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Stepless speed control system

We deliver control systems with frequency inverters ( squirrel cage motors, slip-ring motors) and modern DC converters (DC motors). We deliver also control boxes for electromagnets with stepless magnetizing current regulation (attractive force).  

Our solution:

Gantry crane equipped with drives with
frequency inverters and electronic differentiation
system of a clamshell grab. 
Hoist equipped with drives with frequency inverters.
Frequency inverters installed in
a control box
                                                           DC converter
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