Answer / anand yadav

Reverse power protection is used to avoid the generator running as motor, if the prime mover speed drops then generator will become a motor, it will load the other power source and will affect the power factor a lot.

How to calculate motor current for 3 ph & 1 Ph motor from KW rating?

3 Answers  

---

hi pal, i am vengatesh from tamilnadu(chidambaram),i have called for the written test for the post of jr executive(ELECTRICAL) of AAI ,I dont know about the question paper pattern,so any kindly help me to face the examination,post me the model question papers and some tips to write my examination to (vengi.annadurai@gmail.com)

0 Answers  

---

how we control the magnitude of a generator output

2 Answers   EESINT,

---

what about GD square and its important for motor design?

0 Answers   Innovis, MNC,

---

what is tri state logic gate

0 Answers  

---

---

what is the advantage of connecting capacitors in delta than in star?

1 Answers   NTPC,

---

what's the difference between 'shaft power demand' and 'BHP' , when we consider electrical load list.

0 Answers   HEC,

---

if ELCB and RCCB connected in series,what wiil be the result

2 Answers   BEC,

---

In generation,transmission and distribution voltage frequency is either 50HZ or 60 HZ;why are only these frequencies?

2 Answers  

---

In domestic supply, when neutral touches earth the earth leakage trips. Does this mean that if the star (neutral) point of an alternator is earthed that power will flow to earth i.e. a direct short to earth?

1 Answers  

---

The following equipment are installed ia a plant 1. 110KW Induction motor 4 Nos 2. 30 HP motor 3 Nos 3 15 HP Motor 3 Nos 4 7.5 HP motor 4 Nos what is total load of plant if one of each is stand by.

3 Answers   Blue Star,

---

what are the specifications we must look at to select a relay for any capacity motor?

0 Answers  

---