Logo
Home Study Material Contact Search
AI Chat FREE
  1. engineering
  2. electrical engineering
  3. determine the most economical size of a 3-phase li

Determine the most economical size of a 3-phase line which supplies the following loads at 10...

80.2K

Verified Solution

Question

Electrical Engineering

Determine the most economical size of a 3-phase line whichsupplies the following loads at 10 kV : (i) 100 kW at 0·8 p.f.(lag) for 10 hours (ii) 500 kW at 0·9 p.f. (lag) for 8 hours (iii)100 kW at unity p.f. for 6 hours. The above gives the daily loadcycle. The cost per km of the completely erected line is Rs (8000 a+ 1500) where a is the area of cross-section of each conductor. Thecombined interest and depreciation is 10% per annum of capitalcost. Cost of energy losses is 5 paise per kWh. Resistivity ofconductor material = 1·72 × 10−6 Ω cm.

Answer & Explanation Solved by verified expert
3.7 Ratings (395 Votes)
    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Biology
1.2K views

1. ______________________ signaling is a general category of signaling in which a membrane bound signal on...

Mechanical Engineering
1.2K views

Determine the roots of f (x) = −12 − 21x + 18x2 − 2.75x3 graphically. In...

Psychology
1.2K views

this week we are learning about language and cognitive development. Psychologists have been debating for quite some...

Economics
1.2K views

what is the effect of construction sector in corona virus to related in ASEAN

Biology
1.2K views

he endocrine system works closely with the nervous system and helps regulate the body s...

Basic Math
1.2K views

You are running a business that manufactures sneakers. A women's size 9 sneaker is known...

Statistics
1.2K views

benzene was measured in units of milligrams per liter for a simple random sample of...

Statistics
1.2K views

On two investments totaling 13 000 Emma lost 4 on one and earned 8 on...

Algebra
1.2K views

Rationalize the denominator Assume all variables are positive 5 7 5 m n4 7 3...

Accounting
1.2K views

Exercise 9-21(Static) Part 1 Required: 1-a. If the market rate is 8%, calculate...

Accounting
1.2K views

8. Sawaya Co., Ltd., of Japan is a manufacturing company whose total factory overhead costs...

Accounting
1.2K views

Cullumber Limited exchanged equipment that it uses in its manufacturing operations for similar equipment that...