Answer Posted / shamas ul hasan

Transformers, for example, can be made smaller because the magnetic core can be much smaller for the same voltage level. Induction motors turn at a speed proportional to frequency, so a high frequency power supply allows more power to be obtained for the same motor volume and mass. Transformers and motors for 400 Hz are much smaller and lighter than at 50 or 60 Hz, which is an advantage in aircraft and ships.
A United States military standard MIL-STD-704 exists for aircraft use of 400 Hz power.

What is a differential amplifier?

1248

---

what is the differation bewreen kwh & fundamental kwh in electronic trivector meters

2194

---

what kind of technical test that i need to learn because i have an interview tomorrow.. please someone help me..

2026

---

what is earthing.how we make it,describe briefly.

2613

---

Which type of questions well asked. ?

1693

---

What are the types of transformers according to the arrangement of iron cores?

1118

---

if there is nutral in phase why we use earthing wire and grounding? even at fault condition the fault current flows to neutral (it is a lower path)

1830

---

The principle of switching circuits for different types of batteries in application of storage systems

1960

---

How to calculate the value of earth capacitance in a transmission line.

2354

---

What happened when voltage will half value of current ...

1602

---

what is (+) and (-) in generator field detector stand for?

1844

---

I want formula to calculate current loss with distance in km.I searched many sites but didn't right answer.Plz reply me

2056

---

what are the different sizes of U.G. cable & where these cabl;es are used according to voltage ..

2098

---

If Dg set load increase 25%, How much increase fuel Consumption (15 kva 2 cylinder DG set)

2252

---

hi frnds what is meant by harmonics & what is meant by third hormonics,where its will occur ?thank u

2006

---