IS 11221 : 1984 Recommended test methods for determining the relative resistance of insulating materials to breakdown by surface discharges

1 Scope

1.1 The method of test covers procedure to assess the relativeresistance of solid insulating materials to breakdown when exposedto partial surface discharge at stresses and frequencies used inindustrial service.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 2071 : Part 2 :1976 Methods of high voltage testing:Part 2 Test procedures

IS 2260 :1973Specification for preconditioning, conditioningand testing of solid electrical insulatingmaterials