A single phase overhead transmission line delivers 1300 kW at 33 kV at 0-65 p.f lagging. The total resistance and inductive reactance of the line are 13 2 and 15 2 respectively. Determine: (i) sending end voltage (ii) regulation (iii) transmission efficiency.

A single phase overhead transmission line delivers 1300 kW at 33 kV at 0-65 p.f lagging. The total resistance and inductive reactance of the line are 13 2 and 15 2 respectively. Determine: (i) sending end voltage (ii) regulation (iii) transmission efficiency.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter8: Symmetrical Components

Section: Chapter Questions

Problem 8.12P: A Y-connected load bank with a three-phase rating of 500 kVA and 2300 V consists of three identical...

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Concept explainers

Distribution System

The final stage in the delivery of the electric power is the electric power distribution system. From the transmission system to the individual customers it carries electricity. The distribution system is connected with the transmission system and is used to lower the voltage of the transmission to medium voltage in the range of 2 kV to 35 kV with the help of transformers. This medium voltage to the distribution transformers located near the customer's premises is carried by the primary distribution system lines. These distribution transformers in turn lower the voltage to utilization voltage used in lightings, household appliances, industrial equipments etc. Through secondary distribution lines often several customers are supplied from one transformer. It is through service drops, the commercial and residential customers are connected to the secondary distribution system lines. Customers who demand a larger amount of power can be connected directly to the primary distribution system level or the sub-transmission level.

Question

5. A single phase overhead transmission line delivers 1300 kW at 33 kV at 0-65
p.f lagging. The total resistance and inductive reactance of the line are 13 2
and 15 2 respectively. Determine: (1) sending end voltage (ii) regulation (ii)
transmission efficiency.
Drocus

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