Show formula which gives full load current 4.8 amps of a 3 HP motor and 27 amps of a 20 HP motor having 3 phase 460 volts, 0.8 Pf.

2 Answers  

---

I am working on a 11KV system with fault current of 40KA for 1 second. I have selected 2500MVA 11/0.433KV transformer. How can i find the impedance value for this transformer? Please help me.

2 Answers   PPL,

---

explain wiring system

0 Answers  

---

why it is mentioned as 8/10 mva transformer why not directly 8mva or 10mva transformer. please explain me the full detailed reason.

4 Answers   Qatar Gas,

---

why is a avtomatic voltage regulator used for?

5 Answers  

---

---

How to test transformer

1 Answers  

---

How to calculate amount of copper used in a motor (AC&DC), generator and transformer? Datasheet provides power rating and mass of the equipment....can we somehow use this available info.

1 Answers  

---

transformer test

4 Answers  

---

why ht alternators gland plats using brass?

1 Answers   ONGC,

---

what is transformer

5 Answers   Aegis,

---

Earth bits close or open. Which is correct

0 Answers  

---

Can HT cable(11kv cable) be used for 415V, 700A requirement.

5 Answers  

---