![]() Lets say I'm using a 24V power supply, and I limit current to 1.5A in my stepper driver. ![]() ![]() The high number of teeth allows the motor to achieve a small step size, down to 0.9°. Lets take a real world example with this 4 wire stepper 17HS19-2004S1 Real motors have a more complex structure, with a higher number of teeth than the one shown in the picture, though the working principle of the stepper motor is the same. Some people use the rated voltage (rather than the actual voltage), some multiply the current by the number of phases (and some don't), and some say the current should be some fraction of the current limit set in the driver ( see this article from Geko), can any of the electrical engineers here provide a definitive answer? It sounds like a simple question (P = V x I), but I've found so many conflicting answers on the web that I'm not sure who to believe any more. I just want to calculate the max power requirements of my stepper motors so I can factor that into my power supply choice. ![]()
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