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2003 Course Power Quality (Elective I)

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Total No. of Questions : 12] P1305 [Total No. of Pages : 2 [3864]-226 B.E. (Electrical) POWER QUALITY (2003 Course) (403143) (Elective - I) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates : 1) Answer 3 questions from Section I and 3 questions from Section II. 2) Answers to the two sections should be written in separate books. 3) Neat diagrams must be drawn wherever necessary. 4) Your answers will be valued as a whole. 5) Use of logarithmic tables, slide rule, Mollier charts, electronic pocket calculator and steam tables is allowed. 6) Assume suitable data, if necessary. 7) Figures to the right indicate full marks. SECTION - I Q1) Q2) Q3) Explain various power quality terms as per IEEE std. 1159. [16] OR a) Explain various terms of power quality with reference to each stake holders. Explain EMC, emission and immunity. [10] b) Explain grounding practices as per IEEE std. for better operation of Electronic Equipments. [6] a) Explain various causes, effects of undervoltage and various solutions.[10] b) Explain various causes and effects of flicker. OR [6] Q4) a) Explain various causes, effects of overvoltage and various solutions.[10] b) Explain various means to reduce flicker. [6] Q5) a) Explain voltage sag characteristics. [8] b) Explain with the help of relation influence of fault location and fault level on voltage sag. [10] OR P.T.O.

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