A shunt generator supplies 100 A. at 200 V. The armature and shunt field resistances are 0.025Ω and 100Ω, respectively. If the copper losses are equal to the iron losses at this load, find the brake horsepower of the engine driving the generator.

A shunt generator supplies 100 A. at 200 V. The armature and shunt field resistances are 0.025Ω and 100Ω, respectively. If the copper losses are equal to the iron losses at this load, find the brake horsepower of the engine driving the generator.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter17: Resistive-inductive Series Circuits

Section: Chapter Questions

Problem 3RQ: 3. What is power factor?

See similar textbooks

Related questions

Q: Hiw St Find the Current supplied by each Maxwells battery in the network us' loop equation. iing 26…

Q: A wind turbine has the following data: Downstream wind velocity = 12 m/s Upstream wind velocity =34…

A: wind efficiencyη =PoutPIn×100Rotor power output is 0.5MWbut output power is also given…

Q: compute the developed torque Ta (in N.m) if the r

Q: GIVEN: A motor has an output of 0.5 hp with an input of 410 W. FIND: The efficiency of the motor.…

A: Given, A motor has Output power, P0=0.5 hp Input power, Pin=410 W

Q: Summarize the proof of the theorem of maximum power transfer using voltage division, the definition…

Q: In a given DC motor, the output power is 30 HP, and the copper losses are 1.62 KW. If the rotational…

A: The given data's are, Output power is 30 HP, Copper loss is 1.62 kW. Here the 1 HP=746 W, so the…

Q: s a current of 40A at 220V. If 800 W is dissipated in the form of heat in the motor, how much power…

A: A self-excited DC shunt motor, also known as a shunt wound DC motor, is a form of self-excited DC…

Q: 3. Write step-by-step working process of Fuel Cell using equations.

A: step by step working process of fuel cell using equations

Q: A 3,700-turn solenoid produces 677,000 Maxwell when excited by a current of 3.5 amps. Calculate (a)…

Q: An automotive alternator is rated 550 VA and 20 V. It delivers its rated voltamperes at a power…

A: Given data, The value of the Rate is 550 VA, The value of line voltage is 20V The given power factor…

Q: 2. A 3,500-turn solenoid produces 765,000 Maxwell when excited by a current of 3.4 amps. Calculate…

Q: Find the resistance and peak current in a 1000 W heater connected to a 220V-AC line.

Q: 1. Two properly connected wattmeters are used to measure the power drawn by a 440 V squirrel-cage…

A: As per the guidelines given, We can only provide the solution of the first question in multiple…

Q: J62 Q.3: For the magnetically coupled circuit shown, find the values of coupling coe fficient "k"…

A: Resistors, inductors and capacitors form an integral part of any electrical circuit. A source,…

Q: In a given DC motor, the output power is 30 HP, and the copper losses are 1.62 KW. If the rotational…

A: Converted power is the developed power in armature. Efficiency=out put powerinput power to motor…

Q: A meeting hall in an organization is to be provided with a lighting installation. The hall is 30 m…

Q: Example 8: A 230 V, 3 phase, star connected alternator gives on open circuit, e.m.f. of 230 V, for a…

A: Impedance=open circuited voltage at certain field currentAtmature current at same field current. Ef=…

Q: H.W If the mass of cylinder C is 40 kg, determine the mass of cylinder A in order to hold the…

A: Given: Mass of C=40 kg

Q: A fan rated at 4.45kW blows 250 cubic meter /min of air through a 750kW motor to carry away the…

A: Given: Inlet temperature = 22° C Fan rating = 4.45 kW Motor rating = 750 kW Outlet temperature = 31°…

Q: The fuel-cost curves for a two generators power system are given as follows: C (P1) = 600 + 15 · P,…

A: The solution can be achieved as follows.

Q: A DC motor rotating at 1800 RPM with 180 Volts and 48 Amp line current. The copper losses were…

Q: In a given DC motor, the output power is 45 HP, and the rotational losses are 2.005 KW. If the motor…

Q: Q1(a) Analyse the concept Skin Effect in AC and DC supply of power using Transmission lines and…

Q: The efficiency of a dc generator is 84%, if all losses amount to 1200W, calculate the BHp (in Hp).

A: GivenEfficiency=84%Total losses=1200 W

Q: A 125-volt d-c generator whose internal resistance is 0.15 ohm is connected through a 0.45 ohm line…

A: Fig:circuit diagram for given charging system apply KVL for loop 1…

Q: A 5.44 hp (horse power) motor with a 0.6 lagging power factor is connected to a 208 V, 60 Hz supply.…

A: Given: Motor power, P=5.44 hp Power factor, cosϕ=0.6 lagging Supply frequency, f=60 Hz

Q: Two-Wire DC Street Mains AB, 600m long, is fed from both ends at 220 V. Loads of 40 A, 80 A, 100 A…

Q: A single-phase energy meter having meter constant of 200 rev/kWh is operating on 230 V, 50 Hz supply…

A: Given: A single phase energy meter having, Meter constant, K=200 revkWh. Operating voltage, V=230 V.…

Q: Discuss the importance of electric motor in the field of Agricultural and Biosystems Engineering.

