-
Parallel resistance device
Cov khoom siv sib xyaw ua ke yog ib txheej ntawm cov khoom siv tiv thaiv kab kev xaiv cov cuab yeej nruab rau hauv kev sib txuas nrog qhov nruab nrab ntawm qhov system thiab txuas nrog arc suppression coil.Zoo dua thiab raug xaiv ntawm cov kab txhaum.Nyob rau hauv lub arc-suppressing coil system, lub parallel resistance integrated kab xaiv khoom siv tau los ua kom tiav 100% kab xaiv raug.Cov khoom siv sib txuas ua ke, lossis cov khoom sib txuas ua ke, yog tsim los ntawm cov khoom siv hauv av, cov khoom siv hluav taws xob siab, cov khoom siv hluav taws xob tam sim no, cov khoom siv hluav taws xob tam sim no thiab cov tshuab hloov pauv, kev hloov pauv kev tswj hwm, thiab kev txhawb nqa kev xaiv kab ke.
-
Generator nruab nrab point grounding kuj txee
Lub nruab nrab taw tes grounding kuj txee ntawm Hongyan generator yog ntsia nruab nrab ntawm qhov nruab nrab ntawm lub tshuab hluav taws xob thiab hauv av.Thaum lub sijhawm ua haujlwm ntawm lub tshuab hluav taws xob, ib theem hauv av yog qhov txhaum ntau tshaj plaws, thiab qhov txhaum yuav nthuav dav ntxiv thaum arcing yog grounded.Stator winding rwb thaiv tsev puas los yog txawm hlau core burns thiab sintering.Thoob ntiaj teb, rau ib-theem av txhaum nyob rau hauv lub tshuab hluav taws xob systems, high-resistance grounding ntawm nruab nrab point ntawm generators yog dav siv los txwv cov av tam sim no thiab tiv thaiv ntau yam overvoltage txaus ntshai.Lub ntsiab lus nruab nrab tuaj yeem raug grounded los ntawm ib qho resistor los txwv qhov txhaum tam sim no rau qhov tsim nyog tus nqi, txhim kho qhov kev xav ntawm kev tiv thaiv relay thiab ua rau tripping;Nyob rau tib lub sijhawm, tsuas yog qhov chaw kub hnyiab me ntsis tuaj yeem tshwm sim ntawm qhov chaw ua txhaum, thiab qhov kev hloov pauv hloov pauv tau txwv rau cov kab hluav taws xob ib txwm muaj.2.6 lub sij hawm ntawm qhov nruab nrab qhov hluav taws xob, uas txwv qhov rov ua hluav taws xob ntawm lub arc;tiv thaiv qhov sib txawv arc overvoltage los ntawm kev puas tsuaj rau cov khoom tseem ceeb;Nyob rau tib lub sijhawm, nws tuaj yeem tiv thaiv ferromagnetic resonance overvoltage, yog li ua kom muaj kev nyab xeeb ntawm lub tshuab hluav taws xob.
-
Transformer nruab nrab point grounding kuj txee
Nyob rau hauv 6-35KV AC zog daim phiaj ntawm kuv lub teb chaws lub hwj chim system, muaj ungrounded nruab nrab cov ntsiab lus, grounded los ntawm arc suppression coils, high-resistance grounded, thiab me me-kuj grounded.Nyob rau hauv lub hwj chim system (tshwj xeeb tshaj yog lub nroog network fais fab mov system nrog cables raws li lub ntsiab kis tau tus mob kab), lub hauv av capacitive tam sim no loj, uas yuav ua rau qhov tshwm sim ntawm "intermittent" arc av overvoltage muaj tej yam kev mob "tseem ceeb", ua rau arcing. Daim ntawv thov ntawm qhov nruab nrab taw tes tiv thaiv grounding txoj kev rau tiam ntawm grounding overvoltage tsim ib tug tso tawm channel rau lub zog (them) nyob rau hauv daim phiaj-rau-hauv av capacitance, thiab injects resistive tam sim no rau hauv qhov txhaum point, ua rau lub grounding txhaum tam sim no coj mus rau hauv tus account. qhov tsis kam-capacitance xwm, txo thiab Theem lub kaum sab nraud qhov sib txawv ntawm qhov hluav taws xob txo qhov rov ua hluav taws xob tom qab qhov tam sim no ntawm qhov chaw txhaum hla xoom thiab ua rau qhov "tseem ceeb" ntawm lub arc overvoltage, kom lub overvoltage txwv tsis pub dhau 2.6 lub sij hawm ntawm theem voltage, thiab nyob rau tib lub sij hawm guarantees high-rhiab heev hauv av txhaum kev tiv thaiv Cov khoom raug txiav txim thiab txiav tawm lub thawj thiab thib ob faults ntawm lub feeder, yog li zoo tiv thaiv cov kev ua haujlwm ntawm lub cev.
