why pure sine wave inverter used for desktop ?

1 Answers  

---

I am getting differential earth fault in my transformer realy , i have checked all its CT & control wiring but do not get fault, Please help

6 Answers  

---

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

3 Answers   Construction, L&T,

---

how to modify DOL control panel into Delta Y connection?

0 Answers   ABB, PDCS,

---

why dose not transformer not rotate ?

3 Answers  

---

what is meant by loss of field in a DC motor? how a universal motor works?

0 Answers  

---

In control room of our one plant there is a continuously the incoming power goes to PC is vary,means in stabilizer it continuously indicate from high input to low and low input to high. what is the reason and its solution.

0 Answers  

---

why we use separate earthing for two seprate machine??

1 Answers  

---

why transmission is done in delta system

4 Answers  

---

what is the highest transmission voltage in India till now?

36 Answers   Bhel, Electrical,

---

One amps in HT is equal to how manys amps in LT

5 Answers  

---

if transmission voltage expressed as the multipple of form factor(1.11)........11,33,66,220 etc......then why madakkathara substation(kerala) voltage is 400kv..not 440.....?

2 Answers   KSEB,

---