Can a Shaft Brush be Safely Applied on a Motor in a Class I Hazardous Location?

Some inverter-fed motors, particularly at higher power ratings, are supplied with a shaft brush in order to help mitigate bearing currents. As more inverters are applied to motors in Class I Division 1/Zone 1 and Class I Division 2/Zone 2 locations, there is a need to understand whether a shaft brus...

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Veröffentlicht in:	IEEE transactions on industry applications 2015-09, Vol.51 (5), p.4329-4334
Hauptverfasser:	Melfi, Michael J., Ladonne, Francis G., Ankele, Donald W.
Format:	Artikel
Sprache:	eng
Schlagworte:	Brushes Capacitors Grounding Hazardous location Inverter Inverters Motor Safety Shaft brush Shaft voltage Shafts Sparking Voltage measurement
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