{"id":255156,"date":"2024-10-19T16:51:56","date_gmt":"2024-10-19T16:51:56","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iec-61869-102018\/"},"modified":"2024-10-25T12:18:21","modified_gmt":"2024-10-25T12:18:21","slug":"bs-en-iec-61869-102018","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iec-61869-102018\/","title":{"rendered":"BS EN IEC 61869-10:2018"},"content":{"rendered":"

This part of IEC 61869<\/span> <\/span> is a product standard and covers only additional requirements for low-power passive current transformers. The product standard for low-power passive current transformers comprises IEC 61869\u20111<\/span> <\/span>, together with IEC 61869\u20116<\/span> <\/span> and this document with specific requirements.<\/p>\n

This document is applicable to newly manufactured low-power passive current transformers with analogue output for use with electrical measuring instruments or electrical protective devices having a rated frequency from 15 Hz to 100 Hz.<\/p>\n

This document covers low-power passive current transformers used for measurement or protection and multi-purpose low-power passive current transformers used for both measurement and protection.<\/p>\n

Subclause 5.6.1001<\/span> covers the accuracy requirements that are necessary for low-power passive current transformers for use with electrical measuring instruments.<\/p>\n

Subclause 5.6.1002<\/span> covers the accuracy requirements that are necessary for low-power passive current transformers for use with electrical protective relays, and particularly for forms of protection in which the prime requirement is to maintain the accuracy up to several times the rated current. If required, the transient accuracy of low-power passive current transformers during fault is also given in 5.6.1002<\/span>.<\/p>\n

