Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Electrical & Electronics Expert

problem 1: Describe the construction and working principle of D.C generator? Why commutator and brush arrangement essential for the operation of a D.C generator?

problem 2: Describe the types of D.C motors?

problem 3: Draw a detailed sketch of D.C. machine and recognize the different parts. In brief describe the function of each main part.

problem 4: Derive an expression for the speed of a D.C. motor in terms of back emf and flux per pole.

problem 5: Describe speed current and speed torque characteristics of the D.C. shunt motor.

problem 6: Describe constructional features and working principles of the D.C. generator.

problem 7: Derive the expression of induced emf of D.C. generator.

problem 8: An 8 pole lap wound D.C. generator consists of 960 conductors; a flux of 40 milli Weber’s and is driven at 400 r.p.m. Determine the induced emf.

problem 9: What are the various applications of a D.C motor and D.C generator?

problem 10: Describe about three point starter? 

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M93245

Have any Question? 


Related Questions in Electrical & Electronics

Suppose 8-bit-wide memory ics that are used to construct a

Suppose 8-bit-wide memory ICs that are used to construct a memory have a read cycle time of 6ns. The application requires data to be processed at a rate of 400Mbyte/sec. How wide should the memory be to satisfy the perfo ...

For the network of given figurea write the equations

For the network of given figure: a. Write the equations necessary to solve for the branch currents. b. By substitution of Kirchhoff's current law, reduce the set to three equations. c. Rewrite the equations in a format t ...

Find the frequency and period of sine waves having an

Find the frequency and period of sine waves having an angular velocity of a. 754 rad/s. b. 8.4 rad/s. c. 6000 rad/s. d. 1/16 rad/s.

A 60-hz four-pole y-connected induction motor is connected

A 60-Hz, four-pole, Y-connected induction motor is connected to a 200-V (line to line), three-phase, 60 Hz line. The equivalent circuit parameters are: The motor is operating at slip s = 0.04. Determine the input current ...

An initially uncharged 2 microf capacitor is connected in

An initially uncharged 2 µF capacitor is connected in series with a 10 kΩ resistor and a 12 V battery. (a) Find the charge and voltage on the capacitor after a very long time. (b) Find the charge and voltage on the capac ...

Many types of decorative lights are connected in parallel

Many types of decorative lights are connected in parallel. If a set of lights is connected to a 110 V source and the filament of each bulb has a hot resistance of 2.2 k Ω, what is the current through each bulb? Why is it ...

Develop a verilog model of the serial output controller of

Develop a Verilog model of the serial output controller of Exercise 8.21. Exercise 8.21 Design a serial output controller for connection to the Gumnut core using the Wishbone bus. The controller should transmit each 8-bi ...

Repeat given problem for the networks of given figure

Repeat given Problem for the networks of given figure 1. Problem a. For the network of figure 2 part  (a), determine the current I. b. Repeat part (a) for the network of figure 2 part (b). c. Is the reciprocity theorem s ...

Q1 if a watt hour meter draws 15 w and 113 vars from a

Q1. If a watt hour meter draws 1.5 W and 11.3 vars from a potential transformer, and 1.2 W and 1.8 vars from a current transformer, the total apparent power burden placed on the current transformer is A. 1.92 VA B. 3.24 ...

For the circuit of given figurea find the mathematical

For the circuit of given figure: a. Find the mathematical expressions for the transient behavior of the voltage v C  and the current i C  following the closing of the switch. b. Sketch the waveforms of v C  and i C

  • 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

A cola-dispensing machine is set to dispense 9 ounces of

A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf

What is marketingbullwhat is marketing think back to your

What is Marketing? • "What is marketing"? Think back to your impressions before you started this class versus how you

Question -your client david smith runs a small it

QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno

Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise

Effective hrmquestionhow can an effective hrm system help

Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate