what is the difference between Central Battery System and UPS in applications and uses? and why UPS suitable for Computers and central battery for emergency lighting?

0 Answers  

---

Double Busbar Scheme for outdoor switch yard system (132kv) step up power plant Hi friends 1. in this system both busbars energized all the time. 2. what is the meaning of main BB and transfer BB, 3. step up transformer connect main bus bar all the time or both BB connected through DS switch . 4.bus sectionalization means ? thank you.

1 Answers   ABC, Gael,

---

what is mppt (maximum power point tracking ) and how they used in solar power generation ??? what are the main components used in mppt?????

0 Answers  

---

HOW DO A DISTANCE RELAY SENSES THE FAULTY ZONE.

5 Answers  

---

Hi friends. m 3 years drop. now d company asks in d interview d reason 4 my drop.what shud b d probable answers 4 that which may not put a negative impression.

2 Answers  

---

What will be the resultant out put voltage when two different voltage rating batteries are vconnected in parallel? pls. answer with example if available.

1 Answers  

---

How to test Alternator stability test for REF relay

0 Answers   Amprotec,

---

What descriptive information does the NEC require to be marked on all conductors?

0 Answers  

---

Why the frequency of a system is changed if the load changes?

5 Answers  

---

How to calulate the NGR resistance ?

1 Answers   L&T,

---

What will happen if 2 phase supply is given to 3 phase motor?

4 Answers   ABC,

---

Explain what happens to the speed of a series motor as the load decreases

1 Answers  

---