IEEE 93-1962

93-1962 is a superseded technical standard titled AIEE Proposed Guide for Transformer Impulse Tests, focused on how transformer impulse testing was approached for power and energy equipment. It is relevant to engineers and technical teams working with transformer insulation and high-voltage performance, where controlled impulse tests help evaluate withstand capability and design consistency. For organizations reviewing legacy requirements, 93-1962 provides useful historical guidance on test practices and acceptance considerations.

93-1962 overview

This standard addresses the proposed guidance for transformer impulse tests in an AIEE context, making it a technical reference for high-voltage transformer evaluation. It is associated with impulse testing methods used to assess insulation behavior under transient electrical stress, which is a key concern in power apparatus engineering. Because 93-1962 is marked superseded, it is best treated as a historical document for understanding earlier test expectations, terminology, and procedural approaches rather than current compliance use.

Typical use cases

93-1962 may be used when reviewing transformer design records, comparing legacy test methods, or interpreting older impulse test reports for power transformers and related equipment. It can also support procurement or engineering teams that need to understand how impulse withstand checks were framed in earlier specifications. In practice, the document is most relevant to insulation coordination work, laboratory test planning, and evaluation of transformer performance under transient overvoltage conditions.

Why this standard matters

This standard matters because impulse testing is central to confirming that transformer insulation can handle lightning-like or switching transient stresses without failure. For utilities, manufacturers, and engineering reviewers, clear test guidance helps improve consistency, reduce interpretation errors, and support safer equipment selection. Even as a superseded reference, 93-1962 can be valuable for tracing the development of transformer test practices and for understanding legacy design or acceptance decisions.

• Transformer impulse test guidance
• High-voltage insulation evaluation
• Legacy AIEE technical reference
• Power apparatus testing context