Answer / s.sarkar

directional over current relay activates on flow of fault
current in perticular direction however non
directional over current relay activate for fault current
above setting.

Answer / kumar

Mr.Sarkar thanks for your answer .Can you just explain the
same ?

why the generating voltage in India is 11kV or why is it be transmitted as multiples of 11

34 Answers   ACC, Bhel, ECI Engineering and Construction, NTPC, SBL, Senthur Power Services,

---

how can we connect a distance relay to CT core that is for backup protection or metering?

1 Answers  

---

What is A.C Resistance for Earthing ?

2 Answers  

---

what is the use of sdf?

0 Answers   Areva, SWAN,

---

what is the difference between Earth and neutral? and what is the difference between ground earthing and neutral earthing?

2 Answers  

---

What is the Full form of Rccb,MCCB,

11 Answers   Marriott, Maruti Suzuki, MCB, PCC, RCCB, Torrent Pharma,

---

why do we put a transformer on soak before loading it

0 Answers  

---

please explain power factor in simple words.....

3 Answers  

---

how much winding resistance of 0.75kw to 12.5kw 3ph sqwiralcage induction motor?

0 Answers  

---

Why we Specify Transformer rating 433 V Instead of 415V ?

8 Answers   ABB, ERA, Uddans,

---

What happened when the field winding of dc series motor is open?

2 Answers   Bhel,

---

What are the components ofan HT panel in a 11kv power station?

2 Answers   Reliance,

---