TRR: Tsim cov diodes hauv inverter

Kev ua haujlwm ntawm diodes hauv inverter
Rectification nyhuv
Lub luag haujlwm tseem ceeb tshaj plaws ntawm diodes hauv inverter yog rectification, uas converts alternating tam sim no mus rau tam sim no ncaj qha. Qhov kev ua haujlwm no tuaj yeem xav tau ntawm ob lub tswv yim thiab cov zis terminals ntawm inverter. Piv txwv li, nyob rau hauv ib co inverter designs, lub input DC lub hwj chim yuav tsum tau preprocessed thiab ripple lim tawm los ntawm rectifier circuits los muab ib tug ruaj khov DC fais fab mov.

Kev txuas ntxiv thiab kev tiv thaiv
Kev ua haujlwm ib puag ncig ntawm inverter feem ntau yog qhov nyuaj, thiab kev hloov pauv sai ntawm kev thauj khoom yuav ua rau muaj kev hloov pauv hauv qhov hluav taws xob lossis tam sim no. Lub diode tuaj yeem ua lub luag haujlwm pub dawb, muab txoj hauv kev rov qab tam sim no thaum lub zog inductive (xws li lub tshuab hluav taws xob) raug kaw, yog li tsis txhob muaj hluav taws xob tawg hauv Circuit Court los ntawm kev puas tsuaj rau lwm yam khoom. Tsis tas li ntawd, diodes kuj tseem siv tau los ua cov khoom tiv thaiv los tiv thaiv overvoltage lossis rov qab tam sim no hauv Circuit Court los ntawm kev puas tsuaj rau inverter.

Voltage stabilization thiab lim
Diodes kuj tseem ua lub luag haujlwm tseem ceeb hauv kev lim dej thiab kev tswj xyuas hluav taws xob ntawm cov inverter. Los ntawm kev sib txuas diodes nrog capacitors lossis inductors, lub suab nrov hauv lub zog tuaj yeem lim tawm tau zoo, qhov tso zis hluav taws xob tuaj yeem ruaj khov, thiab cov khoom siv hluav taws xob zoo tuaj yeem txhim kho.

Cov txheej txheem xaiv rau diodes
Rov qab Voltage Endurance (VR)
Rov qab tiv thaiv hluav taws xob yog qhov tseem ceeb thaum xaiv lub diode, uas txiav txim siab qhov siab tshaj qhov rov qab voltage uas lub diode tuaj yeem tiv taus. Hauv kev tsim inverter, nws yog ib qho tsim nyog los xyuas kom meej tias qhov thim rov qab tiv thaiv qhov hluav taws xob ntawm lub diode yog siab tshaj qhov siab tshaj qhov hluav taws xob uas yuav tshwm sim hauv qhov system kom tsis txhob tawg.

Forward tam sim no (IF) thiab surge tam sim no (IFSM)
Qhov tam sim no ntawm lub diode txiav txim siab qhov siab tshaj plaws tam sim no nws tuaj yeem dhau los ntawm kev ua haujlwm ib txwm muaj, thaum lub sijhawm tam sim no sawv cev rau qhov siab tshaj plaws tam sim no uas lub diode tuaj yeem tiv taus lub sijhawm luv luv. Thaum xaiv ib lub diode, nws yog ib qho tsim nyog yuav tsum xav txog cov yam ntxwv ntawm cov khoom thauj thiab qhov muaj peev xwm hloov pauv tam sim no kom ntseeg tau tias lub diode tuaj yeem ua haujlwm ruaj khov yam tsis muaj cua sov lossis puas tsuaj.

Lub sijhawm rov qab (trr)
Lub sijhawm rov qab los yog lub sijhawm xav tau rau lub diode hloov pauv los ntawm lub xeev ua haujlwm mus rau lub xeev thim rov qab. Lub sij hawm rov qab luv dua tuaj yeem txhim kho qhov ua tau zoo ntawm lub inverter, tshwj xeeb tshaj yog nyob rau hauv high-frequency inverters, qhov twg xaiv cov diodes ceev rov qab yog qhov tseem ceeb tshwj xeeb los txo cov kev poob qis.

