Answer / engr.masoodali

to get overall efficiency of diesel generator set u have to consider following things alo
1 mechanical efficiency of engine usaully 80-85%
2 efficiency of generator 95- 98%
overall efficiency = thermal * mechanical * generator

Answer / anand kr tiwari

Overall efficiency=

KW generated /(mass of fuelx CV of fuel)

what is the meaning of 16/20 mva of transformer

7 Answers   JSW,

---

why CRGO material used in transformer?

2 Answers   Honda, Yazaki,

---

How can we measure earthing resistance test (Earth meggar) of Transformer neutral pit while in live condition?.

0 Answers  

---

Can we use Motor protection CB while we use the VFD for Speed control?? if not means please tell the reason!!!

1 Answers  

---

what is meant by negative half cycle

2 Answers  

---

The undesirable property of an electrical insulating material is

3 Answers  

---

EHV current carrying parts need to have smooth finish,then how can a 245kv GIS with emery finish can run so long?

0 Answers  

---

respetsed sir, i have applied for section engg and juniour engg for both chennai and tiruvunabthapur boards for electrical deportments . can u suggest what books i have to follow and and also from which sections they r going ask (i mean weightage and what topics i have to cover) for both se and je for both chennai and tiruvunanthapur boards.......

1 Answers  

---

how to failure indution motor insulation & how to improve heat in motor insulation

0 Answers   BHL, EPIL, IFFCO, Micromax,

---

Why inverter rating in KVA?

3 Answers  

---

What are the advantages and disadvantages of oil filled transformers?

2 Answers   Mercantile Marine Department, Studio College,

---

what is meant by LT & HT?

5 Answers   ABB,

---