{"id":357131,"date":"2024-10-20T01:15:29","date_gmt":"2024-10-20T01:15:29","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iec-603752018-tc\/"},"modified":"2024-10-26T01:41:43","modified_gmt":"2024-10-26T01:41:43","slug":"bs-en-iec-603752018-tc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iec-603752018-tc\/","title":{"rendered":"BS EN IEC 60375:2018 – TC"},"content":{"rendered":"

IEC 60375:2018 specifies the rules for signs and reference directions and reference polarities for electric currents and voltages in electric networks.<\/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
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
55<\/td>\nundefined <\/td>\n<\/tr>\n
60<\/td>\nEnglish
CONTENTS <\/td>\n<\/tr>\n
63<\/td>\nFOREWORD <\/td>\n<\/tr>\n
65<\/td>\n1 Scope
2 Normative references
3 Terms and definitions <\/td>\n<\/tr>\n
73<\/td>\n4 Orientation of geometrical objects
4.1 Orientation of a curve
4.2 Orientation of a surface
4.3 Arrows perpendicular to the plane of the figure
5 Conventions concerning currents
5.1 Physical direction of current
Figures
Figure 1 \u2013 Orientation of a curve
Figure 2 \u2013 Orientation of a surface <\/td>\n<\/tr>\n
74<\/td>\n5.2 Reference direction of current
5.3 Indication of the reference direction for currents
5.3.1 Indication of the reference direction for currents for a branch
5.3.2 Indication of the reference direction for mesh currents
Figure 3 \u2013 Indication of the reference direction for a current by an arrow
Figure 4 \u2013 Indication of the reference direction using the node names <\/td>\n<\/tr>\n
75<\/td>\n5.4 Kirchhoff law for nodes
6 Conventions concerning voltages
6.1 Physical polarity of voltage
Figure 5 \u2013 Indication of the reference direction for mesh currents
Figure 6 \u2013 Examples of the Kirchhoff law for nodes <\/td>\n<\/tr>\n
76<\/td>\n6.2 Reference polarity for a pair of nodes
6.3 Indication of the reference polarity
6.3.1 First method
6.3.2 Second method
Figure 7 \u2013 Indication of the reference polarity by means of plus and minus signs
Figure 8 \u2013 Simplified indication of the reference polarity by means of plus signs
Figure 9 \u2013 Indication of the reference polarity by an arrow <\/td>\n<\/tr>\n
77<\/td>\n6.3.3 Third method
6.4 Kirchhoff law for meshes
Figure 10 \u2013 Indication of the reference polarity using the node names
Figure 11 \u2013 Simplified indication of the reference polarity using the node names <\/td>\n<\/tr>\n
78<\/td>\n7 Conventions concerning power
7.1 Physical direction of power
7.2 Reference direction of power
7.3 Indication of the reference direction of power
7.4 Combined conventions
7.4.1 General
Figure 12 \u2013 Examples of the Kirchhoff law for meshes
Figure 13 \u2013 Indication of the reference direction of power <\/td>\n<\/tr>\n
79<\/td>\n7.4.2 Motor convention
7.4.3 Generator convention
8 Conventions concerning two-port networks
Figure 14 \u2013 Examples of motor conventions
Figure 15 \u2013 Examples of generator conventions <\/td>\n<\/tr>\n
80<\/td>\n9 Conventions concerning sources
9.1 Conventions concerning voltage sources
9.1.1 Independent voltage sources
9.1.2 Controlled voltage sources
Figure 16 \u2013 A reference convention for a two-port network
Figure 17 \u2013 Graphical representation of an independent voltage source
Figure 18 \u2013 Graphical representation of a voltage source controlled by a voltage: Us = \u03b1Uc <\/td>\n<\/tr>\n
81<\/td>\n9.2 Conventions concerning current sources
9.2.1 Independent current sources
9.2.2 Controlled current sources
Figure 19 \u2013 Graphical representation of a voltage source controlled by a current: Us = \u03b2ic
Figure 20 \u2013 Graphical representation of an independent current source <\/td>\n<\/tr>\n
82<\/td>\n10 Conventions concerning passive elements
10.1 General conventions
10.2 Resistive elements
10.2.1 Resistive two-terminal elements
Figure 21 \u2013 Graphical representation of a current source controlled by a voltage: is = \u03b3Uc
Figure 22 \u2013 Graphical representation of a current source controlled by a current: is = \u03b4ic <\/td>\n<\/tr>\n
83<\/td>\n10.2.2 Resistive n-terminal elements
Figure 23 \u2013 Examples of graphical representations of a two-terminal resistive element
Figure 24 \u2013 Examples of the graphical representationof a four-terminal resistive element <\/td>\n<\/tr>\n
84<\/td>\n10.3 Capacitive elements
10.3.1 Capacitive two-terminal elements
Figure 25 \u2013 Examples of the graphical representationof a two-terminal capacitive element <\/td>\n<\/tr>\n
85<\/td>\n10.3.2 Capacitive n-terminal elements
Figure 26 \u2013 Examples of the graphical representationof a four-terminal capacitive element <\/td>\n<\/tr>\n
87<\/td>\n10.4 Inductive elements
10.4.1 Inductive two-terminal elements
Figure 27 \u2013 Examples of the graphical representationof a two-terminal inductive element <\/td>\n<\/tr>\n
88<\/td>\n10.4.2 Inductive n-port elements
Figure 28 \u2013 Examples of the graphical representation of a three-port inductive element <\/td>\n<\/tr>\n
90<\/td>\n11 Complex notation
11.1 General
11.2 Conventions concerning complex representation of sinusoidal quantities
11.3 Reference direction of a complex current <\/td>\n<\/tr>\n
91<\/td>\n11.4 Reference polarity for a complex voltage
Figure 29 \u2013 Examples of the Kirchhoff law for nodes in complex notation <\/td>\n<\/tr>\n
92<\/td>\n11.5 Complex representation of Ohm’s law
Figure 30 \u2013 Examples of the Kirchhoff law for meshes in complex notation <\/td>\n<\/tr>\n
93<\/td>\n11.6 Conventions concerning the graphical representation of phasors
11.7 Conventions concerning phase differences
Figure 31 \u2013 Examples of graphical representation of reference directionsand polarities in Ohm’s law for a complex two-terminal element
Figure 32 \u2013 Graphical representation of a phasor in the complex plane
Figure 33 \u2013 Graphical representation of phase difference in the complex plane <\/td>\n<\/tr>\n
94<\/td>\n11.8 Conventions concerning power
11.8.1 Time-dependent electric power
11.8.2 Complex power
Figure 34 \u2013 Examples of the reference directions for time-dependent electric power
Figure 35 \u2013 Examples of the reference directions for the complex power <\/td>\n<\/tr>\n
95<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Tracked Changes. Conventions concerning electric circuits<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2020<\/td>\n97<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":357132,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-357131","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\/357131","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\/357132"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=357131"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=357131"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=357131"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}