Answer / amit rajak

Alternating Current is considerably easy in handling as
compared to Direct Current which actually needs some
additional devices for its regulation and control

and also
dangerous if a person comes in direct contact of dc.


and also
Alternating current has also efficiency more tnan Direct
Current

If 3-Ph motor of same rating connected in Delta & Star for same load one by one then which connection take more current in running (not in starting)for full load.(eg 8.5 KW,3-Ph 400 V)

1 Answers   GE,

---

what is pf. how to calculate capacitor bank value to maintain unity pf.

18 Answers   JH, Saint Gobain, Supreme Treves,

---

for 100 HP Induction motor service factor is 1.2(SF) we placed a VFD at the motor side load is balance with 0.3 Amp's Phase to Phase but at incoming of VFD load is un-balance with 10 to 20 Amp's what will be cause of load un balance

0 Answers  

---

what is cathodic protection and why it use in industries?

0 Answers  

---

what is mean by NTPC?,why didn't electric shock in train?

7 Answers  

---

---

2 t/f operating in parallel will share the load according 2 their- a)leakage reactance,b)pu impedence,c)efficiency,d) rating.

1 Answers  

---

what is reactive power and active power

4 Answers  

---

why two contacts(in series) are using in closing circuit

3 Answers  

---

when the supply of MSEB is cut off & all the load of the industry is driven on generator at that time the capacitor which is connected in industry for power factor control is switched off why?

1 Answers  

---

to improve the existing power factor whether capacitors have to be added in series or parallel.and why

3 Answers  

---

what is the difference between gas group b and gas group c electrical equipment construction wise?

0 Answers  

---

how to give earthing in plain?

0 Answers  

---