Answer / piyush

To reduce the earth resistance

(1)For 3 No 1500 KVA transformer require on one single bus bar or need to be section through bus coupler means upto 3MVA.(2) 22KV Net work system as ring, How maney I/C required or 0ne I/C and one O/G.(3) What should be rating of VCB for 22 KV line.(4)Electrical/mechanical inter lock, why we need.

0 Answers  

---

how to find out this one mcb r mccb?

4 Answers   L&T,

---

why swinburnes test cannot be performed on series machines?explain

0 Answers  

---

what is slip what is the use of slip?

1 Answers  

---

We wish to test 60 Hz systems from a 50 Hz supply. To acheive frequency conversion, we use a VFD. The VFD powers 40 kVA transformer, which has motor and non-motor loads on it. Will the transformer work?

2 Answers   Suzlon,

---

any application of back emf

0 Answers   MahaGenco,

---

why does in transformer the v/f ratio constant?

2 Answers   TATA,

---

what is pf. how to calculate capacitor bank value to maintain unity pf.

18 Answers   JH, Saint Gobain, Supreme Treves,

---

WHAT DO YOU MEAN THE DIFFERENT TYPE OF CURVES OF RELAY LIKE STANDARD INVERSE, VARY INVERSE, NORMAL INVERSE, LONG INVERSE ETC....

0 Answers  

---

what is the prosses for getting of 33kv licence (i have completed my engineering degree & working in 33kv substation for contract basis )????

0 Answers   Surana,

---

What is Energy based relay coordination & time based relay co-ordination? In which type of distribution arrangement these methods are applicable?

1 Answers  

---

In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?

0 Answers  

---