Influence of regenerative braking to power characteristics of a gantry crane

The aim of this paper is to present and discuss the results of the power quality measurements that were carried out on the gantry crane which is settled in the container centre of Muuga seaport in Estonia. When lowering the hoist and braking the trolley, the driven motors operate in a regenerative b...

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Bibliographic Details
Main Authors: Beldjajev, V, Lehtla, T, Mõlder, H
Format: Conference Proceeding
Language:English
Subjects:
Containers
Cranes
Electric variables measurement
Electrical equipment industry
Feeds
Frequency
gantry crane
Power generation
Power measurement
Power quality
regenerative braking
variable energy flow
Voltage
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Summary:The aim of this paper is to present and discuss the results of the power quality measurements that were carried out on the gantry crane which is settled in the container centre of Muuga seaport in Estonia. When lowering the hoist and braking the trolley, the driven motors operate in a regenerative braking mode and feed some active power back into the electrical grid. As the load of a crane varies during each cycle the measurements were carried out in order to analyze the influence of variable energy flow to power characteristics.
DOI:10.1109/PQ.2010.5550015