Answer / sridhar

1. to identify the source & the destination
2. to identify the classification of Zones.
3. identify the shortest / nearest route to avoid max.
length of the cable & to avoid road crossing
4. to select the cable size wrt load & route length
5. to select the cable size wrt load, calculate the
starting & running voltage drop.

Is it required to lay 2 runs of GI wires along with armoured cables from one power DB Machines of higher rating?

0 Answers  

---

What is IDMT? What is the principle

3 Answers  

---

which relay is better , instantaneous or IDMT relay .

2 Answers  

---

how motor should be connected i.e star-delta or star-star or delta-delta ?

3 Answers   GSE,

---

Give idea about General Engineering. From which book i can study this topic. Pl. reply me via email. My email is ravi@bhelhwr.co.in, also give the name of book/website, from where i can prepare it.

0 Answers   TATA,

---

---

234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,

0 Answers   Jubail O&M,

---

What is the Maximum Power generation capacity of a Synchronus Machine ??

1 Answers  

---

can we replace d.c.motor by 3 phase induction motor for a particular application

4 Answers  

---

What’s electric traction?

0 Answers  

---

what is the use of surge suppresser in 33 KV incoming panel. where it must be installed,inseries with incoming cable surge suppresser must be at incoming of the breaker are outgoing of the breaker

1 Answers   Siemens,

---

Control cables in S's will carry 1000v which is AC R DC? Pls answer me 

0 Answers  

---

How can i learn to programme every VFD. Or is there any typical study to understand VFD programming.

1 Answers   Volkswagen,

---