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Scheduling of radio-controlled heating load

Scheduling of radio-controlled heating load

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  • Author(s): B. Fox 1 ; A.I. McCartney 2 ; B.M. McCann 2
    • View affiliations
    • Affiliations: 1: Department of Electrical and Electronic Engineering, The Queen's University of Belfast, Belfast, United Kingdom
      2: Department of Electrical and Electronic Engineering, Castlereagh House Control Centre, Belfast, United Kingdom
  • Source: Volume 145, Issue 6, November 1998, p. 641 – 646
    DOI:  10.1049/ip-gtd:19982356 , Print ISSN 1350-2360, Online ISSN 1359-7051
© IEE
Published

An economic loading program has been adapted to enable it to obtain an optimum heat-load profile to meet the forecast heat requirement. The heat load is represented by a ‘generator’ whose load is constrained to be negative. The incremental cost of this unit is a heat energy price. This is adjusted to obtain a heat profile containing the requisite energy. The profile is then used by a dynamic programming algorithm to derive a commitment pattern for each block. A case study is presented which shows that the procedure can minimise heat energy cost. It is also shown that use of the proposed method results in less generator load cycling. This reduced regulation duty should improve reliability.

Inspec keywords: dynamic programming; economics; radio applications; load regulation; scheduling; power system control; telecontrol; thermal variables control

Other keywords: heat energy cost minimisation; economic loading program; forecast heat requirement; dynamic programming algorithm; commitment pattern; heat energy price; optimum heat-load profile; radio-controlled heating load scheduling; heat profile; reduced regulation duty; reliability

Subjects: Radio links and equipment; Power system control; Control of electric power systems; Thermal variables control; Optimisation techniques; Power system management, operation and economics; Optimisation techniques; Telecontrol and telemetering components

References

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      • S.D. Bond , B. Fox . Optimal thermal unit scheduling using improved dynamic programming algorithm. IEE Proc. C , 1 , 1 - 5
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      • F.E. Villaseca , B. Fardanesh . Fast thermal generation rescheduling. IEEE Trans. , 1 , 65 - 71
    3. 3)
      • McCann, B.M.: `Measurement and control of power system heating load', 1993, MSc, The Queen’s University of Belfast.
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      • B. Krekó . (1968) Linear programming.
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      • C. Brewer , G.F. Charles , C.C.M. Parish , J.N. Prewett , D.C. Salthouse , B.J. Terry . Performance of a predictive automatic load-dispatching system. Proc. IEE , 10 , 1577 - 1586
    6. 6)
      • A.I. McCartney . Load management using radio teleswitches within NIE. Power Eng. J. , 4 , 163 - 169
    7. 7)
      • K.M. Radi , B. Fox . Power system economic loading with flexible emergency reserve provision. IEE Proc. C , 4 , 257 - 262
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      • Edwardson, S.M., Eyre, B.E., Hensman, G.O., Wright, D.T.: `A radio teleswitching system for load management in UK', Proceedings of the IEE Conference on Metering, apparatusand tariffs for electricity supply, 1982, London, p. 40–46.
    9. 9)
      • Y.-Y. Hsu , C.-C. Su . Dispatch of direct load control using dynamic programming. IEEE Trans. , 3 , 1056 - 1061
    10. 10)
      • A.J. Wood , B.F. Wollenberg . (1996) Power generation, operation and control.
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