Answer / k.prakashchandra

You can request the distribution company for change for supply system

A system having the charactristic eqation (s+1)(s+2)(s-3)=0 is (a)stable (b)unstable (c)marginally stable (d)critically stale

1 Answers  

---

Why we use CT on differant phases of 2ph.PT detection for brush-less static excitation of 3ph.,400v Synchronous Generator? What happen if use CT on same one of VT phase?

2 Answers   Hydropower,

---

why magnetising curve not start with zero voltage?

0 Answers   TATA,

---

in cvt,there are two windings,1a,1n and 2a,2n.in my one project i use only one winding i.e.1a,1n. the other winding is not in use, so i connect it in open delta and want to close it by ibsertibg thermal resistor. the output of cvt is 132kv/115/sqrt3. plesae tell me exact value of resistor, so i may close it to avoid the resonance phenomenin. send me answer on this email adress please. aetcon-po@aetcon.com

0 Answers  

---

in ring main system we use the isolater b/w transfer bus and main bus if we r not use isolatar than wat will be the effect in our sys.

0 Answers  

---

what are the different types of transformers in present? which transformer is efficient?

1 Answers   TATA,

---

effect of decrease in excitation?

2 Answers  

---

i applied for the ap transco please forward the freqventley asked QA

0 Answers  

---

In 400KV Switchyard, we have used Circuit Breaker With PIR, what is the significance of PIR & why they'r used?

2 Answers  

---

what is the concept of star delta starter?

7 Answers  

---

what is the calculation method to design core and winding of a 200kva 3phase distribution transformer?

0 Answers  

---

why we take movement of rotor always in counter-clockwise direction in 3-phase induction motors?

0 Answers  

---