This part of IEC 62271 specifies requirements for gas-insulated metal-enclosed switchgear in which the insulation is obtained, at least partly, by an insulating gas or gas mixture other than air at atmospheric pressure, for alternating current of rated voltages above 52 kV, for indoor and outdoor installation, and for service frequencies up to and including 60 Hz. For the purpose of this document, the terms “GIS” and “switchgear” are used for “gas-insulated metal-enclosed switchgear”. The gas-insulated metal-enclosed switchgear covered by this document consists of individual components intended to be directly connected together and able to operate only in this manner. This document completes and amends, if applicable, the various relevant standards applying to the individual components constituting GIS.<\/p>\n
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| 2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
| 5<\/td>\n | Annex ZA (normative)Normative references to international publicationswith their corresponding European publications <\/td>\n<\/tr>\n | ||||||
| 7<\/td>\n | English CONTENTS <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | 1 Scope 2 Normative references <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | 4 Normal and special service conditions <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 5 Ratings Tables Table 1 \u2013 Reference table of service conditions relevant to GIS <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | Table 2 \u2013 Rated insulation levels for rated voltagesfor equipment of range I (245 kV and below) <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | Table 3 \u2013 Rated insulation levels for rated voltages for equipment of range II(above 245 kV) <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | 6 Design and construction <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | Figures Figure 1 \u2013 Pressure coordination <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | Table 4 \u2013 Performance criteria <\/td>\n<\/tr>\n | ||||||
| 29<\/td>\n | Figure 2 \u2013 Example of arrangement of enclosures and gas compartments <\/td>\n<\/tr>\n | ||||||
| 32<\/td>\n | 7 Type tests <\/td>\n<\/tr>\n | ||||||
| 33<\/td>\n | Table 5 \u2013 Type tests <\/td>\n<\/tr>\n | ||||||
| 36<\/td>\n | Table 6 \u2013 Test voltage for measuring PD intensity <\/td>\n<\/tr>\n | ||||||
| 46<\/td>\n | 8 Routine tests <\/td>\n<\/tr>\n | ||||||
| 49<\/td>\n | 9 Guide to the selection of switchgear and controlgear (informative) 10 Information to be given with enquiries, tenders and orders (informative) 11 Transport, storage, installation, operating instructions and maintenance <\/td>\n<\/tr>\n | ||||||
| 53<\/td>\n | Table 7 \u2013 On-site test voltages <\/td>\n<\/tr>\n | ||||||
| 55<\/td>\n | 12 Safety <\/td>\n<\/tr>\n | ||||||
| 56<\/td>\n | 13 Influence of the product on the environment <\/td>\n<\/tr>\n | ||||||
| 57<\/td>\n | Annexes Annex A (normative) Test procedure for dielectric test on three-phase encapsulated GIS, range II (above 245 kV) Table A.1 \u2013 Switching impulse test conditions above 245 kV <\/td>\n<\/tr>\n | ||||||
| 58<\/td>\n | Annex B (normative) Methods for testing gas-insulated metal-enclosed switchgear under conditions of arcing due to an internal fault <\/td>\n<\/tr>\n | ||||||
| 61<\/td>\n | Annex C (informative) Technical and practical considerations of site testing <\/td>\n<\/tr>\n | ||||||
| 66<\/td>\n | Annex D (informative) Calculation of pressure rise due to an internal fault <\/td>\n<\/tr>\n | ||||||
| 67<\/td>\n | Annex E (informative) Information to be given with enquiries, tenders and orders Table E.1 \u2013 Normal and special service conditions <\/td>\n<\/tr>\n | ||||||
| 68<\/td>\n | Table E.2 \u2013 Ratings <\/td>\n<\/tr>\n | ||||||
| 69<\/td>\n | Table E.3 \u2013 Design and construction <\/td>\n<\/tr>\n | ||||||
| 70<\/td>\n | Table E.4 \u2013 Bus ducts Table E.5 \u2013 Bushing <\/td>\n<\/tr>\n | ||||||
| 71<\/td>\n | Table E.6 \u2013 Cable connection Table E.7 \u2013 Transformer connection Table E.8 \u2013 Current transformer Table E.9 \u2013 Inductive voltage transformer <\/td>\n<\/tr>\n | ||||||
| 72<\/td>\n | Table E.10 \u2013 Documentation for enquiries and tenders <\/td>\n<\/tr>\n | ||||||
| 73<\/td>\n | Annex F (informative) Service continuity <\/td>\n<\/tr>\n | ||||||
| 76<\/td>\n | Figure F.1 \u2013 MRE1X (e.g. repair of disconnector to busbar) Figure F.2 \u2013 MRE00 (e.g. during visual inspection) <\/td>\n<\/tr>\n | ||||||
| 77<\/td>\n | Figure F.3 \u2013 MRE01 (e.g. repair of circuit-breaker) Figure F.4 \u2013 MRE11 (e.g. repair of disconnector) <\/td>\n<\/tr>\n | ||||||
| 78<\/td>\n | Figure F.5 \u2013 MRE11 (e.g. extension of switchgear with a feeder bay) Figure F.6 \u2013 MRE13 (e.g. repair of disconnector) <\/td>\n<\/tr>\n | ||||||
| 79<\/td>\n | Figure F.7 \u2013 MRE2X (e.g. on-site dielectric test of busbar section A) Figure F.8 \u2013 MRE2X (e.g. on-site dielectric test of busbar section 1) <\/td>\n<\/tr>\n | ||||||
| 80<\/td>\n | Figure F.9 \u2013 MRE00 (e.g. repair of circuit-breaker) <\/td>\n<\/tr>\n | ||||||
| 81<\/td>\n | Annex G (informative) List of notes concerning certain countries <\/td>\n<\/tr>\n | ||||||
| 82<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" High-voltage switchgear and controlgear – AC gas-insulated metal-enclosed switchgear for rated voltages above 52 kV<\/b><\/p>\n |