Answer / t.c.raghavendran prabhu

Wave trap is known as a high voltage transmission line
communicator and mainly used to avoid the interferences and
unwanted signals caused in the transmission line

Answer / paul

"Line Trap" are used on old HV networks, they are fitted for the interception of inter-trip signals between two connected substations.

The new method is to have a digital communication channel between the substations so the protection at both ends are constantly communicating with each other

Yes the "Line Trap" on each protected circuit has its own tuned frequency.

Answer / aditya dash

Wave trap is used for making high voltage transmission line
for communication.

what is IP55,IP65

2 Answers  

---

My energy meter ratio is -/110/root 3,1A and connected line CT is 100/1,PT is 11kv/110 so what is the MF for meter

1 Answers   Apollo,

---

why the vfd motor take current high in vfd panel then mcc panel.current in vfd panel=160A in 93%.and mcc panel it shows 130A. (132kw motor)

1 Answers  

---

What is the difference between reverse power trip & inadvertant trip?

1 Answers  

---

what is fault level of power system ?

2 Answers   Infosys,

---

Could Please Explain briefly. Why used stabilizing resistance series with High impedance bus differential protection relay.

0 Answers   NCC,

---

What is the difference between Static and servo controlled voltage stablizer?

0 Answers   Voltamp,

---

What are the advantages of autotransformer?

0 Answers  

---

what is sevice settings for mccb?How can be it setted?

0 Answers  

---

why Copper loss is represented as I square R ?

5 Answers   L&T,

---

IN A HT CABLES i.e. 1.9/3/3 kv, what is the meaning of 1.9 and 3.3.

1 Answers  

---

Why Alternator has 0.8 power factor?

2 Answers   Bhel,

---