NDLI: Comparison of DC and AC container crane drive systems

Content Provider	IEEE Xplore Digital Library
Author	Fischer, G.L.
Copyright Year	1999
Description	Author affiliation: Autom. & Drives, Siemens Ltd., Taipei, Taiwan (Fischer, G.L.)
Abstract	The reliability of container handling equipment is of prime importance to container terminal operators. This leads to specifications for container crane drive systems to be very detailed. As a side effect of this, new technology only very reluctantly is accepted. The following paper summarizes the key aspects of crane drive system reliability in the light of most recent developments of drive technology. Most relevant is the maturing of field-oriented controlled AC drives. The main focus of the paper is on a comparison between DC and AC drive technology. For DC drives brushes and commutators are identified as the main reliability bottleneck. The sensitivity of the commutator-brush arrangement to various ambient conditions is explained. For AC drives their general characteristics are presented together with known restrictions in terms of motor winding insulation stress and the reliability impact of different AC infeeder configurations.
Starting Page	297
Ending Page	302
File Size	578799
Page Count	6
File Format	PDF
ISBN	0780357698
DOI	10.1109/PEDS.1999.794578
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-07-27
Publisher Place	Hong Kong
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Containers Cranes DC motors AC motors Thyristors DC-DC power converters Commutation Velocity control Maintenance DC generators
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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