How ships are protected from lightning?

1 Answers  

---

In response to Mr Bikas. If fault current is 52 kA then what will be the CT specification

1 Answers  

---

How to calculate cable size in HT AND LT

0 Answers   Apollo, JSKE,

---

what is the meaning and full form of AYFY CABLE?

10 Answers   ABB, Cable Wireless, Ecom Associates, Tamboli Engineers,

---

we use 3 phase supply for induction motor why not use two phase supply .

4 Answers   TLC,

---

Why we didn’t feel electric shock in an electric train ??

10 Answers   NTPC,

---

Why scr and igbt used in  ups systeam ????

1 Answers   JLL,

---

difference between elcb and rccb

3 Answers   ITC Infotech,

---

A 7 storey building has a floor area of 35,000sq.ft on each storey. On the ground floor 11KV electrical sub-station is to be erected. A load of 3kw for every 400sq.ft (p.f is 0.8) is proposed for each floor. fire pump 7.5hp, water pump 5hp, lift 2 nos, each 10hp and 20shop load of each shop is 5kw. calculate a. load each floor b. total load of building c. L.T feeders for aech floor and from transformer to main. d. distribution diagram e. capacity of sub-station/capacitor bank f. line diagram

0 Answers  

---

in one substation we have two power transformers of 100mva,75mva capacity.statoin load is155mva.how much each tranformers share the load????

6 Answers   TNEB Tamil Nadu Electricity Board,

---

Can anyone send details regarding motor protection relays ? their manuals please ?

1 Answers  

---

working method of railway electricl loco in single wire 25000 volt

1 Answers  

---