A single-phase 100-kVA, 14/2.4-kV transformer connected to a source through a line impedance of 38.2 + j140 as shown in Figure 1. The transformer's equivalent series impedance referred to the secondary is 0.10+ j0.40 2. The load is 90 kW at 0.8 lagging power factor and 2300 V. V source Source 38.2 Ω j140 Ω www Feeder (transmission line) 010 Ω j040 Ω www Transformer Figure 1: Circuit for Problem 1 a) Find the voltage of the source. b) Find the voltage regulation of the transformer for this load. c) Find the efficiency of the transformer ignoring the core losses. Load Load 90 kW 0.80 PF
A single-phase 100-kVA, 14/2.4-kV transformer connected to a source through a line impedance of 38.2 + j140 as shown in Figure 1. The transformer's equivalent series impedance referred to the secondary is 0.10+ j0.40 2. The load is 90 kW at 0.8 lagging power factor and 2300 V. V source Source 38.2 Ω j140 Ω www Feeder (transmission line) 010 Ω j040 Ω www Transformer Figure 1: Circuit for Problem 1 a) Find the voltage of the source. b) Find the voltage regulation of the transformer for this load. c) Find the efficiency of the transformer ignoring the core losses. Load Load 90 kW 0.80 PF
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
Chapter3: Power Transformers
Section: Chapter Questions
Problem 3.4MCQ: An ideal transformer has no real or reactive power loss. (a) True (b) False
Related questions
Question
Show work
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 4 steps with 4 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.Recommended textbooks for you
Power System Analysis and Design (MindTap Course …
Electrical Engineering
ISBN:
9781305632134
Author:
J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:
Cengage Learning
Electricity for Refrigeration, Heating, and Air C…
Mechanical Engineering
ISBN:
9781337399128
Author:
Russell E. Smith
Publisher:
Cengage Learning
Power System Analysis and Design (MindTap Course …
Electrical Engineering
ISBN:
9781305632134
Author:
J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:
Cengage Learning
Electricity for Refrigeration, Heating, and Air C…
Mechanical Engineering
ISBN:
9781337399128
Author:
Russell E. Smith
Publisher:
Cengage Learning