Method and arrangement for protecting a frequency converter

Electricity: motive power systems – Limitation of motor load – current – torque or force

Reexamination Certificate

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Details

C318S459000, C388S903000, C361S033000

Reexamination Certificate

active

11010570

ABSTRACT:
A method and an arrangement for protecting a frequency converter in a system comprising a motor and a frequency converter supplying it via a bipolar or multipolar supply connection, the arrangement comprising first connecting means adapted to couple poles of the supply connection mutually substantially into short-circuit in response to a detection of a fault in the frequency converter.

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