce the common mode voltage a space vector modulation strategy is developed based on intelligent placement of zero vectors. (...)

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Okaeme, Nnamdi. "Automated robust control system design for variable speed drives." Thesis, University of Nottingham, 2008. http://eprints.nottingham.ac.uk/10584/.

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Traditional PI controllers have been largely employed for the control of industrial variable speed drives due to the design ease and performance satisfaction they provide but, the problem is that these controllers do not always provide robust performance under variable loads. Existing solutions present themselves as complex control strategies that demand specialist expertise for their implementation. As a direct consequence, these factors have limited their adoption for the industrial control of drives. To counter this trend, the thesis proposes two techniques for robust control system design. The developed strategies employ particular Evolutionary Algorithms EA), which enable their simple and automated implementation. More specifically, the EA employed and tested are the Genetic Algorithms (GA), Bacterial Foraging (BF) and the novel Hybrid Bacterial Foraging, which combines specific desirable features of the GA and BF. The first technique, aptly termed Robust Experimental Control Design, employs the above mentioned EA in an automated trial-and-error approach that involves directly testing control parameters on the experimental drive system, while it operates under variable mechanical loads, evolving towards the best possible solutions to the control problem. The second strategy, Robust Identification-based Control Design, involves a GA system identification procedure employed in automatically defining an uncertainty model for the variable mechanical loads and, through the adoption of the Frequency Domain H-infinity Method in combination with the developed EA, robust controllers for drive systems are designed. The results that highlight the effectiveness of the robust control system design techniques are presented. Performance comparisons between the design techniques and amongst the employed EA are also shown. The developed techniques possess commercially viable qualities because they elude the need for skilled expertise in their implementation and are deployed in a simple and automated fashion.

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Scheidiger, Michael. "Power System Harmonics Analysis of HighPower Variable Speed Drives." Thesis, KTH, Elektrisk energiomvandling, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-153676.

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Power system harmonics are a topic of significant concern when considering power quality issues in systems containing Variable Speed Drives. The extent to which grid-connected power electronics based motor drives affect power quality is tightly enforced through standards, and must be adhered to. To ensure compliance, harmonic models of Variable Speed Drives and relevant components of the connected power system are evaluated. When necessary, analysis results can be used to aid the design of additional harmonic mitigation measures. Harmonic assessments are most commonly carried out using time-domain models. This thesis details the fundamentals of harmonic assessment and mitigation measure design. Matlab implementations of those fundamentals are discussed, with comments regarding the accuracy and limitations of each. State of the art analytical harmonic models for Voltage Source Variable Speed Drives are analyzed and compared, from which a new model for 3-level inverter Variable Speed Drives is proposed. The new model can be implemented in any numerical computing environment and is thought to generate a harmonic current spectrum for an approximate judgement of harmonic compliance based on the current injection method.
Övertoner i kraftsystem innehållande frekvensomriktare är ett viktigt ämne när el-kvalité behandlas. Den grad nätanslutna elektroniska motorsystem påverkar el-kvalitén är noggrant upprätthållen av standarder och måste följas därefter. För att säkerställa att standarder upprätthålls utvärderas modeller för frekvensomriktare och relevanta komponenter. När det anses nödvändigt kan resultaten vara vägledande för design av ytterligare övertonsminskande åtgärder. Utvärdering av övertoner görs i allmänhet med hjälp av modeller i tidsdomän. Denna uppsats går igenom grunderna för bedömning av övertoner och design av övertonsminskande åtgärder. Matlab-modeller av dessa diskuteras i termer av precision och begränsningar. De främsta analytiska modeller for frekvensomriktare undersöks och jämförs, varefter en ny modell av en växelriktare med 3 nivåer föreslås. Denna modell kan med enkelhet implementeras i numeriska datormiljöer och framställer ett frekvensspektrum av strömmen för en approximativ bedömning av el-kvalité baserad på ströminmatningsmetoden.

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Allaith, Noori A. "Intelligent power module for variable speed AC motor drives." Thesis, University of Bristol, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.361134.

