Which of the following are the important limitations of rod gap surge arresters? 1. They are not capable of selling off power frequency follow up current. 2. After a discharge, the rods are destroyed completely. 3. Performance is affected by climatic conditions. Use the following codes for selecting the correct answer. Codes: (a)1, 2 and 3 (b)1 and 2 (c)2 and 3 (d)1 and 3

1 Answers  

---

what is SWA type of cable?????

4 Answers  

---

I am working on a 11KV system with fault current of 40KA for 1 second. I have selected 2500MVA 11/0.433KV transformer. How can i find the impedance value for this transformer? Please help me.

2 Answers   PPL,

---

what is ideal insulator. what are its parameter. Is poecelain insulator comes under this category.

3 Answers  

---

What is the difference between Ac curent & DC current

2 Answers   Juniper Networks,

---

---

What is the tests required for a 132 kV, 400 kV , 765 kV for a Circuit Breaker and Power Transformer before commissioning ?

0 Answers   Eprosys Engineering Consultants,

---

Why are the HV motors are connected in star connection?

5 Answers  

---

Do closed loop systems require manual input?

0 Answers   GE,

---

explain me how a power factor is improved by adding a capacitor?what capacitor do to improve it?in simple words and in detail?thx

7 Answers  

---

when motor taking high amp what happen.

4 Answers  

---

what is the relation bw voltage and F in capacitor?

3 Answers   TATA, Tata Motors,

---

if you are in a software company,then why do you want to come in a core company like sail, ntpc(where lots of trouble like tension but you have a good life in a it company) ?

0 Answers   Sail,

---