{"id":254556,"date":"2024-10-19T16:49:15","date_gmt":"2024-10-19T16:49:15","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-61869-12009\/"},"modified":"2024-10-25T12:14:08","modified_gmt":"2024-10-25T12:14:08","slug":"bs-en-61869-12009","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-61869-12009\/","title":{"rendered":"BS EN 61869-1:2009"},"content":{"rendered":"

This International Standard is applicable to newly manufactured instrument transformers with analogue or digital output for use with electrical measuring instruments or electrical protective devices having rated frequencies from 15 Hz to 100 Hz.<\/p>\n

This standard is a product family standard and covers general requirements only. For each kind of instrument transformer the product standard is composed by this standard and the relevant specific standard.<\/p>\n

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\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
7<\/td>\nEnglish
CONTENTS <\/td>\n<\/tr>\n
11<\/td>\n1 Scope
2 Normative references <\/td>\n<\/tr>\n
12<\/td>\n3 Terms and definitions <\/td>\n<\/tr>\n
13<\/td>\n3.1 General definitions
3.2 Definitions related to dielectric ratings <\/td>\n<\/tr>\n
15<\/td>\n3.3 Definitions related to current ratings
3.4 Definitions related to accuracy <\/td>\n<\/tr>\n
16<\/td>\n3.5 Definitions related to other ratings
3.6 Definitions related to gas insulation <\/td>\n<\/tr>\n
17<\/td>\n3.7 Index of abbreviations
4 Normal and special service conditions
4.1 General <\/td>\n<\/tr>\n
18<\/td>\n4.2 Normal service conditions
Tables
Table 1 \u2013 Temperature categories <\/td>\n<\/tr>\n
19<\/td>\n4.3 Special service conditions <\/td>\n<\/tr>\n
20<\/td>\n4.4 System earthing
5 Ratings
5.1 General
5.2 Highest voltage for equipment <\/td>\n<\/tr>\n
21<\/td>\nTable 2 \u2013 Rated primary terminal insulation levels for instrument transformers <\/td>\n<\/tr>\n
22<\/td>\n5.3 Rated insulation levels
Table 3 \u2013 Partial discharge test voltages and permissible levels <\/td>\n<\/tr>\n
23<\/td>\n5.4 Rated frequency
5.5 Rated output
5.6 Rated accuracy class
6 Design and construction
6.1 Requirements for liquids used in equipment
6.2 Requirements for gases used in equipment <\/td>\n<\/tr>\n
24<\/td>\nTable 4 \u2013 Permissible temporary leakage rates for gas systems <\/td>\n<\/tr>\n
25<\/td>\n6.3 Requirements for solid materials used in equipment
6.4 Requirements for temperature rise of parts and components <\/td>\n<\/tr>\n
26<\/td>\nTable 5 \u2013 Limits of temperature rise for various parts, materials and dielectrics of instrument transformers <\/td>\n<\/tr>\n
27<\/td>\n6.5 Requirements for earthing of equipment
6.6 Requirements for the external insulation
Figures
Figure 1 \u2013 Altitude correction factor for the temperature rise <\/td>\n<\/tr>\n
28<\/td>\nTable 6 \u2013 Creepage distances <\/td>\n<\/tr>\n
29<\/td>\n6.7 Mechanical requirements
Figure 2 \u2013 Altitude correction factor <\/td>\n<\/tr>\n
30<\/td>\n6.8 Multiple chopped impulse on primary terminals
6.9 Internal arc fault protection requirements
Table 7 \u2013 Static withstand test loads <\/td>\n<\/tr>\n
31<\/td>\n6.10 Degrees of protection by enclosures
Table 8 \u2013 Arc fault duration and performance criteria <\/td>\n<\/tr>\n
32<\/td>\n6.11 Electromagnetic Compatibility (EMC) <\/td>\n<\/tr>\n
33<\/td>\nTable 9 \u2013 Transmitted overvoltage limits <\/td>\n<\/tr>\n
34<\/td>\n6.12 Corrosion
Figure 3 \u2013 Transmitted overvoltages measurement: Test impulse waveforms <\/td>\n<\/tr>\n
35<\/td>\n6.13 Markings
6.14 Fire hazard
7 Tests
7.1 General <\/td>\n<\/tr>\n
36<\/td>\nTable 10 \u2013 List of tests <\/td>\n<\/tr>\n
37<\/td>\n7.2 Type tests
Table 11 \u2013 Gas type and pressure during type, routine and special tests <\/td>\n<\/tr>\n
41<\/td>\nFigure 4 \u2013 RIV measuring circuit <\/td>\n<\/tr>\n
43<\/td>\n7.3 Routine tests <\/td>\n<\/tr>\n
44<\/td>\nFigure 5 \u2013 Test circuit for partial discharge measurement
Figure 6 \u2013 Alternative circuit for partial discharge measurement <\/td>\n<\/tr>\n
45<\/td>\nFigure 7 \u2013 Example of balanced test circuit for partial discharge measurement
Figure 8 \u2013 Example of calibration circuit for partial discharge measurement <\/td>\n<\/tr>\n
47<\/td>\n7.4 Special tests <\/td>\n<\/tr>\n
50<\/td>\nFigure 9 \u2013 Transmitted overvoltages measurement: general test configuration
Figure 10 \u2013 Transmitted overvoltages measurement: test circuit and GIS Test configuration (CT) <\/td>\n<\/tr>\n
52<\/td>\nTable 12 \u2013 Modalities of application of the test loads to be applied to the line primary terminals <\/td>\n<\/tr>\n
54<\/td>\n7.5 Sample tests <\/td>\n<\/tr>\n
55<\/td>\n8 Rules for transport, storage, erection, operation and maintenance
9 Safety
10 Influence of products on the natural environment <\/td>\n<\/tr>\n
56<\/td>\nAnnex A (normative) Identification of test specimen <\/td>\n<\/tr>\n
57<\/td>\nAnnex B (informative) Rules for transport, storage, erection, operation and maintenance <\/td>\n<\/tr>\n
62<\/td>\nAnnex C (informative) Fire hazard
Table C.1 \u2013 Fire hazard of electrotechnical products <\/td>\n<\/tr>\n
63<\/td>\nAnnex D (informative) Sample test <\/td>\n<\/tr>\n
64<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Instrument transformers – General requirements<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2010<\/td>\n70<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":254564,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-254556","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/254556","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\/254564"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=254556"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=254556"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=254556"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}