What is the de rating factor of cable? What is the importance of the de rating factor in cable selection?

0 Answers  

---

What do you mean by pf of a generator? Power factor purely depends on the load (wether inductive, reactive or unity) then what does the pf mentioned on the generator nameplate means?

3 Answers  

---

When should I use earth leakage circuit breaker for incomer and when should I use it for each feeder seperately?

1 Answers  

---

How to calculate amount of copper used in a motor (AC&DC), generator and transformer? Datasheet provides power rating and mass of the equipment....can we somehow use this available info.

1 Answers  

---

what does the word synchronous mean in 'synchronous machine'

3 Answers  

---

what is the principal of transformer?

2 Answers  

---

difference between the applicability of nortons and thevenin theorem

0 Answers  

---

WHY LINK NOT A FUSE IN AC CIRCUIT

3 Answers  

---

whats relation b/w motor current & friqency

1 Answers  

---

How to select, design,size & calculate for 11 KV/33KV/66KV/132KV/220 KV/440 KV circuit breaker for HT side of transformer protection/HT distribution protection?

0 Answers   Panacea,

---

1) What is difference b/w impedence relay and differential relay? 2) what are substations equipments? 3) what is difference b/w circuit breaker and isolator? 4)what are the types of circuit breakers? 5) which medium is mostlty used in circuit breakers and why it is used?

1 Answers   NTDC,

---

Where I can get the sample question for post of Junior engineer electrical-II For RRB Bhubaneswar.

0 Answers   Noida Power,

---