-
Grounding kuj txee
Nrog txoj kev loj hlob sai ntawm daim phiaj hluav taws xob hauv nroog thiab nyob deb nroog, kev hloov pauv loj tau tshwm sim hauv cov qauv hluav taws xob hluav taws xob, thiab cov kev faib hluav taws xob uas muaj cov kab hluav taws xob tau tshwm sim.Lub hauv av capacitance tam sim no tau nce sharply.Thaum ib qho kev ua txhaum hauv av ib zaug tshwm sim hauv qhov system, muaj tsawg dua thiab tsawg dua qhov ua txhaum.Kev siv cov kev tiv thaiv hauv av tsis yog tsuas yog hloov mus rau txoj kev loj hlob tseem ceeb thiab hloov cov kev cai ntawm kuv lub teb chaws daim phiaj hluav taws xob, tab sis kuj txo qhov rwb thaiv tsev ntawm cov khoom siv hluav taws xob xa mus los ntawm ib lossis ob qib, txo kev nqis peev ntawm tag nrho cov phiaj xwm hluav taws xob.Txiav tawm qhov txhaum, suppress lub resonance overvoltage, thiab txhim kho kev nyab xeeb thiab kev ntseeg siab ntawm lub hwj chim system.
-
Damping resistor lub thawv
Txhawm rau tiv thaiv qhov tsis sib npaug ntawm qhov tsis sib xws ntawm qhov nruab nrab ntawm cov kab sib chaws los ntawm kev nce ntxiv vim qhov kev tawm tswv yim thiab kev ntsuas ntawm arc suppression coil thaum lub arc suppression coil ntawm qhov kev hloov kho ua ntej them nyiaj ua haujlwm nyob rau hauv lub xeev ib txwm muaj ntawm daim phiaj hluav taws xob. , nws yog researched thiab tsim.Thaum daim phiaj hluav taws xob ua haujlwm ib txwm ua, kho qhov inductance ntawm arc suppression coil mus rau txoj haujlwm tsim nyog ua ntej, tab sis lub sij hawm no cov inductance thiab capacitive reactance yog kwv yees li sib npaug, uas yuav ua rau cov kab hluav taws xob hauv lub xeev ze rau resonance, ua rau. qhov nruab nrab point voltage nce.Txhawm rau tiv thaiv qhov no Yog tias qhov tshwm sim tshwm sim, damping resistor ntaus ntawv ntxiv rau arc suppression coil them nyiaj ntaus ntawv hauv kev hloov kho ua ntej, txhawm rau txhawm rau txhawm rau tshem tawm qhov hluav taws xob ntawm qhov nruab nrab taw tes rau qhov yuav tsum tau ua thiab xyuas kom zoo. kev ua haujlwm ntawm lub zog hluav taws xob network.
-
Ua kom tiav cov theem-tswj arc suppression coil
Kev piav qhia ntawm tus qauv
Cov theem-tswj arc suppression coil tseem hu ua "high short-circuit impedance type", uas yog, thawj winding ntawm arc suppression coil nyob rau hauv tag nrho cov cuab yeej txuas nrog rau qhov nruab nrab ntawm qhov chaw faib khoom raws li kev ua haujlwm winding, thiab Qhov thib ob winding yog siv raws li kev tswj winding los ntawm ob reversely txuas Lub thyristor yog luv luv-circuited, thiab lub luv luv-circuit tam sim no nyob rau hauv lub thib ob winding yog kho los ntawm kev kho lub conduction lub kaum sab xis ntawm lub thyristor, thiaj li kom paub qhov kev hloov kho ntawm lub thyristor. reactance tus nqi.kho tau.
Lub kaum sab xis ntawm lub thyristor sib txawv ntawm 0 txog 1800, yog li qhov sib npaug impedance ntawm thyristor txawv ntawm infinity mus rau xoom, thiab cov nyiaj tso tawm tam sim no tuaj yeem hloov kho tsis tu ncua ntawm xoom thiab tus nqi ntsuas.
