Txoj cai ntawm High Power Voltage Regulator
Lub zog hluav taws xob tswj hluav taws xob muaj hluav taws xob muaj=l2V fais fab mov Circuit Court, ntsuas hluav taws xob tswj Circuit Court, tiv thaiv dhau-voltage, l2V fais fab mov circuit muaj regulator transformer T's W4, W5 windings thiab rectifier diodes VDl-VD4, lim Capacitors Cl, C2. Qhov ntsuas hluav taws xob ntsuas hluav taws xob muaj cov resistors R-R7, potentiometers RPl, Rm, voltage regulator diode VS, capacitors C3, C4 thiab ua haujlwm amplifier IC (Nl-N3). Lub overvoltage tiv thaiv Circuit Court muaj N3 nyob rau hauv lub IC, transistor V3, resistor Rl2 thiab relay K. Qhov tsis siv neeg voltage tswj Circuit Court muaj resistors R8-Rll, transistors Vl, V2, DC lub cev muaj zog M, zawv zawg tiv tauj thiab Wl -W3 windings ntawm T. Tom qab txuas qhov kawg ntawm AC high-power tswj fais fab mov nrog lub mains, ib tug induced voltage yog generated ntawm W4 thiab W5 windings ntawm T. Qhov voltage no yog rectified los ntawm VDl-VD4 thiab lim los ntawm Cl. thiab C2 muab 士l2V tsis ruaj tsis khov ua haujlwm voltage rau IC thiab Vl, V2, thiab lwm yam + l2V voltage muaj lwm yam haujlwm. Tom qab Rl-R3 voltage divider, VS voltage regulator, ntsig txog, rau inverted input ntawm Nl-N3 los muab siv voltage; Tshaj-voltage tiv thaiv Circuit Court Shen K thiab V3 los muab lub zog ua haujlwm; Tom qab R4, RP2, R6 voltage divider, rau qhov zoo-theem cov tswv yim ntawm Nl thiab N2 los muab qhov ntsuas qhov ntsuas hluav taws xob; Tom qab R7, RPl, R5 voltage divider, rau qhov zoo-theem cov tswv yim ntawm N3 los muab qhov ntsuas hluav taws xob.
Nl-N3 sib piv qhov ntsuas qhov ntsuas hluav taws xob ntawm qhov zoo-theem cov tswv yim nrog rau qhov siv hluav taws xob ntawm qhov inverted-theem input, thiab siv qhov ua yuam kev voltage los tswj qhov tsis siv neeg voltage tswj Circuit Court.
Thaum qhov hluav taws xob tseem ceeb yog qhov qub, cov zis hluav taws xob ntawm Nl thiab N2 yog OV, Vl thiab V2 nyob rau hauv lub xeev txiav, thiab lub cev muaj zog M tsis ua haujlwm.
Thaum lub mains voltage yog tsawg, Nl thiab N2 tso zis theem qis, ua V2 conductive thiab Vl cutoff, M rotates counterclockwise, tsav lub zawv zawg sib cuag txav mus los ntawm zawv zawg phab ntsa caj npab, thiab tiv tauj nrog cov voltage kais dej ntawm T. (A tag nrho ntawm 21 voltage kais yog teem rau hauv Wl thiab W2 windings ntawm T, nrog rau qhov kev hloov kho voltage ntawm 5V rau txhua lub iav), thiab boosting cov zis voltage los ntawm W2 windings ntawm T. Thaum cov zis AC voltage nce mus rau 220V, V2 txiav tawm thiab M nres. Thaum lub mains voltage siab, ob qho tib si Nl thiab N2 tso tawm ib theem siab, ua Vl conductive thiab V2 txiav-tawm, M rotates clockwise, tsav lub zawv zawg kov kom txav mus los ntawm zawv zawg caj npab, tiv tauj nrog tus coj voltage kais ntawm T, thiab txo qhov tso zis voltage los ntawm Wl winding ntawm T. Thaum cov zis AC voltage poob mus rau 220V, Vl txiav tawm thiab M nres rotating. Thaum lub mains voltage siab tshaj 260V, N3 outputs ib theem qis vim hais tias qhov voltage ntawm qhov zoo-theem input davhlau ya nyob twg yog siab tshaj qhov uas nyob rau hauv lub inverted-theem input davhlau ya nyob twg, kom V3 txiav tawm, K tawm, thiab nws ib txwm-kaw. kev sib cuag txuas mus rau qhov tso zis hluav taws xob ntawm AC voltage. Thaum lub mains voltage yog 160-260V, N3 outputs ib theem siab vim hais tias qhov zoo-theem input voltage yog qis dua lub inverted-theem input voltage, ua V3 conductive, K absorbed, thiab nws ib txwm kaw kev sib cuag disconnected, yog li xyuas kom meej. tias cov khoom thauj (cov khoom siv hluav taws xob) yuav tsis raug puas vim yog overvoltage.
