M 15,
The wet wound motors I'm familiar with are for boiler water circulating pumps and submersible water supply pumps. Wet wind motors have a fluid (the fluid the unit is pumping) in the gap between rotor and stator and surrounding the conductors in the stator slots. The magnetic gap tends to...
I have recently had some rotors tested(with a core loss tester) and the results showed some high resistance joints between the rotor bars and the short circuit ring(these are brazed joints). I know that these high resistance joints will cause vibration issues, high current draw, and heating...