Answer Posted / dinesh kumar
1.A thyristor/SCR is semiconductor device
2.It has 3 terminals and 4 layers (PNPN)
3.Thyristor will conduct only in forward bias.
4. By applying firing pulse to gate scr is controlled
5.scr can be used as
a. switiching devices
b. Convert Ac to Dc (converter)
c. Inverteer
| Is This Answer Correct ? | 9 Yes | 0 No |
Post New Answer View All Answers
What is the Difference between Ac Drives and Dc Drives? According to application, speed, Torque, cost, Reliability, Construction, Motor etc... Thankyou !!!
The metal-enclosed switchgear and controlgear is subdivided into three types: 1. metal-clad switchgear and controlgear; 2. compartmented switchgear and controlgear 3. cubicle switchgear and controlgear. What is the main differnence between them. State some example.
how to calculate the earth mat design in 132 kv substation yard ????
I need HT sphere gap calibration table. Can any body help me.
When calculating the speed of a rotor required for a particular frequency of synchronous generator we use the equation 60f/p Is this p is the number of pole pairs of rotor & do we consider the number of pole pairs in the stator is 1?
132/66kv sub-station procation ?
what is earth fault relay 64T, why it is used in main Incomer and neutral CT of Transformer.
Differentiate between voltage and current feedback in amplifiers?
various transmission tower like .,D tower ,K.C.O tower ,C.C.O tower,K.C.R tower ,C.C.R tower ,H.C.O tower in different tons.
how to store the thunder power?
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.
two way ckt diagram can be drawn by how many ways? give diagram
Difference between Earthing Truck & Earthing trolly for HT panel
surge tank, hrc fuse, earthing transformer, firm power objective type
How can I calculate the Mega watts required to run a plant having many electric motors and other electrical components.