CS233328B1 - Permanent magnet electric rotating machine with claw rotor - Google Patents

Abstract

The invention relates to an electrical machine, excited by a permanent magnet, with a rotor and a system of poles arranged in a horseshoe shape especially a synchronous machine with the highest number of poles. Similar machines are used in drives to a three-phase current with power from valve current converter. The object of the invention is to provide security inevitably high current concentrations in use ferrite magnets that require less costs with small radial dimensions. A pole system rotor arranged in The shape of a horseshoe, one polarity is doing so designed to consist of two rings that are coaxially positioned relative to non-magnetic shaft and k a non-magnetic insert that encircles the shaft and tangentially magnetized magnetic blocks placed between adjacent ones poles arranged in a horseshoe shape.

Description

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Claims (1)

SUMMARY OF THE INVENTION An electrical machine with a claw rotor, driven by a manganese magnet with a non-magnetic shaft or a non-magnetic shaft housing, characterized in that on the non-magnetic shaft (1) or on the non-magnetic sleeve (7) of the shaft (1) between they are located between the nail poles (4, 5). same polarity magnetic blocks (6) that are magnetically magnetized. BACKGROUND OF THE INVENTION 1. Field of the Invention The invention relates to a rotary electrical machine driven by a manganese magnet with a groove rotor, in particular a large number of synchronous machines. Similar machines are used with three-phase current drives with current converter power. The purpose of the invention is to provide a sufficiently high concentration of the magnetic flux using cheap ferrite magnets and small radial rotor dimensions. The rotor system of the grooved system is designed so that it consists of two rings located on a non-magnetic shaft or on a non-magnetic shaft sleeve. From the pole poles of the same polarity and from the same number of tangentially magnetized magnetic blocks located between the claw poles. Recognized by the invention on the basis of the results of the Expertise by the Inventory and Patent Office, Seriin DD 1 drawing