Answer Posted / abhisek

coz...if dia is increased..then resistence drop....so its
compatable high current going in ground...

Mr. mohh sahid m not satisfied for ur answer to the que weather the size of transformer increases or decreases withchange in fr for more detail go to the answer given by me

2183

---

What is capacitance?

1304

---

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

1671

---

state types of reflectors in illumination engg. ???????

1993

---

What is the permissible limit of shaft voltage for 6.6 KV motors ? Why? Is there any standard is available?

2732

---

What is notching in dc machine?

2058

---

3 phase induction motor connection star or delta while using ac drive motor is .75 to 5.5 kw

2021

---

What is the reason behind current flow(20 A) in amain earth cable of an SMDB? Is cuurent flow(45A etc) through a neutral cable acceptable?

2038

---

hi can any body send me syllabus of rrb electrical section engg... and past pepar also of any board...

2732

---

The knee point of a current transformer is normally unique and known.So why in the nameplate of a CT they put the minimum value like this Vk> 400v.

1431

---

Difference between a pilot wire and a normal conductor?

2089

---

What is stacking factor? What is its approximate value?

1545

---

what are the applications of transistors with low dc gain, high dc gain and medium dc gain( beta)?

1829

---

How many points does a Circuit can have?

2030

---

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,

2093

---