Ngā Rerekētanga Matua me ngā Whakamahinga
He wāhanga nui ngā whakatikatika i roto i ngā ara iahiko hiko me ngā pūnaha tuku hiko. Ka hurihia e rātou te au hurihuri (AC) ki te au tika (DC), ka whakarato i te hiko e tika ana mō ngā taputapu me ngā tono maha. I roto i ngā momo whakatikatika rerekē, he mea rongonui ngā whakatikatika pāorooro me ngā whakatikatika whakamuri polarity mō ō rātou āhuatanga ahurei me ngā tono. Ka rukuhia e tēnei tuhinga ngā rerekētanga i waenga i ēnei momo whakatikatika e rua, ō rātou mātāpono mahi, ngā painga, ngā ngoikoretanga, me ngā tono.
Ngā Whakatikatika Pātene
Ko ngā whakatikatika pāorooro, e mōhiotia ana ko ngā whakatikatika pāorooro, ko ngā whakatikatika whakahaere rānei, he taputapu e huri ana i te AC ki te DC mā te whakamahi i ngā taputapu haurua-ā-ira whakahaeretia pērā i ngā thyristors, i ngā whakatikatika whakahaere-silicon rānei (SCR). He mea whakamahi noa ēnei whakatikatika i roto i ngā tono e hiahia ana kia whakahaere tika i te ngaohiko me te ia putanga.
Kaupapa Mahi
Ko te mahi a te whakatikatika pātītī ko te whakahaere i te koki ā-wāhanga o te ngaohiko AC whakauru. Mā te whakarerekē i te koki whakaoho o ngā SCR, ka taea te whakahaere i te ngaohiko DC putanga. Ina whakaohohia te SCR, ka tukuna te iahiko kia haere mā roto kia tae rā anō te huringa AC ki te kore, ā, i taua wā ka mutu te SCR. Ka mahi anō tēnei tukanga mō ia haurua-huringa o te whakaurunga AC, ka puta he putanga DC pātītī.
Ngā Painga
Mana Whakahaere Tika: He tino pai te mana o ngā whakatikatika pātere ki te ngaohiko me te ia putanga, he mea tino pai mō ngā tono e hiahia ana kia whakarerekētia te putanga DC.
Teitei o te Whai Hua: He tino whai hua ēnei whakatikatika, nā te mea ka whakaitihia te ngaronga hiko i te wā e huri ana.
Ngāwari: Ka taea e ngā whakatikatika pātī te whakahaere i ngā kawenga rerekē, ā, he pai hoki mō ngā momo whakauru AC rerekē.
Ngā ngoikoretanga
Uauatanga: He uaua ake te ara iahiko o ngā whakatikatika pātītī i ērā o ngā whakatikatika noa iho, e hiahiatia ana he wāhanga tāpiri mō te whakaoho me te whakahaere.
Utu: Nā te whakamahinga o ngā taputapu haurua-ārahi whakahaeretia me ngā ara iahiko whakahaere tāpiri, he nui ake te utu o ngā whakatikatika pātere.
Ngā tono
E whakamahia whānuitia ana ngā whakatikatika pātere i roto i ngā tono ahumahi, tae atu ki:
1.Ngā Puku Tere Rerekē: Hei whakahaere i te tere o ngā motuka AC.
2.Ngā Pūtake Hiko: Kei roto i ngā pūtake hiko kua whakaritea mō ngā taputapu hiko.
3.Te whakarewa: I roto i ngā taputapu whakarewa, he mea nui te whakahaere tika i te iahiko putanga.
4.Tukunga HVDC: I roto i ngā pūnaha tukunga hiko tere-teitei (HVDC) mō te whai huatanga
Ngā Whakatika Whakamuri Polarity
Ko ngā whakatikatika whakamuri polarity, e mōhiotia ana ko ngā whakatikatika tiaki polarity whakamuri, ko ngā whakatikatika tiaki ngaohiko whakamuri rānei, he mea hanga hei tiaki i ngā ara iahiko mai i ngā kino i puta mai i ngā hononga polarity hē. Ka whakarite kia tika te mahi a te ara iahiko ahakoa kua hurihia te polarity o te pūtake hiko.
Kaupapa Mahi
Ko te wāhanga matua o te whakatikatika whakamuri polarity he diode, he huinga rānei o ngā diode. Ina honoa raupapatia ki te pūtake hiko, ka tukuna e te diode te iahiko kia rere i te huarahi tika anake. Mēnā ka hurihia te polarity, ka āraia e te diode te iahiko, ka ārai i te kino o te ara iahiko.
