scope:

Gives symbols on winding interconnections (separate windings;internally connected windings), machines (elements of machines;types of machines;example of d.c. machines;examples of a.c. commutator machines;examples of synchronous machines;examples of induction type (asynchronous machines), transformers and reactors (general symbols;examples of transformers with separate windings;example of auto-transdotformers;examples of induction regulators;examples of measuring transformers and pulse transformers), power converters (block symbols for power converters), primary cells and accumulators, power generators (general symol;heat sources;examples of power generators), and older symbols for transductors and magnet amplifiers (symbol elements and block symbols;examples of transductors).