Izimbangela kanye nezindlela zokwelapha of overcurrent lapho imishini yokushisa ephezulu imvamisa ivuliwe

Izizathu ze-overcurrent ekuqaleni:

1. Ukuhlukaniswa kwe-IGBT.

2. Ibhodi lokushayela linephutha.

3. Ibangelwa ibhalansi yendandatho encane kazibuthe.

4. Ibhodi lesifunda limanzi.

5. Ukunikezwa kwamandla kwebhodi labashayeli akujwayelekile.

6. Inzwa ifushane.

Indlela yokucubungula ye-overcurrent ekuqaleni:

1. Faka esikhundleni ibhodi lokushayela kanye ne-IGBT, khipha indandatho encane kazibuthe ekuholeni, hlola umzila wamanzi nokuthi ibhokisi lamanzi livinjiwe, vuthela ibhodi elisetshenzisiwe ngesomisi sezinwele, futhi ulinganise i-voltage;

2. I-overcurrent ngemva kokusebenzisa isikhathi esithile ngemva kokuqalisa: Isizathu ngokuvamile ukungashisi kahle komshayeli. Indlela yokwelapha: Faka kabusha amafutha e-silicone; hlola ukuthi umgwaqo wamanzi uvaliwe yini.