Design a simple power factor meter to operate from mains

Assignment Help Electrical Engineering
Reference no: EM13258412

1. design a simple power factor meter to operate from 230v mains. current range=1 to 10 amps. power factor range : 0.4 to 1?

2. what is meant by normal mode rejection? an A/D converter has 20ms integration time. what is the normal mode rejection offered by this ADC for signals having frequency of (i) 150Hz (ii) 145Hz?

Reference no: EM13258412

Questions Cloud

Accounting records for huggins construction company : The following data were summarized from the accounting records for Huggins Construction company for the year ended June 30,2008.
Advocate trade barriers to protect jobs : Unions in developed nations often oppose imports from low-wage countries and advocate trade barriers to protect jobs from what they often characterize as “unfair” import competition.
Explain how each of these design tools : Explain how each of these design tools are used to represent the programming logic for the two requirements to express the Balance: ?Problem analysis chart ?Structure chart ?IPO chart ?
What is its aftertax cost of debt : Telecom Systems can issue debt yielding 12 percent. The company is in a 30 percent bracket. What is its aftertax cost of debt?
Design a simple power factor meter to operate from mains : 1. design a simple power factor meter to operate from 230v mains. current range=1 to 10 amps. power factor range : 0.4 to 1 2. what is meant by normal mode rejection an A/D converter has 20ms integration time.
Define what is the net ionic equation for the reaction : What is the net ionic equation for the reaction that occurs when small amounts of hydrochloric acid are added to a HOCl/NaOCl buffer solution
What is the flow rate in liters per second : Water is moving at a velocity of 1.50 m/s through a hose with an internal diameter of 1.60 cm. What is the flow rate in liters per second
Why the percentage increase in income differs : Compute the predicted 2007 operating income for Procter & Gamble and its percentage increase. Explain why the percentage increase in income differs from the percentage increase in sales.
Compute the ph of a buffer solution prepared by dissolving : Calculate the pH of a buffer solution prepared by dissolving 0.20 mole of cyanic acid (HCNO) and 0.80 mole of sodium cyanate (NaCNO) in enough water to make 1.0 liter of solution. [Ka(HCNO) = 2.0 ? 10-4]

Reviews

Write a Review

Electrical Engineering Questions & Answers

  Find the electric field at the origin in terms of q

In the plane z=5 there is a ring with a 3cm radius with its center on the z axis. The ring has a uniformly distributed charge Q. The origin 0,0,0 is at a small sphere with a mass of 0.5kg and a charge of -Q.

  Express the signal as a sum of weighted unit step response

Express the sequence x(n)={1 n=0 , 2 n=1 , 3 n=2 , 0 else} 1- Express the signal as a sum of weighted and shifted unit impulse sequence. 2- Express the signal as a sum of weighted and shifted unit step sequence

  Determine the value of impulse function h at t

Consider an ideal op-amp in inverting amplifier configuration with feedback impedance Rf=6ohms and an input impedance consisting of a series RL: Ri=6ohms and Li=5H. Let h(t) be the impulse response of the overall amplifer.

  Find the swr on the line and the reflection coefficient

A lossless transmission line of electrical length l = 0.3? is terminated with a complex load impedance . Find the reflection coefficient at the load, the SWR on the line, the reflection coefficient at the input of the line

  Determine what is the power loss per meter

A copper busbar 10cm wide, 5 mm thick, and 10 m long carries a current of 2kA, Calculate the voltage drop if the temperature of the busbar is 120 degree. What is the power loss per meter

  Why is the ability unique to sychronous alternators

a) the synchronous generator has a unique ability whihc places it at the top of the heap of all machines that might be used for generation of electric power. This unique capability is what allows the business of electric dispatch to even occur.

  Discuss the differences between fet and bjt transistors

discuss the differences between FET and BJT transistors. What are the advantages and disadvantages of each kind of transistor What are types of transistors do you know about

  Rc circuits: capacitor is completely discharged

Assume that capacitor is completely discharged when t

  Find minimum pos with inversion and de morgans laws

c) Write the SOP boolean equations as obtained directly from the partial truth table above and sketch a logic circuit diagram for them. d) Reduce the above equations step-by-step into the simplest form that would use only NAND gates.

  Resize lighting system assuming a lighting level at bench

An office building of 20,000 ft2 would then take 40,000 watts of lighting at 2 watts /ft2. which amounted to 667 - 60 watt light bulbs or about the same two-bulb fluorescent fixtures. Resize the lighting system (W) assuming a lighting level.

  Design buttons using combinatorial logic gates and resistors

Design a circuit to capture the pressing of buttons (momentary switches). The circuit should have two LEDs "A" and "B", and two buttons, "A" and "B". Whichever button was last pressed should determine which of the two LEDs is lit.

  What is the value of rth

What is the value of RTH?

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