New specs for ASD motors

New specs for ASD motors

The two main issues in pulse-width modulated ASD motors namely: stress concentration at slot exits and at junctions between stress grading and corona protection materials, and winding insulation aging due to partial discharge and/or dielectric heating, often intensified between turns as well as acro...

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Veröffentlicht in:IEEE industry applications magazine 2007-01, Vol.13 (1), p.37-42
Hauptverfasser: Stranges, M.K.W., Stone, G.C., Bogh, D.L.
Format: Magazinearticle
Sprache:eng
Schlagworte:
Acceptance tests
Corona
Dielectric materials
Dielectrics and electrical insulation
Electric potential
Insulation
Intensity modulation
Motors
Protection
Pulse modulation
Space vector pulse width modulation
Specifications
Stator windings
Stators
Stress
Variable speed drives
Voltage
Winding
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Beschreibung
Zusammenfassung:The two main issues in pulse-width modulated ASD motors namely: stress concentration at slot exits and at junctions between stress grading and corona protection materials, and winding insulation aging due to partial discharge and/or dielectric heating, often intensified between turns as well as across the main-wall of the stator coils. This paper explores the IEC-60034-18-41 and IEC-60034-18-42 technical specifications for inverter duty motor insulation. These specifications describe the qualification and acceptance tests for both low and medium voltage motor windings in order to ensure reliability
ISSN:1077-2618
1558-0598
DOI:10.1109/MIA.2007.265785