In Panels Main Incomer considered should be TPN or FP?

2 Answers  

---

1.What is the proper definition of power system stability? 2.some times a blue spark is visible in the secondary side of a distribution transformer at the contact position of bushings and fuse wire,why?

1 Answers  

---

What are the difference between these terms ? e.m.f, voltage, potential, potential difference, current etc? what are the difference between these terms ? (electromotive force) e.m.f, voltage, potential, potential difference, reference potential, reference potential difference, current. How can i explain and describe these all terms in single line each and little more explaination too thanks

2 Answers   Siemens,

---

What is highest size of HT motor like 11 kv or 33 kv,and how to make it 750 rpm.i think the size will be very big.any idea ? pl. reply..

0 Answers   ABB,

---

how does grading rings & spacers in transmission line works? Working Principle?

0 Answers  

---

What causal system?

1 Answers   NTPC,

---

How do i right a ladder diagram that has 1 actuator that performs a full stroke followed by a half stroke

0 Answers   Tata Motors,

---

How to maintain ac plant?

0 Answers   HCL,

---

How many watts required for single phase power supply?

4 Answers  

---

What is ramp signal?

0 Answers  

---

what is the importance of earthing system on the generators big capacity and small?

0 Answers  

---

what is the purpose of interpose t/f in control and relay ckts?

2 Answers  

---