Answer / ashutosh

it is used in the distance protection

Answer / siva

Impedance relay or mho relay are used in HT transmission to
reduce voltage drop. it mean it can be used as distance relay.

Answer / mukhesh

imp relay used in medium tr lines hv and ehv also used
asa distance realy

how to carry out Magnetizing Current Test on Distribution transformer and what purpose we are doing this test.

1 Answers   CPCL,

---

what is the difference between VARIAC,AUTO TRANSFORMER,DIMMERSTAT.

10 Answers  

---

what iz second and fifth hormonics please explain

1 Answers   Satia,

---

I have 10 amp MCB for my air conditioner of 1.5 ton capacity. When I connect the ac direct it is started running but when connected through stabliser the Mcb Get trip and air conditioner couldn't start.please confirm whether Mcb is required to be upgraded to 20 amp. There is no fault in ac and the stabliser. Please advice the reason of tripping the mcb when connected through the stabliser.

1 Answers  

---

how to identify small motor and generator?

1 Answers  

---

---

1 ton aircondition(AC)consume how much watt?

6 Answers   Indus Towers,

---

when we use neutral line as grounding.

1 Answers  

---

Can we pass 11kv power in 1.1kV voltage grade cable.If not why?.

3 Answers  

---

If the supply voltage is same (say 440V) whether a system designed for 60 Hz frequency will work with 50 Hz frequency or not , if so pl. give clarification.

11 Answers   ABB,

---

why we testing the core balance of the transformer before comissioning?

0 Answers  

---

what is the use of neutral displacement relay

1 Answers   OCL,

---

why the earth conductor in top of the tranmission line ?

2 Answers  

---