Electricity: motive power systems – Limitation of motor load – current – torque or force
Reexamination Certificate
2007-06-05
2007-06-05
Ro, Bentsu (Department: 2837)
Electricity: motive power systems
Limitation of motor load, current, torque or force
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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Pöyhönen Simo
Talja Markku
ABB Oy
Dykema Gossett PLLC
Ro Bentsu
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