Kev siv hluav taws xob thiab cua sov dissipation
Thaum lub sijhawm ua haujlwm, diodes tsim muaj qee qhov kev siv hluav taws xob, tshwj xeeb tshaj yog nyob rau hauv qhov chaw ua haujlwm siab lossis qhov chaw ua haujlwm siab. Tsim nyog tsim kom muaj cua sov dissipation yog qhov tseem ceeb. Xaiv cov diodes uas tsis tshua muaj zog thiab sib txuam nrog cov dab dej kub uas tsim nyog tuaj yeem ua kom ntev lub neej ntawm lub inverter.

Hom hom diodes siv hauv inverter
Schottky diode
Schottky diodes muaj cov yam ntxwv ntawm kev poob qis rau pem hauv ntej thiab lub sijhawm rov qab sai, ua rau lawv xaiv qhov zoo tshaj plaws rau high-frequency inverters. Nws qhov tsis zoo yog qhov rov qab tiv thaiv hluav taws xob yog qhov tsawg, yog li nws feem ntau yog siv rau hauv cov ntawv siv hluav taws xob tsawg.

Fast rov qab diode
Cov yam ntxwv ntawm ceev rov qab diodes yog lawv lub sij hawm rov qab luv luv, ua rau lawv haum rau nruab nrab mus rau siab zaus inverter daim ntaub ntawv. Lawv feem ntau muaj qhov siab rov qab tiv taus hluav taws xob thiab tsim nyog rau kev khiav hauj lwm ntawm cov hluav taws xob ntau dua.

Ultrafast rov qab diode
Ultra ceev rov qab diode yog ib tug ntaus ntawv optimized nyob rau hauv lub hauv paus ntawm ceev rov qab diode, haum rau cov xav tau kev pab nyob rau hauv high-frequency daim ntaub ntawv. Hom diode no muaj lub sij hawm rov qab luv dua, tuaj yeem txo qhov kev poob qis, thiab txhim kho inverter efficiency.

Standard diode thiab rectifier diode
Hauv qee qhov kev siv qis qis lossis qis qis, tus qauv diodes lossis rectifier diodes tseem siv dav. Txawm hais tias lawv muaj lub sijhawm rov qab los ntev dua, cov diodes tseem muaj qhov zoo hauv qee qhov kev siv qis.

Cov ntaub ntawv tswv yim ntawm diodes hauv kev siv inverter
Hnub ci inverter
Nyob rau hauv hnub ci inverters, diodes feem ntau yog siv los tiv thaiv tam sim no los ntawm photovoltaic panels los ntawm ntws rov qab mus rau lub inverter thaum hmo ntuj, thaum muab kev sib cais ntawm ntau cov hlua photovoltaic. Schottky diodes feem ntau siv rau hauv cov ntawv thov vim tias lawv qhov qis qis qis tuaj yeem txo qis zog poob mus rau qhov loj tshaj plaws.

Electric tsheb inverter
Lub tsheb fais fab inverters xav tau kev ua haujlwm siab thiab kev ntseeg siab, yog li kev rov qab sai lossis ultra ceev rov qab diodes feem ntau yog siv los txhim kho kev ua haujlwm zoo thiab ua kom muaj kev ruaj ntseg hauv qhov chaw kub.

Uninterruptible Power Supply (UPS)
Kev ntseeg siab ntawm diodes yog qhov tseem ceeb hauv UPS systems. Rectifiers thiab ceev rov qab diodes feem ntau yog siv nyob rau hauv xws li systems los xyuas kom meej cov lus teb sai thiab ruaj khov fais fab mov thaum lub sij hawm hloov hluav taws xob.

Kev cia siab yav tom ntej
Nrog rau txoj kev loj hlob ntawm lub zog tshiab thiab cov phiajcim ntse, qhov kev thov rau inverters yog tas li nce, thiab tus tsim ntawm diodes kuj tseem txhim kho tas li. Nyob rau hauv lub neej yav tom ntej, nrog rau kev txhim kho cov khoom siv thev naus laus zis tshiab xws li silicon carbide (SiC) thiab gallium nitride (GaN) diodes, kev ua tau zoo thiab kev ntseeg siab ntawm inverters yuav raug txhim kho ntxiv. Lub caij no, nrog rau kev txhim kho ntawm lub zog hluav taws xob thev naus laus zis, daim ntawv thov scenarios ntawm diodes hauv inverters yuav dhau los ua ntau dua, thiab cov kev daws teeb meem tshiab yuav tshwm sim.

https://www.trrsemicon.com/diode/1-0a-fast-recov-ery-rectifier-1f2.html