what is differential relay in power transformer??

8 Answers  

---

what is dry and wet frequency withstand voltage? why & where it is used??

0 Answers  

---

why we need to us lenz's law for synchornous motor

0 Answers   Tata Elxsi,

---

Can any one help me how to set an overload set the range from 2.8A to 4A , rated motor current 22A, CT 60/5A

2 Answers  

---

what is the prinsiple of dc motor and construction and working ,application of dc motor.

0 Answers  

---

What is derating?, Why it is necessary, it is same for all means for drives, motors,and cables.

1 Answers  

---

what is AH of battery

6 Answers   NSIC,

---

What is SF6 Circuit Breaker?

10 Answers   Sodexo,

---

what do you mean by every IC 74 first digit.why are you using this no.why not using another no.

0 Answers   Jaypee,

---

if a motor is running at 1500rpm then how you can find its HP

1 Answers   Construction,

---

why capacitor bank shorted by resistance ( 3 terminal )

1 Answers  

---

what are the various parts of airconditioning system used in train and its working

1 Answers  

---