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Midoun, A. "PWM strategies for microprocessor control of variable speed drives." Thesis, University of Bristol, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.232790.

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Wheeler, Patrick W. "A matrix converter for variable speed AC motor drives." Thesis, University of Bristol, 1993. http://hdl.handle.net/1983/1eec4275-808a-4125-813b-4f6e00881f44.

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Books on the topic "Speed variable drives"

1

Brumbach, Michael E. Electronic variable speed drives. 2nd ed. Albany, N.Y: Delmar, 2002.

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Electronic variable speed drives. Albany, N.Y: Delmar Publishers, 1996.

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Bush, K. G. Electrical variable speed drives. Edited by Reeves E. A. Oxford: Blackwell Science, 1995.

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Variable speed drive fundamentals. 3rd ed. Lilburn, GA: Fairmont Press, 1999.

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Variable speed drive fundamentals. Lilburn, GA: Fairmont Press, 1994.

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Variable speed drive fundamentals. 2nd ed. Liburn, GA: Fairmont Press, 1997.

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Püttgen, H. B. Adjustable speed drives: Directory. 3rd ed. Palo Alto, CA: The Institute, 1991.

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8

The application of variable speed drives. Research Triangle Park, N.C: Instrument Society of America, 1987.

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9

Associates, Inc ADM. Adjustable-speed drives project: Project summary. Madison, WI: Wisconsin Center for Demand-Side Research, 1993.

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Associates, Inc ADM. Adjustable-speed drives project: Case studies. Madison, WI: Wisconsin Center for Demand-Side Research, 1993.

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Book chapters on the topic "Speed variable drives"

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Osman, Richard H. "Solid-State Variable Speed Drives." In Standard Handbook of Industrial Automation, 376–85. Boston, MA: Springer US, 1986. http://dx.doi.org/10.1007/978-1-4613-1963-4_23.

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Leonhard, Werner. "Power Supplies for Variable Speed AC Drives." In Control of Electrical Drives, 187–203. Berlin, Heidelberg: Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/978-3-662-11371-4_12.

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Revol, Bertrand. "Electromagnetic Compatibility of Variable Speed Drives." In Power Electronic Converters, 159–202. Hoboken, NJ USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118621196.ch7.

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Morawiec, Marcin. "Appendix E." In Variable Speed AC Drives with Inverter Output Filters, 289–307. Chichester, UK: John Wiley & Sons, Ltd, 2015. http://dx.doi.org/10.1002/9781118782989.app5.

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Didden, M., J. Driesen, and R. Belmans. "Possible Problems and Solutions when Introducing Variable Speed Drives." In Energy Efficiency in Motor Driven Systems, 471–77. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-642-55475-9_68.

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Caron, Stan, Arne Berteyn, Pieter Defreyne, Steve Dereyne, and Kurt Stockman. "Calorimetric Efficiency Determination of Power Electronic Variable Speed Drives." In Springer Proceedings in Energy, 595–609. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-69799-0_42.

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Abrahamsen, Flemming, Frede Blaabjerg, and John K. Pedersen. "Efficiency Improvement of Variable Speed Electrical Drives for HVAC Applications." In Energy Efficiency Improvements in Electronic Motors and Drives, 130–35. Berlin, Heidelberg: Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-642-59785-5_14.

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Sarker, Rishiraj, Debaparna Sengupta, and Asim Datta. "PWM Control Technique for Switched Reluctance Generator in Variable Speed Applications." In Recent Advances in Power Electronics and Drives, 339–50. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-8586-9_31.

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Wick, A. F. "Developments, Applications and Cost-Effectiveness of Variable Speed AC Drives." In Demand-Side Management and Electricity End-Use Efficiency, 299–320. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-1403-2_16.

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Thøgersen, Paul, and Kenneth Skaug Rasmussen. "Electric Variable Speed Drives Development (1–300 kW) and Some Impacts on Energy Saving." In Energy Efficiency Improvements in Electric Motors and Drives, 166–74. Berlin, Heidelberg: Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/978-3-642-60832-2_14.

