Umkhiqizi we-Circuit Breaker wekhwalithi ephezulu we-DC

Ukwahlukanisa

Uhlobo

Ububanzi Bamanje/I-Voltge

Izimpawu Ezisemqoka

Ngokwakha

DCI-MCB (Encane)

2A – 125A, 250V – 1000V DC

Ukukhweza ujantshi we-DIN, izilungiselelo zohambo olungaguquki, i-PV yokuhlala/yezohwebo

DCI-MCCB (Ikesi Elibunjiwe)

10A – 2500A, 500V – 1500V DC

Amayunithi ohambo alungisekayo, umthamo omkhulu wokuphuka, izimboni/usizo

DCI-I-ACB (Air Circuit Breaker)

630A – 6300A, 1000V DC

Idizayini yokudonsa, ukuvikela ngogesi, ukusatshalaliswa kwamandla

I-Solid-State DC Breaker

100A – 5000A, kufika ku-1500V DC

I-Semiconductor-based, <1ms ukusebenza, akukho ukuqoshwa, izindleko zeprimiyamu

Ngokwesilinganiso se-Voltage

Amandla kagesi aphansi

12V – 250V DC

Ezezimoto, zasolwandle, ezokuxhumana

I-Medium Voltage (PV Standard)

250V - 1000V DC

Izintambo ze-Solar PV, amabhokisi okuhlanganisa, indawo yokuhlala/yokuhweba

Amandla kagesi aphezulu

1000V - 1500V DC

I-PV yesikali sokusetshenziswa, isitoreji sebhethri, ukushaja okusheshayo kwe-EV 

Nge-Pole Configuration

1-Isigxobo

250V DC

I-PV yochungechunge olulodwa, i-low-voltage DC

2-Pole (Uchungechunge)

500V - 750V DC

I-Mid-voltage PV, uxhumano lwe-dual-pole series

3-Isigxobo

750V DC

Izigaba ezintathu ze-DC izinhlelo, izimboni ezikhethekile

4-Pole (Uchungechunge)

1000V - 1500V DC

I-PV ene-voltage ephezulu, amarack ebhethri, ingqalasizinda ye-EV 

Ngo-Trip Technology

I-Thermal-Magnetic

2A – 800A

I-Bimetallic overload + i-solenoid short-circuit, iyonga

I-elekthronikhi

100A – 2500A

I-Microprocessor-based, amajika aguquguqukayo, ukuxhumana

Magnetic Kuphela

10A – 100A

I-short-circuit kuphela, ukuvikelwa kwemoto, ukusebenza okusheshayo

Ipharamitha

I-AC Arc

I-DC Arc

I-waveform yamanje

I-Sinusoidal, i-zero-crossing njalo ngo-10ms (50Hz)

Ubukhulu obuqhubekayo, obuqhubekayo

I-voltage ye-arc

Iyashintshashintsha ngokwamanje

Izinzile, idinga ukuqothulwa ngempoqo

Ukuqedwa kwe-arc

Imvelo ekuweleni uziro

Ukwelula okuphoqiwe + ukupholisa kuyadingeka

Amandla e-arc

Ishayekile, isilinganiso esiphansi

Ukushisa okuqhubekayo, okugxilile

Xhumana nokugqoka

Kuphakathi

Kunzima ngaphandle kokucisha okufanele

Igebe elidingekayo

Encane

I-2-3× enkulu ku-voltage efanayo

Ubuchwepheshe

Indlela

Isicelo

Ukusebenza

I-Magnetic Blowout

I-Lorentz force F = I × L × B ishayela i-arc ibe amapuleti ahlukanisayo ku-50-200 m/s

