IS 9677 : 1980 Guide for limits of temperature-rise of the windings of electrical equipment when tested by different methods

1 Scope

1.1 This standard specifies guidelines for the limits oftemperature-rise for windings in electrical equipment measured byThis methods:

a) Thermometer method,

b) Resistance method, and

c) Embedded temperature detector method.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 1271 : 1958Classification of insulating materials for electricalmachinery and apparatus in relation to their thermalstability in service

IS 9676 : 1980Reference ambient temperature for electrical equipment

IS 9678 : 1980Methods of measuring temperature-rise of electricalequipment