G14G03G12G03G14G13G37G2CG35G2CG36G37G32G24G35G28 [629336]

/G14/G03/G12/G03/G14/G13/G37/G2C/G35/G2C/G36/G37/G32/G24/G35/G28
Se prezint/G03:
/GBEstructuraintern/G03
/GBEregiunilede func/G20ionare
/GBEprincipiul defunctionare
Tiristorulîncomutare⇒modalit/G03/G20ilede comutaredirect/G03
/GFAi invers/G03
Utilizareatiristorului:
•aplica/G20iide redresoarecomandatemonoalternan/G20/G03,
bialternan/G20/G03SCR –Silicon Controlled Rectifier

/G15/G03/G12/G03/G14/G13
/G36/G57/G55/G58/G46/G57/G58/G55/G44/G4C/G51/G57/G48/G55/G51/G03/G11/G03/G36/G4C/G50/G45/G52/G4F

/G16/G03/G12/G03/G14/G13/G29/G58/G51/G46/G20/G4C/G52/G51/G44/G55/G48/G11/G03/G26/G44/G55/G44/G46/G57/G48/G55/G4C/G56/G57/G4C/G46/G4C/G46/G58/G55/G48/G51/G57/G10/G57/G48/G51/G56/G4C/G58/G51/G48
vAL>0V, iG=0, jonctiunea
J2–polarizatainvers
iA=0mA, Th–(b)vAL<0V, jonctiunileJ1, J3–
polarizateinversiA=0mA, Th–(b)
Amorsareatiristorului
/GBEiG=0, vAK↑, candvAK=VBOtiristorulcomut/G03încondu ctie
/GBEla vAK<VBO,, Thpoateintra in (c) dacase injecteazaiG>0
/GBE Cu cat iGestemaimare, cu atatvAKpoatefimaimica

/G17/G03/G12/G03/G14/G13
(1)-blocare la polarizaredirect/G03;(2)-rezisten/G20a diferen/G20ial/G03negativ/G03
(3)-conduc/G20ie; (4)-blocare la polarizareinvers/G03; (5)-str/G03pungere/G26/G44/G55/G44/G46/G57/G48/G55/G4C/G56/G57/G4C/G46/G44
/G57/G4C/G55/G4C/G56/G57/G52/G55/G58/G4F/G58/G4C

/G18/G03/G12/G03/G14/G13prininjectareaunuicurentcontinuusauimpulsuriîngril/G03
/GBEmaides folosit/G03
/GBEcontrol maibun al momentlui
aprinderiitiristorului
/GBEconsummicde puterepentru
comand/G03
/GBEimpulsultrebuies/G03aib/G03o durat/G03minim/G03(timpde men/G20inerepe
poart/G03)
/GBEînmomentulaplic/G03riiimpulsuluide curent, vAKs/G03fie suficientde
mare
VAl=20V
vAK1=20V
iG1=100mA/G26/G52/G50/G58/G57/G44/G55/G48/G44/G47/G4C/G55/G48/G46/G57/G03/G0B/G45/G0C/G03→→/G0B/G46/G0C/G03/G03/G03/G0B/G44/G50/G52/G55/G56/G44/G55/G48/G0C

