Answer / iamdon

Surge arrester povides a low resistive path for lightning
and switching surges and thus diverting it through the low
resistive path,hence protect the device.

Surge suppresser reduce the peak and rate of rise of
switching surges.

Modern days line designes are mainly based on switching
surges.

Author:arbelectbit@yahoo.com

how to find out this one mcb r mccb?

4 Answers   L&T,

---

FOR 16/20 MVA 132/33 KV ONAN/ONAF TYPE TRANSFORMER IT IS DESIGNED FOR 16 MVA WITH ONAN CONDITION.IT BECOMES 20 MVA UNDER ONAF CONDITION.LOAD LOSS IS GUARANTEED FOR 65KW AT 20 MVA AND % IMPEDANCE 13.75. PLEASE TELL US AT WHAT LOAD LOSS AND % IMPEDANCE IT SHOULD BE DESIGNED FOR 16 MVA AND WHAT WILL BE ITS EFFICIENCY AT 20 MVA?

0 Answers  

---

Why high voltage lines (overhead ) are called high tension lines?

8 Answers  

---

I meggared my 2c*70 sq mm AL AR XLPE cable. its one end show 50 M ohm . is my cable is safe for laying. I have only one phase and neutral.

0 Answers  

---

Sir I want questions for rrb sec technician gr III (electrical)

1 Answers   RRB,

---

describe the phenomena of vacuum interruption in C.B

0 Answers  

---

In UPFC,What is the need for Dc link ( DC capatior)?

1 Answers  

---

what do you mean electrical earth pit?

2 Answers   Enercon,

---

Why is it that variation allowed in supply voltage to motors is (+ or -)10 %, whereas that in frequency is (+ or - )5 %

3 Answers  

---

How single phase & 3 phase motor select rotating direction ie clockwise/anticlockwise

6 Answers   DRJ ARDE,

---

what is earth pit , how we can measured it, what earth rods reference

0 Answers   ups,

---

i HP = ?? 746 watts or 735.5 and how??

1 Answers  

---