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RECS
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Post subject: Wound Rotor Circuit Arc Flash Risk Posted: Thu Aug 13, 2020 11:35 am |
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Joined: Sat Apr 04, 2009 9:50 pm Posts: 120 Location: San Antonio, TX
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An engineer asked my the following question.
Wound rotor induction motors have an external circuit coming from the motor rotor, through slip rings, to a variable resistor bank. The slip ring enclosure and the resistor bank cabinet have an arc flash risk. Is there an established method/standard for calculating the incident energy along the motor secondary circuit? Have you ever run into the situation before?
I do not have any experience with wound rotor induction motors.
Any one cares to enlighten me? Thanks.
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