Cov txheej txheem tiv thaiv kev nyab xeeb ntawm lub tshuab ntsuas hluav taws xob yog cov qauv tsim los ua kom muaj kev nyab xeeb ntawm cov neeg ua haujlwm thiab cov khoom siv. Lawv feem ntau suav nrog plaub pawg: hluav taws xob kev nyab xeeb, kev tiv thaiv kev ua haujlwm, kev hloov pauv ib puag ncig, thiab kev ceeb toom ntxov, ua kom muaj kev ruaj ntseg thiab txhim khu kev qha hauv kev ua haujlwm nyuaj.
Intrinsically Electrical Safety Design (Hardware{0}}Kev Tiv Thaiv Qib)
Forced Grounding thiab Peb -Point Common Av
Lub tester casing, lub thawv ua haujlwm, thiab siab -voltage tail davhlau ya nyob twg (X davhlau ya nyob twg) yuav tsum ua tiav "peb-point common ground." Lub grounding kuj yuav tsum tau<4Ω, verified by actual measurement using a ground resistance meter.
Qhov no tiv thaiv lub casing los ntawm kev ua kom muaj zog vim muaj peev xwm ntab, tsis txhob muaj kev pheej hmoo ntawm hluav taws xob poob siab.
Dual Overvoltage tiv thaiv
Discharge Gap: Lub preset tawm voltage yog 1.1 npaug ntawm qhov ntsuas hluav taws xob (piv txwv li, rau qhov ntsuas 100kV, qhov sib txawv yog kho rau 11cm). Nyob rau hauv cov ntaub ntawv ntawm overvoltage, huab cua tawg yog qhov tseem ceeb rau kev nyem nyem.
Intelligent Overcurrent Protection: Built-in electronic trip unit automatically cuts off the power supply within 0.1 seconds when the current suddenly increases by >30% (piv txwv li, flashover ntawm cov khoom ntsuas capacitive). Forced Series kev sib txuas ntawm kev tiv thaiv Resistors
Ib qho dej resistor lossis silicon carbide resistor (Rb Ntau dua lossis sib npaug ntawm 100Ω / kV) yuav tsum tau txuas nrog hauv series ntawm qhov siab -voltage output davhlau ya nyob twg los txwv qhov luv luv -circuit tam sim no rau<1A and prevent arc burns caused by test sample breakdown.
Kev tiv thaiv tus cwj pwm thaum ua haujlwm
Tsib -Khiav Kev Nyab Xeeb Pib- nce txheej txheem
① Kos grounding → ② Zero lub voltage regulator → ③ Ua 10% tsis muaj -load voltage nce rau kev kuaj xyuas → ④ Txuas cov qauv kuaj → ⑤ nce qhov voltage hauv theem (ceev ua ntej 75%, 2% / thib ob tom qab 75%) los tiv thaiv kev ua haujlwm tsis raug.
Anti-Tshuaj kov thiab Mechanical Interlock
Lub qhov hluav taws xob tswj lub pob qhov rooj yog nruab nrog qhov chaw "zero lock"; lub Circuit Court breaker tsis tuaj yeem kaw yog tias nws tsis yog xoom. Qhov no yog ua ke nrog kev txwv tsis pub siv tshuab thiab hluav taws xob cuam tshuam rau kev tiv thaiv ob.
High-voltage bushings are equipped with insulating covers (diameter>15cm) los tiv thaiv kev sib cuag.
Tsiv thaiv kab mob thaum kuaj yog txwv
Thaum lub sij hawm ntsuas, nws yog nruj me ntsis txwv tsis pub txiav los yog txuas lub xeem cable. Kev ua haujlwm tsuas yog tso cai tom qab qhov ntsuas tau rov pib dua thiab lub tswb tso tawm tau xaus los tiv thaiv kev raug mob los ntawm qhov seem seem.
Intelligent System Active Protection
Tsis Siv Neeg Tso Tawm thiab Arc Txhaum Mechanism
Tom qab qhov kev xeem, lub ntsuas yuav qhib lub qhov hluav taws xob tawm, thiab lub tswb nrov nrov. Kev kuaj cov txhuas yuav tsum raug txiav tsuas yog tom qab lub tswb nres kom tsis txhob muaj hluav taws xob poob.
Rau inductive loads (xws li transformer windings), lub sij hawm tso tawm yuav tsum yog tsawg kawg yog 5 feeb.
Ntau lub tswb thiab nres thaum muaj xwm ceev
Nruab nrog ntau lub tswb ua haujlwm suav nrog overcurrent, overvoltage, IGBT tiv thaiv, thiab tiv thaiv tawm. Thaum pib, lub hwj chim tswj Circuit Court yuav tsum tau txiav thiab rov pib dua.
Nceb liab- zoo li lub khawm nres thaum muaj xwm ceev nyob ntawm ob sab ntawm lub ntsuas. Nias lawv txiav tawm lub hwj chim thiab ua rau cov hluav taws xob tawm hauv 0.05 vib nas this.
Tsis Siv Neeg Tso Tawm Thaum Lub Hwj Chim poob
Nyob rau hauv qhov xwm txheej ntawm AC220V fais fab tuag tam sim ntawd, tus tester cia li nkag mus rau hom kev tso tawm. Kev txiav tawm yog txwv tsis pub 5 feeb kom muaj kev nyab xeeb.
