Evaluate the transfer function, Electrical Engineering

Assignment Help:

Since dc motors of various types are used extensively in control systems, it is essential for analytical purposes that we establish a mathematical model for the dc motor. Let us consider the case of a separately excited dc motor with constant field excitation. The schematic representation of the model of a dc motor is shown in Figure. We will investigate how the speed of the motor responds to changes in the voltage applied to the armature terminals. The linear analysis involves electrical transients in the armature circuit and the dynamics of the mechanical load driven by the motor. At a constant motor field current If, the electromagnetic torque and the generated emf are given by

Te = Kmia

ea = Kmωm

where Km = kIf is a constant, which is also the ratio eam. In terms of the magnetization curve, ea is the generated emf corresponding to the field current If at the speed ωm. Let us now try to find the transfer function that relates m(s) to Vt(s).

1543_Evaluate the transfer function.png


Related Discussions:- Evaluate the transfer function

Why memory decoding is required, Why memory decoding is required? To a...

Why memory decoding is required? To attach a memory device to the microprocessor, this is necessary to decode the address sent by the microprocessor. Decoding creates the memo

For the given circuit determine voltage, Q. For the circuit shown in Figure...

Q. For the circuit shown in Figure, determine v out (t).

Determine collector - emitter voltage and base current, Q. A transistor is ...

Q. A transistor is connected in common emitter configuration collector supply voltage Vcc is 10 volts load resistance Rl is 800ohm,voltage drop across load resistance is 0.8v and c

Basic electromagnetic principles, It has been known for a thousand years or...

It has been known for a thousand years or more (originating in China) that certain (magnetic) materials would always orientate    themselves in a  particular direction if suspended

Find the turns ratio of the ideal transformer, Q. Consider an amplifier as ...

Q. Consider an amplifier as a voltage source with an internal resistance of 72 . Find the turns ratio of the ideal transformer such that maximum power is delivered when the amplif

Incorrect Solution, Hi there i just asked for question and answer for 5 cha...

Hi there i just asked for question and answer for 5 chapter and i just receive some of them in word the rest are in apiece of paper which is unprofessional could you please have l

Properties of p-n junction, Properties of a p-n junction The p-n junct...

Properties of a p-n junction The p-n junction possesses several interesting properties that have helpful applications in modern electronics. A p-doped semiconductor is compara

What is permeability of magnetic materials, Q. What is permeability of magn...

Q. What is permeability of magnetic material? For magnetic material media, the magnetic flux density B, expressed in tesla (T) or Wb/m 2 , and the field intensity H, expressed

Explain extrinsic semiconductor, Explain Extrinsic Semiconductor. Extr...

Explain Extrinsic Semiconductor. Extrinsic Semiconductor: An intrinsic semiconductor is able to conduct some current even at room temperature but as this is not helpful for t

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd