Answer / pallab phukon

if square wave is fed ,then there will be harmonics in the
transformer,which may cause overheating and may even burn
the transformer..

Answer / nishantjadav17

Output will be triangular wave

Answer / soni

as e=d(phi)/dt(time)....so the output will be zero..and no
voltage as output will be dre..

What is d diff. btw Online & Offline UPS???

4 Answers   Emerson,

---

Why we transmit the power at the voltage in the multiple of 11 or 1.1 like 11kv, 22kv, 66kv, 132kv...... some one told me that it is due to fomr factor 1.1 of sine wave. its fine but while transforming we can choose any voltage, so why only multiple of 1.1 there also.......? plz tell me.

7 Answers  

---

how am i achived model paper to prepratio for bhel exam

2 Answers   Bhel,

---

If we connect a motor and generator together (I mean that the generator gives the motor electricity and the motor gives the generator movement) regardless the losses. Will the generator still generate and the motor still move?

0 Answers   Cap Gemini,

---

150 hp moter how many kwh in 1 hour and what forfula 3 phase kwh.

5 Answers   College School Exams Tests, CPCL, Syncom, Thermax,

---

pf of synchronius motor is unity, is it axact(=one) value. ?

1 Answers  

---

i am going to correct power factor of 1600kw induction motor,when i calculate capacitance of capacitor it is three time more in star connection than delta. if motor is star connected which connection i shall adopt for capacitors and reason for adopt this connection

0 Answers  

---

why it is not advisable to run low rating (19KVA) DG sets in parallel for long durations even though they are provided with droop ckts (QDC)

0 Answers  

---

how power is generated,and transmitted to our home..pls explain briefly in simple words.

0 Answers   HAL, Subros,

---

what is armature reaction?explain in simple words?and what is its infleunce on dc motor

16 Answers  

---

one kva is equal to how much amps?

14 Answers  

---

how mach PF mainten in DG

6 Answers   Siemens,

---