IEC 60099-4 : 3.0
IEC 60099-4 : 3.0
SURGE ARRESTERS - PART 4: METAL-OXIDE SURGE ARRESTERS WITHOUT GAPS FOR A.C. SYSTEMS
International Electrotechnical Committee
SURGE ARRESTERS - PART 4: METAL-OXIDE SURGE ARRESTERS WITHOUT GAPS FOR A.C. SYSTEMS
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 (design tests)
9 Routine tests and acceptance tests
10 Test requirements on polymer-housed surge
arresters
11 Test requirements on gas-insulated metal enclosed
arresters (GIS-arresters)
12 Separable and dead-front arresters
13 Liquid-immersed arresters
Annex A (normative) - Abnormal service conditions
Annex B (normative) - Test to verify thermal equivalency
between complete arrester and arrester section
Annex C (normative) - Artificial pollution test with
respect to the thermal stress on porcelain
housed multi-unit metal-oxide surge arresters
Annex D (informative) - Typical information given
with enquiries and tenders
Annex E (informative) - Ageing test procedure - Arrhenius
law - Problems with higher temperatures
Annex F (informative) - Guide for the determination
of the voltage distribution along metal-oxide
surge arresters
Annex G (normative) - Mechanical considerations
Annex H (normative) - Test procedure to determine the
lightning impulse discharge capability
Annex I (normative) - Determination of the start temperature
in tests including verification of thermal stability
Annex J (normative) - Determination of the average
temperature of a multi-unit high-voltage arrester
Annex K (informative) - Example calculation of test
parameters for the operating duty test (8.7)
according to the requirements of 7.3
Annex L (informative) - Comparison of the old energy
classification system based on line discharge
classes and the new classification system based
on thermal energy ratings for operating duty tests
and repetitive charge transfer ratings for repetitive
single event energies
Bibliography
Pertains to non-linear metal-oxide resistor type surge arresters without spark gaps designed to limit voltage surges on a.c. power circuits with U[s] above 1 kV.
Document Type | Standard |
Status | Current |
Publisher | International Electrotechnical Committee |
Committee | TC 37 |