Isishwankathelo:

Kwiisekethe, i-resistors yinxalenye ebalulekileyo enokunciphisa ukuhamba kwangoku kunye nokuguqula amandla ombane kumandla okushisa. Xa i-380V kunye ne-220V i-voltages ixhunyiwe kuzo zombini iziphelo ze-resistor, kuya kubakho ukungafani okuphawulekayo. Eli nqaku liza kuhlalutya lo mahluko kwimiba emithathu: umahluko wombane, ukulahleka kwamandla, kunye nokhuseleko.

intshayelelo:

Ngenkqubela phambili eqhubekayo yeteknoloji kunye nophuhliso olukhawulezayo loluntu, ukunikezelwa kwamandla kuye kwaziwa kuzo zonke iikona. Umgangatho wombane wobonelelo lwamandla nawo uyahluka, kunye neyona nto ixhaphakileyo yi-380V kunye ne-220V. Uthini umahluko ekusebenzeni kwe-resistor njengenxalenye ye-elektroniki esisiseko kwisekethe phantsi kweemeko ezimbini zombane?

1, Umahluko wombane:

I-Voltage ibhekisa kumahluko onokwenzeka, olinganiswa ngeevolthi (V). I-380V kunye ne-220V ngokulandelanayo imele inqanaba lombane wobonelelo lwamandla, oku kuthetha ukuba umahluko wombane phakathi kweziphelo ezimbini ze-resistor ukwahlukile kwiimeko zombini. Ngokomthetho we-Ohm, ubudlelwane phakathi kwe-voltage kunye ne-current yi-U = IR, apho i-U i-voltage, i-current, kwaye i-R iyaxhathisa. Ingabonwa ukuba phantsi kokuchasana okufanayo, xa uxhunywe kumbane we-380V, okwangoku kuya kuba mkhulu kunokuba xa uxhunywe kumbane we-220V, kuba ukuhluka kombane kubangela utshintsho lwangoku. Ngoko ke, xa ibhendi yokuchasana ixhunywe kumandla ombane ahlukeneyo kwiiphelo zombini, kuya kubakho ukungafani kubukhulu bangoku.

2, Ukulahlekelwa kwamandla:

Amandla yiparameter ebalulekileyo kwisekethe, emele izinga lokuguqulwa kwamandla kwiyunithi yexesha, elinganiswe kwiiwatts (W). Ngokutsho kwefomula yamandla P = IV, apho i-P ingamandla, mna okwangoku, kwaye i-V i-voltage, inokumiselwa ukuba amandla ahambelana nemveliso yangoku kunye ne-voltage. Ke ngoko, xa imithombo yamandla eyahlukeneyo idityanisiwe kuzo zombini iziphelo ze-resistor, ilahleko yamandla nayo iya kwahluka. Xa uqhagamshelwe kumbane we-380V, ngenxa yombane ophezulu, ukulahlekelwa kwamandla kuya kwanda ngokufanelekileyo; Xa udibanisa umbane we-220V, ngenxa yombane omncinci, ukulahlekelwa kwamandla kuncinci.

3, Ukhuseleko:

Ukhuseleko luyinkxalabo ekhethekileyo xa usebenzisa iisekethe. Xa unikezelo lwamandla lwe-380V ludibaniswe kuzo zombini iziphelo ze-resistor, umonakalo kumzimba womntu unyuke ngokulinganayo ngenxa yombane ophezulu. Iingozi zombane zinokubangela ukwenzakala kakhulu okanye iimeko ezibeka ubomi esichengeni. Ngoko ke, xa udibanisa umbane ophezulu we-voltage, amanyathelo okhuseleko ahambelanayo kufuneka athathwe, njengoyilo lwesekethe olufanelekileyo, ukukhuselwa kwe-insulation, njl. Xa udibanisa umbane we-220V, ngenxa yombane omncinci, ukhuseleko luphezulu kakhulu. .

Isishwankathelo:

Njengenxalenye esisiseko kwisekethe, abaxhathisi banokuba nomahluko othile xa beqhagamshelwe kwimithombo yamandla ye-380V kunye ne-220V kuzo zombini iziphelo. Xa udibanisa umbane we-380V, okwangoku uphezulu, ukulahlekelwa kwamandla kuphezulu, kwaye umngcipheko wokhuseleko unyuke ngokulinganayo; Xa uqhagamshelwe kumbane we-220V, okwangoku kuncinci, ukulahlekelwa kwamandla kuncinci, kwaye ukhuseleko luphezulu. Ke ngoko, xa uyila iisekethe, kuyafuneka ukuba ukhethe amanqanaba ombane ahlukeneyo ngokweemfuno zokwenyani kwaye uthathe amanyathelo okhuseleko ahambelanayo ngexesha lokusetyenziswa kwangempela ukuqinisekisa ukusebenza okuqhelekileyo kwesekethe kunye nokhuseleko lomntu.

Qaphela: Eli nqaku libhekiselele kuphela, kwaye iimeko ezithile kufuneka zigwetywe kwaye ziphathwe ngokusekelwe kwiimfuno zangempela kunye noyilo oluthile lwesekethe.