{"id":423288,"date":"2024-10-20T06:45:40","date_gmt":"2024-10-20T06:45:40","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-pd-iec-tr-63042-3032021-2\/"},"modified":"2024-10-26T12:41:00","modified_gmt":"2024-10-26T12:41:00","slug":"bsi-pd-iec-tr-63042-3032021-2","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-pd-iec-tr-63042-3032021-2\/","title":{"rendered":"BSI PD IEC TR 63042-303:2021"},"content":{"rendered":"

This part of IEC 63042 specifies measurement methods of UHV AC transmission line power frequency parameters. These measured parameters mainly include sequence parameters, mutual parameters between double-circuit lines, phase parameters and some other related parameters.<\/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
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
2<\/td>\nundefined <\/td>\n<\/tr>\n
4<\/td>\nCONTENTS <\/td>\n<\/tr>\n
7<\/td>\nFOREWORD <\/td>\n<\/tr>\n
9<\/td>\nINTRODUCTION <\/td>\n<\/tr>\n
10<\/td>\n1 Scope
2 Normative references
3 Terms and definitions <\/td>\n<\/tr>\n
11<\/td>\n4 General
4.1 Background
4.2 Measurement items <\/td>\n<\/tr>\n
12<\/td>\n4.3 Main circuit configuration
4.4 Measurement condition
5 Requirement of measuring instrument
5.1 Current transformer
5.2 Voltage transformer
5.3 Measuring instrument of DC resistance <\/td>\n<\/tr>\n
13<\/td>\n5.4 Offset frequency power source
5.5 Special measuring instrument of transmission line power frequency parameter
6 Conversion of offset frequency measurement results <\/td>\n<\/tr>\n
14<\/td>\n7 Measurement of induced voltage and induced current
7.1 General
7.2 Induced voltage
Figures
Figure 1 \u2013 Measurement of induced voltage <\/td>\n<\/tr>\n
15<\/td>\n7.3 Induced current
8 Phase verification and measurement of insulation resistance
8.1 General
8.2 Phase verification
Figure 2 \u2013 Measurement of induced voltage
Figure 3 \u2013 Measurement of induced current <\/td>\n<\/tr>\n
16<\/td>\n8.3 Measurement of insulation resistance
9 Measurement of DC resistance
Figure 4 \u2013 Phase verification
Figure 5 \u2013 Measurement of insulation resistance <\/td>\n<\/tr>\n
17<\/td>\n10 Measurement of positive-sequence parameter
Figure 6 \u2013 Measurement of DC resistance <\/td>\n<\/tr>\n
18<\/td>\nFigure 7 \u2013 Measurement of positive-sequence parameter <\/td>\n<\/tr>\n
19<\/td>\n11 Measurement of zero-sequence parameter
Tables
Table 1 \u2013 Calculation method of positive-sequence parameters <\/td>\n<\/tr>\n
20<\/td>\nFigure 8 \u2013 Measurement of zero-sequence parameter
Table 2 \u2013 The calculation method of zero-sequence parameters <\/td>\n<\/tr>\n
21<\/td>\n12 Measurement of mutual impedance and coupling capacitance between double-circuit transmission lines on the same tower
12.1 General <\/td>\n<\/tr>\n
22<\/td>\n12.2 Measurement of line-mode impedance
12.3 Measurement of line-mode capacitance
12.4 Measurement of ground-mode impedance
Figure 9 \u2013 Measurement of line-mode impedance
Figure 10 \u2013 Measurement of line-mode capacitance <\/td>\n<\/tr>\n
23<\/td>\n12.5 Measurement of ground-mode capacitance
12.6 Data process
Figure 11 \u2013 Measurement of ground-mode impedance
Figure 12 \u2013 Measurement of ground-mode capacitance <\/td>\n<\/tr>\n
24<\/td>\n13 Measurement of phase parameters
13.1 Measurement of self-impedance
Figure 13 \u2013 Measurement of self-impedance by two-terminalsynchronous measurement method
Table 3 \u2013 Calculation process and equations of parametersper unit length of double-circuit lines on the same tower <\/td>\n<\/tr>\n
25<\/td>\n13.2 Measurement of self-capacitance
Figure 14 \u2013 Measurement of self-capacitance by two-terminalsynchronous measurement method
Table 4 \u2013 The calculation of self-impedance <\/td>\n<\/tr>\n
26<\/td>\n13.3 Measurement of coupling capacitance between two phases
Figure 15 \u2013 Measurement of coupling capacitance between two phases
Table 5 \u2013 The calculation of self-capacitance <\/td>\n<\/tr>\n
27<\/td>\n13.4 Measurement of mutual impedance between two phases <\/td>\n<\/tr>\n
28<\/td>\nFigure 16 \u2013 Measurement of mutual impedance between two phases <\/td>\n<\/tr>\n
30<\/td>\nAnnex A (informative)Example of transmission line power frequency parameter measurement
A.1 Introduction of transmission line
A.2 Measurement of positive-sequence parameter
A.2.1 Measured data
A.2.2 Calculation results
Table A.1 \u2013 Measured data of transmission line I
Table A.2 \u2013 Positive-sequence parameters of transmission line I <\/td>\n<\/tr>\n
31<\/td>\nA.3 Measurement of zero-sequence parameter
A.3.1 Measured data
A.3.2 Calculation results
A.4 Measurement of phase parameter
A.4.1 General
Table A.3 \u2013 DC resistance of line I
Table A.4 \u2013 Measured data of transmission line I
Table A.5 \u2013 Zero-sequence parameters of transmission line I <\/td>\n<\/tr>\n
32<\/td>\nA.4.2 Capacitance matrix
A.4.3 Impedance matrix
Table A.6 \u2013 The capacitance matrix of transmission line I and II
Table A.7 \u2013 The resistance matrix of transmission line I and II
Table A.8 \u2013 The reactance matrix of transmission line I and II <\/td>\n<\/tr>\n
33<\/td>\nAnnex B (informative)Derivation process of measurement and calculationfor coupling capacitance between two phases
Figure B.1 \u2013 The \u03c0-equivalent circuit of 3-phase system during measurement <\/td>\n<\/tr>\n
36<\/td>\nAnnex C (informative)Safety precautions <\/td>\n<\/tr>\n
37<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

UHV AC transmission systems – Guideline for the measurement of UHV AC transmission line power frequency parameters<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2021<\/td>\n38<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":423298,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[545,2641],"product_tag":[],"class_list":{"0":"post-423288","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-29-240-20","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\/423288","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\/423298"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=423288"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=423288"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=423288"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}