Assume that a separately excited shunt de machine has a rated terminal voltage of 230 V and arated armature current of 100 A. Its armature winding resistance, commutating winding resis-tance, and compensating winding resistance are 0.08, 0.01, and 0.00842, respectively. The resis-tance of external wires (i.e., R…) is 0.00242. Determine the following:(a) The induced armature voltage if the machine is operating as a generator at full load(b) The induced armature voltage if the machine is operating as a motor at full load

We got an a separately excited shunt dc machine with, Terminal Voltage (Vt) = 230 V Armature current…

Assume that a separately excited shunt de machine has a rated terminal voltage of 230 V and a rated armature current of 100 A. Its armature winding resistance, commutating winding resis- tance, and compensating winding resistance are 0.08. 0.01, and 0.008 52, respectively. The resis- tance of external wires (i.e.. R.) is 0.0022. Determine the following: (a) The induced armature voltage if the machine is operating as a generator at full load (b) The induced armature voltage if the machine is operating as a motor at full load

Assume that a separately excited shunt de machine has a rated terminal voltage of 230 V and a rated armature current of 100 A. Its armature winding resistance, commutating winding resis- tance, and compensating winding resistance are 0.08. 0.01, and 0.008 52, respectively. The resis- tance of external wires (i.e.. R.) is 0.0022. Determine the following: (a) The induced armature voltage if the machine is operating as a generator at full load (b) The induced armature voltage if the machine is operating as a motor at full load

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

A thicker wire is used in the DC series field winding than DC shunt field winding in DC machines. * O because it carries the load current. O to prevent mechanical vibrations. O to provide strength. O to produce large flux. The speed of a DC motor can be changed by varying - armature resistance circuit O flux per pole O voltage source O all of above
help me in these questions pls write the questions with the and by (Computer) 1-Which of the following statements INCORRECTLY explain the label in the figure about LVDT working principles? a. Secondary coils are connected in series in such a way that their output is opposing each other. b. Constant DC voltage input to primary coil. c. Displacement moves ferrous rod from central position. d. The difference of the output voltage between the two secondary voltage.==========2- Explain the working principle of the measurement system in the figure below.i. Force input that is supplied to the sensor is processed to give the response in the form of raw output signal.ii. Signal conditioner manipulated the weak signal to give a conditioned input.iii. Analog or digital indicator display the unit that gives output reading of quantity being measured.iv. Measured value is compared with the input value for further action. a. ii, iii and iv only. b. i, ii and iv only. c. i, ii and…
Topic Electrical Machines - Magnetic & E... For a coil, each turn faces (2t4 – t³ – 2t) milliwebers of flux. The value of induced EMF in coil for 100 turns coil at 2 sec is, (in Volts).
5. In relation to a compound d.c machine, choose the right statement from the following. (A) The resistance of the shunt field coil will be many times higher than the series field coil. (B) The resistance of the shunt field coil and the series field coil are of the same order. (C) The resistance of the series field coil will be many times higher than the shunt field coil. (D) Either of (A), (B) and (C) is true statement.
Speed control of a 140 V, 1.68 kW DC motor single phase thyristor full wave AC-DC It is made by the converter. AA supply voltage 220 V (rms) Is 50. In the converter It is assumed that there is no loss. The armature resistance of the DC motor is = 0.417 Q. Very a large inductance is connected in series with the motor. The motor voltage constant is = 0.0964 V/rpm. The motor can be considered as a permanent magnet DC. According to this, a) Draw the driver (converter-motor) power circuit. b) Calculate the nominal current of the motor. c) Supply voltage, supply current, converter output voltage for ignition angle a = 30 ° and Draw the waveforms for the converter output current. d) = 950 rpm and for nominal current, d1) The firing angle of the converter, d2) Effective value of supply and thyristor current, d3) Supply power factor, calculate.
Q9 / What are the function of brushes , pole and commutator in DC machine
Construct a Coil Winding (Armature winding) detailed, with these following descriptions.... 4 poles, 26 conductors, double layer, simplex WAVE winding
A DC shunt generator delivers 45 A at a terminal voltage of 220 V. The armature and the shunt field resistances are 0.01 2 and 44N respectively. The stray losses are 375 W. What is percentage efficiency of the DC generator
The advantage of ..is that it protects the entire machine from dust and *.dirt. It also provides . for the magnetic poles ............ إجابتك The field winding is mounted on .and the armature winding (distributed type) is wound in slots on a إجابتك The ........*** Is used in the mechanical rectification process, to convert induced.. to output ...
Draw dc load line :
) A d.c. shunt machine while running as generator develops a voltage of 240 V at 1000 rp.m. on no-load It has armature resistance of 0.52 and field resistance of 250 92. When the machine runs as motor, input to it at no-load ts 4 A at 240 V. Calculate the speed and efficiency of the machine when it runs as a motor taking 40 A at 240 V. Armature reaction weakens the field by 6%
With a labelled diagram of any DC machine Discuss it parts