Types of DC Generators 1. The armature of a separately-excited DC generator has 0.06 effective resistance. Each brush has an effective resistance of 0.015 №. The terminal voltage is 120 volts while the current is 30 amperes. Determine the power generated in the armature.

Types of DC Generators 1. The armature of a separately-excited DC generator has 0.06 effective resistance. Each brush has an effective resistance of 0.015 №. The terminal voltage is 120 volts while the current is 30 amperes. Determine the power generated in the armature.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter29: Dc Generators

Section: Chapter Questions

Problem 18RQ: What is the voltage regulation of a DC generator proportional to?

See similar textbooks

Related questions

Q: 1. Determine the spectral components of the FM signal below. VFM 100 [sin (204.6mx106) t+…

A: According to the question, we need to analyze the equation of the FM signal.

Q: Problem 2: Find İLOAD through RLOAD using Thevenin's theorem 12 V + α www.xwww 3 Ω Μ 6Ω b 3 Ω 5Ω Μ…

Q: True or False: Collisions are normal in CSMA/CD method * True False either of the above none of the…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: What is the function of the one-bit half adder? Exactly how many inputs and outputs are there…

A: One-bit half adder:- A form of combinational logic circuit known as the Half Adder adds two 1-bit…

Q: 2. V Min 0 in the standing wave pattern a) Kr=0 b) Kr=+0.5 c) Kr=±0.8 d) Kr=+1

A: SWR= (Vmax/Vmin)=(1+|Kr|)/(1-|Kr|) Where SWR= Standing wave ratio

Q: A 200V d.c. motor develops a shaft torque of 15 Nm at 1200 rev/min. If the efficiency is 80%,…

A: Voltage V = 200 V Shaft torque T = 15 Nm Number of revolutions n = 1200/min Efficiency η = 80%

Q: 3. Minimize the following Boolean functions into sum-of-products form using a K-map (a) F(a, b,c,d)…

Q: What is the output of following program: X= -3.5 Y= Sgn (-3.5) Print Y 3.5-O 3.5 O 10 1-0

A: f=sgn(a) f=1 when a greater than 0 f=0 when a is equal to 0 f=-1 when a is less than 0

Q: For a pulse-amplitude modulated (PAM) transmission of voice signal having maximum frequency equal to…

Q: fm Q5: A carrier signal of frequency 91 MHz is frequency modulated by a sine signal of amplitude 10…

A: We need to find out the bandwidth for FM signal .

Q: The RL circuit of the following figure is fed from a constant magnitude, variable frequency…

A: Given- At 100 Hz, Voltage drop in R = uRMS , Voltage drop in L = uRMS . To find- New voltage…

Q: Q1] for the following circuit choose the correct answer Assume that the circuit operates at co = 50…

A: given here a circuit and asked to find the input impedance ( Zin ).

Q: What is the equivalent resistance between the points A and B of the network. 202 Aww 492 g 1002 www…

A: We simplify above circuit to calculate equivalent resistance, as one can see in digaram:

Q: 3. Determine the current i, through the 20-12 resistor. 3A 1 1252 www 45 (22 2012 www 362

A: We need to find out the current through given resistor in given circuit , we will find out by using…

Q: For the transfer function G(s)H(s) = [1/s (s+1) (s+0.5)], What will be the phase cross-over…

A: Given- Transfer function- G(s) H(s) =1s(s+1)(s+0.5) , To find- Phase cross over frequency .

Q: A corridor is lighted by 4 lamps spaced 15 m apart and suspended at a height of 5 m above the centre…

Q: From the curcuit given below, determine the total amount of power in the series circuit. 50 V 5Ω 202…

A: We need to find out the total power for given circuit

Q: 1 X L1 M1 M2 Y

A: Let two control block x and y connected in posiitive parallel then then resultant block will be x+y.…

Q: Problem 2: Find ¡LOAD through RLOAD using Thevenin's theorem 12 V α we kw Μ 3Ω 6Ω 3 Ω b 50 5Ω www…

A: Solution !!

