{"id":252218,"date":"2024-10-19T16:38:54","date_gmt":"2024-10-19T16:38:54","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-62271-2072012\/"},"modified":"2024-10-25T11:57:51","modified_gmt":"2024-10-25T11:57:51","slug":"bs-en-62271-2072012","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-62271-2072012\/","title":{"rendered":"BS EN 62271-207:2012"},"content":{"rendered":"
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
6<\/td>\n | English CONTENTS <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | 4 Seismic qualification requirements 4.1 General 4.2 Qualification levels 5 Test procedures for qualification 5.1 General Table 1 \u2013 Seismic qualification levels for switchgear assemblies \u2013Horizontal severities <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 5.2 Mounting 5.3 Measurements 5.4 Frequency range 5.5 Test severity 5.5.1 General <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | Figure 1 \u2013 Required response spectrum (RRS) for qualification level moderate <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 5.5.2 Parameters for time-history excitation 5.5.3 Test directions 5.5.4 Test sequence Figure 2 \u2013 Required response spectrum (RRS) for qualification level high <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 6 Qualification by combined test and numerical analysis 6.1 General <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | 6.2 Dynamic and functional data 6.3 Numerical analysis 6.3.1 General 6.3.2 Numerical analysis by the acceleration time-history method 6.3.3 Modal and spectrum analysis using the required response spectrum (RRS) <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | 6.3.4 Static coefficient analysis 7 Evaluation of the seismic qualification 7.1 Combination of stresses <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | 7.2 Acceptance criteria for the seismic waveform 7.3 Functional evaluation of the test results 7.4 Allowable stresses 8 Documentation 8.1 Information for seismic qualification <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | 8.2 Test report 8.3 Analysis report <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | Annex A (normative) Characterisation of the test-set <\/td>\n<\/tr>\n | ||||||
18<\/td>\n | Figure A.1 \u2013 Monogram for the determination of equivalent damping ratio <\/td>\n<\/tr>\n | ||||||
19<\/td>\n | Annex B (informative) Criteria for seismic adequacy of gas-insulated metal-enclosed switchgear <\/td>\n<\/tr>\n | ||||||
21<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" High-voltage switchgear and controlgear – Seismic qualification for gas-insulated switchgear assemblies for rated voltages above 52 kV<\/b><\/p>\n |