I-Universal ye-DC MCB/MCCB

Okuvame kakhulu, okungabizi kakhulu, ukuphulwa kwe-10-20kA

I-Arc Chute enama-Splitter Plates

I-arc ihlukaniswe yaba izingxenye zochungechunge, ipholile, i-deionized

Okujwayelekile kuwo wonke ama-DC breaker

Ingxenye ebalulekile, ukwehla kwamandla kagesi ngepuleti ngalinye 30-50V

Ozibuthe Abahlala Phakade

Ozibuthe be-NdFeB (0.1-0.3T) baqondana nendlela ye-arc

I-Compact DC MCBs

Awekho amandla angaphandle, izinga lokushisa lizinzile kufika ku-150°C

Ikhoyili ye-Electromagnetic Blowout

Ikhoyili ezizinika amandla yenza inkambu ilingane ne-fault current

Ama-MCCB amanje aphezulu

Phoqa ukwanda ngokuvikela kwamanje, okuguquguqukayo

Ukuphazamiseka kweVacuum

I-arc icishiwe ku-vacuum (ayikho i-ionizable medium)

I-high-voltage DC, ekhethekile

Ilungele > 1000V DC, impilo ende, iyabiza

I-Air Blast

Umoya ocindezelwe uyaphola futhi welule i-arc

Izimboni zamandla aphezulu, ifa

Ukugcinwa okuphezulu, okungavamile ukusetshenziswa emiklamo yesimanje 

Umkhakha Wezimboni

Isicelo Esiqondile

Imininingwane Ejwayelekile

Izidingo Ezibalulekile

I-Solar PV (Indawo yokuhlala)

Ukuvikelwa kwentambo, amabhokisi okuhlanganisa

10A-32A, 250V-500V DC, 2-pole, Uhlobo C ijika

Ukumelana ne-UV, i-IP65 ebiyelwe, i-20kA Icu

I-Solar PV (Ezohwebo)

Ibhokisi lenhlanganisela eliyinhloko, ukuvikelwa kwe-inverter

63A-125A, 500V-1000V DC, 4-pole, 10-20kA Icu

I-ambient ephezulu (60°C), ukumelana kwamanje okubuyela emuva

I-Solar PV (Umbuso)

I-inverter ephakathi, iqoqo le-DC

250A-800A, 1000V-1500V DC, DC MCCB, 50kA Icu

Ukuxhumana okukhethiwe, ukuqapha okukude

Isitoreji Amandla Ebhethri

Ukuvikelwa kwe-rack yebhethri, ibhasi le-DC

125A-630A, 750V-1500V DC, uhambo lwe-elekthronikhi, izigxobo ezi-4

Isivikelo sezinhlangothi ezimbili, umthamo wesifunda esifushane esiphezulu

Ukushaja kwe-EV

Ukuvikelwa kweshaja okusheshayo kwe-DC, isixhumi esibonakalayo sebhethri

200A-400A, 500V-1000V DC, ukukhuthazela okuphezulu

Ukusebenza njalo, ukungena okuphezulu, ukuphepha kwe-SIL 2

Izikhungo Zedatha

Ukusabalalisa okungu-380V DC, ukuvikelwa kwe-UPS

63A-250A, 380V DC, ukuphuka okuphezulu, amandla aphansi ukudlula

Isikhathi sokuphumula esincane, ukuxhumana okukhethiwe

Umzila Wesitimela

I-Metro, i-tram, ujantshi we-DC supply

1000A-4000A, 750V-1500V DC, DC ACB

Ukukhuthazela okuphezulu kwemishini, ukumelana nokudlidliza

Osolwandle/Olwandle

Thumela ukusatshalaliswa kwe-DC, amapulatifomu angaphesheya kwezilwandle

100A-400A, 500V DC, ukumelana nokugqwala

Isifutho sikasawoti, i-tropicalized, i-redundant tripping 

Isiteji

Imininingwane Yenqubo

Amaphuzu Okulawula Ikhwalithi

Contact Fabrication

I-Silver-tungsten (AgW 70/30) noma i-copper-tungsten (CuW 80/20) amathiphu okuxhumana, ukugxilisa izithwali zethusi, ukusula ukwakheka kwejometri

