Государственный Университет "Львовская Политехника"
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Publication of UA2139A1publicationCriticalpatent/UA2139A1/en
The multipolar direct current electric machine comprises an pair pole-inducer of alternating polarity, a reentrant winding-armature consisting of sections and a commutator segment-collector equally spaced along armature counterbore connected between them by current-carrying plug wires. With the purpose of range of use extension at the expense of increasing number of parallel armature winding branches allowing matching parameters of machine with electric power supply parameters, the beginning and end of sections are connected to a group of commutator segments with definite numbers.
UA3882356A1985-04-101985-04-10Multipolar direct current electric machine
UA2139A1
(en)
POWER SUPPLY OF AN ELECTRIC TRACTION LINE WITH SUBSTATIONS, BY ELECTRONIC ADJUSTMENT OF THE SUPPLY VOLTAGE OF THE INTERCONNECTION POINT WITH THE CONTACT LINE