Answer / shimin

Because the value of permittivity of free space is very small compared to permeability of free space.

Where is the best place to mount  distribution panel in a house.

0 Answers   Wantro Technical Services,

---

No load tap changing transformer working

0 Answers  

---

During the main stator winding insulation testing (phase to ground)of 11kv alternator (Lerysomer) i found 0 and resistance with multimeter and found 20 killo ohm while the power cables are connected both end (Generator & VCB). In VCB PT (Potential transformer) are connected. Please any body explain that method of insulation is correct or not? also describe of PT connections

1 Answers   Private,

---

What is Toroid?. What is the difference between toroid and Current Transformer

1 Answers   DAE,

---

Why current transformers are rated in BURDEN instead of VA?

4 Answers   Bhel,

---

what happens when the transformer is connected to DC supply?

4 Answers  

---

how to calculate short circuit breaking capacity KA for 2500kva 33kv transformer.

0 Answers  

---

how one can know the charging time, discharging time of a 12 VDC battery ? If i have a battery of 12 VDC , 4.0 AH , how long will it take to charge from a charger (power supply) of input 220 V , Output 15 V and output current of 3000 mA and how long will it take to discharge whether using or not ? How much backup will it give ?

1 Answers   ONGC,

---

Do Phase angle measurement have any application in freq/harmonics measurement? If so how?

0 Answers  

---

What is the Different between CT Class-0.2 & Class-0.2s ?

3 Answers  

---

what is lxr?

0 Answers   NTPC,

---

What is meant by locking of rotor in synchronous motor? Explain me locking in detail?

3 Answers  

---