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Frequency Inverters

Frequency inverters are used to control the speed of induction motors by varying the frequency of the motor supply voltage. Variable-frequency electric drive allows to control speed in a wide range, both during operation and acceleration/deceleration. Frequency inverters also protect the motor against overload, therefore the service life of electrical and mechanical parts of equipment increases. Usage of variable-frequency drive is economically sound in a variety of machines and can achieve up to 60 % of energy saving.