This document specifies requirements for prefabricated metal-enclosed traction switchgear for alternating current with traction voltages and frequencies as specified in EN 50163:2004 and used in indoor and outdoor installations. Enclosures may include fixed and removable components and may be filled with fluid (liquid or gas) to provide insulation. NOTE 1 EN 50163 specifies the AC traction systems 15 kV 16,7 Hz and 25 kV 50 Hz. NOTE 2 This document applies to single-phase or two-phase systems. For metal-enclosed traction switchgear containing gas-filled compartments, the design pressure is limited to a maximum of 300 kPa (relative pressure). NOTE 3 EN 62271 203 can be used as a guide for design and testing in case the design pressure of gas-filled compartments exceeds 300 kPa (relative pressure). Components contained in metal-enclosed traction switchgear are to be designed and tested in accordance with their various relevant standards. This document supplements the standards for the individual components regarding their installation in traction switchgear assemblies. This document does not preclude that other equipment may be included in the same enclosure. In such a case, any possible influence of that equipment on the traction switchgear is to be taken into account. NOTE 4 Traction switchgear having an insulation enclosure is covered by EN 62271 201. For definition see there or IEV 441 12 06.<\/p>\n
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|---|---|---|---|---|---|---|---|
| 2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | 1 Scope 2 Normative references <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | 3 Terms and definitions [3] 4 Normal and special service conditions [4] <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | 5 Ratings [5] <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | 5.4.1 General 5.4.2 Rated insulation level [5.3] <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | 5.6.1 Rated continuous current (Ir) [5.5] 5.6.2 Basic current (IB) and duty class <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 6 Design and construction [6] <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | 7 Type tests [7] <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | 7.2.1 General 7.2.2 Application of the test voltage and test conditions [7.2.6] 7.2.3 Partial discharge tests [7.2.10] 7.2.4 Voltage test as condition check [7.2.12] 7.3.1 Continuous current tests [7.5] 7.3.2 Basic current tests 7.3.2.1 General 7.3.2.2 Condition of the test object 7.3.2.3 Arrangement of the equipment 7.3.2.4 Test current and duration <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | 7.3.2.5 Temperature measurement during test 7.3.2.6 Resistance of the main circuit 7.3.2.7 Criteria to pass test <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | 7.3.2.8 Test report [7.5.101] <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | 8 Routine tests [8] <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | 9 Guide to the selection of switchgear and controlgear (informative) [9] <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | 10 Information to be given with enquiries, tenders and orders (informative) [10] 11 Transport, storage, installation, operating instructions and maintenance [11] 12 Safety [12] <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | 13 Influence of the product on the environment [13] <\/td>\n<\/tr>\n | ||||||
| 27<\/td>\n | Annex A (normative)Internal arc fault \u2013Method to verify the internal arc classification (IAC) A.1 Room simulation [A.1] A.2 Indicators (for assessing the thermal effects of the gases) [A.2] A.3 Tolerances for geometrical dimensions of test arrangements [A.3] A.4 Test parameters [A.4] A.5 Test procedure [A.5] A.5.1 Supply circuit [A.5.1] A.5.1.1 Three phase and two phase tests [A.5.1.1] A.5.1.2 Single phase tests [A.5.1.2] A.5.1.3 Feeding arrangements [A.5.1.3] <\/td>\n<\/tr>\n | ||||||
| 28<\/td>\n | A.5.2 Arc initiation [A.5.2] A.5.2.1 General [A.5.2.1] A.5.2.2 Compartments without plug in or site-made solid insulation connections [A.5.2.3.3] A.5.2.3 Single phase compartments without any earthed metallic parts [A.5.2.4] <\/td>\n<\/tr>\n | ||||||
| 29<\/td>\n | Annex B (normative)Partial discharge measurement B.1 General [B.1] B.2 Application [B.2] B.3 Test circuits and measuring instruments [B.3] <\/td>\n<\/tr>\n | ||||||
| 31<\/td>\n | B.4 Test procedure [B.4] <\/td>\n<\/tr>\n | ||||||
| 32<\/td>\n | B.5 Maximum permissible partial discharge quantity [B.5] <\/td>\n<\/tr>\n | ||||||
| 33<\/td>\n | Annex C (informative)Traction load and duty cycle C.1 Background C.2 Evaluation of traction load <\/td>\n<\/tr>\n | ||||||
| 35<\/td>\n | C.3 Transformation of time-weighted RMS into basic current and duty class C.4 Examples C.4.1 Evaluation of traction load <\/td>\n<\/tr>\n | ||||||
| 36<\/td>\n | C.4.2 Benefit of using Basic current IB and duty class <\/td>\n<\/tr>\n | ||||||
| 38<\/td>\n | C.4.3 Transformation of traction load into basic current and duty class <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Railway applications. Fixed installations. Particular requirements for AC switchgear – AC metal-enclosed traction switchgear<\/b><\/p>\n |