Answer / guest

the meger is used to test the insuletion of ht &lt cable

Answer / bhoopendra kumar

For Cable IR(Insulation Resistance) value
In Case of HT Motor Meger value is >1 Gigaohms.
In case of LT motor Mager value is >2 Megaohms.

For Motor IR(Insulation Resistance) value
U1 phase to earth >1000 Megaohms.
V1 phase to earth >1000 Megaohms.
W1 phase to earth >1000 Megaohms.

exact definition of reactive power in power system

2 Answers   Sreetech,

---

Why we use three phase world wide why not four phase or five phase being used?

8 Answers  

---

how can we solve the RMS value of alternative Qnty is .707 , explain detail .

2 Answers  

---

What conditions are required for transformer to operate at low frequencies ?

0 Answers  

---

What is Horan Gap Fuse? Where it is used?

1 Answers  

---

---

why ct ratio always rated 5.

1 Answers  

---

what is different between 51N and 51G functions relay?

1 Answers  

---

why rating of motor in HP?

11 Answers  

---

if 2 coil of 1000W connect in series and 200 v is applied across it . then what is the total power of coil when coil have only resistive load .

0 Answers   BSNL,

---

what collector is used for 100kmph-120kmph tracion application?

3 Answers   APTransco,

---

why only exciting current is shown not primary current in transformer???

0 Answers  

---

what is the abbreviation of MIMIC regarding control and relay panels of power systems????

1 Answers   Enercon,

---