Are there any special considerations in designing the electrical protection of motors driving Firewater pumps (NFPA design)? Is there any practice of providing only minimum protections for these motors? (only overcurrent / earth fault in place of comprehensive protection including locked rotor /...
We have a recently repaired motor (3300 V, 360 kW, 1000 rpm, vertical sq. cage induction motor). Is it safe to take no load test run of the motor, keeping it in horizontal position? This is required since we do not have the right jig / fixture to mount the motor in our workshop in vertical position.