Ukuqina kwe-HV 120-180, ukumelana nokuguguleka kwe-arc, ukumelana nokuxhumana <1mΩ, amandla okubrazi>80MPa

I-Arc Chute Construction

Amapuleti e-Ceramic splitter (amapuleti ayi-6-15 kuye nge-voltage), abagijimi bensimbi be-arc, ukuhlanganiswa kwamagnetic unomphela, i-arc chamber geometry eyenziwe kahle

Amandla e-Dielectric >3kV, isikhathi sokucisha i-arc esingu-<10ms, ubuningi be-magnetic flux 0.15-0.25T

I-Magnetic Blowout System

Ukubekwa kukazibuthe unomphela kwe-NdFeB (ibanga le-N52), ukwenziwa kwemishini yesigxobo, ukwenziwa kahle kwesekethe kazibuthe, isinxephezelo sezinga lokushisa

Ukuminyana kwe-Flux ± 10% ukubekezelela, izinga lokushisa elilingana nesilinganiso sokushisa -0.1%/°C, ukumelana ne-demagnetization

Mechanism Assembly

Ukushintsha ukwenza okusheshayo/kwekhefu elisheshayo, isitoreji samandla entwasahlobo, ukuxhumana okungenahambo, ingcindezi yokuxhumana

Isivinini sokuvula othintana naye >1.2 m/s, ukubekezela komshini imijikelezo engu-20,000, isikhathi sohambo <20ms

Ukulinganisa Iyunithi Yohambo

I-Bimetallic thermal element calibration (±5% ukunemba), ukulungiselelwa kwegebe kazibuthe, ukuqinisekiswa kwejika lesikhathi samanje

1.05×Ngokungahambi, 1.25×Ngohambo <1h, 5×Ngokuphazima kweso, ukungena kwedatha

Ukuhlola Okuphezulu Kwamanje

Ukuhlolwa komjovo oyinhloko ku-10kA-20kA, ukuqinisekiswa kokushabalala kwe-arc, ukukalwa kokukhuphuka kwezinga lokushisa

Ukuqinisekiswa kwamandla okuphula, ukugqokwa kokuxhumana <5% ngemuva kokuhlolwa, ukutakula kwe-dielectric 

Isakhi

Ukucaciswa Kwempahla

Amazinga Womphakeli

Izakhiwo Eziyinhloko

Oxhumana Nabo Abakhulu

I-Silver-tungsten (AgW 70/30) noma i-copper-tungsten (CuW 80/20)

I-ASTM B702, IEC 60368

Ukumelana nokuguguleka kwe-arc okuphezulu, i-anti-welding, i-conductivity 45-55% IACS

I-Arc Chute Plates

I-Alumina ceramic (Al₂O₃ 95%) noma i-steatite

I-IEC 60672

Ukumelana nokushisa >1200°C, amandla e-dielectric >15kV/mm, ukucisha i-arc

Ozibuthe Abahlala Phakade

I-NdFeB N52 (Neodymium-Iron-Boron)

I-IEC 60404-8-1

I-Remanence 1.48T, ukuphoqelelwa >1000kA/m, izinga lokushisa lizinzile ukuya ku-150°C

Izingcezu Zezigxobo Zezibuthe

Insimbi ephansi ye-carbon 1008 noma insimbi ye-silicon

I-ASTM A1008

I-permeability ephezulu, i-remanence ephansi, isiqondiso se-magnetic flux

Ikesi Elibunjiwe

I-BMC (DMC-2) thermosetting noma i-PA66 GF30

I-IEC 60664-1, UL 94 V-0

Inkomba yokulandela i>600V, ukumelana nokushisa okungu-180°C, ukuqukatha kwe-arc

Xhumana ne-Springs

I-Beryllium yethusi (CuBe2) noma insimbi engagqwali 301

I-ASTM B196

Impilo yokukhathala > imijikelezo engu-50,000, ingcindezi engaguquki, ukumelana nokugqwala

