Zaus converter rau hluav taws xob lub cev muaj zog: lub tswvyim

Nyob rau hauv no tsab xov xwm koj yuav nrhiav tau tawm yog dab tsi zaus converter rau lub cev muaj zog, xav txog nws cov tswvyim, kev khiav hauj lwm hauv paus ntsiab lus, raws li tau zoo raws li kawm txog lub chaw ntawm Industrial Designs. Lub homphiaj yuav tsum yog nyob rau zus tau tej cov inverter los ntawm txhais tes. Ntawm cov hoob kawm, rau qhov no koj yuav tsum muaj tsawg kawg yog ib tug tswv yim ntawm xov txheej txheem. Tsim nyog yuav pib nrog, lub hom phiaj rau cov uas siv zaus converters.

Thaum muaj ib tug xav rau ib tug tsav

Niaj hnub nimno zaus converters - ib tug high-tech pab kiag li lawm uas muaj xws li cov ntsiab raws li semiconductors. Nyob rau hauv tas li ntawd, muaj ib tug hluav taws xob tswj system raws li ib tug microcontroller. Nrog nws cov kev pab, ua tus tswj ntawm tag nrho cov yam ntawm lub cev muaj zog tsis. Nyob rau hauv kev sib hloov ceev yuav raug hloov los ntawm txoj kev lub zaus converter ntawm lub electric tsav. Muaj lub tswv yim mus yuav qhov inverter mus rau lub cev muaj zog. Tus nqi ntawm xws li ib tug ntaus ntawv rau motors ntawm 0.75 kW yuav txog 5-7 txhiab. Tshiav.

Nws yog ib nqi sau cia hais tias koj yuav hloov cov kev ceev ntawm kev sib hloov siv ib tug gearbox, ua rau lub hauv paus ntawm lub variator los yog iav hom. Tab sis xws li lug yog heev loj, siv lawv tsis yog ib txwm ua tau. Txhua tsav txhua yam, xws mechanisms xav tau lub sij hawm mus ua hauj lwm, thiab lawv cia siab rau yog muaj tsawg kawg nkaus. Cov kev siv ntawm ib zaus converter los txo cov hluav taws xob tsav rau nqi raws li kom nws cov tuition.

Lub ntsiab Cheebtsam ntawm cov zaus converter

Tej zaus converter muaj plaub lub ntsiab modules:

1. rectifier unit.
2. DC voltage filtering ntaus ntawv.
3. Inverter los ua ke.
4. Microprocessor tswj system.

lawv muaj tag nrho ua ke, thiab tus tswj tsev ntawm lwm yam uas cov qhov tso zis theem ntawm lub chaw ua hauj lwm - lub inverter. Qhov no yog ua li cas nrog rau cov kev pab los ntawm qhov kev hloov nyob rau hauv lub tso zis AC yam ntxwv.

Nyob rau nws yuav tsum tau piav nyob rau hauv kom meej hauv qab no, qhia tau hais tias lub tswvyim. Zaus converter rau hluav taws xob lub cev muaj zog muaj ib tug ob peb ntau nta. Nws yuav tsum tau muab sau tseg tias apparatus muaj xws li ob peb theem ntawm kev tiv thaiv, uas yog tseem tshuaj los ntawm ib tug microcontroller unit. Nyob rau hauv kev, cov kev tswj yog ua los ntawm lub hwj chim semiconductor caij kub. Tsis tas li ntawd, muaj ib tug muaj nuj nqi ntawm kev tiv thaiv tiv thaiv luv luv circuits thiab overcurrents. Lub zaus converter yuav tsum tau kev cob cog rua rau lub mains los ntawm txhais tau tias kev ruaj ntseg pab kiag li lawm. Qhov yuav tsum tau rau ib tug sib nqus contactor dauv tawm.

Rectifier inverter

Qhov no yog thawj module, los ntawm kev uas lub tam sim no ntws. Nrog kev pab los ntawm wires ua AC - mus rau hauv DC hloov dua siab tshiab. Qhov no yog vim txoj kev siv cov ntsiab xws li semiconductor diodes. Tab sis tam sim no nws yog tsim nyog hais txog me me nta. Koj paub hais tias feem ntau ntawm lub hwj chim ntawm asynchronous motors yog muab los ntawm ib tug peb-theem AC fais fab. Tab sis tsis yog txhua txhua xws muaj. Ntawm cov hoob kawm, nyob rau hauv loj Enterprises nws yog, tab sis nyob rau hauv lub neej txhua hnub nws yog tsis tshua muaj siv txij li thaum nws yog yooj yim los tuav ib tug tib theem. Thiab kev noj mus rau hauv tus account lub qhov hluav taws xob yam yooj yim.

