ДСТУ EN IEC 60375:2022 Конвенции по электрическим цепям (EN IEC 60375:2018, IDT; IEC 60375:2018, IDT)
ДСТУ EN IEC 60375:2022
(EN IEC 60375:2018, IDT; IEC 60375:2018, IDT)
Конвенції щодо електричних кіл
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)
Contents
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 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
5.2 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
5.4 Kirchhoff law for nodes
6 Conventions concerning voltages
6.1 Physical polarity of voltage
6.2 Reference polarity for a pair of nodes
6.3 Indication of the reference polarity
6.3.1 First method
6.3.2 Second method
6.3.3 Third method
6.4 Kirchhoff law for meshes
7 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
7.4.2 Motor convention
7.4.3 Generator convention
8 Conventions concerning two- port networks
9 Conventions concerning sources
9.1 Conventions concerning voltage sources
9.1.1 Independent voltage sources
9.1.2 Controlled voltage sources
9.2 Conventions concerning current sources
9.2.1 Independent current sources
9.2.2 Controlled current sources
10 Conventions concerning passive elements
10.1 General conventions
10.2 Resistive elements
10.2.1 Resistive two- terminal elements
10.2.2 Resistive n - terminal elements
10.3 Capacitive elements
10.3.1 Capacitive two- terminal elements
10.3.2 Capacitive n - terminal elements
10.4 Inductive elements
10.4.1 Inductive two- terminal elements
10.4.2 Inductive n - port elements
11 Complex notation
11.1 General
11.2 Conventions concerning complex representation of sinusoidal quantities
11.3 Reference direction of a complex current
11.4 Reference polarity for a complex voltage
11.5 Complex representation of Ohm's law
11.6 Conventions concerning the graphical representation of phasors
11.7 Conventions concerning phase differences
11.8 Conventions concerning power
11.8.1 Time- dependent electric power
11.8.2 Complex power
Bibliography
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