each pole of a 100kw, 250v flat-compound generator has a shunt field of 2000 turns and a series field of 7 turns. if total field resistance is 100ohms find mmf when machine is at no load and full load?

each pole of a 100kw, 250v flat-compound generator has a shunt field of 2000 turns and a series field of 7 turns. if total field resistance is 100ohms find mmf when machine is at no load and full load?

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter32: Three-phase Motors

Section: Chapter Questions

Problem 6RQ: Name three factors that determine the torque produced by an induction motor.

See similar textbooks

Related questions

Q: 8. What conditions must be fulfilled for the self-excitation of a d.c. shunt generator ? The…

Q: A 4-pole, wave-wound, 750 rpm shunt generator has field resistances of 0.4 ohm and 200 ohms,…

A: The solution is given below

Q: What is the equivalent load resistance under this condition if a shunt generator has a no-load…

A: Load resistance = terminal voltage/load current. Load voltage = load current ×loaf resistance.

Q: 3. Sketch the load characteristic of a d.c. generator with (i) shunt (ii) series excitation. Give…

Q: 04 2 respectively. The load current is 100 A at 120 V. Find the induced e.m.f. and the armature…

A: SOLUTION- a) Long shunt load voltage V = 120 Vload current IL = 100 A Ra = 0.062 ohmRse =…

Q: Some measurements of a shunt generator are given in the table below. Fill in the blanks in the table…

A: Given shunt generator measurement as shown

Q: 1. A short-shunt compound generator delivers a load current of 30 A at 220 v and has armature,…

Q: ) Name the component in the generator which produces unidirectional current. i)Draw the experimental…

A: The shunt generator delivers 160A (IL) at a terminal voltage of 230V (Vt). The shunt field current…

Q: At standstill, the impedances of the inner and outer cages of an induction motor are Z, = 0.02 + j2…

A: The impedance of the inner cage at the slip s is given as, Zi=0.02+j2 ΩZI=0.02s2+22 The impedance…

Q: (b) A three-phase, four-pole, 415-V, 50-Hz induction generator rated at 15-hp, is driven by a…

A: we will find the impedance seen from the source from the given equivalent circuit parameters . Then…

Q: Answer two sections in the problem below. A parallel generator equips a load of 500 amperes and with…

A: Given: Parallel generator or Shunt generator equips a Load of 500 A.Terminal voltages of 240…

Q: A d.c. series generator has armature resistance of 0.5 ohms and series field resistance of 0.03 ohm.…

A: A DC machine is classified in two types. DC motors DC generators Above question is based on DC…

Q: A d.c.series generator has armature resistance of 0.5 Q and series field resistance of 0.032.It…

Q: A 220V series generator has an armature resistance of 0.4ohms. If the generated emf is 230V and the…

Q: A 50kW, 200V, long-shunt compound generator has a shunt field resistance of 200ohms, what will be…

Q: A 10 KW full load output power of shunt generator having an armature circuit resistance of 0.75 Q…

A: In this question we need to find a efficiency of generator.

Q: 3. A long-shunt compound generator delivers a load current of 50 A at 500 V and has armature, series…

Q: A 10 KW full load output power of shunt generator having an armature circuit resistance of 0.75 Q…

A: given shunt generator

Q: in a 120 v compound generator , the resistance of armature , and shunt ,series winding are 0.06…

A: (i) Long shunt Let the load current, armature current and field current be il, ia, if respectively…

Q: A short-shunt compound generator supplies a load of 10kW at 200V through a pair of feeder resistance…

A: It is given that: Output Power=Pout=10 KW=10000 WFeeder Resistance=Rf=0.10 ΩArmature…

Q: A 220V series generator has an armature resistance of 0.04Ω. If the generated emf is 230V and the…

Q: In a 110 V compound generator, the resistance of armature, shunt and series field winding are 0.06…

A: Given data : Rating of each lamp 55 W at 110 V Supply voltage Vdc=110V Resistance of armature, shunt…

Q: d. How much shaft torque must be applied by the prime mover at the full load? how large is the…

