What is STEP VOLTAGE ?

7 Answers  

---

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   EEE, TCS,

---

only some transformers and some generator requires NGR why?

1 Answers  

---

What is the minimum load that you can keep in a 3 Phase 40 KVA Diesel Generator? Is it neccessary to load all the 3 phases? Can a phase be left without load?

2 Answers   DRDO,

---

which fault is severe and why?between lll fault and lllg fault which fault is severe and y?

0 Answers   GE,

---

whether fibre optic cable in high voltage earth conductor is used for protection circuits

0 Answers  

---

What is the ideal position cooling fan inside the dc motor?

0 Answers   Kay Bouvet,

---

What is the distance b/w R&Y phase in 33kv T.line,11kv &440v

1 Answers   NTPC,

---

1600 KVA ka transformer hi aghar lt side par 800A aur voltage 420 ho to HT side ki cable ki rating keya ho gi?

0 Answers  

---

What is the difference between a Junction Box and a Marshalling Box?

8 Answers  

---

tate and explain super position theorem

2 Answers  

---

4-Why we measure the insulation resistance of main core and frame in spite of that must be connected with ground before energize the transformer?

3 Answers  

---