Read More About short circuit impedance of transformer

PS-ZK03 Transformer Short Circuit Impedance Tester

L-impedenza short-circuit hija parametru importanti tat-transformer, u l-metodu ta 'impedenza short-circuit huwa l-metodu tradizzjonali biex tiġġudika d-deformazzjoni tal-istralċ. Skont GB1094.5-2003 u IEC60076-5:2000, il-varjazzjoni tar-reattanza ta 'short-circuit hija l-uniku kriterju biex jiġi ġġudikat jekk l-istralċ tat-transformer huwiex deformat. It-test tal-impedenza ta 'ċirkwit qasir ta' vultaġġ baxx huwa l-aktar metodu dirett biex jiċċekkja jekk l-istralċ huwiex deformat wara li t-transformer jiġi affettwat minn kurrent ta 'ċirkwit qasir waqt it-tħaddim, jew wara li t-transformer jiġi affettwat minn forza mekkanika waqt it-trasport u l-installazzjoni. Huwa importanti biex jiġi ġġudikat jekk it-transformer jistax jitħaddem. Hija wkoll waħda mill-bażi biex tiġġudika jekk it-transformer jeħtieġx spezzjoni taż-żarmar.

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Dettalji

Tikketti

Introduzzjoni tal-Punt tal-Bejgħ tal-Prodott

1. Kejl ta 'impedenza ta' short-circuit bi tliet fażijiet:
Uri vultaġġ ta 'tliet fażijiet, kurrent ta' tliet fażijiet, qawwa ta 'tliet fażijiet; awtomatikament ikkalkula l-perċentwali tal-vultaġġ ta ' l-impedenza maqluba għat-temperatura nominali u l-kurrent nominali tat-transformer, u l-perċentwali ta ' żball bl-impedenza tal-pjanċa tal-isem.
2. Kejl tal-impedenza ta 'short-circuit ta' fażi waħda:
Kejjel l-impedenza short-circuit ta 'transformer ta' fażi waħda.
3. Kejl ta 'impedenza ta' sekwenza żero:
Il-kejl tal-impedenza ta 'sekwenza żero huwa adattat għal transformers b'punt newtrali f'konnessjoni tal-istilla fuq in-naħa ta' vultaġġ għoli.
4. Jista 'jitkejjel direttament fil-medda ta' kejl permissibbli ta 'l-istrument, u transformers ta' vultaġġ u kurrent esterni jistgħu jiġu konnessi barra mill-medda ta 'kejl. L-istrument jista 'jiffissa l-proporzjon tat-trasformazzjoni tat-trasformaturi tal-vultaġġ estern u tal-kurrent, u juri direttament il-valuri tal-vultaġġ u l-kurrent applikati.
5. L-istrument jadotta LCD touch b'riżoluzzjoni għolja ta 'kulur ta' skrin kbir, menu Ċiniż, prompts Ċiniżi, u tħaddim faċli.
6. L-istrument jiġi ma 'printer, li jista' jistampa u juri d-data.
7. Built-in memorja mhux power-down, tista 'taħżen 200 sett ta' data tal-kejl.
8. L-istrument huwa mgħammar b'interface ta 'diska U għall-aċċess tad-dejta tat-test.
9. Kalendarju permanenti, funzjoni ta 'arloġġ, kalibrazzjoni tal-ħin jistgħu jitwettqu.
10. L-istrument għandu firxa wiesgħa ta 'kejl, preċiżjoni għolja u stabbiltà tajba; daqs żgħir u piż ħafif huma konvenjenti għall-kejl.

Parametru tal-Prodott

Vultaġġ (firxa awtomatika)	15 ~ 400V	± (qari × 0.2% + 3 ċifri)± 0.04% (firxa)
Kurrent (firxa awtomatika)	0.10 ~ 20A	± (qari × 0.2% + 3 ċifri) ± 0.04% (firxa)
Qawwa	COSΦ>0.15	± (qari × 0.5% + 3 ċifri)
Frekwenza (frekwenza tal-enerġija)	45~65(Hz)	Preċiżjoni tal-kejl		±0.1%
Impedenza ta 'ċirkwit qasir	0~100%	Preċiżjoni tal-kejl		±0.5%
Irrepeti l-istabbiltà	differenza tal-proporzjon <0.2%, differenza angolari <0.02°
Wiri tal-istrument	5 ċifri
Kurrent tal-protezzjoni tal-istrument	Il-kurrent tat-test huwa akbar minn 18A, ir-relay intern tal-istrument huwa skonnettjat, u l-protezzjoni tal-kurrent żejjed hija pprovduta.
Temperatura ambjentali	-10℃~40℃
Umdita relattiva	≤85%RH
Qawwa tax-xogħol	AC 220V±10% 50Hz±1Hz
Dimensjonijiet	Ospitanti	360 * 290 * 170 (mm)	Kaxxa tal-wajer	360 * 290 * 170 (mm)
Piż	Ospitanti	4.85Kg	Kaxxa tal-wajer	5.15KG

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