A Four pole, 50kW, 250 Volt Long Shunt DC Machine Generator has a shunt field current of 1.5 A. It is Lap-winded with 872 conductors, and a rated speed of 1200 RPM. Where, Ra = 100 mohms, and Rse = 0.05 ohms. Solve for the following: Armature Current Generate EMF Total Flux per pole

A Four pole, 50kW, 250 Volt Long Shunt DC Machine Generator has a shunt field current of 1.5 A. It is Lap-winded with 872 conductors, and a rated speed of 1200 RPM. Where, Ra = 100 mohms, and Rse = 0.05 ohms. Solve for the following: Armature Current Generate EMF Total Flux per pole

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter11: Transient Stability

Section: Chapter Questions

Problem 11.3P

See similar textbooks

Related questions

Q: Q1/Fill in the following blanks and explain the solution steps in d 2-Approximately in a pure…

A: There are two types of charge carriers in a semiconductor these are holes and electrons whereas in a…

Q: Determine the approximate value of source voltage (Vs) of the given circuit below. VDD 1MQ 20V 1.8kQ…

Q: nd currents for the transistor bias circuit and d values.

A: As per protocol, allowed to answer first part and post the remaining in the next submission.

Q: Consider three electrical loads of equal resistance 30 Ohms connected in parallel to an electrical…

Q: The 6v zener diode shown in fig below has zero zener resistance and a knee current of 5 mA passing…

Q: For a nonlinear amplifier and the following parameter, determine: a) Input SNR(dB) b) Output SNR(dB)…

Q: A 30, 45 kV is supplied to converter which is used in a HVDC transmission system. Each thyristor has…

A: Given data is shown below. Vf=45kVVbm=1740V△ID=42.5mAη=77%=0.77

Q: In the given circuit below, determine the total resistance. 24V A) 1.60 ohms B) 2.06 ohms 3.23 ohms…

Q: Draw the equivalent circuit model and switching characteristics of the device which is having…

A: Introduction - IGBT is a stands for insulated-gate bipolar transistor. It is a power transistor…

Q: Q2] The efficiency of a 6600/384V, 200kVA, 1-phase transformer is 97.5% at full load 0.8 power…

Q: Lightbulb A was found out to give 30.0W of power, producing the same brightness as lightbulb B…

A: Given,For lightbulb A-Power, PA=30 WLifetime, TA=9000 hoursCost, CA=229.0 phpFor lightbulb B-Power,…

Q: need the answer quickly

A: MOV SL, DL The data happens between the registers . Hence it is an register addressing mode.

Q: What is the voltage drop across the 5 ohm resistance in the given circuit below? 202 4 Ω

Q: If the alternator winding has a fractional pitch of 4/5, the pitch factor kp is?

Q: The output signal from a DSBFC AM modulator is u(t) = 5 cos 1800nt + 20 cos 2000nt + 5 cos 2200nt.…

Q: (1) Choose an appropriate set of the state variables, and label them on the circuit. State variable=…

Q: Using Kirchoff's Laws, what is the current flowing at R₁? E1-12 V A) 2 amps B) 4 amps C) 6 amps D) 8…

A: given circuit.

Q: Knowing that the open loop transfer function is vā (s) 1 s²+9s +21 And the closed loop block diagram…

Q: 1) Find V, in the circuit below www ww 4 ΚΩ 4 ΚΩ συν+ 2 mA 2 ΚΩ 4 mA • 2 ΚΩ Vo

Q: In the given circuit below, what is the current at 8 ohms. =24V 802 www www 12 2

Q: 4. A 3 phase,50Hz ,8 pole induction motor has a full load slip of 4%. The rotor resistance is…

A: It is given that: P=8f=50HzSfl=0.04r=0.001ΩphX=0.005Ωph

Q: How can you improve the spectrum resolution?

A: Given We need to enumerate how can we improve spectral resolution. Please find the below…

Q: What is the electric current that passes the 3 ohm resistance in the given circuit below? 202 402 m…

Q: 2.1 Given a linear difference equation as shown below, find the output y(n) for 0 ≤ n ≤5, using the…

Q: A 150-nC point charge is located at A(3, 1, -1) in free space. a. Find the locus of all points P(x,…

A: Given data is A3,1,-1 at 150nC a. Locus point P(x,y,z) Ex=500V/m Electric field at point P(x, y,…

Q: Subject:Electronics Engineering What is the main constructional difference between D-type and…

A: MOSFET: It stands for Metal oxide semiconductor field effect transistor. It is used as a voltage…

Q: 3. What are the differences between DFT and IDFT? 4. What are the differences between DFT and DTFT?

