Answer / amal kumar

Y-d or D-y is the most commonly used transformers.
Y-d provide a stable neutral system.

how to calculate insulation level of transformer?

0 Answers  

---

What is fault clearing time for Current Limiting Moulded Case Circuit Breaker?.

0 Answers   DAE, Hindalco,

---

How much sq,mm cable need for 800 amps load

2 Answers  

---

When calculating the speed of a rotor required for a particular frequency of synchronous generator we use the equation 60f/p Is this p is the number of pole pairs of rotor & do we consider the number of pole pairs in the stator is 1?

0 Answers   UOM,

---

In a 3 phase induction motor(without connecting supply) if we rotate its rotor by hand and check resistance of stator winding at motor terminal box its resistance varies why ??

3 Answers   Jindal,

---

why in generating station generation voltage is 11 kv

1 Answers   L&T, Usha Martin,

---

what is the voltage present in the telephone?

10 Answers   Infosys,

---

what is relation betn. KW & KV?

10 Answers  

---

hi Is there any possibilities to find out the rotation of a shaft or something else by using electromagnectic waves or by IR rays.If s then can v change the dir., of rotation of the same by remotely?& how? plz dn't any1 say "NO r CAN'T"

0 Answers  

---

what is meant by auto transformer?

4 Answers   Suzlon,

---

In electrical locomotive engines, the DC series motors is being used as traction motor. But in new engines like in WAP7 & WAG9 the 3-phase squiral cage induction motors has replaced them. So can someone tell me the advantages of induction motor over dc seris motor in engines points of view....???

0 Answers   RRB,

---

What, in the construction of a transformer, controls KVA? For example 600/208/120 V transformer can be 10kVA or 45kVA!!! What do we change in the construction of a Transformer in order to change the rating but not the voltage.

1 Answers  

---