Exam Details

Subject reactive power compensation and management
Paper
Exam / Course b.tech
Department
Organization Vardhaman College Of Engineering
Position
Exam Date June, 2017
City, State telangana, hyderabad


Question Paper

Hall Ticket No:
Question Paper Code B3361
(AUTONOMOUS) M. Tech II Semester End Semester Regular Examinations, June 2017
(Regulations: VCE-R15) REACTIVE POWER COMPENSATION AND MANAGEMENT
(Power Electronics and Electric Drives) Date: 16 June, 2017 FN
Time: 3 hours
Max Marks: 70
Answer any FIVE Questions
Each Question carries equal marks
1.
Explain the characteristics of reactive power.
7M
Explain the phase balancing and power factor correction in case of unsymmetrical loads.
7M
2.
Discuss the various control parameters used to control the power flow in the transmission line. Also explain the advantages of series compensation.
7M
Discuss the need for line compensation.
7M
3.
Explain the series capacitor compensation with necessary phasor diagram.
7M
Discuss different characteristic time periods.
7M
4.
Briefly discuss the effect of poor electrical power quality and importance of reactive power coordination.
7M
Explain the transmission benefits of reactive power coordination on transmission lines.
7M
5.
Explain any two types of tariffs pointing their benefits.
7M
Discuss various techniques used for load shaping.
7M
6.
Explain the factors affecting the reactive power management.
7M
Explain system losses and their reduction strategies.
7M
7.
Discuss the basic nature of capacitors that act as source of reactive power. Explain the significance of power factor.
7M
Explain the factors affecting in the selection of capacitors. Also discuss the different types of capacitors available.
7M
8.
Explain the layout of a typical traction system. Discuss the importance of reactive power control in electric traction systems.
7M
Describe the operation of an arc furnace and its effects on distribution system.
7M


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