Amatheminali

I-Copper C11000 enethayela noma isiliva

I-ASTM B187

Ukuminyana kwamanje 1.5-2.0 A/mm², ukumelana nokuxhumana okuphansi, ukumelana ne-oxidation

I-Bimetallic Elements

Inhlanganisela yensimbi engafakwanga/passivated

I-ASTM B388

Izinga lokuchezuka 0.2mm/°C, ukuzinza ±3%, ukunemba kokulinganisa ±5%

I-Electronic Components (kwamayunithi ohambo lwe-elekthronikhi)

Ama-PCB ebanga lezimboni, izinzwa zehholo, ama-ARM processors

I-IEC 60721-3-3

-25°C kuya ku-+70°C ukusebenza, i-EMC Level 3, i-SIL 2 iyakwazi 

Okujwayelekile

Ububanzi

Izilinganiso Ezisebenzayo

I-IEC 60947-2

I-Low-voltage switchgear - Izinqamuli zesekethe (kufaka phakathi i-DC)

Izinga elijwayelekile lama-DC breaker kufika ku-1500V DC

I-IEC 60898-2

Ama-Circuit breaker okusebenza kwe-DC (yasekhaya)

Ama-DC MCB afika ku-125A, 220V DC (1-pole), 440V DC (2-pole)

I-IEC 61643-31

Ama-SPD wezinhlelo zokusebenza ze-photovoltaic

Ukuhlanganiswa kokuvikelwa kwe-DC nama-breaker

I-GB/T 14048.2

Izinga lezwe laseShayina

Isitifiketi se-CCC semakethe yaseChina

Isigaba sokuhlola

Ukuhlolwa Okuthize

Imibandela Yokwamukela

Izinga lokushisa liyakhuphuka

Okuqhubekayo okwamanje ku-rated In

Amatheminali ≤80K (isiliva), ≤65K (ayingenalutho), ikesi ≤40K

Izakhiwo zeDielectric

I-Power-frequency ukumelana (2.5kV-3.5kV/1min), impulse (8kV)

Akukho ukuhlukana, akukho flashover

Izimpawu zokuhamba

Ukulayisha ngokweqile: 1.05×In (alukho uhambo), 1.25×In/1.45×In (uhambo lungaphakathi kwemikhawulo)

