Answer / prakesh

1) select rotory compressor.
2) star reating

Why the arms of delta in a delta-wye power transmission system are kept constant??

0 Answers  

---

Impedance relay is directional relay or non directional relay?

2 Answers   KSEB, NTDC,

---

what is the function of starter & choke in the tube light set & how choke give 1000 volts while switching on.

14 Answers   ADNOC Abu Dhabi National Oil Company, IBM,

---

why transformer donot allow the dc?

17 Answers   ONGC,

---

What is the use of Exciter in generator? & what will be the current of Exciter in 500 KVA DG Set?

2 Answers  

---

---

What is power factor ?What are the benefits of improved power factor & how. Please explain with examples.?

5 Answers   ABB,

---

The error in a single phase energy meter where pressure coil lags behind applied voltage by 88 degrees and pf is 1) upf 2).5lag

1 Answers   GATE,

---

WHAT IS THE MEANING OF BALANCED / UNBALANCED IN STABILIZER TYPES.

0 Answers  

---

what is the difference between ground, earth and neutral?????????....

1 Answers  

---

hi every body i am master student in control engineering and my project is slip control in trains i assumed a Dc motore as traction motor but i don't have characteristics of this kind of motor that is used in train. i want from every body if he or she has the characteristics or information about Dc motor that is used in train give me those information or technical characteristics .

0 Answers  

---

From the point of view of accuracy in the Measurement of Electrical energy should we select a potential transformer or a capacitor voltage transformers?.Kindly support your reply with reason and justification.

1 Answers  

---

what type of insulation is used for over head lines?

4 Answers   NTPC, WS,

---