Category: MOTOR POWER RATING

Motor Rating Various Duty Cycles

Motor Rating Various Duty Cycles: From the point of view of calculation of motor rating various Motor Rating Various Duty Cycles can be broadly classified as: Continuous duty. Fluctuating loads. Short-time and intermittent duty. Continuous Duty: Maximum continuous power demand of the load is ascertained. A motor with next higher power rating from commercially available […]

Classes of Motor Duty in Electrical Drives

Classes of Motor Duty in Electrical Drives: IS: 4722-1968 categorises various load time variations encountered in practice into eight standard Classes of Motor Duty in Electrical Drives: Continuous duty. Short time duty. Intermittent periodic duty. Intermittent periodic duty with starting. Intermittent periodic duty with starting and braking. Continuous duty with intermittent periodic loading. Continuous duty […]

Selection of Motor Power Rating

Selection of Motor Power Rating: The Selection of Motor Power Rating of a motor for a specific application must be carefully chosen to achieve economy with reliability. Use of a motor having insufficient rating, either fails to drive the load at its normal productive level or lowers the productivity and reliability through frequent damages and […]