IS 7538 : 1996 Three-phase squirrel cage induction motors for centrifugal pumps for agricultural applications

1 Scope

This standard covers three-phase squirrel cage induction motorsfor centrifugal pumps for agricultural application and where thepower supply variation is between +6 and -15 percent of the ratedvoltage, provided the performance characteristic as specified hereare suitable for the given application. This standard covers motorsfor voltages up to and including 650V and having output up to andincluding 15 kW.

2 References

List of referred Indian Standards

IS 325 :1996Three-phase induction motors

IS 900 :1992Code of practice for installation andmaintenance of induction motor

IS 1231 :1974Dimensions of three-phase foot-mountedinduction motor

IS 1271 :1985Thermal evaluation and classification ofelectrical insulation

IS 1885 : Part 35 :1993 Electrotechnical vocabulary : Part 35Rotatingmachinery

IS 2223 :1983Dimensions of flange mounted ac inductionmotors

IS 2254 :1985Dimensions of vertical shaft motors for pumps

IS 3043 :1987Code of practice for earthing

IS 4029 :1967Guide for testing three-phase induction motors

IS 4691 :1985Degrees of protection provided by enclosuresfor rotating electrical machinery

IS 4728 :1975Terminal marking and direction of rotation forrotating electrical machinery

IS 6362 :1995Designation of methods of cooling of rotating

IEC Pub 34-6 : 1991electrical machines

IS 12065 :1987 Permissible limits of noise levels of rotatingelectrical machines

IS 12075 :1987Mechanical vibration of rotating electricalmachines with shaft heights 56 mm and highermeasurement, evaluation and limits of vibrationseverity (superseding IS 4729)

IS 12360 :1988Voltage bands for electrical installationsincluding preferred voltages and frequency(superseding IS 585)

IS 12802 :1989Temperature-rise measurement of rotatingelectrical machines

IS 12824 :1989Type of duty and classes of rating assigned torotating electrical machines