Answer / 3nath

delta connection is used where high terminal voltage is required
star connection is used where high current is required

Answer / ashok mishra

star connection is used where nutral terminal is required
usually 11/.440 kv transformer

what are the disadvantages in GIS over AIS

0 Answers   Tata Steel Limited,

---

what is the principle of synchronous motors?

3 Answers   The Grand,

---

Is there any guideline say about display of earthing value near to earth pit

0 Answers  

---

Help need in transformer !? Hello Friends The parameters of 2300/230 v 50hz t/f is R1=0.286 ohm R`2=0.319 ohm Rc=240 ohm X1=0.73 ohm X`2=0.73 ohm Xm=49.2 ohm Secondary Load impedance ZL=0.387+J0.29 solve the exact equivalent circuit with normal voltage across primery.. I know every thing but i cant find CURRENT I1=? and I`2=? Please help me give solution or only Formula please please...

0 Answers  

---

What are various accuracy classes of CT(Current Transformer)

1 Answers  

---

---

what is per unit calculation?looking for simple and strong explanation thk u

0 Answers  

---

What is transmission line potential gradiant?

1 Answers  

---

Where burned of electricity,when,who, & why.

0 Answers   NIGP,

---

how i define power factor when some one ask me ,,,,,what is power factor ,,,,,pleas define it simple. (pleas dont use these worlds ,,the difrence bitween apparent power and actual power is power facter )

1 Answers  

---

Instead of single phase(220), if apply Phase to phase supply (eg: for lighting fixture). what will be the power formula? what will be the volt and current value? please explain me with some example.

1 Answers  

---

What is difference between stable and steady?

1 Answers  

---

Describe the colour rendering properties of i) tungsten filament lamps ii) tubular fluorescent lamp

0 Answers  

---