Izikhathi ezijwayelekile zokuhamba ngejika ngalinye

Umjikelezo omfushane: 5×In, 10×Ngohambo olusheshayo

<20ms ukusebenza

Ukusebenza Kokusebenza

Mechanical: 20,000 imijikelezo; Ugesi: imijikelezo eyi-10,000

<5% ukukhukhuleka kwepharamitha

I-Short-Circuit Breaking

I-Icu (eyokugcina), i-Ics (isevisi) ku-voltage ye-DC elinganiselwe

Ukuphazamiseka okube yimpumelelo, akukho ukushisela othintana naye

Okubalulekile Ukulayisha Kwe-DC Yamanje

Ukuqinisekiswa kwemikhawulo yesikhathi se-arcing

Awekho ama-arcing ngokweqile phakathi kwebanga elilinganiselwe

Ukuqinisekiswa kwe-Magnetic Blowout

Isikhathi sokuqothulwa kwe-arc, ubuqotho begumbi le-arc

<10ms ubude be-arc, akukho ukwephulwa kwegumbi

Ezemvelo

Ukushisa okumanzi, amakhaza, ukushisa okomile, ukudlidliza

Isebenza ngemuva kokulungiswa 

Okubalulekile

Izinto Zokuhlola

Uhlelo lwesampula

Izisetshenziswa

Amathiphu okuxhumana we-Tungsten

Ukuminyana, ubulukhuni, okuqukethwe kwesiliva, ukubekezelelana kobukhulu

Ngeqoqo ngalinye

I-Spectrometer, isihloli sokuqina, i-CMM

Izibuthe ze-NdFeB

Remanence, coercivity, izinga lokushisa i-coefficient, Plating

Ngeqoqo ngalinye

I-Hysteresisgraph, ikhoyili ye-Helmholtz

Amapuleti e-Ceramic

Amandla e-Dielectric, ukumelana nokushaqeka okushisayo, ubukhulu

Ngeqoqo ngalinye

Umhloli we-Dielectric, igumbi lokushaqeka okushisayo

Abathwali bethusi

I-Conductivity, ubulukhuni, ukushuba kwe-plating

Ngeqoqo ngalinye

Conductivity imitha, micrometer, XRF

Ipulasitiki ye-thermosetting

Okuqukethwe kwengilazi, i-viscosity, isikhathi sokwelapha, ukuvutha

Ngeqoqo ngalinye

I-DSC, inkomba yokugeleza okuncibilikayo, amathuluzi we-UL 94

Isiteshi

Lawula Amapharamitha

Imvamisa

Indlela

Ukuqinisa othintana naye

Izinga lokushisa 800-850°C, umoya, amandla ahlangene

Njalo ngamayunithi ayi-100

I-Thermocouple, i-shear tester, i-metallography

Ukubekwa kwezibuthe

Ukuqinisekiswa kwe-polarity, ukuminyana kwe-flux, ukuqondanisa

Wonke amayunithi

Imitha ye-flux, uhlelo lombono

Ukuhlanganiswa kwe-arc chute

Isikhala sepuleti, ukuqondanisa kazibuthe, ijometri yomgijimi

Njalo ngamayunithi angama-50

Amageji okuhamba/okungazuhambeki, imephu ye-flux density

Ukulinganisa kwe-Mechanism

Isivinini sokuvula, ingcindezi yokuxhumana, amandla ohambo

Wonke amayunithi

Ikhamera enesivinini esikhulu, igeji yamandla, ibhentshi elizenzakalelayo

Ukuhlola iyunithi yohambo

Ijika lamanje, uhambo olusheshayo, isinxephezelo se-ambient

Wonke amayunithi

Umhloli womjovo oyinhloko (10,000A), ukungena kwedatha

Into yokuhlola

Okujwayelekile

Usayizi Wesampula

Ukuqinisekiswa kokumaka i-polarity

Okulungile +/-/ukumaka kwesikhombisi-ndlela samanje

100%

Xhumana nokumelana

<1mΩ isigxobo ngasinye

100%

I-Dielectric ukumelana ne-voltage

2.5kV AC/1min

100%

Ukumelana ne-insulation

>100MΩ @ 500V DC

100%

Izici zokuhamba

1.05×In, 1.25×In, 5×In, 10×In ukuqinisekiswa

100%

Umsebenzi wokuqhunyiswa kwamagnetic

Ukuhlolwa kokushabalala kwe-arc ngesilinganiso samanje

100%

Ukusebenza komshini

10 ON-OFF imijikelezo, ukusebenza kahle

100%

Ukuhlola okubonakalayo nobukhulu

Ukucaciswa, i-creepage, ukumaka unomphela

100%

Isampula ephezulu yamanje

Ukuqinisekiswa kwamandla okuphuka (10kA)

I-AQL 0.65

Ubuqotho bokupakisha

Ukuhlolwa kokudedela, ukudlidliza (ISTA 3A)

Ngamunye 

Isigaba Sezisetshenziswa

Ukucaciswa komshini

Umsebenzi

Amandla

Contact Fabrication

I-vacuum brazing furnace (10⁻³ mbar, 900°C)

