This standard is applicable to a.c. and d.c. machines and specifies:
a) Rules for the identification of winding connection points;
b) Marking of winding terminals;
c) Direction of rotation;
d) Relationship between terminal markings and direction of rotation;
e) Terminal marking of auxiliary devices;
f) Connection diagrams of machines for common applications.
Turbine-type synchronous machines are excluded from this standard.
Foreword I 1 Scope 2 Normative References 3 Terms and Definitions 4 Symbols 4.1 General 4.2 DC and single-phase commutator machines 4.3 AC machines without commutator 4.4 Auxiliary devices 5 Direction of Rotation 6 Rules for Terminal Markings 6.1 General 6.2 Suffixes 6.3 Prefixes 6.4 Winding identification for categories of machines 6.5 Synchronous machines 6.6 DC machines 6.7 Relation between terminal markings and direction of rotation 6.8 Terminal marking figures 7 Auxiliary Terminal Marking Rules 7.1 General 7.2 Marking Annex A (Normative) Connection Diagrams for Common Applications A.1 General A.2 Three-phase machines A.2.1 Single-speed stator windings A.2.2 Multi-speed stator windings A.3 Single-phase asynchronous machines A.4 DC machines
This standard is applicable to a.c. and d.c. machines and specifies:
a) Rules for the identification of winding connection points;
b) Marking of winding terminals;
c) Direction of rotation;
d) Relationship between terminal markings and direction of rotation;
e) Terminal marking of auxiliary devices;
f) Connection diagrams of machines for common applications.
Turbine-type synchronous machines are excluded from this standard.
Contents of GB 1971-2006
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Symbols
4.1 General
4.2 DC and single-phase commutator machines
4.3 AC machines without commutator
4.4 Auxiliary devices
5 Direction of Rotation
6 Rules for Terminal Markings
6.1 General
6.2 Suffixes
6.3 Prefixes
6.4 Winding identification for categories of machines
6.5 Synchronous machines
6.6 DC machines
6.7 Relation between terminal markings and direction of rotation
6.8 Terminal marking figures
7 Auxiliary Terminal Marking Rules
7.1 General
7.2 Marking
Annex A (Normative) Connection Diagrams for Common Applications
A.1 General
A.2 Three-phase machines
A.2.1 Single-speed stator windings
A.2.2 Multi-speed stator windings
A.3 Single-phase asynchronous machines
A.4 DC machines