/G19/G03/G12/G03/G14/G13/G24/G50/G52/G55/G56/G44/G55/G4C/G53/G44/G55/G44/G5D/G4C/G57/G48
/G36/G58/G51/G57/G03/G53/G48/G55/G4C/G46/G58/G4F/G52/G44/G56/G48/G03/G53/G48/G51/G57/G55/G58/G03/G57/G4C/G55/G4C/G56/G57/G52/G55/G03/GFA/G4C/G03/G57/G55/G48/G45/G58/G4C/G48/G03/G48/G59/G4C/G57/G44/G57/G48/G1D
/GBE/G46/G55/G48/GFA/G57/G48/G55/G48/G44/G03 /G57/G48/G51/G56/G4C/G58/G51/G4C/G4C/G03 /G59/G24/G2E/G53/G03/G51/G03 /G4F/G44/G03 /G57/G48/G51/G56/G4C/G58/G51/G48/G44/G03 /G47/G48/G03
/G44/G58/G57/G52/G44/G53/G55/G4C/G51/G47/G48/G55/G48/G03/G39/G25/G32
/GBE/G59/G44/G55/G4C/G44/G20/G4C/G44/G03/G49/G52/G44/G55/G57/G48/G03/G55/G44/G53/G4C/G47/G03/G44/G03/G57/G48/G51/G56/G4C/G58/G51/G4C/G4C/G03/G59/G24/G2E/G0B/G48/G49/G48/G46/G57/G03 /G0C/G03/G03
/GBE/G46/G55/G48/GFA/G57/G48/G55/G48/G44/G03/G57/G48/G50/G53/G48/G55/G44/G57/G58/G55/G4C/G4C/G03/G0B/G47/G58/G46/G48/G03/G4F/G44/G03/G50/G4C/G46/GFA/G52/G55/G44/G55/G48/G44/G03/G59/G44/G4F/G52/G55/G4C/G4C/G03/G39/G25/G32/G0Cdtdv

/G1A/G03/G12/G03/G14/G13/G26/G52/G50/G58/G57/G44/G55/G48/G44/G4C/G51/G59/G48/G55/G56/G03/G0B/G56/G57/G4C/G51/G4A/G48/G55/G48/G44/G57/G4C/G55/G4C/G56/G57/G52/G55/G58/G4F/G58/G4C/G0C
/GBEAutomatcândtensiunea/GFAicurentulscadsub valorilede men/G20inere
VH,IH
/GBEIn curentalternativ, cu sarcinarezistiva, blocarease facenatural
cândtensiuneade intraretrecepealternan/G20anegativ/G03avândastfelvAK<0
/GBEStingereapoateficontrolatafortandcurentulsautensiunela zero
S –tiristor, tranzistor, etc

/G1B/G03/G12/G03/G14/G13/G26/G52/G50/G53/G44/G55/G44/G57/G4C/G48/G47/G4C/G52/G47/G44/GB1/G57/G4C/G55/G4C/G56/G57/G52/G55/G47/G4C/G51/G03/G53/G58/G51/G46/G57/G47/G48/G03
/G59/G48/G47/G48/G55/G48/G44/G4F/G03/G46/G52/G51/G57/G55/G52/G4F/G58/G4F/G58/G4C/G46/G52/G50/G58/G57/G44/G55/G4C/G4C
/G46/G52/G51/G57/G55/G52/G4F/G44/G57 /G44/G58/G57/G52/G50/G44/G57/G46/G52/G50/G58/G57/G44/G55/G48
/G0B/G46/G0C/G03→/G0B/G45/G0C
/G36/G48/G50/G4C/G10/G44/G58/G57/G52/G50/G44/G57/G03
/G0B/G56/G48/G50/G4C/G10/G46/G52/G50/G44/G51/G47/G44/G57/G0C/G24/G58/G57/G52/G50/G44/G57 /G37/G4C/G53/G58/G4F/G46/G52/G50/G58/G57/G44/G55/G4C/G4C/G44/G58/G57/G52/G50/G44/G57 /G44/G58/G57/G52/G50/G44/G57/G46/G52/G50/G58/G57/G44/G55/G48
/G0B/G45/G0C→/G0B/G46/G0C/G37/G4C/G55/G4C/G56/G57/G52/G55 /G27/G4C/G52/G47/G44

/G1C/G03/G12/G03/G14/G13/G24/G53/G4F/G4C/G46/G44/G20/G4C/G4C/G44/G4F/G48/G03/G57/G4C/G55/G4C/G56/G57/G52/G55/G58/G4F/G58/G4C
/GBEredresareacomandat/G03, circuitede
comuta/G20ie, circuitede impulsuri,
generatoarede tensiuneliniarvariabile
1. Redresor
monoalternan/G20/G03comandat
•controlulputeriimediiin sarcina
prin ungh iulde comanda∝

/G14/G13/G03/G12/G03/G14/G131. Redresor
bialternan/G20/G03comandat
/G2E=90ș