Isingeniso Sendawo Yokuthengisa Umkhiqizo
- 1. Isilinganiso sesigaba sesithathu se-short-circuit impedance:
Bonisa i-voltage yezigaba ezintathu, amandla ezigaba ezintathu, amandla ezigaba ezintathu; ukubala ngokuzenzakalelayo iphesenti le-impedance voltage eliguqulelwe kuzinga lokushisa elilinganiselwe kanye nesilinganiso samanje se-transformer, kanye nephesenti lephutha ngokuvinjelwa kwe-nameplate.
2. Isilinganiso sesigaba esisodwa sokungaphumeleli kwesekethe emfishane:
Linganisa ukuvinjelwa kwesiyingi esifushane kwesiguquli sesigaba esisodwa.
3. Isilinganiso se-ziro-sequence impedance:
Isilinganiso se-zero-sequence impedance ifanele ama-transformer anephoyinti elingathathi hlangothi ekuxhumekeni kwenkanyezi ohlangothini lwe-voltage ephezulu.
4. Ingalinganiswa ngokuqondile phakathi kwebanga lokulinganisa elivumelekile lensimbi, futhi ama-voltage angaphandle nama-transformer amanje angaxhunywa ngaphandle kwebanga lokulinganisa. Insimbi ingasetha isilinganiso sokuguqulwa kwe-voltage yangaphandle kanye ne-transformers yamanje, futhi ibonise ngokuqondile i-voltage esetshenzisiwe kanye namanani amanje.
5. Ithuluzi lamukela i-LCD yokuthinta yombala wesikrini esikhulu, imenyu yesiShayina, ukwaziswa kwesiShayina, nokusebenza okulula.
6. Ithuluzi liza nephrinta, engaphrinta futhi ibonise idatha.
7. Inkumbulo eyakhelwe ngaphakathi engeyona amandla phansi, ingagcina amasethi angama-200 edatha yokulinganisa.
8. Ithuluzi lifakwe isixhumi esibonakalayo sediski ye-U ukuze ufinyelele idatha yokuhlola.
9. Ikhalenda elingunaphakade, umsebenzi wewashi, ukulinganisa isikhathi kungenziwa.
10. Insimbi inebanga elibanzi lokulinganisa, ukunemba okuphezulu nokuzinza okuhle; usayizi omncane nesisindo esilula kulula ukukala.
Ipharamitha Yomkhiqizo
I-Voltage (ububanzi obuzenzakalelayo)
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15 ~ 400V
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± (ukufunda × 0.2% + amadijithi angu-3)± 0.04% (ububanzi)
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Okwamanje (ububanzi obuzenzakalelayo)
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0.10 ~ 20A
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± (ukufunda × 0.2% + amadijithi angu-3) ± 0.04% (ububanzi)
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Amandla
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I-COSΦ>0.15
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± (ukufunda × 0.5% + 3 izinombolo)
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Imvamisa (imvamisa yamandla)
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45-65(Hz)
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Ukunemba kokulinganisa
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±0.1%
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I-impedance yesifunda esifushane
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0~100%
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Ukunemba kokulinganisa
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±0.5%
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Phinda ukuzinza
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umehluko wesilinganiso <0.2%, umehluko we-angular <0.02°
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Isibonisi sezinsimbi
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5 izinombolo
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Ukuvikelwa kwezinsimbi okwamanje
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Amandla okuhlola makhulu kuno-18A, i-relay yangaphakathi yethuluzi inqanyuliwe, futhi ukuvikelwa kwe-overcurrent kunikezwa.
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Izinga lokushisa le-ambient
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-10℃~40℃
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Umswakama ohlobene
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≤85%RH
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Amandla okusebenza
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I-AC 220V±10% 50Hz±1Hz
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Ubukhulu
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Umsingathi
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360*290*170(mm)
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Ibhokisi locingo
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360*290*170(mm)
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Isisindo
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Umsingathi
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4.85Kg
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Ibhokisi locingo
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5.15KG
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Ividiyo