A: An electric motor is a machine that converts electrical power to mechanical power. Manufacturers…

Q: Straight-type DC generator feeding load 12kW at a voltage equal to 120V and an electric driving…

A: Given data straight type DC generator Terminal voltage V = 120 volt Driving force E = 170 volt…

Q: Q2: A: A hydro-electric station is operated with a mean head (h) of 30 m and consume (discharge…

A: In hydro electric power plant, the potential energy of water is used to generate electricity. It is…

Q: 24. Consider the circuit below, determine the voltages across AC, BC and the current flow through…

A: Given data, The value of supply voltage is V = 20 V. The resistance R4 and R5 are in parallel…

Q: 4 Pole's DC generator delivers a current of 100 A at 230 V. It has 1500 armature carriers attached…

Q: Q3/ A 50 kW, 200 V separately exited dc machine is operating at 1200 r/min with Ea is 90 V and RA is…

A: 50KW DC separately excited machine. Speed N= 1200rpm If the VT = 87 V And EA = 90V then find the…

Q: 2. A 3,500-turn solenoid produces 765,000 Maxwell when excited by a current of 3.4 amps. Calculate…

A: Given, A solenoid has, Number of turns, N = 3500 Magnetic flux = 765,000 Maxwell Current (I) = 3.4…

Q: Q26. The armature resistance of a permanent magnet d motor is 0.8 W. At no load, the motor draws 1.5…

Q: ou are working as an electrician in a large steel manufacturing plant, and you are in the generator.…

A: In the DC generator machine, there are two windings. the first winding is series winding which is in…

Q: Q.3: For the magnetically coupled circuit shown, find the values of coupling coefficient "k" when…

Q: A DC series generator delivers a load of 20 kW at 400 V. The armature and field resistances are 0.3…

Q: Example 2/ a shunt generator delivers 195 A at terminal voltage of 250 V The armature resistance and…

A: Note: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question…

Q: Which of the following devices converts mechanical energy into electrical energy? a. An…

A: An electric generator is used to convert mechanical energy into electrical energy.

Q: 12) A motor takes a current of 12 A when supplied from a 240 V a.c. supply. Assuming a power factor…

A: In this question we need to find a power consumed by a motor

Q: A 250 V, 10 kW, separately excited generated has an induced emf of 255 V at full load. If the brush…

Q: In a given DC motor, the output power is 30 HP, and the copper losses are 1.62 KW. If the rotational…

A: Output power = 30 HP copper losses are 1.62kw Rotational losses = 2236.5w

Q: In a given DC motor, the output power is 45 HP, and the copper losses are 2.005 KW. If the…

A: As per the guidelines of Bartleby we supposed to answer first question only for remaining questions…

Q: parallel motor fed from the source 220 volts rotating at 500rpm. When the product takes 20 amperes,…

Q: Q1: A shunt generator supplies 190 A at 220 V. Shunt field resistance = 32 Q. The copper losses =…

Q: AC resistance of conductors used in electrical machines which is operating with AC power supply is…

A: In the question, the given Statment "AC resistance of conductors used in electrical machines…

Concept explainers

DC Generator

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

Question

A shunt generator supplies 100 A. at 200 V. The armature and shunt
field resistances are 0.025Ω and 100Ω, respectively. If the copper
losses are equal to the iron losses at this load, find the brake
horsepower of the engine driving the generator.

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

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 hydro-electrie station is operated with a mean head (h) of 30 m and consume (discharge water) 218.75 * 10 6 m3 of water in one ycar for the average load. The expected load factor for the station is 80 %. Calculate the power in Kw for which the station should be designed (max.load). Assume that the mechanical efficiency of the turbine is 90% and the efficiency of the generator is 95%,
Three coils each having resistance 6  and inductance are connected in star with 415V. If the line current is 30 A: a) find the value of inductive reactance as well as inductance value? B) If θ = 45 then calculate the power dissipation in kW when it is connected in Delta.
An automotive alternator is rated 500 VA and20 V. It delivers its rated voltamperes at a powerfactor of 0.85. The resistance per phase is 0.05Ω , andthe field takes 2 A at 12 V. If the friction and windageloss is 25 W and the core loss is 30 W, calculate thepercent efficiency under rated conditions.
A 125-volt d-c generator whose internal resistance is 0.15 ohm is connected through a 0.45 ohm line resistor to charge two 90-volts storage batteries A and B in parallel. If the internal resistance of batteries A and B, respectively, 0.32 ohm and 0.4 ohm, what are the charging currents?
Q: Suppose that a fork lifter has a total energy consumption of 150 W.Hr. The total trips of the vehicle are 375. How the battery duty cycle may be calculated in this case?
1.Three coils each having resistance 6  and inductance are connected in star with 415V. If the line current is 30 A, find the value of inductive reactance as well as inductance value. If θ = 450 then calculate the power dissipation in kW when it is connected in Delta?
Q 03: Briefly discuss, how the energy consumptions for operations of a fork lifter could be justified. Suppose that a fork lifter has a total energy consumption of 150 W.Hr. The total trips of the vehicle are 375. How the battery duty cycle may be calculated in this case?
Three coils each having resistance 6  and inductance are connected in star with 415V. If the line current is 30 A, If θ = 45 then calculate the power dissipation in kW when it is connected in Delta?
A separately-excited generator, when running at 1000 rpm supplied 200 A at 125 V. Find the generated emf when thespeed drops to 800 rpm. Armature resistance = 0.04 ohms. Brushdrop of 2 V.
Find the resistance and peak current in a 1000 W heater connected to a 220V-AC line.
A high voltage transmission line conducts 1000 A starting at 700 kV for a distance of 160 km meters. If the resistance in the wire is 0.3 ohms/km, what is the power loss due to resistive losses? (M=10^(6))
Power transmission and distribution in the Philippines Draw and discuss the steps of power transmission and distribution from the power plant to the end-user (include the material used and rated power transmission. Discuss the advantages and disadvantages of single-phase and three-phase system. Discuss the “The War Current” between two inventors Nicolai Tesla and Thomas Edison. Who do you think was the better inventor?