What is the functaion of IGBT in UPS system?

1 Answers  

---

HOW WE CHOOSE EARTH'S POTENTIAL AS ZERO V?

0 Answers  

---

I Need standard operation procedure(SOP)for 500kva Oil type transformer oil filtration & Procedure for IR value checking.

0 Answers   Reliance,

---

What are the main Electrical IS rules?

3 Answers  

---

what is a types of short circuit and what is a types of distance protection tests

0 Answers   Anna University,

---

---

what is the different between Switch & Circuit Breaker?

9 Answers  

---

what is the diff between mcb and vcb

3 Answers  

---

What is the maximum advisable distance where it is required to interconnect a 500 KVA 480 V 3 ph transformer and the main panel or MCC ignoring the voltage droop affectation, does it is exist any standard about it?

2 Answers  

---

for a 132/33kv transformer secondary is star and is connected to NER. and from secondary a cable is running to 33kv swbd. since the cable is single core do i have to run neutral cable also to 33kv swbd.???

5 Answers   PowerTech,

---

what is earthing/

3 Answers   B.Tech, CPCL, Mobiserv,

---

how electrical earthing maintenance done in industry?

0 Answers   L&T,

---

what is the rating of a power transformer?

1 Answers   ACME,

---