A: Given values are -

Q: A long shunt generator delivers 50 A at 500 V at full load. The shunt field, armature and series…

A: Solution: A long shunt generator ; V = 500, current IL=50 A, shunt resistance Rsh=400Ω, armature…

Q: QI \ A d.c series generator has armature resistance of 0.5 n, and series field resistance of 0.032…

A: hello since you have posted multiple questions and net to specified which question to solve we will…

Q: A 10kW,250V d.c.,6-pole shunt generator runs at 1000 r.p.m. when delivering full-load. The armature…

Q: A 4-pole short shunt compound generator has armature, series-field and shunt-field resistance of 1…

A: Given short shunt compound generator P=4ra=1ΩRse=0.5ΩRsh=100ΩPout=4KWVt=200 vVb=1 v

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

A: Given:-IL= 50 AV= 500 VRa=0.05 ΩRs = 0.3 ΩRSh = 250 ΩVD= 1 V

Q: A 250-V, 50-kW shunt generator has 1000 turns on each pole of its field winding. On no load a…

Q: 1-A 4 pole shunt generator with wave-wound armature has 41 slots, each having 12 conductors. The…

Q: A 50-MVA, 30-kV, three-phase synchronous generator has a synchronous reactance of 8 Ohms/phase and…

A: According to the question we need to calculate the value of excitation per phase and power angle.

Q: A 50 kW, 250 V compound generator has the following data: Ra = 0.06 Ω, Rfs = 0.04 Ω, and Rfh = 125…

A: A DC machine is classified in two types DC motors DC generators Above question is based on DC…

Q: Quèstion 4 A 10 KW full load output power of shunt generator having an armature circuit resistance…

A: In this question, Find the efficiency of the DC generator Efficiency= output power/ input power ×…

Q: A long-shunt d.c. compound generator supplies 100A at 190V. The resistance of armature, series field…

A: Given: I =100 V=190v Ra= 0.02 Rse=0.06 Rsh=85

Q: 8. What conditions must be fulfilled for the self-excitation of a d.c. shunt generator? The…

A: field coil resistance = 55 ohm speed of the shunt excited dc machine = 1200 rev/min

Q: A 2300-V 1000-kVA 0.8-PF-lagging 60-Hz two-pole Y-connected synchronous generator has asynchronous…

Q: A 65 MVA, 32-KV, 0.85-PF-lagging, 50-Hz, 4-pole, Y-connected, 3-phase, steam-turbine generator has a…

A: In this question , we will find induced voltage..

Q: A 10-kW, 120-V DC series generator has anarmature resistance of 0.1Ω and a series fieldresistance…

A: Given: RS =0.05Ω,Ra =0.1Ω.

Q: - A four-pole DC shunt generator with lap connected armature has field and armature resistance of 50…

A: Given values, Shunt resistance Rsh= 50 ohm Armature resistance Ra= 0.1 ohm Supply voltage to the…

Q: B Q- A short a shunt d.e compound generator supplies- 200 A at 94V. The resistance of armature,…

A: Since you have asked multiple questions in a single request, we will be answering only the 1st…

Q: 1-A 4 pole shunt generator with wave-wound armature has 41 slots, each having 12 conductors. The…

Q: 2. The field circuit of a 200,000 watt, 230-V shunt generator is 6 A when running full load at rated…

Q: The rotor winding current for a four-pole synchronous ac generator with a distributed rotor winding…

Q: 7. A long - shunt compound generator delivers a load current of 50A at 500V and has armature, series…

A: The solution is given below

Q: A 480 V, 60 Hz ,Delta Connected, Four Poles Synchronous Generator has A Direct Axis Reactance of 0.1…

Q: 4. A 500-V, wave-wound, 750 r.p.m. shunt generator supplies a load of 195 A. The armature has 720…

Q: A d.c. series generator supplies the load of 5 kW at 250 volts. The armature resistance and series…

A: Solution: Given data ; d.c. series generator ; output =5 KW , V =250 V, armature resistance Ra=1 Ω,…

Q: Answer all subparts for thumbs up A 15 - kW, 320-V DC generators has armature, series and shunt…

A: Given P=15 kw V=320 v Armature resistance(ra)=0.0256 Ωseries Resistance(rs)=0.0946 ΩShunt…

Q: Calculate the demagnetising amp-turns of a 4-pole, lap-wound generator with 720 turns, giving (250…

Concept explainers

Three Phase Induction Motor

The induction motor is an electric motor that runs on AC (alternating current) and it is of two type single phase motor that work on single-phase power supply and three-phase motor that work on three-phase power supply.

