In synchronous motor, how the field current is related to armature current..i know its inversely proportional..but concept wise...i was nt clear....pls help me...

0 Answers   Siemens,

---

How do the synchronizing lamps indicate the correctness of phase sequence between existing and incoming alternators?

0 Answers   VECL,

---

An electric bulb giving light but at the time of lighting which one it takes? voltage or current

6 Answers  

---

If a motor of 30KW rating &200 mtrs distance from feeder give me the cable size selection calculation?

0 Answers  

---

what is safety measures of transformers.

16 Answers   Amtek, Hotel Jobs, HP, RMU, SKFM, Taj Group,

---

What are the different types of VVVF Drive ?

2 Answers  

---

whats was the problem if neutral and earth got 2volt from the ups output

1 Answers  

---

Define heating time constant of electric motor.

3 Answers  

---

How to Calculate the current drain in the battery (1.4V) for the 2mins time period?

7 Answers  

---

What is pi controller?

0 Answers  

---

what is deffrent alternatid and gernater

2 Answers  

---

what type of oil is used in transformers? a)conduting b) insulating

25 Answers   ABB, LGS,

---