Low-power passive current transformers have analogue voltage output only (for digital output or for technology using any kind of active electronic components refer to IEC 61869\u20118<\/span> <\/span> 2<\/sup> <\/span>). Such low-power passive current transformers can include the secondary signal cable (transmitting cable). The principle of operation of derivative low-power passive current transformers using air-core coils (Rogowski coils) is given in Annex 10B<\/span> and the principle of operation of proportional low-power passive current transformers using iron-core coils with integrated shunt is given in Annex 10C<\/span>.<\/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
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
2<\/td>\nundefined <\/td>\n<\/tr>\n
7<\/td>\nEnglish
CONTENTS <\/td>\n<\/tr>\n
9<\/td>\nFOREWORD <\/td>\n<\/tr>\n
13<\/td>\nINTRODUCTION
Figures
Figure 1001 \u2013 General block diagram of a single-phase low-powerpassive current transformer <\/td>\n<\/tr>\n
14<\/td>\n1 Scope
2 Normative references <\/td>\n<\/tr>\n
15<\/td>\n3 Terms and definitions
3.1 General definitions
3.4 Definitions related to accuracy <\/td>\n<\/tr>\n
18<\/td>\n3.7 Index of abbreviations
5 Ratings
5.3 Rated insulation levels and voltages <\/td>\n<\/tr>\n
19<\/td>\n5.5 Rated output
5.6 Rated accuracy class <\/td>\n<\/tr>\n
20<\/td>\nTables
Table 1001 \u2013 Limits of ratio error and phase error for measuring passive LPCT <\/td>\n<\/tr>\n
21<\/td>\n5.1001 Standard values for rated primary current (Ipr)
5.1002 standard values for rated extended primary current factor (Kpcr)
5.1003 Standard value of rated continuous thermal current (Icth)
Table 1002 \u2013 Limits of errors <\/td>\n<\/tr>\n
22<\/td>\n5.1004 Standard values of rated secondary voltage (Usr)
5.1005 Short-time current ratings
5.1006 Rated phase offset (\u03c6or)
6 Design and construction
6.11 Electromagnetic compatibility (EMC)
6.13 Markings <\/td>\n<\/tr>\n
23<\/td>\nFigure 1002 \u2013 Marking of terminals <\/td>\n<\/tr>\n
24<\/td>\n6.601 Requirements for optical transmitting system and optical output link
6.602 Requirements for electrical transmitting system and electrical wires for output link
6.603 Signal-to-noise ratio
6.604 Failure detection and maintenance announcement
6.605 Operability
6.606 Reliability and dependability
Table 1003 \u2013 Pin assignment for RJ45 connectors used in passive LPCT <\/td>\n<\/tr>\n
25<\/td>\n6.607 Vibrations
7 Tests
7.1 General
Table 10 \u2013 List of tests <\/td>\n<\/tr>\n
26<\/td>\n7.2 Type tests <\/td>\n<\/tr>\n
29<\/td>\nFigure 1003 \u2013 Test set up for impact of magnetic field from other phases <\/td>\n<\/tr>\n
30<\/td>\n7.4 Special tests
601 Information to be given with enquiries, tenders and orders
601.1 Designation <\/td>\n<\/tr>\n
31<\/td>\n601.2 Dependability
Table 1004 \u2013 Designation of a passive LPCT <\/td>\n<\/tr>\n
32<\/td>\nAnnex 10A (informative) Designation of accuracy class when using the corrected transformation ratio and ratio correction factor
10A.1 General <\/td>\n<\/tr>\n
33<\/td>\n10A.2 Designation of accuracy class based on rated transformation ratio
10A.3 Designation of accuracy class based on individual ratio correction factor
10A.4 Example of application
Figure 10A.1 \u2013 Accuracy class designation improved basedon individual ratio correction factor CFI <\/td>\n<\/tr>\n
34<\/td>\nFigure 10A.2 \u2013 Accuracy test of passive LPCT
Table 10A.1 \u2013 Ratio, ratio error based on mean value,and corresponding primary current <\/td>\n<\/tr>\n
35<\/td>\nFigure 10A.3 \u2013 Accuracy class of 1 % designated based on rated transformation ratio
Table 10A.2 \u2013 Measured ratio error, correction factor and ratio error basedon ratio correction factor for five passive LPCT <\/td>\n<\/tr>\n
36<\/td>\nFigure 10A.4 \u2013 Accuracy class of 0,1 % designated based on using the ratio correction factor and corrected transformation ratio <\/td>\n<\/tr>\n
37<\/td>\nAnnex 10B (informative) Principle of operation of Rogowski coils
10B.1 General
10B.2 Principle of operation <\/td>\n<\/tr>\n
38<\/td>\n10B.3 Designs
10B.4 Accuracy <\/td>\n<\/tr>\n
40<\/td>\n10B.5 Frequency dependence and response
Figure 10B.1 \u2013 Rogowski coil Equivalent Circuits
Figure 10B.2 \u2013 Integrated and non-integrated Rogowski coil output signals <\/td>\n<\/tr>\n
41<\/td>\nFigure 10B.3 \u2013 Rogowski coil frequency dependence test <\/td>\n<\/tr>\n
42<\/td>\nAnnex 10C (informative) Principle of operation of low-power iron core current transformers (proportional LPCT)
10C.1 General
10C.2 Principle
Figure 10C.1 \u2013 Principle of iron core current transformer <\/td>\n<\/tr>\n
43<\/td>\n10C.3 Accuracy
Figure 10C.2 \u2013 Equivalent circuit of the iron corecurrent transformer with voltage output <\/td>\n<\/tr>\n
44<\/td>\nAnnex 10D (normative) Test for accuracy with respect to the positioning of the primary conductor
10D.1 General
10D.2 Designation of accuracy class extension
Figure 10D.1 \u2013 Definition of the angle between the primary conductor and the LPCT
Table 10D.1 \u2013 Limits for the position of the primaryconductor with respect to the passive LPCT <\/td>\n<\/tr>\n
45<\/td>\n10D.3 Test procedure
Figure 10D.2 \u2013 Illustration of the primary conductorposition according to the position factor <\/td>\n<\/tr>\n
46<\/td>\nFigure 10D.3 \u2013 Accuracy measurement test set up <\/td>\n<\/tr>\n
47<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Instrument transformers – Additional requirements for low-power passive current transformers<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2018<\/td>\n48<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":255163,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-255156","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\/255156","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\/255163"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=255156"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=255156"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=255156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}