An online groundwall and phase-to-phase insulation quality assessment technique for AC-machine stator windings

An online technique for monitoring the condition of the groundwall (GW) and phase-to-phase (PP) insulation for three-phase ac-machine stator windings is proposed in this paper. Insulation-condition indicators such as capacitance, dissipation factor (tandelta), and ac insulation resistance are calcul...

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Veröffentlicht in:	IEEE transactions on industry applications 2006-07, Vol.42 (4), p.946-957
Hauptverfasser:	Sang Bin Lee, Jinkyu Yang, Younsi, K., Bharadwaj, R.M.
Format:	Artikel
Sprache:	eng
Schlagworte:	AC machines capacitance Capacitance measurement Coils (windings) Condition monitoring Degradation dissipation factor Electrical resistance measurement fault diagnosis groundwall (GW) insulation Guidelines Indicators Insulation insulation resistance (IR) Insulation testing On-line systems Online online condition monitoring Phase measurement phase-to-phase (PP) insulation Polypropylenes Quality assessment Stator windings Stators System testing
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