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    CJ-B25 4p 1.8kv Chishandiso Chekudzivirira Kukwira Kwemapombi Akawanda Chinogocherwa SPD Mufananidzo Wakaratidzwa
    • CJ-B25 4p 1.8kv Chishandiso Chekudzivirira Kukwira Kwemapombi Akawanda Chinogonganiswa SPD
    • CJ-B25 4p 1.8kv Chishandiso Chekudzivirira Kukwira Kwemapombi Akawanda Chinogonganiswa SPD
    • CJ-B25 4p 1.8kv Chishandiso Chekudzivirira Kukwira Kwemapombi Akawanda Chinogonganiswa SPD
    • CJ-B25 4p 1.8kv Chishandiso Chekudzivirira Kukwira Kwemapombi Akawanda Chinogonganiswa SPD

    CJ-B25 4p 1.8kv Chishandiso Chekudzivirira Kukwira Kwemapombi Akawanda Chinogonganiswa SPD

    Tsananguro pfupi:

    Ichi chishandiso chinoshandiswa kuderedza voltage yekukurumidza uye kuburitsa simba remagetsi, kusanganisira chinhu chisina kurongeka.

    Kuvaka uye Chimiro

    • Nzvimbo Yekushandisa: Mabhodhi Ekuparadzira Makuru
    • Nzira yekudzivirira: LN, N-PE
    • Kuongororwa kweKukwira: Iimp = 12.5kA(10/350μs) / Mukati=20kA(8/20μs)
    • IEC/EN/UL Chikamu: Kirasi I+II / Rudzi 1+2
    • Zvinhu Zvinodzivirira: Simba Rakawanda MOV neGDT
    • Dzimba: Dhizaini Inogonganisika
    • Kutevedzera Mutemo: IEC 61643-11:2011 / EN 61643-11:2012 / UL 1449 Chinyorwa chechina

    Ruzivo rweChigadzirwa

    Matagi eChigadzirwa

    Ruzivo rweUnyanzvi

    IEC yemagetsi 150 275 320
    Voltage yeAC yezita (50/60Hz) Uc/Un 120V 230V 230V
    Maximum Inoenderera Mberi Voltage Inoshanda (AC) (LN) Uc 150V 270V 320V
    (N-PE) Uc 255V
    Kubuda Kwemagetsi Kwenguva Dzemagetsi (8/20μs) (LN)/(N-PE) In 20 kA/50kA
    Kubuda Kwazvino Kwakanyanya (8/20μs) (LN)/(N-PE) Imax 50 kA/100 kA
    Kubuda Kwemhepo Kunokonzerwa Nemhepo (10/350μs) (LN)/(N-PE) Imp 12.5kA/50kA
    Simba Rakananga (LN)/(N-PE) W/R 39 kJ/Ω / 625 kJ/Ω
    Mari (LN)/(N-PE) Q 6.25 As/12.5As
    Dhiviriro Yemagetsi (LN)/(N-PE) Up 1.0kV/1.5 kV 1.5 kV/1.5 kV 1. 6kV/1.5 kV
    (N-PE) Ifi MANOKO 100
    Nguva Yekupindura (LN)/(N-PE) tA <25ns/<100 ns
    Fuse Yekudzosera Kumashure (yakanyanya) 315A/250A gG
    Kuyerwa Kwemazuva Ano Kwemasekonzi Mapfupi (AC) (LN) ISCCR 25kA/50kA
    TOV Inodzivirira 5s (LN) UT 180V 335V 335V
    TOV 120min (LN) UT 230V 440V 440V
    maitiro Kukundikana Kwakachengeteka Kukundikana Kwakachengeteka Kukundikana Kwakachengeteka
    TOV Inotsungirira 200ms (N-PE) UT 1200V
    UL Magetsi
    Maximum Kuenderera Mberi Kushanda Voltage (AC) MCOV 150V/255V 275V/255V 320V/255V
    Kuongororwa kweDziviriro yeVoltage VPR 600V/1200V 900V/1200V 1200V/1200V
    Kubuda Kwemagetsi Kwenguva Dzemagetsi (8/20μs) In 20kA/20kA 20kA/20kA 20kA/20kA
    Kuyerwa Kwemazuva Ano Kwemasekonzi Mapfupi (AC) SCCR 200kA 150kA 150kA

     

    Gwaro Rekusarudza SPD yeSisitimu Yemagetsi Yekupa Simba

    Kuiswa kweSPD panzvimbo yega yega yekudzivirira mheni, zvichienderana nechiyero chemagetsi ane voltage shoma, kunoita kuti michina yemagetsi igadziriswe zvichienderana nechikamu chemagetsi ane overvoltage, chiyero chemagetsi anomira kupinza chinogona kusarudza kusarudzwa kweSPD. Zvichienderana nechiyero chemagetsi ane voltage shoma, gadzira kupatsanurwa kwemidziyo yemagetsi zvichienderana nechikamu chemagetsi ane overvoltage sechiratidzo, chiyero chekuisa, chiyero chekugovera uye chekutonga, chiyero chemagetsi. Chikamu chemagetsi anomira kupinza chinomira kupinza ndeichi: 1500V, 2500V, 4000V, 6000V. Zvichienderana nenzvimbo yekuisa michina yakachengetedzwa yakasiyana uye magetsi emagetsi akasiyana enzvimbo dzakasiyana dzekudzivirira mheni, kuti uone nzvimbo yekuisa yeSPD yekupa simba uye kugona kwayo kuputsa.
    Daro rekuisa pakati peSPD yega yega harifanirwe kudarika 10m, dariro riri pakati peSPD nemidziyo yakachengetedzwa rinofanira kunge riri pfupi sezvinobvira, kwete kupfuura 10m. Kana nekuda kwekuganhurirwa kwenzvimbo yekuisa, hazvigone kuvimbisa dariro rekuisa, saka unofanirwa kuisa chikamu chekuparadzanisa pakati peSPD yega yega yega, uye ita kuti after class SPD ichengetedzwe neapfuura class SPD. Musystem yemagetsi ane voltage shoma, kubatanidza inductor kunogona kuzadzisa chinangwa chekuparadzanisa.
    SPD yesarudzo yekutsanangurwa kwehurongwa hwemagetsi
    Voltage yepamusoro inoshanda nguva dzose: yakakura kupfuura michina yakachengetedzwa, voltage yepamusoro inoshanda nguva dzose yesystem.
    Sisitimu yeTT: Uc≥1.55Uo (Uo isystem yemagetsi akaderera kusvika kumagetsi asina chinhu)
    Sisitimu yeTN: Uc≥1.15Uo
    Sisitimu yeIT: Uc≥1.15Uo(Uo isystem ine voltage shoma kubva pamutsetse kuenda pamagetsi)
    Dhiviriro yeVoltage: isingasviki pane insulation inodzivirira voltage yemhepo yemidziyo yakachengetedzwa
    Mwero wekubuda kwemhepo: unoenderana nemamiriro emheni panzvimbo yakaiswa uye nzvimbo yekudzivirira mheni.
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