Two shunt generators with an armature resistance and field resistance of 0.022 and 402, respectively, runs in parallel and supply a load of 4500 Amperes. The emf's are 215 volts and 230 volts. Calculate the bus bar voltage of each machine. a. 90V b. 445V c. 222.50V d. 177.323V

Two shunt generators with an armature resistance and field resistance of 0.022 and 402, respectively, runs in parallel and supply a load of 4500 Amperes. The emf's are 215 volts and 230 volts. Calculate the bus bar voltage of each machine. a. 90V b. 445V c. 222.50V d. 177.323V

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Related questions

Q: The following information is given for a 300kW, 600V, long shunt compound DC generat or, shunt field…

A: Drawing the circuit for the given case:

Q: Q2)two shunt generators running in parallel supply a total load current of ( 4000 A ) .Each…

A: We will apply nodal analysis at node than we will find terminal voltage. Using ohms law we will find…

Q: A 200V long-shunt generator delivers 100A, has an armature resistance of 0.05Ω, a series field…

Q: Q2: A 35-kW, generator is paralleled with a 68 kW, generator. The voltage rating of both machine is…

Q: Two dc generators are connected to a common load. Generator 1 has armature emf of 250 V and armature…

A: Given, Two DC generator are connected to a common load, Generator 1 has, EMF, E1=250 V Armature…

Q: In a 110 volts compound de generator, their resistance of the armature, shunt, and series field…

Q: LA 25 KW, 250V, dc shunt generator has armature and field resistance of 0.060 and 100 Q…

Q: Three de shunt generators in parallel running each having an armature resistance of 0.2ohms. running…

A: Given: Three generators are connected in parallel having: Each armature resistance, Ra=0.2 Ω Total…

Q: -) Total Armature Winding resistance of 200kW, 380V self-excitation shunt generator is 0.07 Ω and…

A: DC Generator: DC Generator is an electromechanical device which converts mechanical energy to…

Q: Discussion: 1- Calculate the machine paramcters that is can be obtained from No-Load test. 2- Which…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: 22 The DC voltage is generated in the Armature winding of DC Generator. Select one: True False

A: DC generator is an electrical machine which will generate DC power. This DC power can be used by all…

Q: 4- A 240V d.c series generator has an armature resistance of 0.1 Ώ and shunt field resistance of 10…

A: Given: A 240V d.c series generator has Armature resistance, Ra=0.1 ΩField resistance, Rf=10…

Q: Discussion:- 1. What do you understand by "armature- reaction"? Discuss the effect of armature…

A: Solve the first question, unless the student has asked for a specific question to be solved, subject…

Q: The Hopkinson's test on two shunt machines gave the following results for full load : Line voltage…

Q: Example 7. The following information is given for a 300-kW, 600-V, long-shunt compound generator :…

A: The solution can be achieved as follows.

Q: A long-shunt, compound generator delivers a load current of 50 A at 500 V and the resistances of…

Q: Increasing the length of the air gap of DC machine reduces the Armature reaction effect. Select…

A: In this question, we will see effect of length of air gap on armature reaction...

Q: Q3 Shunt d.c. generator with armature and shunt field resistance of 0.5, and 250 N respectively gave…

A: Firstly the induced emf is to be evaluated for the given data such that the points (induced emf,…

Q: 2. A d.c. shunt generator gave the following open-circuit characteristic when driven at 750 r.p.m.…

A: As per our policy we can provide solution of first three questions only As we have given: The OCC of…

Q: Q5. Two shunt generators operate in parallel to supply a total load current of 200A. Each machine…

A: Two shunt generators are operating in parallel to supply a total load current of 200A. The circuit…

Q: 2. A d.c. shunt generator gave the following open-circuit characteristic when driven at 750 r.p.m.…

A: (i)105 V (ii)84 ohms

Q: Two identical 2000 kw alternator operates in parallel. The governor of the first machine is such…

A: Given that

Q: A synchronous machine has a synchronous reactance of 1 ohms per phase and an armature resistance of…

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

Q: A 240V shunt motor, running on no-load and at normal speed, takes an armature current of 2.4 A from…

Q: a shunt generator delivers a 195A at a terminal voltage of 250V. the armature resistance and shunt…

A: Given:-Vt=250VIL=195APF+W=950WRa=0.02ohmRsh=50ohm

Q: a. The back-EMF generated by a DC motor is greatest when the motor is a) standing still b) running…

A: Back EMF of DC motor is directly proportional to the speed of the motor. Losses is occurs in field…

Q: 2. A d.c. shunt generator gave the following open-circuit characteristic when driven at 750 r.p.m.…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: Q2: Correct the wrong statement if any: 1-The series filed of a series dc generator is excited by…

A: All the questions are from DC machines and Transformers. DC generator- used to convert mechanical…

Q: B)A 230V DC shunt machine has an armature resistance of 0.250. If the full load armature current is…

Q: Q2: Correct the wrong statement if any: 1-The series filed of a series de generator is excited by…

A: In this question we going to check the wrong statement .

Q: 8. The armature and shunt field resistance of a 50-kW, 220 V shunt generator is 0.026 ohm and 52…

Q: A 250 V, compound generator has armature, series field and shunt felid resistance of 0.4 Q, 0.2 N…

Q: A 220 V dc machine has an armature resistance of 1ohm if the full load current is 20 A, the…

A: Armature induced EMF=Terminal voltage ± drop in armature resistance drop in armature…

Q: The following information is given for a 300 kw, 600 V long shunt compound generator. Shunt field…

Q: It has been determined by test that thesynchronous reactance Xs and armature resistance raof a…

A: Given: The Synchronous reactance, Xs=j8Ω The Armature resistance, Rs=0.1Ω The Line to line voltage,…

Q: d the brake horsepower of the

Q: A 110V shunt generator has a full load current of 100A, shunt field resistance of 55 ohms and…

Q: Two shunt generators with an armature resistance and field resistance of 0.022 and 402,…

A: The solution can be achieved as follows.

