1
vote
2answers
228 views

Continuously Measure 3-Phase Motor Current

What methods are there for continuously monitoring the current in a 3-phase servo motor for a CNC machine and giving an alarm when the current is less than some value?
5
votes
2answers
2k views

A proper way to determine correct voltage of unmarked components?

My kids have been tearing apart a number of different gadgets, from RC cars, to toys, to coffee makers. There are a variety of cool little motors and lights in these devices that we would like to use ...
2
votes
2answers
497 views

CNC Servo motor current measure

What methods and equipments can I used to measure and record the current variation of CNC servo motor while machining.