-
Capacitance-adjustable arc suppression coil tiav teeb
Kev piav qhia ntawm tus qauv
Lub peev xwm-hloov arc suppressing kauj yog ntxiv cov kauj ruam thib ob rau arc suppressing coil ntaus ntawv, thiab ntau pab pawg ntawm cov khoom siv hluav taws xob tau txuas nrog rau tib lub sijhawm ntawm lub kauj kauj, thiab nws cov qauv yog qhia hauv daim duab hauv qab no.N1 yog lub ntsiab winding, thiab N2 yog qhov thib ob winding.Ob peb pawg ntawm cov capacitors nrog lub tshuab nqus tsev hloov lossis thyristors txuas nrog nyob rau hauv qhov sib npaug ntawm ob sab los kho cov capacitive reactance ntawm lub thib ob sab capacitor.Raws li lub hauv paus ntsiab lus ntawm impedance hloov dua siab tshiab, kho lub capacitive reactance tus nqi ntawm lub thib ob sab yuav ua tau raws li qhov yuav tsum tau ntawm kev hloov lub inductor tam sim no ntawm thawj sab.Muaj ntau qhov sib txawv permutations thiab kev sib xyaw ua ke rau qhov loj ntawm tus nqi capacitance thiab tus naj npawb ntawm cov pab pawg kom tau raws li qhov yuav tsum tau ua ntawm kev hloov kho ntau yam thiab precision.
-
Ua kom tiav txheej ntawm bias magnetic arc suppression coil
Kev piav qhia ntawm tus qauv
Biasing hom arc suppressing coil txais kev npaj ntawm cov hlau nplaum hlau ntu hauv AC coil, thiab qhov sib nqus permeability ntawm cov tub ntxhais hlau yog hloov los ntawm kev siv DC excitation tam sim no, kom paub qhov kev hloov kho tas li ntawm qhov inductance.Thaum ib theem av txhaum tshwm sim hauv daim phiaj hluav taws xob, tus maub los tam sim ntawd kho cov inductance kom them rau hauv av capacitance tam sim no.
-
HYXHX series ntse arc suppression ntaus ntawv
Nyob rau hauv kuv lub teb chaws 3 ~ 35KV fais fab mov system, feem ntau ntawm lawv yog nruab nrab point ungrounded systems.Raws li cov kev cai hauv teb chaws, thaum ib theem av tshwm sim, lub kaw lus raug tso cai ua haujlwm nrog kev ua txhaum rau 2 teev, uas txo cov nqi khiav lag luam thiab txhim kho kev ntseeg siab ntawm cov khoom siv hluav taws xob.Txawm li cas los xij, vim tias maj mam nce hauv lub peev xwm ntawm lub zog ntawm lub zog, cov khoom siv hluav taws xob yog Cov kab hluav taws xob tau maj mam hloov mus rau hauv kab kab, thiab lub peev xwm tam sim no ntawm qhov system mus rau hauv av yuav loj heev.Thaum lub kaw lus yog ib-theem grounded, lub arc tsim los ntawm ntau tshaj capacitive tam sim no tsis yooj yim rau tua, thiab nws yog heev yuav evolve mus rau hauv intermittent arc grounding.Lub sijhawm no, lub arc grounding overvoltage thiab ferromagnetic resonance overvoltage zoo siab los ntawm nws yuav ua rau nws ua phem rau kev nyab xeeb ntawm daim phiaj hluav taws xob.Ntawm lawv, ib leeg-theem arc-av overvoltage yog qhov loj tshaj plaws, thiab cov theem overvoltage ntawm cov theem tsis muaj kev txhaum tuaj yeem ncav cuag 3 mus rau 3.5 npaug ntawm qhov kev khiav hauj lwm theem voltage.Yog hais tias xws li ib tug siab overvoltage ua nyob rau hauv lub hwj chim daim phiaj rau ob peb teev, nws yuav inevitably puas lub rwb thaiv tsev ntawm cov khoom siv hluav taws xob.Tom qab ob peb zaug ntawm kev puas tsuaj rau lub rwb thaiv tsev ntawm cov khoom siv hluav taws xob, qhov tsis muaj zog ntawm rwb thaiv tsev yuav raug tsim, uas yuav ua rau muaj kev sib tsoo ntawm cov rwb thaiv tsev hauv av thiab luv luv Circuit Court ntawm theem, thiab tib lub sij hawm ua rau rwb thaiv tsev tawg ntawm cov khoom siv hluav taws xob (tshwj xeeb tshaj yog. lub rwb thaiv tsev tawg ntawm lub cev muaj zog)), lub cable blasting tshwm sim, lub saturation ntawm lub voltage transformer nkoos lub ferromagnetic resonance lub cev kub hnyiab, thiab tawg ntawm tus ntes thiab lwm yam xwm txheej.
-
Ua tiav cov txheej txheem tig-kho arc suppression coil
Hauv kev hloov pauv thiab kev xa tawm network, muaj peb hom kev nruab nrab ntawm qhov nruab nrab ntawm qhov av, ib qho yog qhov nruab nrab ntawm qhov tsis sib haum xeeb, lwm qhov yog qhov nruab nrab ntawm qhov nruab nrab ntawm arc suppression coil grounding system, thiab lwm qhov yog qhov nruab nrab ntawm qhov tsis kam. grounding qhov system.
