What is difference between VCB and SF6 breaker

4 Answers  

---

Hi,Any one has idea regarding the KPTCL Recuirtments for AE'e & JE's for the year of 2009-10???Kindly help in regards..

1 Answers  

---

IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace.

1 Answers   Jindal,

---

What fomula is used to calculate: 1. rated frequency withstand voltage, and 2. rated lightning impulse withstand voltage.

0 Answers   PNG Power,

---

can we use 3 phase UPS for Motors and Other Machines

4 Answers   ACC,

---

---

in non technical way how can u define POWER FACTOR??

0 Answers  

---

it is possible to run 130V AC and 230 V AC cables run in same tray

2 Answers  

---

How damper winding in synchronous motor suppress Hunting?

2 Answers   Bhel,

---

What is the concept of voltage & current its relation?

5 Answers  

---

what is current

5 Answers  

---

why neutral is neccessary?

7 Answers  

---

new 90kw motor installed so how I purchased cable ,fuse,etc please give me technic for cable selected why always capacitor delta connection

0 Answers  

---