Ke hobane'ng ha ho galvanic itšehla thajana?

hangata haholo ka disebediswsa motlakase kamoo ho hlokahalang ho felisa mabapi motlakase pakeng tsa matla a phahameng gagamalo le tlaase lipotoloho gagamalo taolo. Ka mantsoe a mang, ho ke ke ho hlokahala hore ho phetha sireletsa lipotoloho tlaase gagamalo matla ho tswa gagamalo ba ba makholo le esita le tse likete volts. Ka botsebi sena se bolela hore tsamaisong e fanoeng kapa motlakase sesebediswa hlokahalang ho felisa phallo jwale ka lipotoloho ba ile ba kopanela. Sieo ha jwale e bontša ho ba teng ha e khōlō ohmic hanyetsa pakeng tsa lithapo le tloaelehileng la maqheka a mabeli, e leng lekanang le a ho ketane scission. bothata bona bo rarolohile itšehla thajana - mochine o khethehileng-galvanic coupling pakeng maqheka motlakase.

Nahana la ho dula liindasteri dilenaneo motlakase. Moelelong oa ho hlahisa ngata ea enjene e na le sebetsa phepelo gagamalo e phahame ho feta 200V, e leng kotsi bakeng sa basebetsi ba. Ka lebaka leo, phepelo gagamalo ho windings ea, i.e. enjene switjha e entsoeng ka le disebediswa tse eketsehileng, e leng matla a ho switjha potoloho. Ka lehlakoreng le leng, e fetoha ho eona e lokela ho laoloa, ho etsa mohlala, e konopo, le ka e tšoanang galvanic ho itšehla thajana ho sireletsa opareitara e tsoang ho otla voltages kotsi.

Ba le bang, ho switjha lintho tse kang contactors le ho Qalisa ke disebediswsa seo moralo felisa ikopanye le motlakase pakeng input le (Pinów electromagnet kela) le khumo (matla a ho ikopanya le sehlopha starter). therebetween le be le Puisano e etsoa feela ka ho sebelisana phetha molao tsa naha a khoheli a nang le thepa ea motheo ha mehaho ea actuator ka, oo ka oona e phahameng gagamalo dilenaneo phepelo hloloheloa sehlopha taolo.

Ho na le variants tse ling tsa tharollo botekgeniki ho itšehla thajana galvanic. Sena se haholo-holo baru. Ka thuso ea bona ke ho le bonolo ho a rarolla galvanic itšehla thajana tsa phepelo le matla a. Haholo-holo ea tšebeliso atile mokhoa ona e ne e le ka merero ea Electroradio ruuoang. 'Nete ea hore phepelo matla appliance e kotsi ho batho. Ka mohlala, ka ho ba sieo ha ho itšehla thajana motlakase pakeng timang le karete moreki sebetsana thelevishene pontšo, e sokelang bophelo bokgoni ba tla ka tsohle moralo likarolo tšepe TV, le ho fihlella ho "ho shebella thelevishene viscera" ka botlalo ho fihlella lapeng "DIY". Taba ea ho tshireletso ya e gagamalo motlakase bakeng sa disebediswsa tsena ke e bonolo: le lesoba la appliance tse ruuoang e beha pakeng tsa transformer le timang. mathomo lona matsoelintsoeke kenyelelitsoe ya netweke le, le fana ka puo ea morao-rao se mahareng hlohlelletsoa ho eona bakeng sa matla a TV. Mona e boetse e bonahala eka 'ngoe ea litšobotsi le thuso ea transformer le - e ka hlokomela le thuso ea ho itšehla thajana galvanic tsa pontšo analoge, eo ho pharaletseng sebelisoa ka le disebediswa tse sa tšoaneng.

Le ntshetsopele ya disebediswa tsa ho matla semiconductor ba ho pharaletseng sebelisoa ho switjha disebediswsa - optotiristors - e photocoupler (khanya) taolo le kanaleng. Input (taolo) photocoupler oa potoloho se se akaretsang tleloubu kapa LED, e kentse letsoho ha taolo pontšo. The ts'ebetsong luminous fihla photosensitive taolo eleketrode tsa thyristor, e leng kenyelletsa ditokiseletso matla ao balebeli ba potoloho ba anode-cathode. Sena se fana ka 100% ha galvanic mabapi input-khumo. E mong le disebediswa tse mothofatso optocoupler ke photon,-hammoho transistor, e habonolo rarolloa galvanic ho itšehla thajana le pontšo analoge, ho etsa mohlala, ka e hlahlobang ho lekanya disebedisweng tse ding.

Tshebediso ya interchanges galvanic ka thekenoloji e na le mefuta e fapaneng haholo e khōloanyane ea mesebetsi feta koahetsoeng sehloohong sena. theknoloji e morao-rao li kamehla boele u lenane la disebedisweng tse ding bakeng sa ho dikopo boenjiniere.