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On the Design of a Linear Composite Magnetic Damper
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- Bissal, Ara (author)
- KTH,Elektroteknisk teori och konstruktion
- Salinas, Ener (author)
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- Magnusson, Jesper (author)
- KTH,Elektroteknisk teori och konstruktion
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- (creator_code:org_t)
- IEEE Press, 2015
- 2015
- English.
- In: IEEE transactions on magnetics. - : IEEE Press. - 0018-9464 .- 1941-0069. ; 51:11
- Journal article (peer-reviewed)
Abstract
Subject headings
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- High-voltage direct current (HVdc) breakers are the key components in the realization of multiterminal HVdc grids. In the presence of fault current, these breakers should be able to deliver impulsive forces to swiftly open the metallic contacts. After the acceleration phase, the moving armature should be decelerated using controllable forces to avoid plastically deforming fragile components integrated in the system. In this paper, finite-element method-based simulation models, complimented with small-scale and large-scale experimental prototypes, were utilized to benchmark different damping topologies. It was found that a Halbach-based configuration can deliver a damping force that is almost two and a half times larger than its sequel. Its sequel, composed of vertically stacked oppositely oriented magnets, is easier to assemble and is also capable of generating a considerable damping force. Finally, it has been shown that both these schemes, inserted in a composite tube, have a potential to be used as dampers in HVdc breakers.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Teknisk mekanik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Applied Mechanics (hsv//eng)
Keyword
- Capacitance
- composite materials
- contacts
- eddy currents
- eddy-current dampers
- finite-element methods (FEMs)
- high-voltage direct current (HVdc) circuit breakers
- magnetic fields
- permanent magnets
Publication and Content Type
- ref (subject category)
- art (subject category)
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