A three phase, Y-connected, 220 V, 50Hz, 6-pole, inductionhas the following parameters referred to stator in Q2/ph:motor,R1=0.294, R2 =0.144, X1=0.503, X2=0.209, and Xm = 13.15The total friction and windage losses are 200 watts.Draw per phase equivalent circuit and calculate the following at a slip of 2"a- Stator current?b- Power factor?c- Output power?d- Output torquee- Efficency??

Step 1: Given slip s= 2%=0.02Step 2:Step 3:Step 4: Remember power stage of induction motor to solve…

Answered: A three phase, Y-connected, 220 V,…

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

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.4P

See similar textbooks

Similar questions

Describe the figures below and how each of figure below are working
A shunt DC generator has no load terminal voltage of 140V. Armature resistance is 1ohm and shunt field resistance is 50ohms. Calculate: (i) Induced voltage (ii) A load is now connected to the terminals that starts drawing 2A current and terminal voltage drops to 130V. Calculate the new value of the induced voltage Make sure to draw equivalent circuits for (i) and (ii)
The shunt field winding of a shunt generator has a resistance of 80 ohms at 20⁰C. After several hours of continuous operation, the winding temperature rises to 50⁰C. How much is the winding resistance under this condition, Assume the resistance temperature coefficient of copper to be 0.004 ohm per degree at 0⁰C.
(B) Select the correct answer for the alternatives given 1- A shunt generator supplies 445 A at 250 V. The resistances of shunt field and armature are 502 and 0.025 respectively. The voltage drop due to the armature resistance is a) 5V, b) 11.25V 2- No load current in a transformer c) 22.5V, d)25V a)-lags behind the voltage by about 75° c)--leads the voltage by about 75° b)-lags behind the voltage by about 15° c)-leads the voltage by about 15° 3-A 220V shunt motor develops a torque of 108 Nm at an armature current of 20 A. what is the developed torque when the armature current is 10 A? a) 81 Nm. b) 54 Nm. c) 216 N.m., d) 45 N.m 4- In transformer,the kVA at maximum efficiency is equal to full a) PL Peu b) [2 c) Peu Pl load kVA multiplied by P Peu 5-Which type of the transformers has parts of the winding is common to both the primary and secondary circuit? a) Power transformer c) Current transformer b) Auto-transformer. d) Matching transformer
Can you please answer Problem 49 to 51.
. A 20 kW compound generator works on full load with terminal voltage of 250 V. 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, the emf generated is nearest to. (Our subject is Electrical Machines 1 ) (I need a clear answer and solution. Thank you so much)
can you calculate the efficiency of the alternator
Please help me with these MCQ 1. stator windings are connected in _____ types 2. Circuit resistance is checked by connecting a(n) ______ to the positive battery terminal and the output, or battery terminal of the AC regenerator. 3. Slip rings and brushes A: Mount on the rotor shaft B: Conduct current to the rotor field coils C: Are insulated from each other and the rotor shaft D: All of the above
5. Calculate the flux per pole required on full-load for a 50 kW, 400 V, 8-pole, 600 r.p.m. d.c. shunt generator with 256 conductors arranged in a lap-connected winding. The armature winding resistances is 0.1 Ω, the shunt field resistance is 200 Ω and there is a brush contact voltage drop of 1 V at each brush on full-load. Subject Electrical Machine 1
Please solve 209V, three-phase, Six poles, Y-connected induction motor has the following parameter: R1=0.128 Ohm, R'2=0.0935 Ohm, Xeq=0.49 Ohm. the motor slip at full load is 2% and for a Fan-Type load, Calculate following below : I have the Final answers and I do need to step by step which the formula and solution. Please if you use handwriting to write clearly and big. Thanks, The final and correct answers are: Problem3 (Reducing supply voltage) a) motor speed: 1163.3 rpm, b) starting torque= 71.93 Nm, c)starting current=179.5A, efficiency= 93.04%
For 4 pole d.c machine armature winding with a double layer progressive simplex wave winding with 23 number of slots answer the following: a How many coils are present? b What is the coil span in terms of number of slots? c What is commutator pitch in terms of commutator segments? d How many coils are there between two consecutive commutator segments? e How many parallel paths are present?
For 6 polar D.C machine armature has 36 number of slots and the type of winding is a double layer simplex lap winding. a. How many coils are present? b. What is the coil span in terms of number of slots? c. If each coil has 4 turns, then what is the total number of armature conductors presents? d. How many parallel paths will be their in the armature? e. Altogether how many brushes will be their?

SEE MORE QUESTIONS

Recommended textbooks for you

Power System Analysis and Design (MindTap Course …

Electrical Engineering

ISBN:

9781305632134

Author:

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

Publisher:

Cengage Learning

Delmar's Standard Textbook Of Electricity

Electrical Engineering

ISBN:

9781337900348

Author:

Stephen L. Herman

Publisher:

Cengage Learning

Power System Analysis and Design (MindTap Course …

Electrical Engineering

ISBN:

9781305632134

Author:

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

Publisher:

Cengage Learning

Delmar's Standard Textbook Of Electricity

Electrical Engineering

ISBN:

9781337900348

Author:

Stephen L. Herman

Publisher:

Cengage Learning

SEE MORE TEXTBOOKS