What is power factor?How to improve power factor

2 Answers   Tech Mahindra,

---

Generally we denote power in 'p',voltage in 'v'but why can't we denote current in 'c' instead of I.

4 Answers   Bhel,

---

how to calculate the earth fault current

0 Answers  

---

Is it possible to use a S1 duty class motor for crane application (S4)? If not, why?

0 Answers  

---

Anybody know how schematic diagram for reverse power relay? RPR for generator protection

0 Answers  

---

---

What is the purpose of stand by earth fault protection for transformer ?

0 Answers  

---

how calculate external illumintion in a compound area. for e.g. there is one open park having 600m2 area and i have to put 40w flouresent tube fitting with pole. how shall i calculate the numbers of fitting.

1 Answers  

---

how to find out speed of single phase motor

6 Answers   BARC,

---

What is the real use of reactive power in a electrical system other than loss (inductive &capacitive).I want to know its real physical significance.

0 Answers  

---

Thermal withstand capability under full short circuit conditions, in terms of number of times of occurrence of short circuit and corresponding anticipated percentage reduction in transformer life.

0 Answers  

---

What is the unit of charge and current?

0 Answers  

---

what should be distance between phase to phase in 415v system?

1 Answers   NTPC,

---