Answer / balu

D rep delta in primary side
Y represent star in secondry side
N7 rep phase angle that means current is in 7 o clock position with voltage

define IDMT relay?

15 Answers   APGenco, Bhel, L&T, Shriram Finance,

---

why we use DO Fuse in H.T. Line ? What is the purpose of DO Fuse

4 Answers  

---

WHAT IS IEC? & WHAT IS BENEFIT TO PRODUCT FROM IEC?

0 Answers   BMC,

---

2. What are the parameters of EHT sub-station?

1 Answers   APGenco, Blue Star, Enercon,

---

In AC if the direction of current keeps reversing every half cycle, how does it propogate through the transmission lines?

0 Answers  

---

Why voltages are 11kv 33kv why not others?

2 Answers  

---

HOW TO CALCULATE THE ILLUMINATION IN INDOOR LIGHTING?

0 Answers   L&T,

---

why when i start my diesel generator it takes 1 minute or less then stop, and i checked the oil sensor is ok and when the generator start i can get 220 voltage but it it is stop after 1 minute or less, how can i solve this problem?

1 Answers  

---

how to calculate IR value of 33KV cable ??

0 Answers  

---

List out the the types of Mounting Light fixture?

0 Answers   HLL,

---

What is the PIU.

1 Answers   Jindal,

---

what is the difference between electrical wire and electrical conductor?

4 Answers  

---