Iec 60815-2 Pdf Jun 2026

(post insulators, bushings). Key Technical Concepts

High-density industrial zones and coastal areas exposed to sea sprays.

: Allows utilities to specify exact geometric demands to international manufacturers.

Replaces older, less accurate methods (like the 1986 technical report) with updated data based on modern research and field experience. Summary of Scope and Application Description Standard IEC/TS 60815-2:2008 Scope Ceramic and Glass Insulators for a.c. systems Focus Selection & Dimensioning in Polluted Conditions Replaces IEC 60815:1986 (partial) Key Metric Site Pollution Severity (SPS) based on ESDD/NSDD iec 60815-2 pdf

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: Locations directly exposed to desert salt storms or severe coastal spray.

The document is the second part of the broader , which collectively defines how to manage pollution-related flashover risks in power systems. While Part 1 (IEC TS 60815-1) establishes general principles and definitions, Part 2 focuses specifically on standard materials like porcelain (ceramic) and glass. (post insulators, bushings)

: The evaluation for selecting appropriate insulator profiles (the shape of the insulator's sheds or ribs) for ceramic and glass insulators has been simplified to make the process more straightforward.

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: Specific ratios for shed spacing, overhang, and creepage-to-clearance to prevent "bridging" during heavy rain or fog. Replaces older, less accurate methods (like the 1986

The standard relies on a classification system for environmental pollution, ranging from "Very Light" to "Very Heavy." This is typically measured via Equivalent Salt Deposit Density (ESDD) or Non-Soluble Deposit Density (NSDD). Unified Specific Creepage Distance (USCD):

Properly dimensioned insulators require less frequent manual cleaning. Enhance Grid Reliability:

While Part 3 of the IEC 60815 series addresses polymeric (composite) insulators, Part 2 strictly governs cap-and-pin glass units, long-rod porcelain, and post porcelain insulators.

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To successfully implement IEC 60815-2 during substation or transmission line design, follow this sequence: