Answer / deepak24

Iron Losses = (Kh x Phi^1.2 x F) Watt/M^3
Where Kh - Hysteresis Constant
Phi - Flux
F - Frequency

in above equation Kh, F are constant & Phi increase only 1 to 5% from No load to full Load. Hence Iron Losses are practically constant at all loads.

HOW TO CHECK THE VECTOR GROUP OF A TRANSFORMER YD11?

1 Answers   Siemens,

---

bsnl tta exam question

1 Answers  

---

What is the distance between each insulator in 33kv transformer and how can it calculate

1 Answers  

---

Why the ceiling fan rotates in clockwise direction and table fan rotates in anticlockwise direction.

3 Answers   Kirloskar, MPF, Wipro,

---

What are the two segments of nyquist contour.

1 Answers  

---

One watt is equal to how many? we says one watt bulb,means what it consume?

3 Answers  

---

opkinson's test

0 Answers   Bhel,

---

Where we give genset o/p in home & industrial applications ?

1 Answers  

---

What is pole slipping relay? When it is operated?

2 Answers   Aditya Birla,

---

Why temperature rise is conducted in bus bars and isolators?

1 Answers  

---

what is relation between vector group of transformer and its load hormonics?

1 Answers   Sanmar,

---

What is the RMS and DFT principle of analogue maesurments. Which way they are advangages. where which princples give optimum results.

1 Answers   ABB,

---