He aha te tauwehenga mana?

Tuatahi, ngā mihi nui ki a koe mō tō aro mai me te whakanui i tēnei tuhinga, me te tumanako ka haere tonu tāu pānui. I roto i ngā tuhinga e whai ake nei, ka whakaratohia e mātou he nui ngā mōhiotanga ngaio mō ngā taputapu rama, nō reira kia mataara mai.

I te wā e whiriwhiri ana i te rama LED, ka aro tuatahi tātou ki ngā āhuatanga maha-ahu pēnei i te mana, te lumen, te pāmahana tae, te taumata ātete wai, te marara wera, te rauemi me ērā atu mea. Mā te tirotiro rānei i ngā rarangi hua, te toro atu ki ngā paetukutuku, te whakamahi i ngā miihini rapu Google, te mātakitaki i ngā ataata YouTube, mā roto rānei i ētahi atu huarahi ki te kimi i ngā hua kounga e taunakitia ana. Inaa, he mea nui kia tirohia e ngā kaiwhakamahi ēnei āhuatanga i roto i ā rātou tukanga whakatau. Engari, e mōhio ana koe he aha te uara PF?

Tuatahi, ko te uara PF (tauwehenga mana) hei tauwehenga mana, ko te uara PF e tohu ana i te cosine o te rerekētanga ā-wāhanga i waenga i te ngaohiko whakauru me te iahiko whakauru. Ka pā tika te uara ki te whai huatanga o te whakamahinga pūngao hiko.

E rua ngā āhuatanga e whai ake nei:

Mō te rama LED he iti te uara PF, ka hurihia te pūngao hiko hei pūngao wera me ētahi atu momo pūngao i te wā e whakahaerehia ana. Kāore e taea te whakamahi tika i tētahi wāhanga o te pūngao hiko, ā, ka maumauria.

Ko tētahi atu āhuatanga ko te whakamahinga o te rama LED PF teitei. Ina whakakāhia, ka huri pai te pūngao hiko ki te pūngao mārama, ā, ka penapena i te whakapaunga pūngao me te whakaiti i te maumau pūngao.

E whakaarohia whānuitia ana te uara PF hei tētahi o ngā mea nui hei aromatawai i te mahi a te rama LED. Nō reira, e tino taunaki ana mātou kia aro nui koe ki ngā uara PF o ngā waitohu me ngā tauira rerekē ina whiriwhiri ana i te rama LED, kia whakataurite hoki. Waihoki, ko te teitei ake o te uara PF, ko te teitei ake o te whai huatanga o te pūngao, ā, ka whakaitihia te pānga ki te taiao.

I te nuinga o te wā, he mea nui te uara PF, ā, he uara tohutoro nui hoki mō te whakamahinga pai o te pūngao. Nō reira, i te wā e whiriwhiri ana i te rama LED, me whai whakaaro ki ngā āhuatanga pēnei i te mana, ngā lumens, te pāmahana tae, te mahi ātete wai, te kaha whakamarara wera, te rauemi, me ētahi atu, me te aro hoki ki te uara tohutoro o te uara PF.