Ṣalaye Awọn Fifọ Circuit: Idaabobo, Isọri, ati Lilo
Kí ni Circuit Breaker?
Awọn fifọ Circuit jẹ awọn ẹrọ aabo bọtini ti a lo lati ge awọn iyika ti ko tọ laifọwọyi ninu awọn eto itanna. Awọn iṣẹ pataki wọn pẹlu aabo apọju, aabo-yika kukuru, ati ipinya itanna.
Circuit breakers ti wa ni classified nipa ohun elo sinu Kekere (MCB), Case Molded (MCCB), Afẹfẹ (ACB), Vacuum (VCB), ati lọwọlọwọ lọwọlọwọ (RCCB/RCBO) orisi.
Wọn ṣiṣẹ nipasẹ gbona (apọju) ati oofa (yika kukuru) tripping awọn ilana fun fast ge asopọ.
Ninu motor Iṣakoso awọn ọna šiše, breakers sin bi akọkọ Idaabobo yipada, ṣiṣẹ papọ awọn olubasọrọ (fun isakoṣo latọna jijin) ati relays igbona (fun aabo apọju).
Aṣayan yẹ ki o ro won won lọwọlọwọ, kikan agbara, ọpá kika, ati tripping ti tẹ (fun apẹẹrẹ, iru C fun boṣewa motor Idaabobo) lati baramu fifuye ati eto nilo deede.
Awọn paati akọkọ ti Eto fifọ Circuit
Din Rail Fifọ
Awọn olutọpa irin-ajo DIN jẹ awọn olutọpa Circuit ti a fi sori ẹrọ lori awọn irin-ajo DIN, ti a lo nigbagbogbo ni awọn apoti pinpin, pẹlu ọna iwapọ ati fifi sori ẹrọ rọrun. Wọn lo julọ fun aabo itanna ni awọn ile ati awọn ile-iṣẹ.
Awọn ọpá: 1P, 2P, 3P, 4P
Ti won won Lọwọlọwọ (Ni): 6A - 125A
Agbara Pipin (Icn): 4.5kA - 25kA (fun IEC/EN 60898)
Iwọn Foliteji (Ue): 230V-400V AC (nikan / mẹta-alakoso) | 24V-60V DC
Abuda Tripping: Iru C (awọn ẹru gbogbogbo), Iru D (awọn ẹru inrush giga), Iru K (pato mọto)
Orisi Ipari: Dabaru dimole ebute / Orisun omi-kojọpọ ebute
Mọ Case Circuit Breakers
Awọn fifọ Circuit nla ti a ṣe ni a lo fun alabọde ati aabo lọwọlọwọ giga (gẹgẹbi pinpin agbara ile-iṣẹ). Ikarahun naa jẹ ohun elo idabobo lati ṣe idiwọ mọnamọna ina ati filasi arc. O dara fun ohun elo agbara-giga ati aabo agbara akọkọ.
Awọn ọpá: 3P, 4P
Ti won won Lọwọlọwọ (Ni): 100A - 6300A
Agbara Pipin (Icu/Ics): 25kA - 200kA (IEC 60947-2)
Iwọn Foliteji (Ue): 400V-690V AC (50/60Hz) | 250V-1000V DC
Abuda Tripping: Gbona-Magnetic (Ti o wa titi) / Itanna Atunṣe (Idabobo LSI)
Orisi Ipari: Iwaju / Ru Cable titẹsi, Lug ebute
Motor Idaabobo Circuit Breakers
Awọn fifọ Circuit Idaabobo mọto jẹ apẹrẹ pataki fun awọn mọto lati ṣe idiwọ apọju, Circuit kukuru ati pipadanu alakoso. Nigbagbogbo a lo wọn ni awọn apoti ohun elo iṣakoso lati daabobo awọn ọkọ ayọkẹlẹ taara.
Awọn ọpá: 3P, 4P
Ti won won Lọwọlọwọ (Ni): 0.4A - 630A
Agbara Pipin (Icu/Ics): 10kA - 150kA (IEC 60947-2)
Iwọn Foliteji (Ue): 400V-690V AC (50/60Hz) | 24V-250V DC
Awọn iṣẹ Idaabobo: Apọju, Yika-kukuru, Ipadanu Alakoso, Aiṣedeede Ipele, Titiipa Rotor Idaabobo
Atunse Tripping: Gbona-Magnetic/itanna
Foliteji Iṣakoso: 24V-240V AC/DC (Aṣayan fun itusilẹ Shunt/Itusilẹ labẹ foliteji)
Orisi Ipari: Orisun Dimole / dabaru Terminal
Afẹfẹ Fifọ
Awọn fifọ iyika afẹfẹ afẹfẹ ni a lo ni awọn ipo lọwọlọwọ giga (gẹgẹbi awọn iyipada akọkọ ni awọn yara pinpin), ati pe aaki ti npa alabọde jẹ afẹfẹ. Wọn dara fun ohun elo ile-iṣẹ agbara-giga ati aabo eto busbar.
