Variable frequency systems , Electrical Engineering

Assignment Help:

Variable Frequency  Systems

In this  systems the chopping period  T will varying but  either Ton is kept constant or Toff kept constant. In  any case the off  time Toff  will not be much  large  because it may make undesirable discontinuous load current.

 


Related Discussions:- Variable frequency systems

What is an oscillator and show the advantages of oscillators, Q. What is an...

Q. What is an oscillator? Discuss the advantages of Oscillators ? An oscillator is a system consisting of active and passive circuit elements to produce a sinusoidal or other r

Define the term real time clock, Define the term real time clock. A re...

Define the term real time clock. A real-time clock maintains the time in real time, which is, in hours and minutes. For the real-time clock the software contains an interrupt

DC motor, why DC motors use field winding instead of armature winding

why DC motors use field winding instead of armature winding

Working of self - excited generators, Q. Working of self - excited generato...

Q. Working of self - excited generators? For self-excited generators, residual magnetism must be present in the ferromagnetic circuit of the machine in order to start the self-

DLD, Draw a logic diagram to implement F=ABCDE using only 3 input AND gates...

Draw a logic diagram to implement F=ABCDE using only 3 input AND gates

Power angle and performance characteristics, Q. Power Angle and Performance...

Q. Power Angle and Performance Characteristics? The real and reactive power delivered by a synchronous generator, or received by a synchronous motor, can be expressed in terms

Balanced delta-connected load, Q. A balanced delta-connected load with a pe...

Q. A balanced delta-connected load with a per-phase impedance of 12 + j9  is supplied by a 173-V, 60-Hz three-phase source. (a) Determine the line current, the power factor, th

Superhet receiver, Write a short summary of the AM superhet receiver, in ex...

Write a short summary of the AM superhet receiver, in exacting consider how the demodulation stage works, and remark on the choice of component values used.

Determine speed of the rotor field relative to rotor winding, Abalanced thr...

Abalanced three-phase, 60-Hz voltage is applied to a three-phase, two-pole induction motor. Corresponding to a per-unit slip of 0.05, determine the following: (a) The speed of 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