{"id":418215,"date":"2024-10-20T06:19:58","date_gmt":"2024-10-20T06:19:58","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iec-60071-112022\/"},"modified":"2024-10-26T11:48:49","modified_gmt":"2024-10-26T11:48:49","slug":"bs-en-iec-60071-112022","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iec-60071-112022\/","title":{"rendered":"BS EN IEC 60071-11:2022"},"content":{"rendered":"

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
2<\/td>\nundefined <\/td>\n<\/tr>\n
7<\/td>\nAnnex ZA (normative)Normative references to international publicationswith their corresponding European publications <\/td>\n<\/tr>\n
9<\/td>\nEnglish
CONTENTS <\/td>\n<\/tr>\n
11<\/td>\nFOREWORD <\/td>\n<\/tr>\n
13<\/td>\nINTRODUCTION <\/td>\n<\/tr>\n
14<\/td>\n1 Scope
2 Normative references <\/td>\n<\/tr>\n
15<\/td>\n3 Terms and definitions <\/td>\n<\/tr>\n
16<\/td>\nTables
Table 1 \u2013 Classes and shapes of overvoltages, standard voltage shapesand standard withstand voltage tests <\/td>\n<\/tr>\n
20<\/td>\n4 Symbols and abbreviations
4.1 General <\/td>\n<\/tr>\n
21<\/td>\n4.2 Subscripts
4.3 Letter symbols <\/td>\n<\/tr>\n
22<\/td>\n4.4 Abbreviations
5 Principles of insulation co-ordination
5.1 General
5.2 Essential differences between AC and DC systems <\/td>\n<\/tr>\n
23<\/td>\n5.3 Insulation co-ordination procedure
5.4 Differences of withstand voltage selection in AC and DC systems
Table 2 \u2013 Comparison of the insulation co-ordination procedure of AC and DC systems <\/td>\n<\/tr>\n
24<\/td>\nFigures
Figure 1 \u2013 Comparison of the selection between withstand voltagesfor AC equipment and for HVDC converter station equipment <\/td>\n<\/tr>\n
25<\/td>\n6 Design procedure of insulation co-ordination
6.1 General
6.2 Arrester characteristics
6.3 Insulation characteristics
6.4 Determination of the representative overvoltages (Urp) <\/td>\n<\/tr>\n
26<\/td>\n6.5 Determination of the co-ordination withstand voltages (Ucw)
6.6 Determination of the required withstand voltages (Urw) <\/td>\n<\/tr>\n
27<\/td>\nTable 3 \u2013 Indicative values of ratios of required impulsewithstand voltage to impulse protective level <\/td>\n<\/tr>\n
28<\/td>\n6.7 Determination of the specified withstand voltage (Uw)
7 Requirements for withstand voltage tests
8 Creepage distances
8.1 General <\/td>\n<\/tr>\n
29<\/td>\n8.2 Base voltage for creepage distance
8.3 Creepage distance for outdoor insulation under DC voltage
8.4 Creepage distance for indoor insulation under DC or mixed voltage
8.5 Creepage distance of AC insulators <\/td>\n<\/tr>\n
30<\/td>\n9 Clearances in air <\/td>\n<\/tr>\n
31<\/td>\nAnnex A (informative)Typical HVDC converter station schemes <\/td>\n<\/tr>\n
32<\/td>\nFigure A.1 \u2013 Possible arrester locations in one pole of bipoleLCC converter station with 12-pulse converters in series <\/td>\n<\/tr>\n
33<\/td>\nFigure A.2 \u2013 Possible arrester locations in one pole of bipolar of VSC converter stations
Figure A.3 \u2013 Possible arrester locations in symmetricalmonopole VSC converter stations <\/td>\n<\/tr>\n
34<\/td>\nTable A.1 \u2013 Symbol description <\/td>\n<\/tr>\n
35<\/td>\nAnnex B (informative)Example of air clearances calculation
B.1 Introductory remarks
B.2 Calculated minimum air clearance for switching impulse stress
B.2.1 General <\/td>\n<\/tr>\n
36<\/td>\nB.2.2 Example calculation
B.3 Calculated minimum air clearance for lightning impulse stress
B.3.1 General <\/td>\n<\/tr>\n
37<\/td>\nB.3.2 Example calculation <\/td>\n<\/tr>\n
38<\/td>\nAnnex C (normative)Example of typical DC voltages with possible insulationlevels and corresponding air clearances
C.1 Introductory remarks
C.2 List of typical DC voltagesand possible insulation levels
C.3 Example of presumed switching impulse insulation levels and minimum air clearances <\/td>\n<\/tr>\n
39<\/td>\nTable C.1 \u2013 Typical DC voltages and switching\/lightning impulse withstand voltage <\/td>\n<\/tr>\n
40<\/td>\nC.4 Example of presumed lightning impulse insulation levels and minimum air clearances
C.5 Possible\/Presumed specified DC withstand voltages
C.5.1 General
Table C.2 \u2013 Correlation between presumed rated switching impulse withstandvoltages and minimum phase-to-earth air clearances <\/td>\n<\/tr>\n
41<\/td>\nC.5.2 Specified DC withstand voltages
C.5.3 List of specified power frequency withstand voltages
Table C.3 \u2013 Correlation between presumed rated lightning impulse withstandvoltages and minimum phase-to-earth air clearances <\/td>\n<\/tr>\n
42<\/td>\nAnnex D (informative)Typical arrester characteristics
Figure D.1 \u2013 Typical arrester V-I characteristics <\/td>\n<\/tr>\n
43<\/td>\nAnnex E (informative)The Correlation of clauses between IEC 60071-11 and IEC 60071-5:2014 <\/td>\n<\/tr>\n
44<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Insulation co-ordination – Definitions, principles and rules for HVDC system<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2023<\/td>\n44<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":418225,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[498,2641],"product_tag":[],"class_list":{"0":"post-418215","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-29-080-30","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/418215","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/418225"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=418215"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=418215"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=418215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}