IEEE 98-2002

IEEE 98-2002 is a technical standard for preparing test procedures used in the thermal evaluation of solid electrical insulating materials. It helps define how such procedures should be structured so that results are clearer, more consistent, and easier to compare. In the context of engineered materials, dielectrics, and power applications, this standard supports more disciplined insulation testing and better communication between laboratories, designers, and procurement teams.

Overview of IEEE 98-2002

This standard focuses on the preparation of test procedures rather than on a single material or device. IEEE 98-2002 is intended to guide the way thermal evaluation methods are written for solid insulating materials, helping reduce ambiguity in test setup, conditions, and reporting. That makes it especially relevant when insulating performance must be assessed in a controlled, repeatable way for electrical and thermal engineering work. It is useful wherever test documentation needs to support consistent technical interpretation.

Typical use cases

IEEE 98-2002 may be used when developing laboratory procedures for insulation materials that operate under thermal stress in electrical equipment. Common use cases include documenting tests for dielectric materials used in transformers, motors, generators, switchgear, and related power apparatus. It is also relevant during materials qualification, comparative testing, and internal engineering specifications where consistent procedure writing helps align test results across teams, suppliers, and facilities.

Why it matters

Clear test procedures are essential when evaluating how solid insulating materials respond to heat, aging, and operating conditions. IEEE 98-2002 supports better compliance control by making thermal testing more repeatable and easier to review. For engineers and buyers, that can reduce risk in material selection, improve confidence in reported performance, and help avoid inconsistencies between test programs. In practice, the standard contributes to more reliable comparisons and better-informed decisions.

• Thermal evaluation procedure preparation
• Solid electrical insulating materials
• Repeatable test documentation
• Engineering and laboratory alignment
• Power equipment material qualification