
	Trending ▼ ICSE CBSE 10th ISC CBSE 12th CTET GATE UGC NET Vestibulares ResFinder

2003 Course Power System Operation & Control

3 pages, 32 questions, 0 questions with responses, 0 total responses,

	pune_eng	+Fave Message
	Profile Timeline Uploads Q & A

Home > pune_eng >

Formatting page ...

Total No. of Questions : 12] [Total No. of Pages : 3 P1156 [3664]-178 B.E. (Electrical) POWER SYSTEM OPERATION AND CONTROL (2003 Course) (403141) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates:1) Answer any 3 questions from each section. 2) Answers to the two sections should be written in separate books. 3) Neat diagrams must be drawn wherever necessary. 4) Figures to the right indicate full marks. 5) Use of logarithmic tables, slide rule, Mollier charts, electronic pocket calculator and steam tables is allowed. SECTION - I Q1) a) b) Explain equal area criterion for power system stability. [9] Discuss the importance of critical clearing angle and critical clearing time for power system stability. Derive the expression for critical clearing time in terms of critical clearing angle. [9] OR Q2) a) Explain the solution of swing equation by point by point method. [9] b) A 150 MVA, 13.8 kV, 50Hz, 4 pole turbogenerator has an inertia constant of 8 MJ / MVA. [9] i) Find the stored energy in the rotor at synchronous speed. ii) The machine is operating at a load of 80 MW and the load suddenly increases to 100 MW. Find the rotor retardation. Neglect losses. iii) The retardation calculated above is maintained for 5 cycles. Find the change in the power angle and rotor speed in rpm at the end of this period. Q3) a) What is unit commitment? Explain priority list method of unit commitment. [10] Explain the concept of spinning reserve and thermal units constraints used for commitment. [6] b) P.T.O.

Formatting page ...

Tags : Pune, Engineering, University of Pune, Engineering question papers, Pune University, previous year question papers, question papers, india, model question paper, pune university paper pattern, pune university syllabus, old question papers

pune_eng chat

Horizontal lines at:
Guest Horizontal lines at:
AutoRM Data:
Box geometries: