Answer Posted / biju

The answer is v can have many phases but maximum efficiency, v get in 3 phase only. Other phases will work in less efficiency.

what is the significance of terminal voltage and phase sequence in the operation of paralleling of two generators?

2587

---

If I want to replace a 26KW Slip ring Motor with a Squirrel Cage motor & Drive (for a Hoist Application). How can I approximate the Motor & Drive HP required in new Setup.

2326

---

What are all present producing cost of Per KWH of various Fuel?

2645

---

why the neutral point in connnection oscillates?

2319

---

I want to know all basics of electrical engineering

1909

---

Following test should be conducted to find out relative polarity of transformenr terminals A no load test B back to back test C phasing out test D none of above

2273

---

why Current is lead 90 degree and voltage is lag 90 degree in a capacitor.? why Current is lag 90 degree and voltage is lead 90 degree in an inductor.?

2324

---

When we giving the 3 phase supply to ups system how to coming netural?

2161

---

A 3-phase IM is supplied from 50 Hz system. It runs at speed of 1440 rpm and slip equal to 4 %. Calculate number of pole pairs. A 1 B 6 C 2 D 3

2066

---

WHAT IS DIFFERENCE BETWEEN CAPACITOR AND CAPACITANCE?

2134

---

In case of salient pole alternator when number of poles are 4 or more than 4 it helps the flux wave to be sinusoid as air gap length is increased from center to tip , but if the number of poles are 2 how does the flux wave is sinusoidal?

2019

---

If o/p power is doubled by how much does the sound increase

1143

---

what is the responsibility of C license holder in industry?

9223

---

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

2010

---

advantages and disadvantages of inverse definite minimum time RELAY

1614

---