Q: Q The field and armature resistance of a four-pole shunt generator with Lap -connected armature is…

A: Given Data: Number of pole = P = Number of parallel path A = 4 P = 2400 W V = 100 V Rsh = 50 ohm Ra…

Q: ne param is cân be obtair 2- Which loss in the machine is significant in no load test and why 3- For…

A: The main objectives of the no-load test are: To find shunt branch parameters of equivalent…

Q: A shunt generator supplies a 33kW load at 225V through cables of resistance, R = 100mΩ. If the…

Q: A 25-kW shunt generator is delivering full output to 400-V bus-bars and is driven at 950 r.p.m. by…

A: (6) Given terminal voltage(V) =400V. load power P = 25KW Fuel 1000/ speed (N1)…

Q: hunt generator delivers 195 A at a terminal voltage of 250V. The armature resistance and the shunt…

A: Efficiency is output to input ratio Here we have mechanical input= electrical induced power + mech…

Q: Q) in a (120 V) compound gnerator, the 1esistance of the armature, shunt and series windings we…

A: Armature current =load current +shunt field current. Depending upon the connection we will draw the…

Q: An A 20kW DC shunt generator having an armature circuit resistance of 0.8Ω and a field resistance of…

Q: separately excited generator has no-load voltage of 125V. A certain load rated at 1200W, 120V is…

Q: 14. For an ideal gearing system, with N1 and N2 are the numbers of the teeth in the gear wheels the…

A: Given Ideal gearing system Number of teeth in mechanical load is N1=40Number of teeth in motor side…

Q: .) A 25-kW shunt generator is delivering full output to 400-V bus-bars and is driven at 950 r.p.m.…

A: In this question, find the speed uf machine act as motor? A 25-kW shunt generator is delivering…

Concept explainers

DC Generator

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

Question

Two shunt generators with an armature resistance and field resistance of 0.022 and 402,
respectively, runs in parallel and supply a load of 4500 Amperes. The emf's are 215 volts
and 230 volts. Calculate the bus bar voltage of each machine.
a. 90V
b. 445V
c. 222.50V
d. 177.323V

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 1 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 shunt generator supplies a 31kW load at 230V through cables of resistance, R = 122mΩ. If the field winding resistance, Rf =50Ω and the armature resistance, Ra =51mΩ. Determine the following below: The terminal voltage is, Answer and unit for part 1 The e.m.f. generated in the armature is,
22 The DC voltage is generated in the Armature winding of DC Generator. Select one: True False
A 20 kW COMPOUND GENERATOR WORKS ON FULL LOAD WITH TERMINAL VOLTAGE OF 250V. THE ARMATURE, SERIES AND SHUNT WINDINGS HAVE RESISTANCES OF 0.05 OHM, 0.025 OHM, AND 100 OHMS, RESPECTIVELY. IF THE MACHINE IS CONNECTED SHORT SHUNT, FIND THE EMF GENERATED.
The armature winding resistance of a long shunt connected DC generator is 0.4ohm, the resistances of the shunt and serial field windings are 125 ohms and 0.1 ohms, respectively. While the generator supplies 8KW of power to the load it feeds, which is the voltage it produces since the output voltage is 250V?
A d.c. shunt machine has armature and field resistances of 0.025 Ω and 80 Ω respectively. When connected to constant 400-V bus-bars and driven as a generator at 450 r.p.m., it delivers 120 kW. Calculate its speed when running as a motor and absorbing 120 kW from the same bus-bars
A Y- connected, 10-KVA, 230- has a field winding resistance of 4.59. At an operation of 0.85 lagging power factor, the excitation current is recorded at 10A. the core loss is 300W, and the mechanical loss is 200W. If the corresponding efficiency is 84.9%. calculate the per- phase armature winding resistance.
A 25kW, 250V DC shunt generator has armature and field resistances of 0.06 ohm and 100 ohm respectively. Determine the total armature power developed when working (i) as a generator delivering 25kW output and (ii) as a motor taking 25kW.
A separately excited generator has no-load voltage of 125V. A certain load rated at 1200W, 120V is then connected at the terminal. Calculate the series resistance needed to connect to the armature circuit in order for the load to operate at rated condition if the armature resistance is 0.0692Ω.
An 8-Pole, simplex lap wound, shunt generator has 800conductors and a flux per pole of 0.025Wb and running at 1200rpm. The armature and shunt field resistances are 0.25Ω and 120Ω respectively. If the armature voltage drop is equal to 10V, what is the load current (in Amp)? use two decimal places if the answer is not exact and do not include the unit anymore.
A long shunt compound dc generator delivers a load current of 69 A at 396 V and has armature, series field and shunt field resistances of 0.096 Ω, 0.014 Ω, and 259 Ω, respectively. Calculate the armature current in ampere.
Draw DC. Shunt generator which gives a full load output (30 K Watt) at the main voltage source of 200 voltage. In addition, gives the armature and shunt field resistors (0.05Ω and 50Ω), having 1000 watt iron and fractional losses. Calculate the Electro Magnetic field (EMF), Efficiency and Copper Loss.
A long shunt compound DC generator delivers a load current of 150A at 230V and has armature, series field and shunt field resistances of 0.032, 0.015 and 92Ωrespectively. Calculate (i) induced emf (ii) total power generated and (iii) distribution of this power (iv) voltage regulation