Answer / parth

Diode fuse is generally use in solar panel. Where it is necessary to control current value and direction of current because we have to block current flow from grid to solar panel and we have to limit current.

A copper wire of length l and diameter d has potential difference V applied at its two ends. The drift velocity is vd. If the diameter of wire is made d/3, then drift velocity becomes

1 Answers  

---

What happen when neutral point connected to core balance current transformer? (Neutral point of an alternator of a 180KVA DG. Neutral point connected to CBCT means enter to the CBCT)

0 Answers   Great Eastern Energy Corporation Ltd,

---

What are chief characteristics of state-space method and its techniques ?

0 Answers   Limton,

---

what is the relation between reactive power and power factor for the what is the limit of reactive power and power factor

0 Answers  

---

what should be the air clearence between phase to phase, phase to earth in Medium voltage switchgear for 3.3kv,6.6kv,11kv,22kv and 33kv? Which is to be referred for this?

1 Answers   DLF, Sanmar, SEC,

---

photo conductive cell

4 Answers   Bhel,

---

I have recently seen a transformer which had two primary terminals and was connected between two lines,i would like to know what kind of transformer is it?short discription about it,any advantages,purpose of usage of the same.............

8 Answers  

---

why do we use magnetic contactors ?circuit breakers are not enough?

5 Answers  

---

what is the difference between delta-delta, delta-star transformer???

3 Answers  

---

when ac current flows thru d coil of a contactr,it energizes,magnetic field attracts d contact of the coil...nw wont dt ac current in d contct induce current back on to d coil thru mutual inductance leading to high currnt in d coil

0 Answers  

---

DG drop how much freqency at 100% load?

3 Answers  

---

what is the higest transmission voltage and generated voltage in india

14 Answers  

---