Read More About short circuit impedance of transformer

I-PS-ZK03 Transformer Short Circuit Impedance Tester

I-impedance ye-short-circuit ipharamitha ebalulekile ye-transformer, futhi indlela ye-impedance ye-short-circuit iyindlela yendabuko yokwahlulela ukuguquguquka kwe-winding. Ngokuya nge-GB1094.5-2003 kanye ne-IEC60076-5:2000, ukuhluka kokusabela kwesifunda esifushane ukuphela kwendlela yokwahlulela ukuthi ingabe i-transformer winding ikhubazekile. Ukuhlolwa kwe-low-voltage short-circuit impedance kuyindlela eqondile kakhulu yokuhlola ukuthi i-winding ikhubazekile ngemva kokuthi i-transformer ithintwa amandla we-short-circuit yamanje ngesikhathi sokusebenza, noma ngemva kokuthi i-transformer ithintwa amandla emishini ngesikhathi sokuthutha nokufakwa. Kubalulekile ukwahlulela ukuthi i-transformer ingafakwa ekusebenzeni. Futhi kungenye yesisekelo sokwahlulela ukuthi i-transformer idinga ukuhlolwa kwe-disassembly.

XHUMANA MANJE LAYISHA KU-PDF

Imininingwane

Omaka

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)	15 ~ 400V	± (ukufunda × 0.2% + amadijithi angu-3)± 0.04% (ububanzi)
Okwamanje (ububanzi obuzenzakalelayo)	0.10 ~ 20A	± (ukufunda × 0.2% + amadijithi angu-3) ± 0.04% (ububanzi)
Amandla	I-COSΦ>0.15	± (ukufunda × 0.5% + 3 izinombolo)
Imvamisa (imvamisa yamandla)	45-65(Hz)	Ukunemba kokulinganisa		±0.1%
I-impedance yesifunda esifushane	0～100%	Ukunemba kokulinganisa		±0.5%
Phinda ukuzinza	umehluko wesilinganiso <0.2%, umehluko we-angular <0.02°
Isibonisi sezinsimbi	5 izinombolo
Ukuvikelwa kwezinsimbi okwamanje	Amandla okuhlola makhulu kuno-18A, i-relay yangaphakathi yethuluzi inqanyuliwe, futhi ukuvikelwa kwe-overcurrent kunikezwa.
Izinga lokushisa le-ambient	-10℃～40℃
Umswakama ohlobene	≤85%RH
Amandla okusebenza	I-AC 220V±10% 50Hz±1Hz
Ubukhulu	Umsingathi	360290170(mm)	Ibhokisi locingo	360290170(mm)
Isisindo	Umsingathi	4.85Kg	Ibhokisi locingo	5.15KG

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