I-Tungsten-silver contact brazing

5,000 abathintwayo/ngosuku

I-Magnet Assembly

Ukubekwa kazibuthe okuzenzakalelayo ngokutholwa kwe-polarity

Ukuhlanganiswa kukazibuthe we-NdFeB, ukuqinisekiswa kwe-flux

3,000 imihlangano/ngosuku

I-Arc Chute Production

Ceramic plate pressing, ukudubula, metallization

Ukukhiqiza amapuleti e-splitter

10,000 amapuleti / ngosuku

Mechanism Assembly

Amaseli ahlanganisa abasebenzi

Ukuhlanganiswa kwesivinini esikhulu, ukulinganisa

2,000 amayunithi / ngosuku umugqa ngamunye

Izisetshenziswa zokuhlola

Isethi yokuhlolwa komjovo oyinhloko (umthamo we-20,000A DC)

Ukuqinisekiswa kohambo lwamanje

300 amayunithi / ngosuku

Igumbi lokuhlola ukushabalala kwe-arc (isithombe esinesivinini esikhulu)

Ukuhlaziywa kokuziphatha kwe-arc, ukuqinisekiswa kokushaywa

50 amayunithi / ngosuku

Igumbi lokuhlola lemvelo (izinga lokushisa, umswakama, ukudlidliza)

Ukuhambisana ne-IEC 60068-2

100 amayunithi / ngosuku

Isigaba somkhiqizo

Amandla Wanyanga zonke

Isikhathi Esijwayelekile Sokuhola

Amandla Woku-oda Okuphuthumayo

I-DC MCB 1P/2P (10A-63A, 250V-500V)

200,000 amayunithi

4-5 amaviki

5 izinsuku

I-DC MCB 4P (63A-125A, 1000V)

100,000 amayunithi

4-5 amaviki

izinsuku ezingu-7

I-DC MCCB (125A-400A, 500V-1000V)

30,000 amayunithi

4-5 amaviki

izinsuku ezingu-10

I-DC MCCB (630A-1600A, 1000V-1500V)

10,000 amayunithi

4-5 amaviki

2 amasonto

I-High-voltage DC (1500V+, ekhethekile)

Isisekelo sephrojekthi

8-12 amasonto

4 amasonto

Umnyango

Abasebenzi

Uchwepheshe

Izibopho

Ubunjiniyela be-R&D

5

onjiniyela

I-DC arc physics, simulation magnetic field, izinto zokuxhumana, amandla kagesi

Ukuthuthukiswa kwe-DC breaker entsha, iphothifoliyo yelungelo lobunikazi (amalungelo obunikazi angu-35+), ukusungulwa kwe-HVDC

Ubunjiniyela Bezinqubo

20 onjiniyela

I-vacuum brazing, ukuhlanganisa uzibuthe, ukucutshungulwa kwe-ceramic, i-automation

Ukuthuthukiswa kokukhiqiza, ukuthuthukiswa kwesivuno (>98%), ukuhlanganiswa kwe-Industrial 4.0

Ukuhlola Nokuqinisekisa

15 onjiniyela

Ukuhlolwa kwe-DC yamanje, ukuhlaziywa kokuqothulwa kwe-arc, ukulingisa imvelo, i-EMC

Uhlobo lokuxhumanisa ukuhlola (IEC 60947-2), ukuhlaziya ukwehluleka, ukuqinisekiswa

Ubunjiniyela bohlelo lokusebenza

12 onjiniyela

Idizayini ye-Solar PV, amasistimu okugcina ibhethri, ukushaja kwe-EV, ama-microgrid e-DC

Ukwesekwa kobuchwepheshe bekhasimende, ukwakheka kwesistimu, ukudidiyelwa okukhethiwe

Ukuqinisekisa ikhwalithi

30 ochwepheshe

ISO 9001, ISO 14001, ukulawulwa kwenqubo yezibalo, ilabhorethri ye-metrology

Ukucwaningwa kwabahlinzeki, ukuhlolwa kwenqubo, isenzo sokulungisa, ukuphathwa kokulinganisa