Ask Question, Ask an Expert


Ask Electrical & Electronics Expert

problem 1:

a) Draw the circuit of a half-wave-rectifier and find the ripple factor, % regulation, efficiency and PIV.

b) Compare the performance of Inductor filter and capacitor filter.

problem 2: With appropriate diagrams, describe the working of centre-tapped full wave rectifier. Derive expressions for VDC, IDC, Vrms and Irms for it

problem 3:

a) Describe the working of Bridge rectifier with required sketches and parameters.

b) Describe the relative advantages and disadvantages of all the rectifiers.

problem 4:

a) Define the given terms of a rectifier and filter:

•    Ripple Factor.
•    Regulation.
•    Rectification Efficiency.
•    Form Factor.

b) What is the ripple factor if a power supply of 220 V, 50 Hz is to be Full Wave rectified and filtered with a 220µF capacitor before delivering to a resistive load of 120Ω? find out the value of capacitor for the ripple factor to be less than 15%.

problem 5:

a) Derive expressions for ripple factor of a Full Wave Rectifier with and without a capacitive filter.

b) find out the average and RMS load currents, TUF of an unfiltered centre tapped Full Wave Rectifier specified below.

Input voltage to transformer = 220 V/50 Hz.
Step down ratio of centre tapped transformer = 4:1(Primary to each section secondary).
Sum of transformer secondary winding in each secondary segment and diode forward resistance = 100Ω.
Load resistance, RL = 220Ω.

problem 6:

a) Define the term Ripple factor and form factor. Establish a relation between them.

b) Describe the need of a bleeder resistor in an L – section filter used with a Full Wave filter.

c) find out ripple factor of an L – section choke input filter used at the output of a Full wave rectifier. Capacitor values of the filter are given as 10 H and 8.2 µF correspondingly

problem 7:

a) List out the advantages and disadvantages of Bridge type Full Wave rectifiers over centre tapped type Full Wave rectifiers.

b) The secondary voltages of a centre tapped transformer are given as 60V-0V-60V the total resistance of secondary coil and forward diode resistance of each section of transformer secondary is 62Ω. find out the following for a load resistance of 1 KΩ.

•    Average load current
•    Percentage load regulation
•    Rectification efficiency
•    Ripple factor for 240 V/50Hz supply to primary of transformer.

c) What is bleeder resistance in L – section filters? 

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M93504

Have any Question? 

Related Questions in Electrical & Electronics

1 what is the significance of a b times c 02 is it

1. What is the significance of A · B × C = 0? 2. Is it necessary for the reference vectors a 1 , a 2 , and a 3 to be an orthogonal set? 3. State whether a 1 , a 2 , anda3 directed westward, northward, and downward, respe ...

An ideal transformer has a 150-turn primary and 750-turn

An ideal transformer has a 150-turn primary and 750-turn secondary. The primary is connected to a 240-V, 50-Hz source. The secondary winding supplies a load of 4 A at a lagging power factor (pf ) of 0.8. Determine (a) th ...

Find the disruptive and visual corona voltage of a grid

find the disruptive and visual corona voltage of a grid line operating at 132kv ,conductor diameter =1.9cm,conductor spacing =3.81m,temp=44,pressure=73.7,conductor surface factor ;fine weather=0.8;rough weather=0.66

Hugo views donuts and coffee as perfect complements he

Hugo views donuts and coffee as perfect complements: He always eats one donut with a cup of coffee and will not eat a donut without coffee or drink coffee without a donut. Derive and plot Hugo's Engel curve for donuts. H ...

A source of strength 15 m2s at the origin is combined with

A source of strength 1:5 m 2 /s at the origin is combined with a uniform stream moving at 9 m/s in the x direction. For the half-body which results, find (a) The stagnation point; (b) The body height as it crosses the y ...

1 when a doublet is added to a uniform stream so that the

1. When a doublet is added to a uniform stream so that the source part of the doublet faces the stream, a cylinder flow results. Plot the streamlines when the doublet is reversed so that the sink faces the stream. 2. A 2 ...

1 explain how a 1 bit 4-to-1 mux can calculate any binary

1. Explain how a 1 bit 4-to-1 MUX can calculate any binary Boolean function. Because the MUX can calculate the result of any Boolean function, we call the MUX a univeral operation. 2. In Logism implement an 8 bit 4-to-1 ...

1 can we use ssl with udp explain2 why is there no need for

1. Can we use SSL with UDP? Explain. 2. Why is there no need for a Security Association with SSL? 3. Compare and contrast PGP and S/MIME. What are the advantages and disadvantages of each? 4. Should the handshaking in SS ...

1 for the force field f x2ay find the approximate value of

1. For the force field F = x 2 ay, find the approximate value of the line integral of F from the origin to the point (1, 3, 0) along a straight line path by dividing the path into ten equal segments. 2. For the force fie ...

A continuous-time signal x t deltat 12 is sampled at

A continuous-time signal x (t) = Δ((t = 1)/2) is sampled at three rates: 10, 2, and 1 Hz. Sketch the resulting sampled signals. Because x (t) is timelimited, its bandwidth is infinite. However, most of its energy is conc ...

  • 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

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen