|Apr20-06, 05:18 AM||#1|
Seperately excited DC machine question
Hi, i would be very grateful for some help.......
I have recently conducted an experiment and but im not sure how to compare the values i measured with 'predicted' results (from theoretical equations). This is for the 'open circuit characteristic of a dc generator'.
I set values for the field current and recorded values of the armature voltage. Then plotted a graph of armature voltage against field current. The only other value i have to work with is that the machine was running at 1500rev/min.......
e.g. a measured value was - setting the field current to 0.1A i recorded 70.5Volts. All i want to know is how do i check this is about right????
Thanks very much,
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