What is the formula for calculating transformer Efficiency?

2 Answers  

---

what is the reason of capacitor failure in alternator which is working with 10 kva dgset

0 Answers  

---

we have 3*1 MW generator one NGR is common for all it will be selected during paralle our problem is two generator ca be paralled but when slecting third one we need to close NGR selection on third one other wise voltage not matching why?

1 Answers  

---

ple send to the how to improve the efficiency & economical to the thermal power plant

1 Answers  

---

How can we Run three phase motor when only single or two phase supply is available ??

3 Answers  

---

Define relative stability.

0 Answers  

---

why pure sine wave inverter used for desktop ?

1 Answers  

---

Send me Model Question paper for the post Scientific Assistant in NPCIL

0 Answers  

---

why do fans generally rotate in anti clock wise direction??

2 Answers   BMS, FIS, IBM,

---

WHAT IS FORMULA TO KNOW TO BACKUP TIME OF POWER PLANT 48V/50AMP DELTA POWER PLANT

1 Answers  

---

electrical machines

3 Answers  

---

how we can check new PT ? without name plate.

1 Answers   Indo Power Projects,

---