Answer / 7anoter4

See:
ewh.ieee.org/soc/pes/iwg/Publications/Insulators101PanelFina
lA.ppt

I have 30KW Motor Starter Panel, System voltage is 480V, So i have to convert voltage 480 to 220V to give the contactor coil. How i can select control transformer, Which rating transformer i can use this panel, what is the procedure, please tell me.

2 Answers  

---

why not use capacitor in Dg sets.

10 Answers   Birla,

---

what is the relation between Sq mm of wire and its current carrying capacity?

5 Answers   Finolex,

---

what is mind in cable

0 Answers   BARC,

---

HOW MANY POLES ARE THERE IN 3 SLOTS PER POLE PER PHASE MOTOR

2 Answers  

---

Is single load(eg: three phase motor) having all the components like positive,negative,zero sequence components during fault condition?

0 Answers  

---

3. What is Impedance Voltage in Transformer?

16 Answers   KESC, L&T, Torrent Power,

---

what is the difference between H.T Or HV lines...?

1 Answers  

---

Which device of PlC does share load between DG sets when DG are running in perallel?

0 Answers  

---

How we calculate the current carrying capacity of H.T. cabel?

0 Answers   Bhel,

---

ho can we calculate the conductor insulation value according to their ratings like voltage,current etc.how insulation value related with voltage,current and power of amachine

0 Answers  

---

What is the rotor frequency of 10 Hp 1440 RPM 50HZ 415V ?

0 Answers  

---