(under subclass 201) Subject matter wherein the controlling means comprises a plurality of dynamoelectric machines electrically connected in series with their rotors mechanically connected together.
(1) Note. Such plurality of dynamoelectric machines is known in the art as a balancer set.
(2) Note. A common connection of the systems in this subclass is with the plurality of dynamoelectric machines connected in series across the source of supply and the load circuit connected across a fewer number of dynamoelectric machines.
SEE OR SEARCH CLASS
310, Electrical Generator or Motor Structure,
112, for plural dynamoelectric machines which are structurally united, such as in a motor generator set.