The graph shows the speed-torque curves of a stepper motor. Nom 16 14 12 10 . 6 4 456810² 3456810 456810 a. If a pulse rate of 300Hz is provided to the motor which is initially at rest, what is the range of torque values that can be accepted by the motor such that there is no slippage b. Explain why is slippage undesirable for a stepper motor. c. At no load, the motor spins at a maximum of 3000 rpm. What is the step angle of the motor

The graph shows the speed-torque curves of a stepper motor. Nom 16 14 12 10 . 6 4 456810² 3456810 456810 a. If a pulse rate of 300Hz is provided to the motor which is initially at rest, what is the range of torque values that can be accepted by the motor such that there is no slippage b. Explain why is slippage undesirable for a stepper motor. c. At no load, the motor spins at a maximum of 3000 rpm. What is the step angle of the motor

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

For the given electromechanical system with all parameters in SI units, the motor used develops 50 Nm of torque at 3000/pi in rpm when 15 volts applied. It is stalled at this DC voltage with 150 Nm of torque. The armature inertia is 5 kg.m2 and damping is 2 N.m.s/rad. What is the equivalent load damping DL at the N3 port
Consider a separately-excited DC motor with an armature resistance RA= 0.25 N and terminal voltage VT= 120 V. The motor rated speed is 1800 RPM. The field winding supply VF= 36 V and the field resistance is adjustable. The motor has compensating windings and interpoles. IF (A) EA (V) 0.3 85 These values were taken at speed n=1800RPM 0.0 0.1 0.2 0.4 0.5 0.6 0.7 0.8 30 60 102 115 124 130 134 If the motor is driving a load at rated armature current Ia = 46 A, with Radj + Rf=1202. Find the speed of rotation of the motor in RPM. Select one: O a. None O b. Speed n = 1410 RPM O c. Speed n = 1800 RPM O d. Speed n = 2298 RPM
Back emf of a DC Drive is directly proportional to speed Select one: True False
Let the no-load speed of the motor driven by a voltage supply Vin be Ωmax, and assume that Ωmax = K Vin. If TPWM is divided into 10 intervals, what is the smallest possible step change in speed for forward full-bridge operation? Let Ωmax = 977 rpm. Enter your answer to the 1st nearest decimal place in rpm.
Given this question for PMDC motor 1) Write the equations of motion for the DC motor in time domain & S-domain. 2) For Full-load and Half-load states, obtain the transfer functions for a.) Torque - Speed b.) Torque - Motor current and this is provided motor specifications nominal values nominal power, W 11 Motor voltage 12 Nominal speed, rpm 3200 Nominal current, A 1.3 nominal torque, N.cm 3.2 No-load values Speed, rpm 4300 Current, A 0.1 Stall values Torque, N.cm 13.5 Current, A 5.2 Performance values Max output power, W 15 Max constant torque, N.cm 1.9 Motor parameters Weight, gr 235 Rotor inertia, gr,cm2 33 Terminal resistance, ohm 2.3 Inductane, mH 2.3 Mech time constant, ms 12 Elec time constant, ms 1 Torque constant, N.cm/A 2.7 Speed constant rpm/N.cm 310 Thanks
A motor has output torque given by Tout=10−2 (60π−ωm)ωmwhere ωm is angular velocity in rad/s and Tout is the output torque in newton meters. a. Find the no-load speed of the motor. b. At what speed between zero and the no-load speed is the output torque maximum? What is the maximum output torque? c. At what speed between zero and the no-load speed is the output power maximum? What is the maximum output power? d. Find the starting torque of the motor. How could this motor be started?
The graph in the picture shows regulation of a linear DC motor. The motor has speed n = 2800 rpm at voltage U1 = 100 V. a) Express indicated speed in SI units. b) What is the static gain of the motor? c) What speed does the motor have at voltage U2=20 V? d) What voltage is required to make the motor rotate at n3=2,100 rpm?
A series DC machine with the armature winding resistance Ra=2Ω and the field windingresistance Rf=5Ω is mechanically coupled to the load with linear torque-speedcharacteristics that can be approximated by the following equation: Tl(ω)=k·ω+T0 where k=-2Nm/(rad/s) and T0=200 Nm. The motor constant Kf is equal to 0.22[Nm/A^2] also[Vs/(A·rad)]). The motor is supplied from a 250VDC source. a) Calculate all possible operating points and determine the stability of each operatingpoint
A drive has the following parameters: TL=150-0.1n and TL=100[Nm], where n is the speed in (rev/min). The drive is initially operating in steady state. The characteristics of the load torque are then changed to TL=-100[Nm]. Find: (a) the initial speed of the drive. (b) the equilibrium speed.
Find the transfer function, G(s) = θL (s) / Ea (s), for the motor and load shown below. The torque-speed curve is given by Tm = -8ωm + 200 when the input voltage is 100V. Select the correct option
We are studying the use of a permanent magnet DC motor in a roller motion application. The motor has a voltage Vk, an armature resistance Ra, and when it turns a cylindrical roller (load) at n revolutions, it draws a current ia. The torque required by the load is proportional to the angular velocity ω with a proportionality coefficient Kφ. All losses except for ohmic are negligible. ia = 19A, Vk = 230V, n = 380, Ra = 4.5.calculate the mechanical torque delivered to the load (roller),
If the no load speed of a motor is 1000 rpm and it decelerates by 30 rpm at full load, find the speed regulation.