| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | English CONTENTS <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | 1 General 1.1 Scope 1.2 Normative references <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | 2 Normal and special service conditions 2.1 Normal service conditions 2.2 Special service conditions 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | 4 Rating 4.1 Rated voltage (Ur) 4.2 Rated insulation level <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | 4.3 Rated frequency (fr) 4.4 Rated continuous current (Ir) and temperature rise 4.5 Rated short-time withstand current (Ik) and rated thermal short-time current (Ith) 4.6 Rated peak withstand current (Ip) and rated dynamic current (Id) 4.7 Rated duration of short-circuit (tk) and rated duration (tth) 4.8 Rated filling pressure pre of gas for insulation <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | 5 Design and construction 5.1 Limits of supply <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | 5.2 Pressure withstand requirements 5.3 Gas and vacuum tightness <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | 5.4 Mechanical forces applied on the connection interface 5.5 Mechanical forces applied on the bushing flange <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | 5.6 Horizontal and vertical displacement 5.7 Vibrations Tables Table 1 \u2013 Moment and forces applied on the bushing flange and transformer <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | 6 Type tests 6.1 General 6.2 Dielectric tests 6.2.1 Dielectric tests of bushing 6.2.2 Dielectric tests of transformer connection in a single phase enclosure 6.2.3 Dielectric tests of transformer connection in a three phase enclosure 6.3 Cantilever load withstand tests <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | 6.4 Gas tightness tests 7 Routine tests 7.1 General 7.2 External pressure test of the bushing 7.3 Tightness tests 8 Standard dimensions and tolerances 8.1 Single-phase direct connection between oil-filled transformer and switchgear 8.2 Three-phase direct connection between oil-filled transformer and switchgear <\/td>\n<\/tr>\n | ||||||
| 27<\/td>\n | 8.3 Connection between gas-insulated transformer and switchgear 8.4 Transformer tolerances 8.5 Mounting of the transformer on its foundation 9 Information to be given with enquiries, tenders and orders 10 Transport, storage, erection, operation and maintenance <\/td>\n<\/tr>\n | ||||||
| 28<\/td>\n | Figures Figure 1 \u2013 Typical direct connection between power transformer and gas-insulated metal-enclosed switchgear <\/td>\n<\/tr>\n | ||||||
| 29<\/td>\n | Figure 2 \u2013 Standard dimensions for typical direct connection between power transformer and gas-insulated metal-enclosed switchgear <\/td>\n<\/tr>\n | ||||||
| 30<\/td>\n | Figure 3 \u2013 Transformer tolerances for a typical direct connection shown on the example of a three-phase power transformer connected to a single-phase gas-insulated metal-enclosed switchgear <\/td>\n<\/tr>\n | ||||||
| 31<\/td>\n | Figure 4 \u2013 Transformer tolerances for a typical direct connection shown on the example of a three-phase power transformer connected to a three-phase gas-insulated metal-enclosed switchgear up to 170 kV <\/td>\n<\/tr>\n | ||||||
| 32<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" High-voltage switchgear and controlgear – Direct connection between power transformers and gas-insulated metal-enclosed switchgear for rated voltages above 52 kV<\/b><\/p>\n |