2. A 20-HP, 230-v, 1150 RAM., four pole, d.s, shunt motor has a total of 620 conductors arranged in two parallel paths and yielding an armature circuit resistance of 0.20. When it delivers rated power at rated speed, the motor draws a line current of 74.8A and a field current of 3A. Compute: a. the flux per pole, ØP b. the developed torque, Td c. the rotational losses, Prot

2. A 20-HP, 230-v, 1150 RAM., four pole, d.s, shunt motor has a total of 620 conductors arranged in two parallel paths and yielding an armature circuit resistance of 0.20. When it delivers rated power at rated speed, the motor draws a line current of 74.8A and a field current of 3A. Compute: a. the flux per pole, ØP b. the developed torque, Td c. the rotational losses, Prot

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Similar questions

4-pole DC in series motor, 180 Nm torque. The coil is wavy, at 600 total conductors, and the magnetic flux per electrode is 0.02 Weber. The resistance of the product and log windings is 0.2 ohm and 0.1 ohm, respectively. Calculate the copper knob if the reciprocating force generated is 205 volts
A 500-hp, 600-volt DC motor operates at 495rpm at full load. if the flux per pole is0.1 webers and the armature resistance is 15 milli0ohm and K = 1.3exp(-7). Calculate the induced EMF
I need the answer as soon as possible
A 2 pole wave wound dc shunt generator runs at a speed of 750 rpm, has an armature and shunt field resistance of 0.4 and 580 respectively. The armature has 960 conductors and flux per pole is 0.115 Weber. If the lamp load connected has a resistance of 70 determine (i) Generated EMF, (ii) Total Resistance, (iii) Armature Current, (iv) Terminal Voltage.
An 8-Pole, simplex lap wound, shunt generator has 800conductors and a flux per pole of 0.025Wb. The armature and shunt field resistances are 1ohms and 45ohms respectively. If a resistance of 11.25ohms is connected as load and the machine is running at 800rpm. Calculate the load current(in amp)
current - 1=?, and the power factor - cosp =?. 4. An out of balance three phase star connected load has the following complex currents: I₁ = lejº,A, I₂ =le¯6⁰,A and I₁=1e¹j6⁰, A. This load is supplied by a four wire power line from a balance voltage source. Find the r.m.s. value of the neutral current Io =? Wait to th
2. For the following figure 1 employing the diode characteristics of figure 2. Determine a) DC load line b) Voltage across the resistance c) Instead of the DC source use a 10V AC source and find the AC load line. D1 charteritien DIN4002 V1 10V R1 2k R2 2k HINA Bever charateri -1A) Junetion diode characteristies, Ge and S Figure 1 Figure 2
A 12-kW, 250-V dc. shunt generator has armature and field resistances of 0.68 ohm and 120 ohm. respectively. Determine the total armature power developed in generator.
A 4 pole,lap wound,dc. generators has 42 coils with 8 turns per coils. if is driven at 1120 rpm, if useful flux per pole is 21 mWb,calculate the generated e. m. f. Find the speed at which it is to be driven to generate same emf. as calculated above,with wave wound armature.
1)
The armature of a 14 pole DC shunt generator has 60 slots and is lap wound with 13 conductors per slots. The generator is running at a speed of 630 rpm and supplies a resistive load of 16 ohms at a terminal voltage of 310V. The armature resistance is 0.5 ohms and field resistance is 60 ohms. Find the armature current, the generated EMF and the flux per pole.
4. A shunt generator has a full load current of 196 A at 220 V. The stray losses are 900W and the shunt field coil resistance is 75N. If it has a full load efficiency of 90%, find the armature resistance.