wat is the advantage of increse in frequency?how the powersupply range decreses as the frequency increses?like in america,it uses 110 ac and 60 hz?

4 Answers  

---

what the different between earthing and grounding?

4 Answers  

---

why do we prefer a 3-phase delta connected load rather than star connected?

4 Answers  

---

what are the losses of capacitor??

1 Answers  

---

What is stepper motor?

0 Answers  

---

plz explain TSM and PSM.with example suppose ct ratio is 4000/5 and tsm is .15 and plug is at 3.75 if fault current is 8000A.so how i find relay oprating time.

2 Answers   College School Exams Tests, ME,

---

Input power is 380 - 450 V but with 45 - 55 Hz frequency - desired output is 415 V and 50hz with 1% variation permissible. CVT / Servo dont stabilize the Frequency - what is best solution??

7 Answers   IOCL,

---

Can the field winding in synchronous machines be placed on stator?What is the limitation of such arrangement?

2 Answers  

---

what is an invertor A.C.?

1 Answers   Ami Tech, Shubham,

---

What is the meaning of 40X8X2 busbar dimensions for carring load of 400 Amps

0 Answers  

---

How to calculate phase to phase difference ?

0 Answers  

---

what is transformer

5 Answers   Aegis,

---