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Set No. 1
Code No: RR410204 Set No. 1IV I Semester Regular Examinations, November 2007 POWER SYSTEM OPERATION AND control (Electrical & Electronic Engineering)Time: 3 hoursMax Marks: 80 Answer any FIVE QuestionsAll Questions carry equal marks 1. (a) Explain the following terms with reference to power plants: Heat input -power output curve, Heat rate input, Incremental input, Generation cost andProduction cost.(b) What are the methods of scheduling of generation of steam plants? Explaintheir merits and demerits?[9+7]2. (a) Incremental fuel cost in Rupees per mega watt hour for two units comprisinga plant are given by the following +21;dc2dp2=.01p1+18;Assume that both units are operating at all times, that total load varies from40 to 200 MW and the maximum and minimum loads on each unit are to be125 and 20 MW respectively.
Code No: RR410204 Set No. 2 (b) For two-area load frequency control with integral controller blocks, derive an expression for steady values of change in frequency …
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