Answer / neeraj agrawal

kw is active power and kva is total power
kw=kva x cos(phi)

why occ characteristics curve in not tracing back when we are bringing back the rhoestat?

0 Answers  

---

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

0 Answers  

---

If we give the 440 V supply at secondary winding of the transformer then what will affect at primary winding???????

6 Answers  

---

how rated the neutral voltage of transformer and reactor, e.g. 400/220, 200MVA transformer have neutral voltage of 33kv. and reactor voltage 145kv. how this rating decided?

1 Answers   MEIL,

---

is there or does RCCB work for single phase connection?

2 Answers  

---

differentional compound gernater used for wielding porpose. why????????//

2 Answers  

---

Define cuttoff frequency?

0 Answers  

---

Our Slip Ring Induction Motor Frequently tripped By Earth Fault While Starting time and in Normal Operation Time also Kindly Let me Know the Reason. Application Ball Mill - Cement Mill

1 Answers  

---

how can we calculate the current

3 Answers  

---

why electron not flow in open loop,how they know path is open ?

3 Answers  

---

How can we get electric power from lighting ?

3 Answers   TATA,

---

dear all, How do i increase UPS (1000VA)backup time ? i have connected 2 12v wold you please 120 aH battery externally. ups charge the lead acid battery only 12.7 volt. backup time only 10.00 minuts and gose off. can any one of you help me?

1 Answers   Technomax, ups,

---