Q: istance of (0.189 ) .It is conne and at a particular load runs at

A: The Given is Series field resistance Rse=0.301Ω Armature resistance Ra=0.189Ω Supply voltage V=220v…

Q: 1- For the network of Fig. 16.40: a. Find the total impedance ZT. b. Determine the current I,. c.…

A: The required parameters can be calculated by reducing the parallel and series connected elements and…

Q: Crystal radio receiver Please explain how this circuit works

A: NOTE- According to the policy, we can answer only one question, please post other question as…

Q: 1- The efficiency of a 6600/384V, 200kVA, 1-phase transformer is 98% at full load 0.2 power factor…

Q: a circuit armature of a 4 pole generator has 51 slots , each slot containing 20 conductors . What…

A: The emf induced in the generator is given by the expression as shown below: E=PϕNZ60A If the winding…

Q: R₁ L₂ R₂ + с 100- Figure 3 L₁ Vo

Q: The plates of a capacitor are of conical shapes and are defined by the surfaces 0 = 27° and 9 = 66°.…

A: The Given data is The Surface of the conical shapes is ϕ1=27°; ϕ2=66° The Height of the both…

Q: Example2/ Draw the vand is as a function of time when the switch on at t=0 ww R3 S2 Vs Ro Rr=00 ✓ -E

A: In this question we need to draw the voltage Vs and current is as a function of time.

Q: 3. Find Thevenin's equivalent circuit for the circuit shown below b www RL 100 V +₁|||||| 12 ww

Q: For a BJT, Ic=5 mA, Ig = 50 μA and ICBO = 0.5 μA, then the value of ß is?

Q: finery can Classify as closed syste sed system have a similar meaning. pletion of a component in a…

A: To explain true or false as,

Q: gure 1 illustrates a BJT amplifier with voltage gain of -115. a) Identify the capacitors in Figure…

A: BJT as Amplifier : The three fundamental BJT amplifier designs are known as common emitter,…

Q: 1. A source voltage of an AC series RLC circuit is 120 V. The circuit consists of the ff.…

A: 1. A source voltage of an AC series RLC circuit is : Vs=120 VoltR=20 ΩXL=40 Ω so, ZL=jXL=j40…

Q: In the balanced three phase power measurement using two wattmeter method, each wattmeter reads 16…

Q: Draw the equivalent circuit model and switching characteristics of MOSFET

A: Solution is given below

Q: A solenoid of length 8 cm has 130 turns of radius 5 cm. a) Ignoring end effects, what is its…

A: Given A solenoid of length 8 cm and 130 turns and 5 cm radius. We need to determine the self…

Q: In Industry, three Inductive loads, each of resistance R = 22 ohms and inductance L = 0.07 H in…

Q: Determine the approximate value of lp of Figure 56. 18 V Ip • 750 ΚΩ '91 ΚΩ Vas 2 ΚΩ OV 9V Pos loss…

A: Given circuit is shown below. We know that ID=IDSS1-VGSVP2

Q: Draw the equivalent circuit of long transmission line and derive the equations of sending end…

A: Types of Transmission line Long Transmission line Medium Transmission line Short Transmission…

Q: Section 2.2 Zener Diode Circuits 2.19 Consider the circuit shown in Figure P2.19. The Zener diode…

A: Given: Zener voltage, Vz=3.9V,internal zener resistance, rz=0

Q: A three way intersection is in need of a traffic signal control system and you have been assigned…

A: The traffic light, as everyone knows, is a crucial guarantee for keeping traffic order and ensuring…

Q: Q1: A closed loop system used to track the sun to obtain the maximum power from a photovoltage…

Q: Q3: A 20-KVA transformer has a maximum efficiency of 98 percent when delivering three- fourth…

Question

100%

Armature Current
Generate EMF
Total Flux per pole

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 3

VIEW

Step by step

Solved in 3 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Follow-up Questions

Read through expert solutions to related follow-up questions below.

