capacitor start induction run motor
A commutator less DC motor is nothing but a self controlled synchronous motor is being widely used in industries for high speed and large capacity.
If the motor's shaft will not turn (is locked) because maybe its bearings have seized - up or the thing it is driving has got damaged so it won't allow the shaft to turn, the motor will overheat in short-order.
LRA (locked rotor amperage) is not considered. Starting current for a motor is usually in the neighbourhood of 300% of the FLA (full load amps). The FLA is taken from the motor's nameplate.
Locked rotor amperage is the amperage the motor draws when the voltage is first applied to the motor and the rotor has not started to turn. This amperage is usually up to 300% of the motors running amperage. Once the rotor starts to turn the motor generates a back EMF (electro motive force) that opposes the high inrush current. This back EMF drives the amperage down until the motor gets up to its rated speed at which time the motor amperage will be at its run amperage.
A motor that is locked up cannot make a rotation. The motor will not turn over or start. Try to turn the main pulley. When the pulley cannot be by just, the motor is locked up.
What is difference of blocked rotor and locked rotor protection of motor?Read more:What_is_difference_of_blocked_rotor_and_locked_rotor_protection_of_motor
Bristol Motor Speedway has a seating capacity of 160,000.
Locked rotor ampere
Locked rotor current is the amount of current a motor would draw if you energize the motor and the rotor (the spinning shaft) doesn't spin.
The capacity at Bristol Motor Speedway is 160,000.
It sounds like the motor stalled and the rotor was locked. In this state there is a heavy current draw that can burn the motor out. Hopefully it is protected by overload protection and the heaters should have taken the motor off line. The motor and crane should have been matched together as a unit. Check the mechanical capacity of the crane to make sure that it isn't working outside its lifting capacity. If the crane has a mechanical break on it check and make sure that the break is releasing when the motor starts.
The only time a motor should go into a locked rotor condition is if the motors connected load jams causing the motor to stop turning. At this point if the motor control circuitry is sized to the motor's full load amperage, the high rise in current will trip the motor off line.
Seek the help of a trusted mechanic to see why it locked up.
what is the oil capacity for a 14 hp Kawasaki
The tow capacity is 2000 pounds for the I6 motor.
2.5