Answer / e.subhash

Knee point voltage is coming only in CT PS core

how we can calculate cable size for any load & any type of cable material ?

1 Answers  

---

what do you mean by cl PS CTs? What are technical details required for it's manufacturing?

1 Answers  

---

why phase always came one direction in 5pin socket(right hand or left hand) which direction and why..........?

4 Answers   Alstom, L&T,

---

Why R ph of Hv and Lv is shorted or joined together while taking vector group?

1 Answers   IOCL,

---

What is the diffrece between ACB & MCCB

8 Answers  

---

why is that a 4*4mm cable,is always powdered internally

3 Answers   Construction, L&T,

---

What are the RGGVY, APDRP, RE?

3 Answers  

---

why we still use sinusoidal waveforms for transmission and utilisation (we know generation is sinusoidal), instead of other ac waveforms such as triangle, sawtooth, square etc.,? is there any mathematical derivations to prove sinusoidal is efficient than others?

1 Answers  

---

If you see the HRC fuse name plate. Its shown ampere rating shown which is in many KA (like 80KA and so on). any body explain what is meaning of this value?

7 Answers  

---

What are the types of Transformer? Name them.

9 Answers   Bhel, HSL, NTPC,

---

I want to know what must the CT ratio be on a load of 300A is a 3PH nutral to earh installation?

4 Answers  

---

explain why the secondary terminal of current transformer should not be lift open circuited.

2 Answers  

---