GB/T 21697-2022
Insulation coordination of lightning overvoltage for low-voltage distribution wiring and electronic systems (English Version)

Standard No.
GB/T 21697-2022
Language
Chinese, Available in English version
Release Date
2022
Published By
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 21697-2022
Replace
GB/T 21697-2008
Scope
This document specifies the lightning current and lightning overvoltage of low-voltage distribution lines and electronic systems, insulation coordination and insulation levels, insulation tests and their requirements, and the selection and application of lightning protection measures. This document applies to low-voltage distribution lines and electronic systems with AC rated voltage not greater than 1000V and DC rated voltage not greater than 1500V.

GB/T 21697-2022 Referenced Document

  • GB/T 16927.1-2011 High-voltage test techniques.Part 1:General definitions and test requirements
  • GB/T 21714.3 Protection against lightning.Part 3: Physical damage to structures and life hazard
  • GB/T 33588.2 Lightning protection system components (LPSC)—Part 2: Requirements for air-termination systems,down-conductors and earth electrodes

GB/T 21697-2022 history

  • 2022 GB/T 21697-2022 Insulation coordination of lightning overvoltage for low-voltage distribution wiring and electronic systems
  • 2008 GB/T 21697-2008 Insulation coordination of Low voltage power line and electronic system
Insulation coordination of lightning overvoltage for low-voltage distribution wiring and electronic systems



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