It is the chiller plant pump and we were trying to run the pump,unfortunately the motor was damaged.so what could have happened to this motor.
If the motor is filled with water, don't run it. Disassemble the motor and oven bake until the moisture is evaporated. If the motor is immersed while operating, the motor may be burnt. Megger test between line to ground and between two lines. If the insulation resistance is below 1 megohm, the motor may be burnt.
Just a big, old-fashioned short circuit.