Q: 7. Use the truth table below to create a circuit in verilog HDL with three inputs (x,y,z) and four…

Q: 1. Given the Circuit below, find branch currents 11, 12 and 13. 1₂. 50 15V i1 602 10Ω 10V 12 www 4Ω

A: Given circuit is

Q: For a boost converter operating in continuous conduction mode, when the dc input voltage is 10…

Q: R₁ = 2.5 12 R₂-692 R₁-20 200 V- R₂ = 40

Q: In your own words, how does the Philippine Electrical Code contribute to the electrical designs,…

A: It is asked to describe the contribution of Philippine Electrical Code to the electrical designs,…

Q: AF ADM system is designed to operate at 3 times the Nyquist rate for a signal with a 3 kHz…

Q: A power supply provides 400 watts to a load and is 80% efficient. In 24 hours how many…

A: Given: Power output, Pout=400 W. Efficiency, η=80%=0.8 . Time, t=24 hours.

Q: 1) Which pole-zero plots(s) (if any) correspond to a natural frequency ωn greater than 10 rad/sec?…

A: For the given pole-zero plots of the systems, we need to determine which systems have (a) a natural…

Q: For a certain 12 V zener diode, a 10 mA change in zener current produces a 0.05 V change in zener…

A: Given data, Zener voltage Vz=12 V Change in Zener voltage △V=0.0.5 V Change in current △I=10 mA=…

Q: 40 m 10 V Figure 6.5 1202 Select one: A. 4 V B. 10 V C. 6 V D. 8 V + V₂ See Figure 6.5. What is the…

A: We need to find out the open circuit voltage for given circuit

Q: Given the discrete signal below, determine x(n/2) x(n) = n+1, -2 <n<5 0, otherwise

A: Given: xn=n+1,-2≤n<50otherwise Required: xn2

Q: n your own words, how does the Philippine Electrical Code contribute to the electrical designs,…

A: PHILIPPINE ELECTRICAL CODE ( PEC ) PEC Consists of two types of electrical installation buildings,…

Q: Find the percent modulation of an AM wave whose total power content is 2500 W and whose sidebands…

A: Total Power Pt = 2500 W Side band power PSB = 400 W We have to determine the modulation percentage μ…

Q: i₁ VR. + R₁ 24 R₂ e₂ s + Vi + in | Va R₂

Q: Describe each of the following expressions as SOP, POS, both or neither. Discuss the numb variables,…

Q: A 1602 resistor, an 830 inductive reactance, and a 20 capacitive reactance are in series. A 120V…

A: Given data, Resistance R=16 Ω. Inductive reactance, XL=93 Ω Capacitive reactance XC=20 Ω Supply…

Q: The power factor of a load on a 120-V 60-Hz source is raised from 0.707 lagging to 0.866 lagging by…

A: Given data, Frequency f=60 Hz Power factor, cosϕ1=0.707cosϕ2=0.866 Capacitance C=53 μF Voltage V=120…

Q: Calculate the current in the loop, 10 Ω 20 V 5Ω (+-) 10 V 80 V 20 Ω

A: The given circuit is,

Q: Construct a 5-2-2-1 weighted code for decimal digits. What numbers does 1110 0110 represent in this…

A: To do: a) We have to construct 5-2-2-1 weighted code for decimal digits. b) what numbers does 1110…

Q: The numbers are placed in the memory locations 2501 to 2504H. The sum is to be stored in the memory…

A: Solution !!

Q: Q4: (answer in phasor form) V = 10 cos 4t b) i=....... Your answer i 592 www 0.1 F +41

A: We need to find out the current for given circuit

Q: 2. If 750 μA is flowing through 11 k of resistance, what is the voltage drop across the resistor? A.…

A: Given data, Current flowing i=750 μA Resistance R=11 kΩ

Q: Given the discrete signal below, determine the value of x(-3) x(n) = n-0.5, -3 <n≤ 4 0, otherwise…

A: We need to find out the value of given signal at given value of n

Q: Determine minimum sampling frequency x(t)=4.5cos(194.53t)

A: As per guidelines i have to answer first question only.please ask remaining again.

