Answer / balamurugan

we need answer for their.

Answer / shahid

vcb or any no need 2 relays 1 and only enough.
or system designer can put 2 one master and other slave to
shore tripping but not only vcb can be all types of cb.

what is the earthing condition between earth & neutral.

6 Answers   ABB,

---

How to test Power Transfomer vector group?

1 Answers   Bhel,

---

Whether IP65 enclosure box blocks ventilation if driver for LED have to enclosed inside IP65 box

0 Answers   Siemens,

---

1)How much current can a 3-1/2 core 100 mm wire carry? 2)What are the special cables required for explosion proof wiring? 3)In case you do not have coal and salt for earthing, how can you achieve good temporary earthing? 4)One horse power single phase motor is more likely to get hot than a one horse power 3 phase motor. Is it true or false, if true why? 5)What are the different types of soft starters for large motors?please explain?

0 Answers   TATA,

---

Spacing of Transformers ratings are 10kva,15kva,25kva,63kva,110kva,150kva .........so on Q) Why transformer are not manufactured having ratings in between or other than these standard ratings ?

3 Answers  

---

What are Directly Exited Generators?

2 Answers  

---

what is pmg and its use

2 Answers  

---

What does Bode plot tell you?

0 Answers   Ericsson,

---

what is the use of Auto re-closer?

0 Answers  

---

role of europe union in UK safety legistlation (electrical safety)

0 Answers  

---

what is the RMU and RMU system in sub-station(11kv,66kv.....)

2 Answers   Alstom, Torrent Power,

---

sir i completed apprentice in TNEB.apprentice is eligible for 'c' licence

0 Answers   Bhel, TNEB Tamil Nadu Electricity Board,

---