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Cost optimization for the slitting of core laminations for power transformers

Author

Listed:
  • A. Gerstl
  • S.E. Karisch

Abstract

The successful realization of a project for slitting core laminations for power transformers under minimizing costs is presented. The production of the core of power transformers re-quires great amounts of grain oriented silicon steel (up to 200 tons for a single transformer). The shape of the cross section of the core is approximated to a circle by stacking sheets of different widths. To supply these sheets, coils of given lengths and widths are to be slit following a cutting plan that minimizes the costs. We describe an efficient solution method which is based on the solution of various knapsack problems. Copyright Kluwer Academic Publishers 1997

Suggested Citation

  • A. Gerstl & S.E. Karisch, 1997. "Cost optimization for the slitting of core laminations for power transformers," Annals of Operations Research, Springer, vol. 69(0), pages 157-169, January.
    • Handle: RePEc:spr:annopr:v:69:y:1997:i:0:p:157-169:10.1023/a:1018924810605
    DOI: 10.1023/A:1018924810605
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