{"id":240925,"date":"2024-10-19T15:46:34","date_gmt":"2024-10-19T15:46:34","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-61000-4-81994\/"},"modified":"2024-10-25T10:32:33","modified_gmt":"2024-10-25T10:32:33","slug":"bs-en-61000-4-81994","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-61000-4-81994\/","title":{"rendered":"BS EN 61000-4-8:1994"},"content":{"rendered":"

Equipment subject to power frequency magnetic fields in residential, commercial and industrial locations, power plants and medium and high voltage substations.<\/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
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\nBRITISH STANDARD <\/td>\n<\/tr>\n
2<\/td>\nCooperating organizations <\/td>\n<\/tr>\n
3<\/td>\nContents <\/td>\n<\/tr>\n
6<\/td>\nForeword
Foreword to amendment A1
Contents <\/td>\n<\/tr>\n
9<\/td>\n1 Scope
2 Normative references
3 General <\/td>\n<\/tr>\n
10<\/td>\n4 Definitions
4.1 EUT
4.2 induction coil
4.3 induction coil factor
4.4 immersion method
4.5 proximity method
4.6 ground (reference) plane (GRP)
4.7 decoupling network, back filter
5 Test levels <\/td>\n<\/tr>\n
11<\/td>\nTable 1 – Test levels for continuous field
Table 2 – Test levels for short duration: 1 s to 3 s
6 Test equipment
6.1 Test generator <\/td>\n<\/tr>\n
12<\/td>\n6.2 Induction coil <\/td>\n<\/tr>\n
13<\/td>\n6.3 Test and auxiliary instrumentation <\/td>\n<\/tr>\n
14<\/td>\n7 Test set-up
7.1 Ground (reference) plane
7.2 Equipment under test
7.3 Test generator
7.4 Induction coil <\/td>\n<\/tr>\n
15<\/td>\n8 Test procedure
8.1 Laboratory reference conditions
8.2 Carrying out the test <\/td>\n<\/tr>\n
16<\/td>\n9 Evaluation of test results
10 Test report <\/td>\n<\/tr>\n
17<\/td>\nExample of application of the test field by the immersion method
Schematic circuit of the test generator for power frequency magnetic field <\/td>\n<\/tr>\n
18<\/td>\nExample of test set-up for tabletop equipment
Example of test set-up for floor-standing equipment <\/td>\n<\/tr>\n
19<\/td>\nExample of investigation of susceptibility to magnetic field by the proximity method
Illustration of Helmholtz coils <\/td>\n<\/tr>\n
20<\/td>\nAnnex A (normative) Induction coil calibration method
A.1 Magnetic field measurement
A.2 Calibration of the induction coil
Annex B (normative) Characteristics of the induction coils
B.1 General
B.2 Induction coil requirements <\/td>\n<\/tr>\n
21<\/td>\nB.3 Induction coil characteristics
B.4 Summary of characteristics of induction coils <\/td>\n<\/tr>\n
22<\/td>\nFigure B.1 – Characteristics of the field generated by a square induction coil (1 m side) in its plane
Figure B.2 – 3 dB area of the field generated by a square induction coil (1 m side) in its plane <\/td>\n<\/tr>\n
23<\/td>\nFigure B.3 – 3 dB area of the field generated by a square induction coil (1 m side) in the mean orthogonal pla…
Figure B.4 – 3 dB area of the field generated by two square induction coils (1 m side) 0,6 m spaced, in the me… <\/td>\n<\/tr>\n
24<\/td>\nFigure B.5 – 3 dB area of the field generated by two square induction coils (1 m side) 0,8 m spaced, in the me…
Figure B.6 – 3 dB area of the field generated by a rectangular induction coil (1 m \u00b0 2,6 m) in its plane <\/td>\n<\/tr>\n
25<\/td>\nFigure B.7 – 3 dB area of the field generated by a rectangular induction coil (1 m \u00b0 2,6 m) in its plane (grou…
Figure B.8 – 3 dB area of the field generated by a rectangular induction coil (1 m \u00b0 2,6 m) with ground plane,… <\/td>\n<\/tr>\n
26<\/td>\nAnnex C (informative) Selection of the test levels <\/td>\n<\/tr>\n
28<\/td>\nAnnex D (informative) Information on power frequency magnetic field strength
Annex D (informative) Information on power frequency magnetic field strength
Table D.1 – Values of the maximum magnetic field produced by household appliances (results of the measurement…
Table D.2 – Values of the magnetic field generated by a 400 kV line
Table D.3 – Values of the magnetic field in high voltage substation areas <\/td>\n<\/tr>\n
29<\/td>\nTable D.4 – Values of the magnetic field in power plants <\/td>\n<\/tr>\n
30<\/td>\nAnnex ZA (normative) Other international publications quoted in this standard with the references of the r… <\/td>\n<\/tr>\n
31<\/td>\nNational annex NA (informative) Committees responsible <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Electromagnetic compatibility (EMC). Testing and measurement techniques – Power frequency magnetic field immunity test. Basic EMC publication<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2001<\/td>\n32<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":240933,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[626,2641],"product_tag":[],"class_list":{"0":"post-240925","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-33-100-20","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\/240925","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\/240933"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=240925"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=240925"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=240925"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}