Follow-up Question

A Four pole, 50kW, 250 Volt Long Shunt DC Machine Generator has a shunt field current of 1.5 A. It is Lap-winded with 872 conductors, and a rated speed of 1200 RPM. Solve for the following:

Mechanical, Electrical and Commercial Efficiency when the Stray Loss is 1600 W
Total Copper Loss

Solution

by Bartleby Expert

SEE SOLUTION

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 long-shunt, four pole, 1500-W, 250-V, duplex wave-wound DC compound generator with the rated speed of 500 r.p.m., has a shunt field resistance of 100 Ω, a series field resistance of 0.05 Ω and an armature resistance of 0.2 Ω. If the flux per pole is 48.798 mWb and a total of 620 conductors, calculate the following: (a) the generated voltage, (b) the field currents, (c) the power generated in the armature.
The output of a shunt generator is 66 A at 100 volts. Armature and field resistances are, respectively, 0.04 ohm and 25 ohms. If the efficiency at this load is 88%, determine the core and friction losses
- A separately excited 4 - pole, 900 rpm wave wound dc generator has an induced emf of 240V at rated speed and rated field current. When connected to a load, the terminal voltage is observed to be 200V. If the armature resistance is 0.2 Ω and the flux per pole is 10 m Wb, compute the armature current and the number of conductors
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 150 kW, 250-volt compound DC generator has its field windings which are connected in long shunt. If the shunt-field winding resistance is 20 ohms, what is the current in the series-field winding? (Note that the series field resistance is connected in series with the armature.)
Of a shunt excited DC generator, Excitation winding internal resistance Rf = 2.5 Ω Armature winding internal resistance Ra = 0.5 Ω A rheostat has been placed in the excitation circuit to keep the machine's end voltage constant at Va = 30 V. Machine Voltage magnetization induced in the armature while operating at n = 1400 rpm at If = 7 A excitation current It is determined as Ea = 30 V from its characteristic. According to this, a) With peak voltage Va = 30 V, excitation current If = 7 A, power supplied to the load when the speed n = 1400 rpm What is the resistance of the rheostat? b) Spindle revolutions are reduced to n = 1000 rpm. In this case Va = 30 V and Ea = 37 V constant What value should the rheostat be adjusted to keep it? Calculate the power given to the load in this new case.
A 4 pole ,d.c. shunt generator with a shunt field resistance of 50 ohm ,and armature resistance of 1 ohm ,has 400 lap connected conductors in its armature .the flux per pole is 20 mWb, calculate the power absorbed by a load of 10 ohm connected across the armature terminals ,when the generator is driven at 900 r.p.m.
A 4-pole lap -wound dc generator is designed to have an average airgap flux density of 0 .8 T. The armature winding resistance is 0 .3 Ω, and the brush contact drop is 1 V. There is a slight fault in the magnetic circuit which causes the emfs in two of the paths to be 5 %more than the nominal value, and the emfs in the other two paths 5 %less . a) If the generator supplies a full load of 4 .5 kw at 150 V, find the nominaland actual values of path emfs, coil currents, and armature copper loss. b) Find the nominal and actual values of coil currents and armature copperloss when the generator has no external load.
A 20KW, 440V, short shunt compound dc generator has full load efficiency of 87%. If the resistance of the armature and interpoles is 0.4ohm and that of the series and shunt fields 0.25ohm and 240ohms respectively, calculate the combined bearing friction, windage and core loss of the machine A 10 kW 250 volts self-excited generator, when delivering rated load, has an armature-circuit voltage drop of 5% of the terminal voltage and a shunt field current equal to 5% of the rated load current. The resistance of the armature is 0.02 ohm. Calculate the voltage generated and power output.
A long shunt compound generator delivers 100 A at 250 V. The armature, shunt field and series field resistances are 0.02 Ohms, 50 Ohms and 0.05 Ohms respectively. If the Break Horse Power (BHP) or the power developed by the shaft torque of the driving engine is 40, determine the stray loss.
Q/ dc shunt generator 4 pole with 500 condcutor , wave running at speed 1000 r.p.m the resistance of armature and field are 0.02 , 55 ohm and delivering load 43.12kwatt at terminal voltage 220 volt, the iron losses is 750 watt 1-Torque developed by the prime mover .........and The torque developed by the armature ........... when running at 1000 r.p.m * 2-The load current ,,,,,,,,,,,,when the speed drops to 800 r.p.m. if If is unchanged ? * 3-Output of the prime motor…….kwatt * 4-Mechanical , electrical and overall efficiency …….. * 5-Flux per pole is......... wb *
A separately excited DC shunt generator produces a no-load voltage of 150 Vdc at 1200 RPM. If the armature resistance is 3 Ohms, calculate the output voltage under the following conditions: (Note all calculations for each problem are to be performed from the base values given above). a) The speed is reduced to 875 RPM. Vout = __________________ b) The field current is increased by 22% (assume a linear field current/flux relationship). Vout = __________________ c) The speed is increased to 1738 RPM Vout = __________________ d) The field current is reduced by 12% and the speed is increased to 1600 RPM Vout = _________________