please not use any ai Q1) We have a separately excited dc machine with V-50, -25, -10, -2, -1, 6-0.1, J-0.5, 8-0.6which is connected to a load with J-0.5 and B-0.4. If we connect 100 volts to the armature, what is thedynamical response of the system in time domain?

Step 1: Given DataField Parameters (given but not needed for dynamics):Vf=50V, rf=25Ω, if=2A,…

Answered: Q1) We have a separately excited dc…

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

I need the complete solution.
dc machines
A 220 V , 60 Hz , supply is connected to 200 – turn armature winding of reluctance 1.7x105 At / Wb . Find : the magnetizing reactance the rms values of the ( magneto – motive force , exciting and armature currents , magnetic fluxflu the inductance Draw the phasor diagram of the circuit
• A DC shunt machine while running as generator develops a voltage of 250 V at 1000 r.p.m. on no-load. It has armature resistance of 0.5 ohm and field resistance of 250 ohm. When the machine runs as motor, input to it at no-load is 4 A at 250 V. Calculate the speed and efficiency of the machine when it runs as a motor taking 40 A at 250 V. Armature reaction weakens the field by 4 %
A d.c. shunt machine generates 250-V on open circuit at 1000 r.p.m. Effective armature resistance is 0.5 ohm, field resistance is 250 ohm, input to machine running as a motor on no load is 4 A at 250 V. Calculate speed of machine as a motor taking 40 A at 250 V. Armature reaction weakens field by 4%
DC generators
Why does a brushless DC machine have a trapezoidal back-emf? Explain using physical concepts how it isimplemented in the internal construction of the machine. Write your answer using words and diagrams on aseparate sheet. Note: you do not need to mathematically model how the construction gives rise to the trapezoidalemf waveform.
Two dc shunt generator in parallel supply together 2000A. The machines have armature resistances of 0.04 ohm and 0.025 0hm field resistance of 25 ohms and 20 ohms. The induced emf’s of 440 V and 420 V respectively. Find the output of each machine.
The first blank: Choose... different equal low enough The second blank: Choose... equal different high enough The third blank: Choose... salient pole non-salient pole all types of
plz
The armature of a d.c. The machine has a resistance of 0.25 ohm and is connected to a 300V supply. Determine the e.m.f. generated when it runs as a generator giving 100 A and as a motor taking 80 A.
A lap-winding DC machine has 24 coils, 18 turns per coil, and 4 poles. The average flux density per pole is 1T. The effective length is 40 cm and the armature radius is 10 cm. The armature velocity is 140.2 rad/sec and the armature current is 24 A. The average flux per pole in Wb is: 6.283 0.06283 O 0.6283 0.006283

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