A zaus converter yuav tsum powered los ntawm ib tug peb-theem network, thiab ib tug hluas-theem. Yuav ua li cas yog qhov txawv? Thiab nws yog tsis tseem ceeb, ntau hom rectifiers siv nyob rau hauv kev tsim kho. Yog hais tias peb yuav sib tham txog ib leeg-theem inverter rau lub electric tsav, nws yog tsim nyog los siv cov tswvyim nyob rau hauv plaub semiconductor diodes nyob rau hauv ib tug choj hom. Tab sis, yog hais tias koj xav tau lub hwj chim ntawm peb-theem network, koj yuav tsum tau xaiv ib tug txawv tswvyim, muaj raws ntawm rau semiconductor diodes. Ob tug hais rau txhua sab caj npab, qhov tshwm sim uas koj tau txais ib qho AC rectification. Thaum cov qhov tso zis yuav tsum "plus" thiab "rho tawm".

filtering DC

Thaum tso zis hauv lub rectifier koj muaj ib qhov voltage, tab sis nws muaj ib tug loj ripple, tseem skips nce mus nce los tivthaiv. Yuav kom smooth tawm tag nrho cov "irregularities" tam sim no, koj yuav tsum tau mus thov nyob rau tom kawg yog ob lub ntsiab - inductors thiab electrolytic capacitor. Tiam sis ua ntej tej yam uas tsim nyog tham txog nyob rau hauv ntau yam.

Lub inductor muaj ib tug loj tus naj npawb ntawm koj lem, nws muaj ib tug tej yam reactance, uas me ntsis rau smooth Ripple tam sim no ntws therethrough. Qhov thib ob lub caij - ib tug capacitor kev cob cog rua ntawm ob tug. Nws muaj tseeb nthuav zog. Thaum cov ndlwg ntawm direct tam sim no nws yog Kirchhoff txoj cai yuav tsum tau hloov los ntawm ib tug pob tsuas, uas nyob nruab nrab ntxiv thiab rho tawm, raws li nws twb tsis muaj dab tsi. Tab sis nrog rau ib qho alternating - xyuas pib pigtail tsis muaj kuj. Raws li hais saum toj no, nws ntws ib qhov tam sim no, tab sis nws muaj ib tug me me feem ntawm lub AC. Thiab nws yog ib tug raug kaw, tawm hauv cia li ploj.

Lub inverter module

Ib inverter chav tsev, yuav tsum tau leej, cov tseem ceeb tshaj plaws nyob rau hauv tag nrho cov qauv. Nrog nws, ib tug kev hloov no yog ua los ntawm cov zis tam sim no tsis. Nyob rau hauv kev lub zaus, voltage thiab thiaj li nyob. G. Cov inverter muaj rau transistors tswj. Rau txhua theem, ob semiconductor ntsiab. Nws yog ib nqi sau cia hais tias tam sim no los ua ke ntawm lub IGBT-transistors siv nyob rau hauv lub inverter theem. Txawm tias qhob, tab sis yog tus zaus converter ntawm Delta, feem ntau nyiaj txiag thiab pheej yig niaj hnub no, xws li ntawm cov tib yam. Tsuas yog txawv possibilities.

Lawv muaj peb lub qhov rooj nkag, tib tooj ntawm outputs, raws li zoo raws li rau cov ntsiab lus ntawm kev twb kev txuas rau cov kev tswj ntaus ntawv. Nws yuav tsum tau muab sau tseg tias cov neeg sab nraud zus tau tej cov inverter yuav tsum tau nqa tawm los ntawm cov kev xaiv ntawm lub hwj chim los ua ke. Yog li ntawd, koj yuav tsum tam sim ntawd txiav txim nrog cov hom kev lub cev muaj zog yog kev cob cog rua rau ib zaus converter.