Q: PROBLEM #9 IN THE CIRCUIT BELOW, ONLY THE VOLTAGE UX IS OF INTEREST. SIMPLIFY THE CIRCUIT USING…

Q: A diode is an example of ___ switch. A. SPDT B. passive C. active D. DPDT

A: Diodes always have some barrier potential across it. It is represented by a drop of 0.7V or 0.3V…

Q: роз KCL @ node A, B, C kuci SA the 1252 V₁ 2512 20520 405 un V₂ 405 ↑) 7.5 A

Q: Find the percent modulation of an AM wave whose total power content is 2500 W and whose sidebands…

A: We need to find out modulation index for given AM signal .

Q: For the given logic circuit, find the following: a. Logic Equation or Output b. Simplified logic…

A: The output of AND gate is high if all the input is high. The output of OR gate is high if any one of…

Q: If the power of an elementary electric dipole is 100 kW, what should be the numerical value of the…

A: Note: We have considered Half wave electric dipole antenna. According to the question, if power of…

Q: Consider continuous standard telephone channel, with bandwidth 3100 Hz perturbed by bandlimited…

Concept explainers

DC Generator

An electromechanical machine which converts input mechanical energy to respective output electric energy is called a generator.

Question

Answer by step by step procedure Make sure to illustrate the problem Box the final answer

Types of DC Generators
1. The armature of a separately-excited DC generator has 0.06
effective resistance. Each brush has an effective resistance
of 0.015 №. The terminal voltage is 120 volts while the
current is 30 amperes. Determine the power generated in the
armature.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.

Similar questions

A 200V long-shunt generator delivers 100A, has an armature resistance of 0.05Ω, a series field resistance of 0.25Ω and a shunt field resistance of 200Ω. If a feeder resistance of 0.05Ω and a brush contact drop of 2.5V are considered, what will be the generated voltage (in Volts) of the machine? use two decimal places if the answer is not exact and do not include the unit anymore.
Describe the similarities in the construction of a DC motor and a DC generator. Please answer in short point wise and dont copy from other sources i will like lt
The stator of a 3? , 8-poles machine has 96 stator slots and short-pitched by 9/12.The airgap flux density shows that third and fifth harmonics are present and are of amplitude30 and 15 percent of the fundamental. Determine the ratio of the line-to-line voltage and linenatural voltage
Identify the DC Generator used for Arc Welding purpose. With a neat sketch explain its working. List it's advantages and disadvantages.
Select the DC generator used for arc welding. With an elegant drawing explaining its operation. Mention their advantages and disadvantages
DEGREE: ELECTRICAL ENGINEERING SUBJECT/COURSE: AC MACHINES Answer the following questions (A, B and C) depending on the topic. 1. ALTERNATORS A. Why is it necessary to maintain the speed of an alternator at all times and how do they control the speed of an alternator when in operation? B. Distinguish between half-coiled and full-coiled armature windings in alternators. C. Why are fractional pitch windings generally used in alternators?
Explain with neat sketch the operation of regulated DC power supply.
A belt-driven 100-kW, shunt generator running at 300 RPM on 220-V busbars continues to run as a motor when the belt breaks, then taking 10 kW. What will be its speed when the armature resistance = 0.025 ohms, field resistance = 60 ohms and contact drop under each brush = 1 V? Assume the flux deteriorates by 25% when ran as a motor.
A 220 V dc machine has an armature resistance of 1ohm if the full load current is 20 A, the difference of induced voltage, when the machine is running as a motor and generator, is *
a) How laminated core of electrical machines reduces the iron losses?b) How can you control the voltage of dc generator during operation?c) Why parallel paths are used in electrical dc machines?
A 4 -pole DC shunt generator with lap connected armature has field & armature resistance of 80Omega&0.1Omega respectively.If supplies power to 50 lamp rated for 100 Volt 60 Watts each.Calculate the total armature current and the generated emf by allowing a brush drop of 1V per brush.
What should be installed to power the DC water pump, from [stream-turbine-motor-________- water pump]? Do I need battery or Voltage regulator of this? It is better if you have an idea to suggest.