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Organisationsprofil

Organisationsprofil

The Electric Machines section offers research expertise in modern electrical machines, drives and other electromagnetic devices.

Comprehensive knowledge is offered in the areas of

- Modelling of Magnetic Systems
- Magnetic Material Characterisation and Modelling
- Condition Monitoring and Diagnosis
- Development of Drive Systems
- Development of CAD Software

Modelling of Magnetic Systems
Finite Element modelling and computation is an important research tool for the section. Focus is mainly on the application of FE rather than development. However, in-house code is installed in the AD programmes. Techniques for displaying movies of dynamic Finite Element results have been developed.

For rapid computations, MEC (magnetic equivalent circuits) is conveniently applied for industrial design calculations on electrical machines and magnetic devices.

Magnetic Material Characterisation and Modelling
Iron losses is an important phenomena in electrical machines and magnetic devises, especially when the flux waveforms differ from the classical sinusoidal as it does in modern converter fed machines.

Condition Monitoring and Diagnosis
In collaboration with the Electric Power Systems section and Zhejiang University, Hangzhou, PRC the section has researched methods for condition monitoring and diagnosis of faults on rotating electrical machines. This is achieved using broad bandwidth measurement of current and voltage supplied to electrical machines, followed by the extraction and analysis of suitable indicator values.

Development of Drive Systems
Together with the Power Electronics section is a variety of different drives developed. Both simple and advanced control methods in drives are also research areas in the section.

Development of CAD software
A design and simulation CAD program for Switched Reluctance Motors has been developed and maintained for more than seven years. The program, called SRDaS (Switched Reluctance Design and Simulation) offers many unique features. For example an internal FE-code, and a noise and vibration module. The noise and vibration module creates a WAV file, and the acoustic noise emitted by a given designed SRM may be heard on a PC sound system. The program has been distributed to more than 100 engineers around the world and is free. A similar program SRDaS is currently under development for the design of magnetic gearboxes. This program is called MGDaS (Magnetic Gearbox and Simulation). 

Research Mission
The section has three major goal, which is

- To maintain the leading position in electrical machine research in Denmark and to be among the worldwide leadings in Switched Reluctance machines and magnetic gears
- To be innovative in new machine topologies and to maintain the fundamental and broad machine knowledge in the section
- To promote the section R&D to commercial exploitation and applications.

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Permanent magnets Teknik og materialevidenskab
Electric potential Teknik og materialevidenskab
Fluxes Teknik og materialevidenskab
Torque Teknik og materialevidenskab
Gears Teknik og materialevidenskab
Lead screws Teknik og materialevidenskab
Rotors Teknik og materialevidenskab
Inductance Teknik og materialevidenskab

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Projekter 2004 2020

MagCon v2: MagCon v2

Rasmussen, P. O., Nielsen, S. S., Lu, K., Wang, D. & Beck, M. Ø.

Flexlink AB

14/04/201814/04/2020

Projekter: ProjektForskning

Gears
Belt drives
Power electronics
Reactive power
Energy efficiency
Machine design
Magnets
Recycling
Rare earth elements
Permanent magnets

Lav-effekt drivsystem

Blaabjerg, F., Timbus, A. V., Rasmussen, P. O. & Lu, K.

19/05/2010 → …

Projekter: ProjektForskning

Publikationer 1992 2019

6 Downloads (Pure)

A New Load Torque Identification Sliding Mode Observer for Permanent Magnet Synchronous Machine Drive System

Lu, W., Zhang, Z., Wang, D., Lu, K., Wu, D., Ji, K. & Guo, L., 2019, I : IEEE Transactions on Power Electronics. 34, 8, s. 7852-7862

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Åben adgang
Fil
Permanent magnets
Loads (forces)
Torque
Variable structure control
Servomechanisms
1 Downloads (Pure)

Enhanced Position Sensorless Control Using Bilinear Recursive Least Squares Adaptive Filter for Interior Permanent Magnet Synchronous Motor

Wu, X., Huang, S., Liu, K., Lu, K., Hu, Y., Pan, W. & Peng, X., 2019, (Accepteret/In press) I : IEEE Transactions on Power Electronics.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Åben adgang
Fil
Fluxes
Control systems
Initial value problems
Sensorless control
Electric potential

Priser

Best Paper on Ecologial Vehicles

Jorge Varela Barreras (Modtager), Claudio Pinto (Modtager), Ricardo de Castro (Modtager), Erik Schaltz (Modtager), Søren Juhl Andreasen (Modtager), Peter Omand Rasmussen (Modtager) & Rui Esteves Araujo (Modtager), 5 mar. 2015

Pris: Konferencepriser

renewable energy sources
ions

Aktiviteter 2010 2010

  • 2 Foredrag og præsentationer i privat eller offentlig virksomhed

Diagnosis of Engineering Systems: MSc level

Krisztina Monika Leban (Foredragsholder)
2010

Aktivitet: Foredrag og mundtlige bidragForedrag og præsentationer i privat eller offentlig virksomhed

BasicWind-Modeling the Dynamics of Wind Generating Systems: PhD Course

Krisztina Monika Leban (Foredragsholder)
2010

Aktivitet: Foredrag og mundtlige bidragForedrag og præsentationer i privat eller offentlig virksomhed