A permanent magnet DC servomotor with the following motor parameters: Torque Constant: Back EMF Constant: Armature Resistance: Armature Inductance: Viscous Damping: Friction Torque: KT KE RA LA FM TE 3.0 x 10-² 3.0 x 10-² 4.0 6.0 0 0 (N-m)/A (V.s)/rad Ω mH (N.m.s)/rad N-m a) What is the steady-state no-load speed in RPM for an input of 12V? b) What is the motor torque under stall conditions for an input of 12V? c) Assuming that the motor is driving a purely inertial load that is significantly greater than the rotor inertia. Which motor parameter can be neglected to arrive at a first-order transfer function? d) Assume that the motor is being used as a generator and that the motor shaft is rotating at 2000 rpm. What is the open-circuit voltage across the motor terminals?

A permanent magnet DC servomotor with the following motor parameters: Torque Constant: Back EMF Constant: Armature Resistance: Armature Inductance: Viscous Damping: Friction Torque: KT KE RA LA FM TE 3.0 x 10-² 3.0 x 10-² 4.0 6.0 0 0 (N-m)/A (V.s)/rad Ω mH (N.m.s)/rad N-m a) What is the steady-state no-load speed in RPM for an input of 12V? b) What is the motor torque under stall conditions for an input of 12V? c) Assuming that the motor is driving a purely inertial load that is significantly greater than the rotor inertia. Which motor parameter can be neglected to arrive at a first-order transfer function? d) Assume that the motor is being used as a generator and that the motor shaft is rotating at 2000 rpm. What is the open-circuit voltage across the motor terminals?

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

B/ A shunt generator delivers 450 A at 230 v and the resistance of the shunt field and armature are 502 and 0.03 2 respectively. calculate the generated e.m.f
1
Q3/ The main shortcoming of Permanent magnet DC motor is Cheap cost limited speed regularisation Small size O Non of the above Q4/ The Dc machine which provides constant rotational speed under variable load is Compound motor Shunt motor Separately excited O Non of the above
The objective of this question is to find the model of the DC motor with the load Fixed field Ra Om(1) 200 N = 100 Ea-50V N2 = 1000 Ja=5 kg-m2 JL=700 kg-m2 D =2 N-m s/rad D, = 800 N-m s/rad %3D 100 (а) 0.33 OL(s) 1 OL(S)= b. a. E. s(s+1) E. s(s +0.33) 0.033 0.33 OL(s)= d. C. E. (s+1) E. s(s+1) Choose... The total moment of inertia (in Kg/m2) is Choose... The total damper (in N-m-s/rad) is Choose... + The parameter Kp is
A permanent-magnet dc motor hasRA = 1.0 Ω. With no load, it operatesat 1000 rpm and draws 1.0 A from a 15 Vsource. Assume that rotational power lossis proportional to speed. Find the outputpower and efficiency for a load that dropsthe speed to 950 rpm.
Write a MATLAB program describing the following figure. one cycle TIME PRESSURE amplitude
find 1-transfer function of Dc Separately Excited motors (step by step). 2-Block diagram of Dc Separately Excited motors Ra La www mm Ia Va !Luw! GEH mm Tm, J, B,0
Aa - AaBbCcl AaBbCcl AaBbC 1. Av 1 Normal 1 No Spac. Title Editing Dictate Sensitivity Editor Reuse Pick Files Imag Paragraph Styles Voice Sensitivity Editor Reuse Files Picki 5. A PMMC voltmeter with a resistance of 10 ohms gives has a coil of effective depth of 3 mm and a width of 2.5 cm, the coil has about 100 turns. The flux spread in the air gap is of 10mWb/m. The spring has a constant of 2 x 10 Then calculate, Deflection torque produced by the coil, when it is connected to 20V to measure. ii. Deflection made by the pointer, when the meter is to measure a voltage of 10V i. ed States) DFocus
× 4:03 K s.eng.ruh.ac.lk □ Û 8. Figure 4 shows the core of a simple dc motor. The magnetization curve for the metal in this core is given by Figure 5 and Figure 6. Assume that the cross-sectional area of each air gap is 18 cm² and that the width of each air gap is 0.05 cm. The effective diameter of the rotor core is 4 cm. L It is desired to build a machine with as great a flux density as possible while avoiding excessive saturation in the core. What would be a reasonable maximum flux density for this core? ii. What would be the total flux in the core at the flux density of part (i)? iii. The maximum possible field current for this machine is I A. Select a reasonable number of turns of wire to provide the desired flux density while not exceeding the maximum available current. Flux Density, B (T) 2.8 སྤྲ ཤཱ ཀ ཀཱ བྷ ཀ ཡཱཾ བ ་ 1.2 1.0 0.4 0.2 4-48cm Figure 4 0 10 20 30 40 50 100 → Depth 4 cm -0.05 cm 200 300 500 1000 2000 Magnetizing Intensity, H (A.turns/m) Figure 5 Magnetization curve…