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

Write the formula for Fault MVA, Fault current, Base MVA.

2 Answers  

---

what is self commutation how a thyristor discharges through a capacitor and inductor

3 Answers  

---

We have received supplies of the ordered material. payments against the supplies also released. Where ST paid 4% against form C. Meanwhile it has been observed that 25% of material supplied was defective. Please suggest whether the issuance of C form from our side would be stopped till settlement of liabilities.

0 Answers  

---

Whether 3 phase induction motorwith 100 hp capacity , Amp 160 for which sensitive earth fault relay , type CTUM 15 can be used?

0 Answers   ONGC,

---

examples of resistive inductive and capacitive load

1 Answers  

---

why surge protectetor work explain with the help of circut diagram?

0 Answers  

---

What is the formula for selecting the cabels according to load? How to calculate what sq.mm cabel to be used?

0 Answers  

---

what are the types of starter ?

25 Answers   Andhra Sugars, Bhel, Eveready, HyFun Foods, Jindal, ME, Valeo Lighting Systems India Private Limited,

---

how can we can take BDV test in transformer?

5 Answers  

---

Calculation for the adequacy of 380 KVA neutral earth flat size

1 Answers   Electrical,

---

Why do we need interlocking in a HT metering or Ring main unit switchgear?

0 Answers  

---

hi friends how 3 phase converter functioning ?what is working principle of rotory phase converter ?

0 Answers  

---