Answer / shibil

Types of Relays:

1.overcurrent relay
2.Earthfault relay
3.Motor protection Relay
4.Generator protection Relay
5.Bus Bar protection relay
6.Distance relay

HOW TO MEASSURED THE AMPS RATING FOR SUITABLE CABLE SIZE?

4 Answers  

---

can you show me the components inside a air circuit breaker with connection diagram?

1 Answers  

---

How to checking sld drawingas and control drawings

1 Answers  

---

what is the acceptable earth resistance value ?

4 Answers  

---

AL=0B9H,bl=75H, ADD AL,BL AL=____________? CF________? OF___________?

0 Answers  

---

What is mathematical model of a control system?

0 Answers  

---

Do I need a special Transformer to put 240 VAC 3 phase into it and and get 480 VAC 3 phase out of it to run a machine? Or, do I just use an ordinary step down transformer and step up the voltage? Thanks

2 Answers  

---

If R and Y terminals are short circuited,then power will cut. we all know that power cannot be stored.what will happen to already generated power at power station?

3 Answers  

---

what is effect of unbalaced load -- say R 15A, Y 25A, B 10A

4 Answers   TransWorks,

---

sir i am fresher.can you please tell me how can i get certificate of competency as electrical supervisor.

1 Answers   ONGC,

---

how induction motor starts?

4 Answers   JSL,

---

Does increase or decrease of reactive load affects the Voltage.

5 Answers   Nalco,

---