Microprocessor tswj system

Nrog tus kheej-raug yog tsis zoo li mus kawm tau ntawv zoo mus cuag cov tib xaiv uas muaj rau cov muaj designs. Yog vim li cas rau qhov no yog lus dag tsis nyob rau hauv lub fact tias lub hwj chim transistors manufactured cov rooj sib txoos yog ices. Qhov tseeb yog tias yuav ua rau cov kev tswj chav tsev yog heev nyuaj nyob rau hauv tsev. Ntawm cov hoob kawm, nws tsis yog hais txog soldering hais, tab sis ntawm lub cajmeem microcontroller unit. Qhov yooj yim xaiv - nws yog mus ua ib tug tswj tsev, los ntawm txoj kev uas ib tug yuav tau kho cov kev ceev ntawm kev sib hloov, qhov kev siv ntawm qhov rov qab, overcurrent kev tiv thaiv thiab overheating.

Yuav kom hloov cov kev sib hloov ceev tsim nyog los siv ib tug nce mus nce los kuj uas yog kev cob cog rua rau lub tswv yim chaw nres nkoj ntawm lub microcontroller. Nws qhia txog tus ntaus ntawv uas muab lub teeb liab nti. Xeem ntsuam cov voltage theem kev hloov piv rau cov kev siv, uas yog 5 V. Cov tswj system ua hauj lwm raws li ib tug tej yam algorithm, uas yog sau ntawv mus rau thaum pib ntawm qhov kev pab cuam. Nruj me ntsis nyob saud muaj ib lub lag luam ntawm lub microprocessor system. Heev nrov yog cov Siemens tswj units. Lub inverter ntawm no tsim tau siab cia siab rau, yuav siv tau nyob rau hauv tej yam ntawm Actuator.

Yuav ua li cas rau configure cov zaus converter

Niaj hnub no, muaj ib tug ntau ntawm ntaus ntawv manufacturers. Tab sis nyob algorithm ntawm tag nrho cov suab zoo tib yam. Ntawm cov hoob kawm, tuav lub inverter configuration yuav tsis ua hauj lwm tsis muaj ib co kev txawj ntse. Koj yuav tsum muaj ob yam - kev nyob rau hauv cov kev cai thiab cov lag luam phau ntawv no. Nyob rau hauv lub caij nyoog kawg no muaj yog ib daim ntawv thov, uas qhia txog tag nrho cov kev khiav dej num uas yuav tau programmed. Feem ntau, cov nyiaj ntawm lub zaus converter muaj ib tug ob peb nyees khawm. Yam tsawg kawg plaub ntawm lawv yuav tsum tam sim no. Ob tug yuav siv los hloov ntawm kev khiav dej num nrog cov kev pab los ntawm lwm tus neeg ua cov kev xaiv ntawm tsis los yog tshem tawm ntawm cov ntaub ntawv nkag mus hauv. Yuav kom nkag mus rau lub cajmeem hom koj yuav tsum nias ib tug tej yam khawm.

Rau txhua qauv, lub inverter tswv yim koj algorithm mus rau hauv lub programming hom. Yog li ntawd, tsis muaj cov kev qhia ntawv phau ntawv yuav tsis ua li cas. Nws yuav tsum tau muab sau tseg tias cov kev khiav dej num yog muab faib ua ob peb pab pawg. Thiab tau poob nyob rau hauv lawv tsis yog yooj yim. Sim tsis txhob hloov cov chaw uas tsis kov cov chaw tsim tshuaj paus. Cov chaw yuav tsum tau hloov xwb nyob rau hauv exceptional mob. Thaum koj xaiv ib tug programming muaj nuj nqi, koj yuav pom nyob rau hauv cov zaub ntawm nws alphanumeric los. Raws li kev nrhiav neeg kev nyob zaus converter yuav zoo li yooj yim heev.

tshawb pom

Thaum kev khiav hauj lwm, kev pab, los yog lub chaw ua khoom ntawm lub zaus converter tag nrho cov ceev faj. Nco ntsoov hais tias nyob rau hauv lub tsim ntawm tus dais, muaj electrolytic capacitors uas khaws ib tug xwb txawm tias thaum kaw los ntawm AC fais fab. Yog li ntawd, ua ntej disassembling, nws yog tsim nyog los tos rau lub paug. Thov nco ntsoov hais tias muaj ntsiab uas yog ntshai static hluav taws xob nyob rau hauv kev tsim kho ntawm zaus converters. Nyob rau hauv kev no siv rau cov microprocessor tswj system. Yog li ntawd, mus nqa tawm lub soldering yuav tsum rau tag nrho cov ceev faj.