Interested to Buy Any Domain ? << Click Here >> for more details...
i am swathi, b.tech 4th year.
In smps(switched mode power supply)we are using
diodes,mosfets,igbts for controling of current.
And my question is why we did not use thyristors(scr)? it
is also act as a switch,then what is the drawback of scr as
compared to above transisters> if we use the scr,then what
is happening ? plz give reply as soon as possible bcoz i
am doing project on smps. plz frnds i want ans for
that. if anybody know the ans plz send to my e-mail
id /swathi.tadakapally@gmail.com/
- 5 Answers
- 11201 Views
- EEE, TCS, I also Faced
- E-Mail Answers
Answer Posted / g venkateswarlu
hi dear swathi,as per your question SCR act as switch but it is current controlled device and its operating frequecy is 400-500hz, voltage drop less than 2 volts,and its application are dc motor control and rectifier and inverter. where as MOSFET AND IGBT voltage control device and above nithi ans also correct
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
why you don not show protection and type of isolation in key single line diagram?
What is the function of capacitor in electrical circuits?
why we use condenser in the thermal power plant, althrough the same vapour will be again heated
what is deffrence between squirral cage and wound rotor in IM?
how to put cable sizing and cable glands size for respective cable & Cable Lug size in a DB sectors???
If an electrical component has a positive temperature coefficient, how come such components have high power losses due to heat if current decreases when resistance increases? assuming power given by I^2*R whereby the Resistance is infinite.
What are the main parts of central chiller plant? Explain the function of each stage.
what is settable hystersis protection? If any body knows plz kindly post the answer..
Trafo ratio is 11kV/6.6kv,Vector group is YND11. What will be the effect if secondary is used for earthed system.
What happen in ups if phase reverse?
A jet of fluid strikes a plate What was the force required to counter it?
how to avoid electrical shock how capacitor store charges wat are the speed control of induction motors state faradays law flemings left hand rule what is rotary converter wat is transmission and distribution what are the sources of energy abrevation of acb,vcb,sf6,igbt what is output equation of transformer which test copper iron and iron loss are calculated what is eddy current draw a single line diagram (10 marks) draw direct online starter(10 marks)
The synchronous machine excitation system explain
xfhnchncv?
why it is so called as xlpe(cross linked poly ethyline) cable?
