Answer / sudhakar g

UPS or DG power genrating machines are always in KVA
because....UPS having the losses like Core and iron thats
why it is rated as VA....other factor is the power factor
we cannot estimate it is inductive or capacitive thats why
it is unity powerfactor....

why DG rating in kva

6 Answers  

---

What is GNR ? How much value of ground neutral resistance?

9 Answers  

---

How to configure the drives in PLC, through Profibus commnication. And to how to address it?

0 Answers  

---

why transformer calling in VA rating

6 Answers  

---

my 10 hp submersible pump is tripping when connected through ELCB.I have checked the megger value of the coil's with body.It was found to be 0.2mega ohm.that is leakage is there.But when connected to mccb it is not tripping.no leakage current in the motor.Is it safe to connect to mccb? what are the problem's will arise if future?also tell me in ELCB no neutral is connected to motor.than how ELCB was working?

1 Answers  

---

Why are the cores of large transformers built up of circular transactions ?

0 Answers  

---

is it ok to switch lights from a mcb instead of switches

5 Answers  

---

How can calculate the earthing strip of Copper/GI for rating of 30kV,discharge current 10KA Lightning arrester.

0 Answers   Raychem RPG,

---

what is CT class? depending upon which it is classified?

3 Answers   Siemens,

---

transformers parts & function of each parts

25 Answers   Amara Raja, Bhutan Ferro Alloys Limited, Breather, Electrical, Electrical Tech, ERDA, GVK, Juniper Networks, Matrix, Mechanical, NFL, Oracle, Pyramid Plastics, RPPL, RRB, Siemens, TCS, Tulip Silk Mills,

---

what will be the effect if we increase the excitation of a alternator??

3 Answers  

---

What are the types of feedback oscillators?

0 Answers  

---