Dc chopper - power supplies , Electrical Engineering

Assignment Help:

DC chopper

This is  one stage  conversion  device  which is used for direct conversion of fixed  de voltage at a level to an adjustable dc voltage  at another  level.

743_DC chopper.PNG

                                                                                    Figure  DC Chopper

Chopper is high speed on/ off semiconductor switch  is represented  by a switch  SW with an  arrow  as shown  no current will flow  if the  switch  is off  and when it is on  current will flow  in the direction of  arrow only.


Related Discussions:- Dc chopper - power supplies

Charge carriers in semiconductors, Charge Carriers in Semiconductors ...

Charge Carriers in Semiconductors In a metal, the atoms are imbedded in a "sea" of free electrons, and these electrons can move as a group under the influence of an

Draw the differentiator circuit, Q. Draw the differentiator circuit. Explai...

Q. Draw the differentiator circuit. Explain its principle of operation with necessary waveforms ? A circuit in which the output voltage is directly proportional to the derivati

Obtain a pos expression, Q. The K map of a logic function is shown in Figur...

Q. The K map of a logic function is shown in Figure. (a) Obtain a POS expression and its corresponding realization. (b) For the purpose of comparison, obtain the correspondin

What is pipelined architecture, What is pipelined architecture? The com...

What is pipelined architecture? The computer is composed of two parts that operate asynchronously one part known as a BIU, fetches instruction from code memory while the memory

What do you mean by conditional selection, Q. What do you mean by Condition...

Q. What do you mean by Conditional selection? Conditional selection: When a marker is instructed to create a connection from a given incoming trunk to a given outgoing trunk, t

Find the power factor and current of the machine, Two identical three-phase...

Two identical three-phase, 33-kV, wye connected, synchronous generators operating in parallel share equally a total load of 12 MW at 0.8 lagging power factor. The synchronous react

Physics, what do we mean when we say that an equation is dimensionally corr...

what do we mean when we say that an equation is dimensionally correct?

Excitation, excitation in an ac generator

excitation in an ac generator

What is the difference between tdma and fdma, TDMA: Time division multi...

TDMA: Time division multiple access (TDMA) is a channel access method for shared medium (generally radio) networks. It permits several users to share the similar frequency chan

Determine the expected voltage levels at the output, The subsequent voltage...

The subsequent voltage-source multiplying DAC is to be utilized to convert the digital data stream "11" and "01" to an analog signal.  It has 2-bit inputs and hence is capable of c

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