having high-speed excitation or de-excitation, e.g. by neutralising the remanent excitation field

Full Title

DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors > characterised by arrangement for exciting > having high-speed excitation or de-excitation, e.g. by neutralising the remanent excitation field

Classification Context

Section:

ELECTRICITY

Class:

GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER

Subclass:

DYNAMO-ELECTRIC MACHINES