Answer / najamkccl

the vector group designation indicates the winding
configurations and the diffrence in phase angle betwen
them(HV,LV).

FOR EXAMPLE.

a wye HV windings and delta LV widing with the 30
degree lead is denoted as Yd11.

What is difference b/w fuse and breaker?

3 Answers   Jindal,

---

OHMS Law is only applicable for ac or dc or both circuiT?.

6 Answers  

---

Is it possible to use a S1 duty class motor for crane application (S4)? If not, why?

0 Answers  

---

what is principle of DC machines?

5 Answers   APTransco, NTPC, Wipro,

---

why are laminations used in constructing the field core?

3 Answers  

---

Terminal blocks is used for segregate the connections... There is any principle for terminal block..?

0 Answers  

---

in elevator industries , how to calculate the required KVA for the elevator (elevator spec- 40A module , motor of 13.5KW, 20A)

1 Answers   DLF, Tata Steel Limited,

---

How the setting of the vector surge relay shall be calculated when the relay is to be used for Grid islanding application?

0 Answers  

---

why the name mho relay,despite the locus of circle is impedance?

1 Answers   KSEB,

---

what is the function of short circuit maintenance ct and droop ct.

1 Answers   L&T,

---

What is the de rating factor of cable? What is the importance of the de rating factor in cable select

0 Answers  

---

Why 11KV/440V distribution supply use for Domestic use?

3 Answers   Essar, Getco, Nissan,

---