What is the necessary condition for stability.

0 Answers  

---

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

0 Answers   DRJ ARDE,

---

Why we use series reactor in power system?

9 Answers   Cadbury, HEG, Uttam,

---

what are the differant std sizes of cable trenches?

0 Answers  

---

how we can use resistance heating for any domestic purpose???

2 Answers  

---

how to understand the controling circuits example star- delta-starter controling daigram please let me know

3 Answers   GMR,

---

What is the output of below program? #include <stdio.h> int main() { int p,q; for(p=1,q=1;p<7;p++) { printf("%d%d__",p,q); } return 0; } Answers- 1. 17__27__37__47__57__67__ 2. 11__21__31__41__51__61__ 3. __11__21__31__41__51__61__ 4. Compilation error

1 Answers  

---

How is the percentage impedence of a transformer fixed at design stage???

0 Answers  

---

How can we calculate the Rating of DG Set for a 4 kw motor?

3 Answers  

---

We have one Energy meter for Measuring the voltage,current,power,energy(KWH,KVARH,KVAH) & power factor.The problem is that the meter does not show whether the PF is lagging or leading.So i want to know that is there any way or calculation to find out that whether the PF sign (lagging or leading) depending upon the above mentioned parameters?

4 Answers  

---

what is RTD? what is THERMOCOUPLE? What is difference between it?

2 Answers   Bhel,

---

why onlyseries motors are used as universal motors? why not shunt?

4 Answers   TCS,

---