Find the percentage change in terminal voltage

Assignment Help Electrical Engineering
Reference no: EM131199513

A 1500kVA , 6.6 kVA 3- phase star connected alternatorhas effective armature resistance of 0.5 ohms per phase and a synchronous reactance of 5 ohms per phase. find the percentage change in terminal voltage when the rated output of 1500 kVA at

i) Unity power factor;

ii)0.8 lagging pf; is switched off.

Assume the speed and excitation remains unchanged.

Reference no: EM131199513

Questions Cloud

Problem regarding the patient-centric healthcare : Compose a brief summary of the author's main points. Assess the value and challenges of clinical decision support systems (CDSSs), in general, and of computerized physician order entry systems (CPOEs), in specific, to achieve the patient-centered c..
Explain the purpose of the two sets of photodiode-detector : What are the primary considerations in selecting the position sensor for this application? Discuss the advantages and disadvantages of using an optical encoder in comparison with an LVDT in this context.
Identify the specific management behaviours line managers : Identify the specific management behaviours line managers need to show in order to enhance employee engagement in the workplace, highlighting both effective and ineffective management behaviours in this context.
Problem regarding the patient-centric healthcare : Compose a brief summary of the author's main points. Assess the value and challenges of clinical decision support systems (CDSSs), in general, and of computerized physician order entry systems (CPOEs), in specific, to achieve the patient-centered c..
Find the percentage change in terminal voltage : Find the percentage change in terminal voltage when the rated output of 1500 kVA at Unity power factor;-  0.8 lagging pf; is switched off.
Identify concerns that would apply to your specialization : Consider the case from the standpoint of your specialization area and briefly identify concerns that would apply to your specialization (for example, if you are an addictions counselor, would you want to assess for substance use? If so, with which..
What is the difference between a cost and an expense : What is the difference between a cost and an expense? When does a cost become an expense? Do all costs become expenses? Explain.
Problem regarding the performance management : Imagine you are an employee of an investment firm where you have been working hard all year, hoping to be rewarded at your annual review. You know how many accounts you have worked on this year, the innovative ideas you proposed, the many goals yo..
About the quick service restaurant job : Carla works at a typical quick service restaurant (QSR). She is never involved in any problem-solving activities because the system dictates they must defer to managers when problems arise. In addition, she has never been asked to provide any input a..

Reviews

Write a Review

Electrical Engineering Questions & Answers

  Lithium ion battery technology

The paper includes Lithium ion battery technology with its advantages and disadvantages. The paper discusses about the Lithium air battery in which detailed reactions of Lithium with air including nonaqueous as well as aqueous are given.

  Power transformers and tariffs

Construction of different types of power transformer, significant energy savings

  Paper on orthogonal frequency-division multiplexing

This document is shown a paper on Orthogonal frequency-division multiplexing with advantages, disadvantages and uses.

  Function of the hmi in a scada system

This assignment contains electronics engineering questions like State the commonly found components of a SCADA (Supervisory control and data acquisition) system. and decribe the function of the HMI in a SCADA system.

  Resultant waveform of the odd harmonic series

Prepare an Excel graph showing the individual components and summated resultant waveform of the odd harmonic series resulting in an approximate square wave.

  Explain scada system

Explain the function of the HMI in a SCADA system.

  Design a 2-digit 24 second shot-clock

Design a 2-digit 24 second "shot-clock" countdown timer with pushbutton controller.

  Model a discrete-time system

To understand di erent signal models To be able to model a discrete-time system and design simple signal processing algorithms.

  Draw a relay construction diagram

Draw a relay construction diagram and briefly explain the operation of a relay.

  Frequency division multiplexing

Write a short technical report on Frequency Division Multiplexing

  Impact of electron energy

Briefly discuss the impact of electron energy, electron current and target on the Bremsstrahlung generated.

  Traffic light controller

The schematic of the traffic light controller

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