Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Electrical & Electronics Expert

Electrical Engineering Questions -

Q1. Two ideal voltage sources designated as machines 1 and 2 are connected, as shown in the figure below.

1857_figure.png

Given E1 = 65∠0oV, E2 = 65∠30oV, Z = 3Ω. Determine if

Machine 1 is generating active power and |P1| = _______ W

Machine 2 is generating active power and |P2| = _______ W

Machine 1 is delivering reactive power and |Q1| = _______ var

Machine 1 is receiving reactive power and |Q2| = _______ var

Z is absorbing _______ W.

Q2. A three-phase 440-V line is supplying a three-phase 14-hp motor operating at full load, 80% efficient and 83% power factor lagging. Find the values of P and Q drawn from the line

P = _______ (kW)

Q = _______ (kW)

Q3. Find the line-to-line voltage at the bus, which supplies 440-V line at a three-phase 18-hp motor operating at full load, 86% efficient and 85% power factor lagging. The impedance of each of the three lines connecting the bus and the motor is 0.3 + 0.8jΩ.

|Vline-to-line| = _______ (V)

Note: this question is checked to one decimal place.

Q4. A three-phase load draws 23kva at a power factor of 0.8 lagging from a 220 - V line. The kVAR of the capacitor to make the combined power factor 0.85 lagging is ______ kvar help (numbers).

Before connecting the capacitor, |I| = ______ A

After connecting the capacitor, |I| = ______ A

Note: this question is checked to two decimal places.

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M93116824
  • Price:- $20

Guranteed 24 Hours Delivery, In Price:- $20

Have any Question? 


Related Questions in Electrical & Electronics

1 a name the three major groups of contamination and

1. (a) Name the three major groups of contamination and briefly describe their physical characteristics. (b) Where do the above contamination types come from? Give one example of each. 2. Name two processes metrics which ...

Questions -problem 1 - a series rlc network has r 2 komega

Questions - Problem 1 - A series RLC network has R = 2 kΩ, L = 40 mH and C = 1μF. Calculate the impedance at resonance and at one-fourth, one-half, twice, and four times the resonant frequency. Problem 2 - Design a serie ...

Case studythis assignment consists of a written report of

CASE STUDY This assignment consists of a written report of approximately 1000 words and any diagrams in which you are asked to critically compare different process methods used to achieve the same result and show an awar ...

Summative assessmentin 2017 sej101 assessment will consist

Summative Assessment In 2017 SEJ101 assessment will consist of nine tasks that will develop a portfolio of your assessed work. Throughout the trimester you will have the opportunity for feedback on all nine tasks before ...

1 goalin this project you will solve a non-trivial design

1 Goal In this project you will solve a non-trivial design problem explicitly using the divide-and-conquer (D&C) approach. The main reason for using the D&C approach is the ease of the design process and the streamlined ...

Assignment -consider a common emitter amplifiernow lets say

Assignment - Consider a common emitter amplifier: Now let's say that R B and R C do a fine job at DC biasing the BJT but they are large so they can be neglected for small signal (AC) analysis. In that case, the equivalen ...

Questions -q1 a single-phase transformer rated 21 kv130 v

Questions - Q1. A single-phase transformer rated 2.1 kV/130 V, 7.8 kVA has the following winding parameters: r1= 0.7Ω, x1 = 0.9Ω, r2 = 0.04Ω and x2 = 0.05Ω. Determine: a. The combined winding resistance ________ Ω and le ...

Electrical engineering questions -q1 two ideal voltage

Electrical Engineering Questions - Q1. Two ideal voltage sources designated as machines 1 and 2 are connected, as shown in the figure below. Given E 1 = 65∠0 o V, E 2 = 65∠30 o V, Z = 3Ω. Determine if Machine 1 is genera ...

Question 1 a pnp transistor withnbspbeta 60 is connected

Question 1. A pnp transistor with β = 60 is connected in a common-base configuration as shown in figure P5.8 (a) The emitter is driven by a constant-current source with I E = 0.75 mA. Determine I B , I C , α, and V C . ( ...

Advanced computational techniques in engineering assignment

Advanced Computational Techniques in Engineering Assignment - Optimisation For this assignment, you are required to carry out the process of attempting to solve different optimisation problems. For each question, you are ...

  • 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

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As