IN IN6368DELNP2009A
[0001] The present invention relates to a control system, a method and arrangement for motors and motor-compressors, designed for operation in a wide voltage range of the feed network. The control system, method and arrangement for motors and motor-compressors basically consist in associating an electronic control (10) capable of regulating the voltage supplied to a motor with windings and a magnetic core suitably dimensioned so as to fully meet the start and operation torques in the minimum voltage expected for the electric energy network, the electronic control (10) incorporating the method of limiting the effective value on the motor windings so as to keep its capability of meeting the minimum torques specified for the application, independently of the rise in the network voltage to values higher than the minimum voltage expected for the network.
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