Answer / alokverma

1-) polarity should be same
2) per unit impendence should be same
3)resistance/reatance ration shuold be same

In case of delta/delta transformer if the one phase is blown out then what will be secondary line voltage ?

4 Answers  

---

Can a 150 kva 3 phase,440v/230v delta-wye connection stepdown transformer can be used in reverse as a step up tranformer ?

3 Answers   Meralco,

---

what is the difference between neutral and earth?

2 Answers  

---

What is the meaning of Fault level rating?

1 Answers   Balrampur Chini Mill,

---

ow can i get certificate of competency as electrical supervisor and my diploma in electrical engineering from jalgaon.

0 Answers   ONGC,

---

pls tell about gas insulated substation?which gas is used for that substation?above which rating we are used this substation?how we take maintenance in that substation?it means substation fully shutdown or live condition?if live condition means how?pls clear this things

1 Answers   Essar,

---

the distance from my office to d.g is aprox 400mtrs and voltage drops ibn my office near about 40 volt what should i do p[ls suggest.

4 Answers  

---

Difference Between Isolator and Mcb

13 Answers   VHB Medi Life Sciences,

---

why we cant use AC supply products in DC supply?

21 Answers  

---

in a 740 kw dc seperately excited motor field voltage is constant about 17.4 volts and armature voltage is500 volts dc. how it is possible to have two different voltages from single transformer of output voltage 500 volts? if any difficulty in question contact ajitsingh.kadian@gmail.com

1 Answers  

---

Why the capcitor to be discharged after put in to operation & why not inductor though the both elements stores energy?

3 Answers  

---

how and where megger works?

9 Answers   Power Grid,

---