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Fuse Hlau Resistance

Feb 18, 2023

feem ntau muab faib ua txias thiab kub tsis kam. Kev tiv thaiv txias yog tias lub fuse yog nyob ntawm 25 ° C, thiab cov nqi tiv thaiv ntsuas los ntawm qhov ntsuas tam sim no tsawg dua 10 feem pua ​​yog siv raws li qhov ntsuas tam sim no. Lub thermal tsis kam yog hloov los ntawm qhov ntsuas voltage ntsuas los ntawm tag nrho cov ntsuas tam sim no raws li qhov ntsuas tam sim no, uas yog, R thermal=UD / hauv. Feem ntau cov fuses yog ua los ntawm qhov zoo kub coefficients, yog li cov cua sov ua haujlwm dav dav yog loj dua qhov txias tsis kam.

 

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Qhov kev tiv thaiv ntawm lub fuse tsis yog ib qho tseem ceeb heev nyob rau hauv tag nrho cov Circuit Court, tab sis qhov kev tiv thaiv ntawm lub fuse nrog tsawg tshaj li 1 ntawm Ampel tooj yuav yog ob peb teev, yog li qhov teeb meem no yuav tsum tau txiav txim siab nyob rau hauv lub low-voltage circuit. Hauv kev siv tswv yim, qhov kev poob qis yog feem ntau siv hauv cov lus qhia tshwj xeeb. Cia peb qhia cov thermal tsis kam.

 

 

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