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Multiplying Factor in Momentary Duty

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kookypedia

kookypedia

Electrical
Jun 9, 2016
62
Guys,
Do you know how to calculate MF in Momentary Duty? (I think MF is used to account for DC component of SC and to get the Asymmetrical value from Symmetrical momentary short circuit value.)
 
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See the graph below and the enclosed file.
There are table available for the MF

Hope this help

MF_LV_CB_Interrupting_Duty_Cycle_rv5bt7.gif


 
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This looks awesome. Do we have anything similar for MV too?
 
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