Circuit 1 – Lighting Load by the Area Methoda. Determine the wattage required per square area. b. Determine the current load (230 volts) c. Compute the actual lighting load d. Solve the actual current load e. Determine the size of the branch Circuit wire. f. Determine the size of conduit Pipe. g. Determine the size of size or Rating of the branch circuit Protection A single family dwelling with a floor area of 80square meters has the following receptacles andoutlets load:а.Lighting9 pcs - 40 watts fluorescent lamp5 pcs - 20 watts LED lampb.Convenience outlet1- Electric Iron ; 1,000 watts1- Portable Stereo; 50 watts1- Electric Stove ; 1,200watts1- Electric Fan ; 250 watts7 cu. ft. Refrigerator; 185 watts

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Circuit 1 – Lighting Load by the Area Method a. Determine the wattage required per square area. b. Determine the current load (230 volts) c. Compute the actual lighting load

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

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.39P

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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

Circuit 1 – Lighting Load by the Area Method

a. Determine the wattage required per square area.

b. Determine the current load (230 volts)

c. Compute the actual lighting load

d. Solve the actual current load

e. Determine the size of the branch Circuit wire.

f. Determine the size of conduit Pipe.

g. Determine the size of size or Rating of the branch circuit Protection

A single family dwelling with a floor area of 80
square meters has the following receptacles and
outlets load:
а.
Lighting
9 pcs - 40 watts fluorescent lamp
5 pcs - 20 watts LED lamp
b.
Convenience outlet
1- Electric Iron ; 1,000 watts
1- Portable Stereo; 50 watts
1- Electric Stove ; 1,200
watts
1- Electric Fan ; 250 watts
7 cu. ft. Refrigerator; 185 watts

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