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

Compute the real power and inductive load, Q. A 60-Hz, 440-V, three-phase s...

Q. A 60-Hz, 440-V, three-phase system feeds two balanced wye-connected loads in parallel. One load has a per-phase impedance of 8 + j3  and the other 4 - j1 . Compute the real po

Speed control using phase controlled converters , Speed Control Using Phase...

Speed Control Using Phase Controlled Converters Phase controlled  converters converts a constant ac voltage  into  variable  controlled  dc voltage. This  variable  dc voltage

Stator voltage control methods - motor control , Stator Voltage Control Met...

Stator Voltage Control Methods By  controlling  the applied voltage  the speed  of an  induction motor  can be  controlled. Since  the output  torque of 3-? induction motor  i

Give a general account of common drain amplifier, Q. Give a general account...

Q. Give a general account of common drain amplifier? The output is taken over the source terminal and when the dc supply is replaced by its short circuit equivalent, the drain

Explain digital control systems, Q. Explain Digital control systems? Si...

Q. Explain Digital control systems? Significant progress has been made in recent years in discrete-data and digital control systems because of the advancesmade in digital compu

What do you mean by negative impedance converter, Q. What do you mean by Ne...

Q. What do you mean by Negative Impedance Converter? The op-amp circuit of Figure causes a negative resistance R in between the input terminal and ground. In the more general

Insulation resistance, how can we increase insulation resistance of sheet

how can we increase insulation resistance of sheet

Explain about amplifier noise, Q. Explain about Amplifier noise? Amplif...

Q. Explain about Amplifier noise? Amplifier noise arises from both thermal sources (resistances) and nonthermal sources (semiconductor devices). Although nonthermal noise is no

1-phase half bridge inverters, 1- Φ Half Bridge Inverters 1-Φ bridge  ...

1- Φ Half Bridge Inverters 1-Φ bridge  inverter may be  of two  type 1-? half  bridge  and 1-? full  bridge  inverter. 1-? half bridge  inverter with resistive load to explain

Which are the three basic configurations of fet amplifier, Q. Which are the...

Q. Which are the three basic configurations of FET amplifiers? The three basic configurations of FET amplifiers are · Common source(CS)- It is most frequently used as it pro

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