why needtwo winding LV and HV in transformer?

1 Answers   Organic Industries,

---

can SMPS work in DC supply ?

10 Answers   HCL, IBM, Reliance,

---

What is the Nyquist criterion regarding control systems?

0 Answers   GE,

---

diameter of cable and core is doubled then the value of capacitance is

0 Answers  

---

How does "OUT OF STEP" relay ,for Synchronous motor protection, work?

0 Answers  

---

Is neutral transformer can be called as control transformer?

0 Answers  

---

what is allowable current flows from phase to ground with out tripping the breaker

1 Answers  

---

in 1-phase 230v,how in 3-phase 440v. in each phase in between 230v.

0 Answers  

---

I need tnpsc AE Electrical question papers

2 Answers   TNPSC Tamil Nadu Public Service Commission,

---

WHY IS THE NO LOAD CURRENT SMALL FOR A TRANSFORMER COMPARED TO OTHER ROTATING ELECTRICAL MACHINES??

1 Answers  

---

What are the special cables required for explosion proof wiring?

0 Answers  

---

if you short the any 2phase(R,Y,B),why fuse get blown?

5 Answers   Steel Plant,

---