Non-baseload operation of coal-fired power plants, CCC/33

Author(s): Rohan Fernando and others

Ref: CCC/33
ISBN: 92-9029-343-8
Published Date: 01/06/2000
No. of Tables: 11
No. of Figures: 26
No. of Pages: 75

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This report examines the issues concerning non-baseload operation of coal-fired power plant. The nature of cyclic demand, issues affecting how coal plant is used for non-baseload operations and how operators assess the costs of non-baseload operations are reviewed. The technical considerations for major components and contributing effects of fuel, water chemistry are also reviewed. The results suggest that system limitations have heavily influenced plant design. The major coal-fired steam plant alternatives are subcritical pressure drum boiler and sub-and supercritical once through boiler plant. Most concerns related to non-baseload operation are associated with drum boiler plant and first generation once through boiler design. It has also been noted that the issue of non-baseload operation is not new and that many of the technical considerations have been resolved. The non-baseload operating problems experienced by different coal-fired power plant technologies and their potential solutions are discussed in the report.

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