Engineering BE Electrical Engineering Sem 8 December 2022 2022 Design Management And Auditing Of Electrical System Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q2 Solve any three questions out of remaining
2. Q3 Assume data if necessary and justify the same
3. Q1 Solve the following Questions i Explain Maximum Demand Controller li What are the various elements of Energy Monitoring and Targeting ili Explain the term Coordination and Discrimination iv Explain Benchmarking and what are its types? 20 marks
4. Q2 An office room measuring 20m (L) + 15m (B) + 5m (H) requires an average illumination of 400 lux A a. State the design consideration for above lighting system 20 marks
   • b. Calculate the number of lamps required
   • c. Draw the lighting layout B What are the benefits of Power factor improvement? Also explain selection and location of capacitors for same
5. Q3 Discuss the role of following energy efficient technologies and 20 marks
   • (i) Energy Efficient Motor (it) Energy Efficient Transformer From the data given below,
   • (i) Calculate the kVA rating of transformer required for the loads protections and load connections
6. Q4 A Explain Ten step Methodology for Detailed Energy Audit B Explain step by step approach towards electrical load management 20 marks
7. Q5 Discuss in detail procedure involved in the selection of cable conductor A size and other specifications, cable used for connection of a motor to a control panel short length B Discuss the energy performance assessment of lighting system 20 marks
8. Q6 Write a short note on (any four) i Advantages of lead acid batteries Paper Subject Code: 52851 Design Management & Auditing of Electrical Systems Data for Illumination Design problems Correction factors for groups of more than three single-core cables or more than one multicore cables or more than one multicore cables to the values for one NOTES: 1. factors are applicable to groups of cables all of one size equally loaded, including groups bunched in more than one plane 20 marks
9. Q2 spacing between adjacent cables exceeds twice their overall diameter, no reduction factor need be applied Paper Subject Code: 52851 Design Management & Auditing of Electrical Systems Current-carrying and associated vollage drops for twin and methods A to C tot E Hot method Kot FOR AMBIENT TEMPERATURE CORRECTION Current-carrying and associated drops for twin and Paper Subject Code: 52851 Design Management & Auditing of Electrical Systems capecities and drops for single-care p.v.c. cables, non-armoured, with sheath (Aluminium methods A methods E of. method J of Table 14, of 4 la- of 4 cables | ical area of Cables three-phase’ three-p Current-carrying capacilies and associated voltage draps for twin method of Table 11 meihod X of cross One twincablo single phase One Feur core cable, | Orie twin cabie, single phase Oné thrae four oore Cable, FOR AMBIENT TEMPERATURE

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