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Conference papers on the topic "Speed variable drives"

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Snyder, Harold T. "Variable Speed Drives." In ASME 1995 Citrus Engineering Conference. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/cec1995-4101.

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The 3 C’s Cash - Control - and Coordination based on the use of variable speed drives in the Citrus Industry is covered in this paper. Proper use of variable speed drives results in more money (CASH) from Energy Savings, Reduced Maintenance cost, and Improved Efficiencies. By regulating the speed of pumps and conveyor belts, less problems from mismatched speeds occur (CONTROL). The timing of the material reaching the correct location through proper speeds of equipment means improved COORDINATION. The various types of variable speed drives and their manufacturers are discussed. The type of drives covered range from simple eddy current, with minimum control features, to electronic AC and DC drives with unlimited control functions. Paper published with permission.

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"Multiphase Variable Speed Drives." In IECON 2012 - 38th Annual Conference of IEEE Industrial Electronics. IEEE, 2012. http://dx.doi.org/10.1109/iecon.2012.6389319.

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Maggs, J. D. "Electromagnetic compatibility of variable speed drives." In 6th International Conference on Power Electronics and Variable Speed Drives. IEE, 1996. http://dx.doi.org/10.1049/cp:19960973.

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Young, D. "Variable speed drives in steel manufacture." In IEE Seminar on PWM Medium Voltage Drives. IEE, 2000. http://dx.doi.org/10.1049/ic:20000341.

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Viholainen, Juha, Mervi Sihvonen, and Jukka Tolvanen. "Flow control with variable speed drives." In 2010 IEEE International Conference on Industrial Technology. IEEE, 2010. http://dx.doi.org/10.1109/icit.2010.5472705.

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Abraham, Amit, and Willie A. Cronje. "Power quality surrounding Variable Speed Drives." In 2012 IEEE Power & Energy Society Conference and Exposition in Africa: Intelligent Grid Integration of Renewable Energy Resources (PowerAfrica 2012). IEEE, 2012. http://dx.doi.org/10.1109/powerafrica.2012.6498640.

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Pauwels, K. M. "Energy savings with variable speed drives." In 16th International Conference and Exhibition on Electricity Distribution (CIRED 2001). IEE, 2001. http://dx.doi.org/10.1049/cp:20010851.

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Gokani, S. "EMC measurements and simulation in variable speed drives." In 6th International Conference on Power Electronics and Variable Speed Drives. IEE, 1996. http://dx.doi.org/10.1049/cp:19960974.

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Van der Duijn Schouten, N. P. "Integrated drives using high voltage power ICs." In 8th International Conference on Power Electronics and Variable Speed Drives. IEE, 2000. http://dx.doi.org/10.1049/cp:20000307.

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Haeussler, A., and G. Mohr. "Variable-Speed AC Drives for Drilling Plants." In Offshore Technology Conference. Offshore Technology Conference, 1991. http://dx.doi.org/10.4043/6736-ms.

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Reports on the topic "Speed variable drives"

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Markley, Daniel J. Siemens programmable variable speed DC drives applied to wet and dry expansion engines. Office of Scientific and Technical Information (OSTI), July 1997. http://dx.doi.org/10.2172/16226.

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Xu, Tengfang. Best Practices for Energy Efficient Cleanrooms Efficient HVACSystems: Variable-Speed-Drive Chillers. Office of Scientific and Technical Information (OSTI), June 2005. http://dx.doi.org/10.2172/895796.

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Lipo, T. A., and P. Tenca. Design and Test of a Variable Speed Wind Turbine System Employing a Direct Drive Axial Flux Synchronization Generator: 29 October 2002 - 31 December 2005. Office of Scientific and Technical Information (OSTI), July 2006. http://dx.doi.org/10.2172/887343.

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Low Wind Speed Technology Phase II: Investigation of the Application of Medium-Voltage Variable-Speed Drive Technology to Improve the Cost of Energy from Low Wind Speed Turbines; Behnke, Erdman and Whitaker Engineering, Inc. Office of Scientific and Technical Information (OSTI), March 2006. http://dx.doi.org/10.2172/878476.

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