if in 3-phase system voltage=440V,frequency=60Hz, current=400A. then if it is single phase then current=? and if it is single phasing then current=?

0 Answers  

---

what is the advantages of Lighting transformer?.. is it possible to reduce the power consumption ?.

6 Answers   Lucas TVS,

---

when we decide to use soft starter drive or vfd drive in mcc to operate apump?

0 Answers  

---

difference between generator and alternator

0 Answers   Havells,

---

what is a pulse transformer? how rise time of pulse changes when ever the voltage changes?

0 Answers  

---

How do we arrive at selecting reactive capacitance value as 30% of h.p rating of motor?

0 Answers  

---

1)how to reduce the value of tan delta of trasformer and CB,bushing,CT&PT,CVT ? 2)how to reduce the resistance of CB contact and its operating time? 3)plz.....send me the project report on conditioning and monitoring of substation equipment on my email id (gusaiyogendra03@gmail.com)

0 Answers   L&T, PK,

---

1. What are the types of Transformer?

1 Answers   Valdel,

---

How to convert a two phase power into a three phase power in induction machine?

0 Answers  

---

i need to now what will be the cable size to the following load, transformer to distribution panel distance 110m, load 1000kw, voltage 400v, pf 0.85, permissible voltage drop 2.0%, overhead line, atmospheric temperature 35 degree c.

0 Answers   Bay Fishing Corporation,

---

if installing the transformer why put the sprit the stone ?

1 Answers  

---

what is the use of the puls transformer in UPS & how it works???????????

0 Answers  

---