Chap5 - 120 1 2 3 4 1 uA = Umsint uB =Umsin(t 120 uC...

Info iconThis preview shows pages 1–15. Sign up to view the full content.

View Full Document Right Arrow Icon
第第第 第第第第第第 第第第 第第第第第第 第第第 第第第第第第第第第第第 第第第 第第第第第第第第第第第第 第第第 第第第第第第第
Background image of page 1

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

View Full DocumentRight Arrow Icon
返返 第第第 第第第第第第 第第第第第第 第第第第第第第第第第第第 第第.
Background image of page 2
第第第第第第第第 第第第第第第第第第第第第第第第 第第第第第第第第第 120° 第第第第第第 第第第第第第第 . 1. 第第第第 : 3. 第第第第第第 2. 第第第 : 4. 第第第 : 返返
Background image of page 3

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

View Full DocumentRight Arrow Icon
u A = U m sin ωt u B =U m sin ( ωt 第 120° ) u C = U m sin ( ω t 第 240°) 第第 u A 第第第第第第 u B 第第 u A 120°, u C 第第 u B 120° 第第第第第第 A-B-C 第 1. 第第第第 : 第第
Background image of page 4
2. 第第第 ωt u u A u B u C 返返
Background image of page 5

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

View Full DocumentRight Arrow Icon
3. 第第第第第第 . U A =U 0°=U . 返返 ) 2 3 j 2 1 ( U 120 U U B - - = ° - = ) 2 3 j 2 1 ( U 240 U U C + - = ° - =
Background image of page 6
4. 第第第 : · U C · U B · U A 120° 120° 120° 返返
Background image of page 7

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

View Full DocumentRight Arrow Icon
1. 第第第第 A.B.C 第第第第第第第第第第 , X.Y.Z 第第第第第第第第第第 , 第第第第第第第第第第 O 第第 . 第第第第第第第第第第第第第第 . 第第 U A ,U B ,U C 第第第第第 第第第第第第第第 . . 第第第第第第第第第第第第第第第第 . . . 返返
Background image of page 8
A C B U A . (X.Y.Z) . U C . U B O 返返
Background image of page 9

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

View Full DocumentRight Arrow Icon
2. 第第第第第第第 . O 第第第 ( 第第 ), 第 O 第第第第第第第第 ( 第第 ). 第 A 第 B 第 C 第第第第第第第第第 ( 第第 ). 3. 第第第第第第第第 . 第第第 : 第第第第第第第第第第第第第 第第第第第第第第 U A ,U B ,U C 第第第 第第第 U P 第第 , 第第第第第 第第第 : 第第第第第第第第第第第第 . 第第第第 U AB ,U BC ,U CA 第第第 第第第 U L 第第 . 第第第第 . 返返
Background image of page 10
A C O B . U A . U B . U C . U AB U BC . . U CA (X.Y.Z) 第第 第第 第第 第第 返返
Background image of page 11

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

View Full DocumentRight Arrow Icon
4. 第第第第第第第第第 , 第第第第第第第第第 , 第 KVL 第第 返返 A C CA C B BC B A AB U U U U U U U U U - = - = - = ) 2 3 j 2 1 ( U U 120 U 0 U U AB - - - = ° - - ° = ° = + = 30 U 3 ) 2 3 j 2 / 3 ( U
Background image of page 12
U A = U B =U C = U P U AB = U BC = U CA = U L 返返 ° = 30 U 3 U A AB ° = 30 U 3 U B BC ° = 30 U 3 U C CA 第第 : 第第第第第第第第第第第第第 , 第第第第第第第第第第第第第第 3 第 , 第第第第第第第第 30° 第 第第第第第第第第第 P U 3 =
Background image of page 13

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

View Full DocumentRight Arrow Icon
.
Background image of page 14
Image of page 15
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/11/2011 for the course ENG 205 taught by Professor Lu during the Winter '10 term at Tianjin University.

Page1 / 39

Chap5 - 120 1 2 3 4 1 uA = Umsint uB =Umsin(t 120 uC...

This preview shows document pages 1 - 15. Sign up to view the full document.

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