The portion of the insulator surface shielded from direct rain, which prevents natural washing but protects against uniform pollution wetting. Ceramic vs. Glass Insulators in AC Systems
Many engineering firms and utilities maintain corporate subscriptions to databases like IEEE Xplore, IHS Markit, or Techstreet, providing employees with direct access to standard PDFs. Conclusion
It replaces the older, single-part IEC 60815 (1986) standard, splitting the documentation into separate sections to address different insulator materials (such as ceramic/glass vs. polymeric/composite) and system types (AC vs. DC). Scope and Purpose iec 60815-2 pdf
It replaced the older, single-part IEC 60815 (1986) standard. The updated version provides a systematic framework to estimate pollution severity and select profile shapes. It determines the minimum creepage distance required to prevent electrical tracking and flashovers. Core Methodology of the Standard
2. Establish the Base Unified Specific Creepage Distance (USCD) The portion of the insulator surface shielded from
Definitions and references to related standards, including IEC 60038 (voltage levels), IEC 60050-471 (insulator terminology), IEC 60071 (insulation coordination), and IEC 60507 (artificial pollution tests).
The appropriate or Unified Specific Creepage Distance (USCD) . Conclusion It replaces the older, single-part IEC 60815
: Detailed instructions on how to measure ESDD and NSDD correctly to avoid under-dimensioning infrastructure. How to Access IEC 60815-2
This part of the IEC 60815 series specifically addresses outdoor high-voltage insulators made of ceramic (porcelain) or toughened glass. It provides the technical framework for engineers to: