how to calculate a cable size while load is given in amp or kw and length is also define.?

1 Answers  

---

i have 2kv ups how many watts batteries is required

2 Answers  

---

short circuit test of transformer gives what?

9 Answers   NTPC,

---

What will be the resultant out put voltage when two different voltage rating batteries are vconnected in parallel? pls. answer with example if available.

1 Answers  

---

What is the Difference Between the SCADA & PLC ? Both it also control and Supervise Then what Special in Scada & PLC?

1 Answers  

---

Why transformer rating is represent in KVA?

7 Answers   Bhel, Sonalika, Usha Martin, Wipro,

---

What is knee point voltage of transformer?

0 Answers   Nabard,

---

What are the main parts of VCB?

12 Answers  

---

what is meant by reactive power ,active power & real power ? thank you

2 Answers  

---

What is OLTC in transformers and what is its function?

4 Answers  

---

which protection function should measure RMS value of current&DFT value of current?

0 Answers  

---

why use celling fan wing is two or three ?

2 Answers  

---