Determine efficiency on diffrent load cycle, Electrical Engineering

Assignment Help:

Q. A 75-kVA transformer has an iron loss of 1 kW and a full-load copper loss of 1 kW. If the transformer operates on the following load cycle, determine the all-day efficiency:

8 hours full load at unity power factor

8 hours no load

8 hours one-half full load at unity power factor


Related Discussions:- Determine efficiency on diffrent load cycle

Calculate the e.m.f. generated in armature of a d.c. machine, The armature ...

The armature of a d.c. machine has a resistance of 0.3 and is connected to a 200V supply. Calculate the e.m.f. generated when it is running (a) as a generator giving 80A (b) as a

Explain the conductyvity of atom with four valence electrons, Atoms with fo...

Atoms with four valence electrons are good conductors. This statement is true or false. Ans:  Atoms are good conductors with four valence electrons. This statement is false.

Cro, Diagram and explanation of cro

Diagram and explanation of cro

TRANSISTOR BIASING CIRCUITS, HOW TO FIND THE OPERATING POINT OF THE TRANSIS...

HOW TO FIND THE OPERATING POINT OF THE TRANSISTO IN A COLLECTOR TO BASE BIAS CIRCUIT

What are the duties of sub-station operator, What are the Basic Duties of S...

What are the Basic Duties of Sub-Station Operator? Ans: Sub station operator is responsible for safe and proper operation of all electrical equipments in sub-station. He co

Determine the response of a series r-c circuit, Determine the response of a...

Determine the response of a series R-C circuit to a SQUARE wave. Explain how the time constant affects the waveform observed across the components. Illustrate your answer by means

Temperature triggering , Temperature Triggering At high temperature th...

Temperature Triggering At high temperature the leakage current  of junction J 2 increases. This leakage  current is collector  current of tr 1 and Tr 2 . So rise in temperat

What do you mean by an assembler, What is an assembler? Assembler: An...

What is an assembler? Assembler: An assembler or macro-assembler usually forms a part of the operating system. This translates an assembly language program in machine languag

Quality control systems, Give three reasons why a chamfer shouldn't be cons...

Give three reasons why a chamfer shouldn't be considered an "unimportant" dimension. When conducting an audit, what is the first step and what is its purpose? Why will calcul

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd