Answer Posted / akshay ghadge
SCR
1.SCR is a unidirectional device.
2.the gate current can be only positive.
3.SCR can operate in only one quadrent of v-i characteristics.
4.UJT is used for triggering SCR.
TRIAC
1.IS bi-directional device.
2.gate current can be positive or negative.
3.can operate in two quadrants of v-i characteristics.
4.diac is used for triggering triac
| Is This Answer Correct ? | 106 Yes | 5 No |
Post New Answer View All Answers
what kvrah y we need to take the readind of that
can anyone show me how the 3 phase power is supplied to socket outlets?
What is purpose of reactor?.What is different between line and bus reactor?
What is the formula to calculate the rating of power cable for three phase current.
What is use of starter and choke in tube light
Dear sir, I completed DECE In the year 1995.Now i am working in a private company from last 10 years as an Electrical supervisor.The company having a 1000 KVA transformer.Now i try to apply "C" Licence. I am eligible or not.If not eligible,pls give solution.
What do you mean by screen of power cables?
What are the components of feedback control system?
What is the power factor of an alternator at no load?
hwat type of motor is used in thermal gas turbine hydro nuclear power plants and why
what is meaning of bus riser
Is potential difference materials property ..? if yes tnen how.. explain brifly.
in star-delta tranformer,if the input of star connection is 400/7v 3 kva then what is the output of delta connection?
What are the special cables required for explosion proof wiring?
what are the usual topology of transformers at different substations in the power system and why that particular topology is choosen. what are the limitaions of that topology?