Awọn ọpá: 3P, 4P
Ti won won Lọwọlọwọ (Ni): 800A - 6300A
Agbara Pipin (Icu/Ics): 50kA - 200kA
Iwọn Foliteji (Ue): 400V-690V AC (50/60Hz) | 250V-1500V DC
Awọn iṣẹ Idaabobo: Apọju, Yika kukuru, Aṣiṣe Ilẹ, Iwari Filaṣi Arc
Ẹka Irin-ajo: Da Microprocessor (Atunṣe L, S, G, I 2 t, Yiyan Agbegbe)
Foliteji Iṣakoso: 24V-48V DC / 110V-440V AC (Iṣepọ fun itusilẹ Shunt/Undervoltage)
Orisi Ipari: Petele/Inaro Busbar Asopọ
DC Fifọ
Awọn fifọ iyika DC ni a lo ni awọn iyika DC (gẹgẹbi awọn eto oorun, awọn ọkọ ina). Wọn ṣe apẹrẹ yatọ si awọn fifọ Circuit Circuit AC ati pe a ṣe apẹrẹ pataki lati ge lọwọlọwọ lọwọlọwọ DC.
Awọn ọpá: 1P (ọpa ẹyọkan), 2P (ọpa meji)
Ti won won Lọwọlọwọ (Ni): 16A - 4000A
Iwọn Foliteji (Ue): 60V-1500V DC (ṣe atilẹyin awọn awoṣe foliteji giga ti awọn eto fọtovoltaic)
Agbara Pipin (Icu): 10kA-50kA (nigbati foliteji ≤500V DC) | 5kA-20kA (nigbati foliteji> 500V DC)
Imukuro Arc: Oofa fe-jade aaki extinguishing oniru | Igbale aaki extinguishing
Abuda Tripping: Ti o wa titi gbona oofa tripping | Adijositabulu itanna tripping
Iṣeto Polarity: Nikan polarity / Bipolarity
Orisi Ipari: Skru ebute / Plug-ni apọjuwọn ebute
Smart Fifọ
Awọn fifọ Circuit pẹlu isakoṣo latọna jijin, ibojuwo, iṣakoso agbara ati awọn iṣẹ miiran. Ti a lo ni awọn ọna ṣiṣe pinpin agbara oye, eyiti o le ṣakoso ati ṣe atẹle agbara agbara ni akoko gidi nipasẹ awọn foonu alagbeka tabi awọn ọna ṣiṣe.
Nọmba awọn ọpá (Ọpá): 1P, 2P, 3P, 4P
Ti wọn wọn lọwọlọwọ (Ninu): 6A - 630A
Agbara fifọ (Icu): 10kA - 100kA (ṣe atilẹyin AC/DC adalu fifọ)
Iwọn foliteji (Ue): 120V-400V AC (nikan / mẹta-alakoso) | 48V-1000V DC
Ilana ibaraẹnisọrọ: Wi-Fi, Bluetooth, Zigbee, LoRaWAN, Modbus TCP, EtherCAT
Iṣẹ abojuto: Abojuto lọwọlọwọ lọwọlọwọ/foliteji/agbara, imọ iwọn otutu, iwọn agbara (kWh, PF, THD)
Iṣẹ aabo: Apọju, Circuit kukuru, jijo (30mA-3A adijositabulu), ẹbi arc (AFCI), overvoltage/ undervoltage, aisedeede alakoso
Ipo iṣakoso: Iṣiṣẹ afọwọṣe agbegbe, isakoṣo latọna jijin APP, isọdọkan iṣẹlẹ adaṣe adaṣe (IFTTT), iṣọpọ API
Gbigbasilẹ data: Iwe akọọlẹ iṣẹlẹ (to 1000), itan-akọọlẹ agbara agbara (awọn iṣiro nipasẹ ọjọ/oṣu/ọdun), Yaworan fọọmu igbi aṣiṣe
Awọn ibudo: Orisun omi dimole ebute / dabaru ebute