I roto i ngā hoahoa matatau ake, ka whakamahia ngā MOSFET (metal-oxide-semiconductor field-effects transistors) hei whakarato i te iti o te hekenga ngaohiko whakamua me te pai ake o te whai huatanga ki te whakataurite ki ngā diode. Ka whakarerekē aunoa ēnei whakatikatika e hangai ana ki te MOSFET ki te polarity tika, ā, ka whakarite kia tika te mahi a te ara iahiko.
Ngā Painga
Te Parenga Porowhita: Ka tiakina pai e ngā whakatikatika whakamuri o te polarity ngā wāhanga hiko tairongo mai i ngā kino nā ngā hononga polarity hē.
Ngāwari noa iho: He tino māmā te hoahoa, ā, ka taea te whakauru ngāwari ki ngā ara iahiko o nāianei.
Utu-whai hua: He iti te utu o ngā whakatikatika whakamuri polarity e hangai ana ki te diode, ā, he ngāwari hoki te hoko.
Ngā ngoikoretanga
Te Hekenga Ngaohiko: Ka whakauruhia e ngā whakatikatika hiko-irahiko he hekenga ngaohiko whakamua, ka taea te whakaiti i te whai huatanga whānui o te ara iahiko.
Mana Whakaiti: Kāore ēnei whakatikatika e whakarato i te mana whakahaere i te ngaohiko putanga, i te iahiko rānei, nā te mea ko tā rātou mahi matua he tiaki.
Ngā tono
E whakamahia ana ngā whakatikatika whakamuri o te polarity i roto i ngā momo mahi maha e tino hira ana te tiakitanga mai i te polarity whakamuri, tae atu ki:
1.Ngā Hikohiko Kaihoko: I roto i ngā taputapu pēnei i ngā waea atamai, ngā pona, me ētahi atu hikohiko kawe hei ārai i ngā kino mai i ngā hononga hiko hē.
2.Aunoa: I roto i ngā hikohiko aunoa hei tiaki i ngā ara iahiko mai i ngā hononga pākahiko whakamuri.
3.Ngā Pūnaha Hiko o te Rā: Hei whakarite kia tika te mahi a ngā panera rā, kia kore ai hoki e kino mai i te whakahurihuri o te polarity.
4.Ngā Utu Pūhiko: Hei tiaki i ngā ara iahiko utu mai i ngā hononga pūhiko hē.
Ngā Rerekētanga Matua
Ngā Rerekētanga Matua
Ahakoa he mea nui ngā whakatikatika pātere me ngā whakatikatika whakamuri polarity i roto i ngā pūnaha hiko, he rerekē rawa ā rāua mahi me ā rāua tono.
Mahi: Ka arotahi ngā whakatikatika pātere ki te huri i te AC ki te DC me te whakahaere tika i te putanga, ko ngā whakatikatika whakamuri polarity ia kua hangaia hei tiaki i ngā ara iahiko mai i te kino nā ngā hononga polarity hē.
Ngā Wāhanga: Ka whakamahia e ngā whakatikatika pātī ngā taputapu haurua-whakahaeretia pēnei i ngā SCR, ko ngā whakatikatika whakamuri pōlarity ia ka whakamahia ngā diode, ngā MOSFET rānei.
Uauatanga: He uaua ake ngā whakatikatika pātī, ā, me tāpiri atu ngā ara iahiko whakahaere, engari he māmā ake te hoahoa o ngā whakatikatika whakamuri polarity.
Ngā Whakamahinga: E whakamahia ana ngā whakatikatika pātītī i roto i ngā tono ahumahi me ngā tono mana-tiketike, ko ngā whakatikatika whakamuri polarity ia e kitea whānuitia ana i roto i ngā hikohiko kaihoko, ngā pūnaha motuka, me ngā pūnaha mana o te rā.
Whakamutunga
He wāhanga nui ngā whakatikatika pātere me ngā whakatikatika whakamuri polarity i roto i ngā pūnaha hiko hou, he rerekē ngā mahi a ia wāhanga. Ka tukuna e ngā whakatikatika pātere te mana whakahaere tika me te whai hua i roto i te huringa AC ki DC, e pai ai mō ngā tono ahumahi. He rerekē, ka whakaratohia e ngā whakatikatika whakamuri polarity he tiaki nui mai i ngā hononga polarity hē, e whakarite ana i te haumaru me te pono o ngā taputapu me ngā pūnaha hiko. Mā te mārama ki ngā rerekētanga i waenga i ēnei whakatikatika ka āwhina i te whiriwhiri i te wāhanga tika mō ngā tono motuhake, ā, ka whakarei ake i te mahi me te roa o te ora o ngā ara iahiko hiko.
Wā tuku: Hōngongoi-03-2024
