Answer / imranqureshi451@gmail.com

BUCKHOLZ RELAY

Answer / k.prakashchandra

Such relay is possible in digital systems such as
telecommunication.I think it is 'frame relay'.

A.V.R maintains the voltage of a generator when it is in island mode but when the generator is synchronised with grid it maintenance the P.F,how it happens please any body explain it in detail.

2 Answers   TATA,

---

Why rating of transmission line in kv not in kva

2 Answers  

---

What should be the earthing resistance of an industrial substation and also What should be the house hold earthing resistance?

20 Answers   Jindal, Pharma, TAAT, TATA,

---

why generation is done in delta nad transmission in star? brief

3 Answers  

---

We are designer please help me calculate the size of 11kv cables from step up transformer to M.V panel, total load is 5 mega watt distance 900 feet (used aluminum type cables) please provided formula for calculate the cable with example.

0 Answers   SK Engineering,

---

---

Does the Impedance of the source affects the THD

1 Answers  

---

Where servomechanism is used?

0 Answers  

---

what is the difference between Current transformer & Capacitive voltage transformer

2 Answers   ABB,

---

a 11 kv line is grounded and a 110 kv line is grounded. which line have the greater current flow?

4 Answers  

---

hi frienda We have 250kva cater pillet dg set we are fasing one diffrent proublam in dg we are start dg set after one mint applying load around 450a load but dg was run 3 Or 4 mints after 3 mints dg was shuding down automatic how to face this proublam pls tel any budy

2 Answers  

---

What is the formula to find out cross sectional area of cable for certain current rating?

1 Answers   MRF,

---

How many input terminal of single phase transformer.which is use for rural power distribution.

1 Answers   RMSI,

---