A 75 KVA, 1800/600 V, 3-phase transformerWhat is the turns ratio of this transformer?AnswerThe turns ratio is:connected as Delta-Wye.

Answered: Image /qna-images/answer/f02e2f33-9931-42af-bf9c-81c2d3f6b7c9.jpg

Answered: A 75 KVA, 1800/600 V, 3-phase…

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 3.32MCQ

See similar textbooks

Similar questions

An open-delta three-phase transformer system has one transformer center-tapped to provide a neutral for single-phase voltages. If the voltage from line to center tap is 277 V, what is the high-leg voltage?
For an ideal transformer, the efficiency is (a) 0 (b) 100 (c) 50
For a short-circuit test on a 2-winding transformer, with one winding shorted, can you apply the rated voltage on the other winding? (a) Yes (b) No
The nameplate on a transformer will indicate whether or not it is a Class 2 transformer. (True) (False) (Circle the correct answer.)
All values of a transformer are proportional to its __________________ ___________________.
A two-winding single-phase transformer rated 60kVA,240/1200V,60Hz, has an efficiency of 0.96 when operated at rated load, 0.8 power factor lagging. This transformer is to be utilized as a 1440/1200-V step-down autotransformer in a power distribution system. (a) Find the permissible kVA rating of the autotransformer if the winding currents and voltages are not to exceed the ratings as a two-winding transformer. Assume an ideal transformer. (b) Determine the efficiency of the autotransformer with the kVA loading of part (a) and 0.8 power factor leading.
The symbol shown is a(n) a. iron core transformer. b. auto transformer. c. current transformer. d. air core transformer.
What would be the ratings (voltages and currents) and turns ratio of a three-phase transformer to transform 20MVA from 230kV to 4160V, if the transformer is delta-delta connected? Calculate the ff:*supply line voltage*supply phase voltage*secondary line voltage*secondary phase voltage*turns ratio
A 10kVA, 200/400V 50Hz single-phase transformer gave the following test results. O/C test: 200V, 1.3A, 120W, on l.v. side. S/C test: 22V, 30A, 200W on h.v. side. Calculate voltage drop of transformer. Voltage regulation? Efficiency of transformer?
A 25kVA, 2400/240, 60Hz single phase transformer gave the following short circuit test resultVsc = 100V, Isc = 10.41A, Psc = 93. Find the equivalent resistance in ohms referred to primary. Assume Ip rated is equal to Isc. round off answer to 4 decimal places if necessary.
A 20 kVA, 440/220 V, single-phase transformer has an iron loss of 324 W and a copper loss of 100 W when delivering half full load current. Determine its efficiency when delivering full load current at 0.8 pf lagging.
A 100-KVA, 230-V/115-V, 60-Hz transformer was tested with the following results: Short-circuit test: 9.5 V, 326 A, 1200 W Open-circuit test: 115 V, 16.3 A, 1500 W Determine the KVA load at maximum efficiency and and the maximum efficiency at 0.8 power factor lagging.

SEE MORE QUESTIONS

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

EBK ELECTRICAL WIRING RESIDENTIAL

Electrical Engineering

ISBN:

9781337516549

Author:

Simmons

Publisher:

CENGAGE LEARNING - CONSIGNMENT

Electric Motor Control

Electrical Engineering

ISBN:

9781133702818

Author:

Herman

Publisher:

CENGAGE L

Power System Analysis and Design (MindTap Course …

Electrical Engineering

ISBN:

9781305632134

Author:

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

Publisher:

Cengage Learning

EBK ELECTRICAL WIRING RESIDENTIAL

Electrical Engineering

ISBN:

9781337516549

Author:

Simmons

Publisher:

CENGAGE LEARNING - CONSIGNMENT

Electric Motor Control

Electrical Engineering

ISBN:

9781133702818

Author:

Herman

Publisher:

CENGAGE L

Delmar's Standard Textbook Of Electricity

Electrical Engineering

ISBN:

9781337900348

Author:

Stephen L. Herman

Publisher:

Cengage Learning

Electricity for Refrigeration, Heating, and Air C…

Mechanical Engineering

ISBN:

9781337399128

Author:

Russell E. Smith

Publisher:

Cengage Learning

SEE MORE TEXTBOOKS

A 75 KVA, 1800/600 V, 3-phase transformer is connected as Delta-Wye. What is the turns ratio of this transformer? Answer The turns ratio is: