Basic ElectronicsBasic Electronics

Lecture #4B. Bat-Otgon 2010 Ulaanbaatar

Inductance & Inductor Ch. 3Inductance & Inductor Ch. 3

[ ]HenryHNSL = 2 [ ]HenryHl

L =N

?=1. 1.2610-62. 7.5610-53. 1.110-4

?

3. 1.1 104. 6.910-35. 8.810-36. 0.1267 1 26

. . 7. 1.26 .

Inductance & Inductor Ch. 3Inductance & Inductor Ch. 3

Hl

NSL 126.002.0

126.01001002.0 22 ===

2 2 , N=10

Hl

NSL 26.102.0

1026.11001002.0 622 ===

Inductor connections Ch. 3Inductor connections Ch. 3

L1 L2 L3L1 L2 L3

LTNT LLLLL ++++= 321

LTL3L2L1NT LLLLL11111

321

++++=NT 321

L1=20mH, L2=10mH, L3=4mH

mHLL

5.24.014.0

41

101

2011 ===++=

Linear RL circuit Ch. 3Linear RL circuit Ch. 3

+B

RA

B S L

( )/1 tPL eII = dtdILVL =VLB

S L

L

BP rR

VI += RL=

RL VL

IP Peak current, rL Inductors resistanceV

RV

VR

tiVIN

L

VOUT

LVR

10%

90%

R

VIN VOUT

L

t10%

r

Linear RL circuit Ch. 3Linear RL circuit Ch. 3

V, I 0+jXL Z=R+jXLVL VIN

R+j0VR

L

R

t

0R+j0VR

. , . RL , RL

90

. RL , ,

LfLX L == 2 22 RXZ L +=LfLX L 2 RXZ L +

=

=R

LarctgR

Xarctg LR

=

=

LRarctg

XRarctg

LL

Power Factor & Resonance Ch. 3Power Factor & Resonance Ch. 3

cos22

====ZR

ZIRI

PPPF

VA

W

ZZIPVA

WR

VPW 48410022022 ===

VIN

L

RC

R 100

VAP OVA 632766.0484

)40cos(484 ===

)(

( ) 22 RXXZ CL += RZXX CL ==

LCCLXX CL

110

00 ===

Filters Ch. 3Filters Ch. 3

VIN VOUT1

K

Low pass filter

V V1

K

VIN VOUT

K

High pass filter

VIN VOUT1

K

Band stop filter

VIN VOUT1

K

Band pass filter

Transformers Ch. 3Transformers Ch. 3

Tr

I IIVG V~

Transformers Ch. 3Transformers Ch. 3

1

NN

VVG = 2SPVA

Tr

V 2~ NVVA

Efficiency . . . (KP)

I IIVG V~

1

PPK P =2P

VAPVA 238.4)0.24.2(22 ===

AIVV 1232 ==mmId 7.07.02 ==?230 11 == dVV 11

Currents in other mediums Ch. 4Currents in other mediums Ch. 4

S

~220V

L

GVVV 5.1105.110101015 9233 ===!!Neon and plasma lights

Currents in other mediums Ch. 4Currents in other mediums Ch. 4

Geiger Counter

Geiger-Mueller-Tube

Currents in other mediums Ch. 4Currents in other mediums Ch. 4

Currents in other mediums Ch. 4Currents in other mediums Ch. 4

Lead Acid Battery

OHPbSOSOHPbPbO 24422 222 +++Lead Acid Battery

Currents in other mediums Ch. 4Currents in other mediums Ch. 4

RL

+ RL

I

+

BA

+

I+

_IG

BA

+

I+

_ VG

BH BH

+ BG

!BA BH

!

VGBG

: 5- .!

Thank youThank you

(.3,4): Next week!!

Lecture #4B. Bat-Otgon 2010 Ulaanbaatar