Answer / raviahir

Relay sense the
fault nd suply
information to
circuit breaker

Answer / gtmanikandan

Protection relay is device detect the fault trip faulty section of power system

Why are the laminations insulated from each other?

0 Answers  

---

how to can we synchronize different capacity of DG sets.60kva& 250kva?

2 Answers   Power Plant,

---

what is gridrotor resistance starter

0 Answers  

---

11kv/433v delta/star distribution transformer primary side full load Ht current is 83.33A in , but input side VCB rating 800A.why?

0 Answers  

---

if a 3phase 100kva distribution transformer , 400 v,50 hz, 4-wire system is loaded at 160 k.w mostly 1-phase Lighting & Airconditioning split a.c load what will be the net effect on the power system in terms of voltage, powerfactor, current , efficiency of xformer

1 Answers  

---

Is it true that in the 3 phase transformer, the limbs of the core are at 45 dgrees to each other. if true, why?

0 Answers  

---

what is the operation of regulator in fan?

4 Answers   NTPC,

---

Can we use both Electrical & mechanical interlock between tow breakers? if yes how, please explain

0 Answers  

---

What is VFD, and how its work

5 Answers  

---

why corona ring is used in out door switchyard lightning arrestor

3 Answers  

---

If induction motor load is incresed motor speed decrases.But in syncronous motor load incrases speed canstant why?

5 Answers  

---

Why used in netural grounding transformer for netural side

2 Answers  

---