- #1
slain4ever
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Homework Statement
Given the no-load test results of a DC motor connected in shunt to be:
Speed: 3000rpm
Applied voltage: 239V
Field current: 0.25A
Calculate the motor constant K_m, where K_m = K
Homework Equations
not really sure about the equations to use
i have these:
Km = T/ SQRT(P)
Km = Kt / SQRT(Rt)
but not really sure how I can use these to help solve the problem.
The Attempt at a Solution
I'm sure it's just a matter of finding the right formula than just plugging the values in. So if someone can give me the correct equations it would be very helpful, thank you