we have a 2000kva step down transformer at our site. The HT side is charged from 22000V. So the primary current will be 52.48A. So why the HT breaker(SF6 ABB) is rated of 1250Amps ?

2 Answers  

---

How grounding is different than earthings?

0 Answers  

---

what is the avr

6 Answers   ArcelorMittal, Heidelberge Cement,

---

what is the value of voltage & current lightning during rainy season.

0 Answers  

---

write encoder 17 pins details? pin a;b+, pin b;w+,..pin s & t. what is the meaning of b+, w+? explain;

0 Answers  

---

No load test of induction motor is carried out to compute= A stator resistance B rotor resistance C magnetizing reactance D rotor reactance

1 Answers  

---

Why Transistors are not used as switching devices?

15 Answers  

---

Why DG set rating in KVA

13 Answers   Crompton Greaves,

---

Draw torque - speed curve and load curve of induction motor? mark operating point ?

0 Answers  

---

how to can we synchronize different capacity of DG sets.60kva& 250kva?

2 Answers   Power Plant,

---

how to calculate the transformer losses.

4 Answers   Cipla,

---

please explain how to do 'pole drop test' on generator?

0 Answers  

---