Question

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

Step 2

Step 3

Step 4

Step 5

Trending now

This is a popular solution!

Step by step

Solved in 5 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

Name three factors that determine the torque produced by an induction motor.
A compound generator has an efficiency of 87% at 200V, 10kW rated output. If the series field resistance of 0.03 ohm, armature resistance of 0.05 ohm and shunt field resistance is 50 ohms. Find the efliciency at half load.
A seperately excited dc generator has the following data: armature resistance , 0.06 Ω; field resistance, 112 Ω, total core and mechanical losses, 966 W; votlage across the field , 230V. The generator supplies a load at a terminal voltage of 230V. Calcaulte the armature current at which the generator has a maximum efficiency.
A 50kW, 200V, long-shunt compound generator has a shunt field resistance of 200ohms, what will be the shunt field current (in amp)?
Problem: The field current of a 100-kW, 250V shunt generator is 5A when delivering power at rated terminal voltage and rated load current. The combined armature and brush resistance is 0.1 ohm. 1.)Calculate the generated power in kW. 2.)What is the electrical efficiency? * Formatt: given required solution answer
A shunt generator has a no-load terminal voltage of 270 and a voltage of 245 when it delivers 180 amp. Assume a straight-line characteristic and determine the following: the voltage when the current is 120 amp and What is the equivalent load resistance under this condition?
A short-shunt compound generator delivers a load current of 30 A at220 V and has armature, series-field and shunt-field resistances of 0.04Ω, 0.20 Ω and 100 Ω respectively. Calculate the generated emf and thearmature current. Allow 1.0 V per brush contact drop.
Q2:- a long-shunt compound generator, the terminal voltage is 220 V when generator delivers 140 A. Find (a) e.m.f. (b) total power In the generated and (c) power of each Resistance . Given that shunt field, series field, diverter and armature resistance are 120 Q, 0.022 Q, 0.045 Q and 0.032 Q respectively.
In a 110 V compound generator, the resistance of armature, shunt and series field winding are 0.06 Ω, 25 Ω and 0.04 Ω respectively. The load consists of 100 lamps, each rated as 55 W at 110 V. Find the total electromotive force and armature current when the machine is connected as (i) long shunt and (ii) short shunt.
A long-shunt compound generator delivers a load current of 50 A at 400 V and has armature, series field and shunt field resistances of 0.05 Ω, 0.03 Ω and 225 Ω respectively. Calculate the generated voltage and the armature current. Allow 1 V per brush for contact drop.
A short-shunt connected compound DC generator delivers 219 A to a load at 250 V. Its shunt-field resistance is 26.8Ω, its shunt-field rheostat resistance is 6.2Ω, its series-field resistance is 0.042Ω, and its armature resistance is 0.096Ω. Find the copper losses in ... A) the shunt-field winding, a) 382.5 W b) 1653.4 W c) 2014.36 W d) none of the above B) the shunt-field rheostat, a)382.5W, b)2014.36, c)4940.25W, d) none C) the series field, a)382.5W, b)1653.4W, c)2014.36, d) none D) the armature winding, a) 382.5W, b)2014.36W, c)4940.25W, d) none
A short-shunt compound generator supplies a load of 10kW at 200V through a pair of feeder resistance 0.10, armature resistance is 0.010 and the shunt field resistance is 52.50 and the series field resistance is 0.102. If the SPL amounts to 631W, determine d) Electrical η ( 87.96% ) e) Commercial η. (83.33%)