Find per-unit equivalent circuit of this transformer bank

Assignment Help Electrical Engineering

Reference no: EM13967291

Three 25-kVA 24,000/277-V distribution transformers are connected in Δ-Y. The open-circuit test was performed on the low-voltage side of this transformer bank, and the following data were recorded:

Vline,OC = 480 V

Iline,OC = 4.10 A

P3Φ,OC = 945 W

The short-circuit test was performed on the high-voltage side of this transformer bank, and the following data were recorded:

Vline,SC = 1400 V

Iline,SC = 1.80 A

P3Φ,SC = 912 W

(a) Find the per-unit equivalent circuit of this transformer bank.

(b) Find the voltage regulation of this transformer bank at the rated load and 0.90 PF lagging.

Reference no: EM13967291

Questions Cloud

Schedule of cash collections : Schedule of Cash Collections of Accounts Receivable

How do we know when we are getting it done : Answer the four questions above and create a purpose statement for your HR department. Submit the answers to the four questions and the purpose statement to your instructor for review.

Determine optimal order quantity-number of orders per year : A mail-order house uses 17,090 boxes a year. Carrying costs are 60 cents per box a year, and ordering costs are $96. The following price schedule applies. Number of Boxes Price per Box 1,000 to 1,999 $1.25 2,000 to 4,999 1.20 5,000 to 9,999 1.15 10,0..

Explain the terms optimization and objective function : Explain the following terms: optimization, objective function, optimal solution, constraint, constraint function, feasible solution, and binding constraint.

Find per-unit equivalent circuit of this transformer bank : Find the per-unit equivalent circuit of this transformer bank. Find the voltage regulation of this transformer bank at the rated load and 0.90 PF lagging.

Determining the profit maximization : Creative Accountants, Ltd., is a small San Francisco-based accounting partnership specializing in the preparation of individual (I) and corporate (C) income tax returns. Prevailing prices in the local market are $125 for individual tax return prep..

What is the optimal order size : A jewelry firm buys semiprecious stones to make bracelets and rings. The supplier quotes a price of $8.6 per stone for quantities of 600 stones or more, $9.9 per stone for orders of 400 to 599 stones, and $10 per stone for lesser quantities. Order qu..

Provide information and recommendations : Local government leaders have asked you to provide information and recommendations for increasing sustainability in the community. Perform an initial search to learn about green initiatives for a city in your area.

What is the expected profit for ordering that single bottle : A supermarket, sells soy milk bottles at 2.00 dollar each to the customers and buys them at 0.80 dollar each with a sixty-day expiration. When expired, they are returned to the supplier for 0.20 dollar each. What is the probability that these two ev..

User Account

All Pages