Lecture 15 - UCF Non-Ideal Transformer (6) (3) Core Loss...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
CF Non-Ideal Transformer (6) UCF (3) Core Loss Eddy current loss
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
CF Non-Ideal Transformer (7) UCF Hysteresis loss : o consideration on leakage = dt t i t v dt t i t v P T S S T P P hysterisis ) ( ) ( ) ( ) ( 1 (No consideration on leakage, eddy current loss and copper loss) = dt t i t d N dt t i t t d N T TT S S P P y ) ( ) ( ) ( ) ( 1 00 0 0 φ = = d T dt dt d i N i N T dt dt T core T S S P P ) ( 1 ) ( 1 0 R = = HdB f l A BA d Hl T C C c C ) ( ) ( ) ( 1 area of the hysterisis loop (4) Copper Loss (winding loss) volume of the core
Background image of page 2
CF Transformer Efficiency UCF % 100 loss out in in out P P P P P + = × = η ) Re( cos * S S load S S out Hysterisis Eddy Copper Core Copper loss I V P P P P P P P I V = = + + = + = θ ) Re( cos * P P P P P in I V P I V = =
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
CF Rigorous Equivalent Circuit Model (1) UCF S P lS S lP P M M N N n L X L X L X = = = = , , , ω
Background image of page 4
CF Rigorous Equivalent Circuit Model (2) UCF Primary side model: Secondary side model: y
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
CF Approximate Equivalent Circuit Model (1) UCF Primary side model: Most Popular
Background image of page 6
CF Approximate Equivalent Circuit Model (2) UCF Secondary side model: Or:
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
CF Open Circuit Test (1) UCF Open OC OC OC P I V
Background image of page 8
Image of page 9
This is the end of the preview. Sign up to access the rest of the document.

This document was uploaded on 11/03/2009.

Page1 / 13

Lecture 15 - UCF Non-Ideal Transformer (6) (3) Core Loss...

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online