Why a Transformer Noise during its running condition ??

11 Answers   NTPC, UPPCL,

---

What will happen if we introduce negative feedback to a control system that uses a positive feedback?

0 Answers   GE,

---

what is the illumination level required for child play area?

0 Answers  

---

where used of HVDS system.

3 Answers  

---

what are the compensations considered while designing a transmmision line.

1 Answers  

---

why we are called the 4-20ma transducer,not 0-20 ma transducer??

3 Answers  

---

What is ment by KVAR and what are the advantage&dis- advantages of KVAR

2 Answers  

---

Please brief working principle & construction of permanent magnet AC Servo motor

0 Answers   DRJ ARDE,

---

What is Harmonic affects in power system. what is unit of harmonics and how to measure it. how much value should be in power system.

1 Answers  

---

What happen if two protection core (3p) of VT in LAVT are 11kv/root3, 110v/root3 and one protection core (3p) is 11kv/root3, 110v/3

1 Answers  

---

Define the "All - Day Efficiency" of a Transformer

1 Answers   Transco,

---

What is the main purpose of relay?

1 Answers  

---