SURGE ARRESTERS - PART 8: METAL-OXIDE SURGE ARRESTERS WITH EXTERNAL SERIES GAP (EGLA) FOR OVERHEAD TRANSMISSION AND DISTRIBUTION LINES OF A.C. SYSTEMS ABOVE 1 KV
International Electrotechnical Committee
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Identification and classification
5 Standard ratings and service conditions
6 Requirements
7 General testing procedure
8 Type tests
9 Routine tests
10 Acceptance tests
Annex A (informative) - Example of a test
circuit for the follow current
interrupting test
Annex B (normative) - Mechanical considerations
Annex C (normative) - Special service conditions
Bibliography
Includes metal-oxide surge arresters with external series gap (externally gapped line arresters (EGLA)) that are applied on overhead transmission and distribution lines, only to protect insulator assemblies from lightning-caused flashovers.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 37 |
