Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Electrical & Electronics Expert

1) describe how transformers are categorized according to their construction?

2) Describe the material used for core construction.

3) How does change in frequency affect operation of a given Transformer?

4) Determine the angle by which no-load current will lag ideal applied voltage?

5) prepare down the arrangement of stepped core arrangement in a transformer.

6) describe the function of transformer oil in a transformer in detail.

7) prepare down the difference between power transformers and distribution transformers.

8) prepare down the properties of an ideal transformer.

9) prepare down the condition to be satisfied for parallel operation of transformer.

10) What are various losses occurring in a transformer?

11)(a) Describe the principle and operation of autotransformer in detail.

(b) Draw and describe the no load phasor diagram of a single phase transformer.

12)(a) Deduce the emf equation of single phase transformer.

(b) A 120kVA, 6000/400V, Y/Y, 3-phase, 50Hz transformer has iron loss of 1800W. Maximum efficiency occurs at ¾ full loads. Determine efficiency of transformer at

(i) Full load and 0.8 pf

(ii) The maximum efficiency at unity pf.

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M911366

Have any Question? 


Related Questions in Electrical & Electronics

A 2300-v 400-hp 60-hz eight-pole y-connected synchronous

A 2300-V, 400-hp, 60-Hz, eight-pole, Y-connected synchronous motor has a rated power factor of 0.85 leading. At full load, the efficiency is 90 percent. The armature resistance is 0.8 W, and the synchronous reactance is ...

Can the circuit for problem 1340 be simplified if it is

Can the circuit for Problem 13.40 be simplified if it is known that the input represents a BCD (binary-coded decimal) number, i.e., it can never be greater than 1010? If not, explain why not. Otherwise, design the simpli ...

A 50-kva 20000480-v 60-hz single-phase distribution

A 50-kVA 20,000/480-V 60-Hz single-phase distribution transformer is tested with the following results: (a) Find the per-unit equivalent circuit for this transformer at 60 Hz. (b) What is the efficiency of the transforme ...

The circuit in given figure has transistor parameters

The circuit in given Figure has transistor parameters: h F   E  = 100, V B   E  (on) = 0.7 V, and V A  = ∞. (a) From the quiescent values, determine the small-signal parameters for Q 1  and Q 2 . (b) Using nodal analysis ...

I the phase voltage of a three-phase star connected

If the phase voltage of a three-phase star connected alternator be 231V, what will be the line voltages; i)when the phases are correctly connected. ii)when the connections of one of the phases are reversed.

For each network of given figure find the value of r for

For each network of given figure, find the value of R for maximum power to R, and determine the maximum power to R for each network.

For the network of given figurea write the equations

For the network of given figure: a. Write the equations necessary to solve for the branch currents. b. By substitution of Kirchhoff's current law, reduce the set to three equations. c. Rewrite the equations in a format t ...

Assume the full-scale value of the analog input voltage to

Assume the full-scale value of the analog input voltage to a particular analog-to-digital converter is 10 V. a. If this is a 3-bit device, what is the resolution of the output? b. If this is an 8-bit device, what is its ...

Provide support for the following circuits

Provide support for the following circuits activity.  Second Activity: Introduction to Kirchhoff's Voltage Law, Kirchhoff's Current Law and Superposition Theorem. V 1 V 2 R 1 R 2 R 3 R 4 5 V 15 V 10 kΩ 10 kΩ 10 kΩ 10 kΩ ...

A man owns a land that includes a low head water fall and

A man owns a land that includes a low head water fall and wants to build a small hydroelectric plant. The effective head of the reservoir is 20 m. He used a tube of 3 m length and 1 m diameter as a penstock. He computed ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

A cola-dispensing machine is set to dispense 9 ounces of

A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf

What is marketingbullwhat is marketing think back to your

What is Marketing? • "What is marketing"? Think back to your impressions before you started this class versus how you

Question -your client david smith runs a small it

QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno

Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise

Effective hrmquestionhow can an effective hrm system help

Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate