Ko e Liliu Fakamamani Lahi ʻi he Maama ʻo e Hala
ʻI he fefaʻuhi ʻa mamani mo e fakautuutu ʻo e ngaahi fie maʻu ivi mo e fie maʻu fakavavevave ke fakasiʻisiʻi ʻa e kaponi, ʻoku siviʻi ʻa e sekitoa kotoa pe ki he lavameʻa. ʻOku fakafofongaʻi ʻe he maama hala fakakolo, ko ha ngaue mahuʻinga ka ʻoku ʻikai faʻa fakatokangaʻi, ko ha faingamalie lahi. ʻI he ngaahi taʻu lahi, kuo ulo ʻa e langi ʻo hotau ngaahi kolo ʻaki ʻa e lanu ʻamipa angamaheni ʻo e ngaahi maama sodium (HPS). Ko e ngaahi naunau ko ʻeni ko e fanga hoosi ngaue ia ʻo e maama hala, ʻa ia naʻe fakamahuʻingaʻi ʻi heʻenau tolonga fuoloa ʻi hono fakafehoanaki ki he ngaahi tekinolosia kimuʻa pea mo ʻenau malava ke hokaʻi ʻa e kakapu. Neongo ia, kuo ʻomi ʻe he senituli 21 ha poleʻi malohi: ko e Light Emitting Diode (LED). Ko e liliu mei he HPS ki he LED ʻoku ʻikai ko ha fakalakalaka fakatekinolosia pe; Ko ha liliu mahuʻinga ia ʻi he founga ʻoku tau fakahoko ai ʻa e ngaahi faʻunga fakapuleʻanga, potupotutatau ʻa e ngaue, fakamole, mo e fatongia ʻo e ʻatakai. ʻOku fakaʻaliʻali ʻe he fakafehoanaki fakaʻauliliki ko ʻeni ʻa e ngaahi fakangatangata fakatekinikale, ngaahi moʻoniʻi meʻa ʻoku fakalele mo e ngaahi lelei taimi loloa ʻo e ongo tekinolosia fakatouʻosi, ʻo fakahaaʻi ai ʻa e ʻuhinga kuo hoko ai ʻa e ngaahi maama hala LED ko e fili mahino ki he ngaahi kolo ʻo onopooni, tuʻuloa ʻoku fakataumuʻa ke aʻusia ʻa e ngaahi taumuʻa ki hono fakatolonga ʻo e ivi mo hono fakasiʻisiʻi ʻo e emission.
Ko e ha ʻa e ngaahi maama high-pressure sodium (HPS) pea ko e ha ʻoku nau fuʻu manakoa ai?
ʻOku kau ʻa e ngaahi maama sodium malohi ki he famili ʻo e ngaahi maʻuʻanga maama high-intensity discharge (HID). ʻOku nau maʻu ha maama ʻaki hono fakahu ha ʻuhila ʻi ha tiupi ʻumea ʻoku ʻi ai ha tuifio ʻo e mercury, sodium, mo e kasa xenon. Ko e sodium, ʻi he taimi ʻoku fiefia ai, ʻoku ne fakatupu ʻa e maama ʻamber engeenga monochromatic. ʻI ha vaeuaʻi senituli tupu, naʻe hoko ʻa e ngaahi maama HPS ko e fili lahi taha ia ki he maama hala ʻi he funga ʻo e mamani, pea ʻi ha ʻuhinga lelei. Naʻa nau ʻomi ha fakalakalaka lahi ʻi he ola lelei ʻi heʻenau ngaahi maama kimuʻa, ʻa ia naʻa nau maʻu ʻa e 80 ki he 140 lumens ki he watt. Naʻe hoko ʻeni ko ha fili lelei ki honau taimi. ʻIkai ngata ai, ʻoku siʻisiʻi ange ʻa e fakamovetevete ʻe he ngaahi momoʻi meʻa ʻo e vai, ʻo nau maʻu ai ha ongoongo lelei ʻi heʻenau hu lelei ʻi he kakapu, ʻuha mo e sinou. Naʻe hoko ʻeni ko ha fili falalaʻanga ke fakapapauʻi ʻoku ʻi ai ha tuʻunga ʻo e sio ki ai ʻi he ngaahi tukunga kovi ʻo e ʻea. Ko ʻenau moʻui loloa, ʻa ia ʻoku aʻu ki he houa ʻe 24,000, ko ha toe tuʻunga fakatau lahi ia ʻe taha, ʻo fakasiʻisiʻi ai ʻa e tuʻo lahi ʻo e liliu ʻo e mama ʻi hono fakafehoanaki ki he ngaahi meʻa ʻoku ʻi ai ʻa e maama ʻi hono fakafehoanaki ki he ngaahi meʻa ʻoku ʻi ai ʻa e maama ʻoku ʻikai ke nau lava ʻo fai ha meʻa. Neongo ia, ʻi he fakalakalaka ʻa e tekinolosia ʻo e mama mo ʻetau mahino ki he visone ʻa e tangata, kuo faingataʻa ke tukunoaʻi ʻa e ngaahi tonounou ʻo e tekinolosia HPS.
Ko e ha ʻa e ngaahi tefitoʻi tonounou ʻo e ngaahi maama HPS ʻi he maama hala?
Neongo ʻenau pule fakahisitolia, ʻoku faingataʻaʻia ʻa e ngaahi maama HPS ʻi ha ngaahi fehalaaki mahuʻinga ʻoku ne ʻai ke fakautuutu ʻenau taʻefeʻunga mo e ngaahi tuʻunga ʻo e maama ʻo onoponi. Ko e ʻuluaki palopalema lahi ko e ʻikai lelei ʻa e mama, faitatau mo e mapuleʻi. Ko e ngaahi maama HPS ko ha ngaahi maʻuʻanga maama ia ʻoku ʻi he feituʻu kotoa pe, ʻa ia ko hono ʻuhinga ʻoku nau tuku atu ʻa e maama ʻi he feituʻu kotoa pe. Ke tataki hifo ʻa e maama ko ʻeni ki he hala, kuo pau ke fakafalala ʻa e ngaahi maama ki he ngaahi meʻa fakaʻata lalahi. ʻOku ʻikai ke ola lelei ʻa e founga ko ʻeni. ʻOku mole ʻa e mama ʻi loto ʻi he meʻa ʻoku maʻu, pea ʻoku faʻa maʻolunga ʻaupito ʻa e maama ʻi lalo ʻi he mama—ʻi he taimi ʻe niʻihi ʻoku laka hake ʻi he 40 lux ʻi he ngaahi hala hono ua, ʻa ia ʻoku fuʻu lahi ai ʻa e mama. ʻI he tafaʻaki ʻe taha, ʻi he vaeuaʻanga malie ʻi he vahaʻa ʻo e ongo pou hoko mai, ʻe lava ke holo ʻa e maama ki he 40% ʻo e tumutumu ko ia, ʻo fakatupu ai ha ngaahi feituʻu fakapoʻuli ʻoku uesia ai ʻa e malu. ʻOku ʻuhinga ʻa e ʻikai faitatau ko ʻeni ʻoku fakamoleki ʻa e ivi ʻi he ngaahi feituʻu ʻoku fuʻu maama kae ʻikai ke fakamaama lelei ʻa e niʻihi kehe. Ua, ʻoku fakafaingataʻaʻiaʻi ʻaupito ʻa e tuʻunga lelei fakalukufua ʻo e maama HPS ʻe he palani ʻo e meʻa. Ko e ola lelei ʻo e emitter ʻo ha maama HPS angamaheni ʻoku fakafuofua pe ki he 50-60%, ʻa ia ko hono ʻuhinga ko e meimei 30-40% ʻo e maama ʻoku maʻu ʻoku fihia ia ʻi loto ʻi he maama pe absorbed ʻe he reflector. Ko ha maumau mahuʻinga mo taʻeʻamanekina ʻeni ʻoku tupu mei he tekinolosia. Fakaʻosi, neongo ʻoku aʻu ki he houa ʻe 24,000 ʻa e moʻui ʻa e ngaahi maama HPS, ʻoku nounou ange ʻenau moʻui. ʻOku nau ongoʻingofua ʻa e fetoʻaki ʻo e voltage mo e ʻatakai faingataʻa ʻo e ngaue ʻa e pou hala, ʻa ia ʻoku kau ai ʻa e tetetete, mafana ʻo e ʻea, mo e ʻea. Ko hono ola, ʻe lava ke laka hake ʻi he 60% ʻa e tuʻunga ʻo e taʻemalava fakataʻu ki hono fokotuʻu ʻo e HPS.
Ko e ha ʻa e ngaahi maama hala LED pea ʻoku nau fakaleleiʻi fefe ʻa e ngaahi palopalema ko ʻeni?
ʻOku fakaʻaongaʻi ʻe he ngaahi maama hala LED ʻa e diodes emitting mama ko ʻenau maʻuʻanga maama. ʻOku ʻikai hange ko e HPS, ko e LEDs ko ha ngaahi meʻangaue semiconductor fefeka ʻoku ne ʻomi ʻa e maama ʻo fakafou ʻi he electroluminescence. ʻOku liliu ʻa e faikehekehe mahuʻinga ko ʻeni ʻi he fisiki ki ha ngaahi lelei ʻaonga. Ko e mahuʻinga taha ʻo e ngaahi meʻa ni ko e moʻui fuoloa. ʻOku fakafuofuaʻi ʻa e maama hala LED tuʻunga maʻolunga ki ha moʻui lelei ʻo e houa ʻe 50,000 ki he 100,000 pe lahi ange—ʻo tolonga lahi ange ia ʻi he moʻui ʻo ha maama HPS. ʻOku hanga ʻe he moʻui loloa ko ʻeni ʻo fakaleleiʻi fakahangatonu ʻa e ngaahi fakamole maʻolunga ki hono tokangaʻi mo e vave ʻo e ʻikai ola lelei fekauʻaki mo e HPS, ʻo fakaʻata ai ʻa e ngaahi kolo ke fokotuʻu pea fakangaloʻi ʻenau ngaahi maama ʻi ha ngaahi taʻu lahi. ʻIkai ngata ai, ko e maama ʻoku faʻu ʻe he LEDs ʻoku kehe ʻaupito. ʻI he color rendering index (CRI) ʻe faingofua ke aʻu ki he 70 pe 80, pea faʻa maʻolunga ange, ʻoku lahi ʻa e maama LED pea ʻoku faʻifaʻitaki ofi ki he maama fakanatula ʻo e ʻaho. ʻI he malumalu ʻo e maama LED, ʻoku longomoʻui mo moʻoni ʻa e ngaahi lanu. ʻOku ʻikai ko ha fakaleleiʻi fakaʻofoʻofa pe ʻeni; ʻoku ʻi ai hono ngaahi nunuʻa lahi ki he malu. Ko e malava ko ia ʻa e mata ʻo e tangata ke ʻiloʻi ʻa e faikehekehe, ʻiloʻi ʻa e ngaahi meʻa, mo e tali ki he ngaahi fakatuʻutamaki ʻe ala hoko ʻoku fekauʻaki hangatonu ia mo e tuʻunga lelei ʻo e mama. ʻOku fakaʻata ʻe he CRI maʻolunga ange ʻo e LEDs ʻa e kau fakaʻuli mo e kau lue lalo ke nau sio lelei ange mo tali vave ange, ʻo fakaleleiʻi ʻa e malu fakalukufua ʻi he hala ʻi ha founga ʻoku ʻikai lava ke tatau mo e maama monochromatic ʻo e HPS.
ʻOku ʻomi fefe ʻe he ngaahi maama hala LED ʻa e tuʻunga lelei ange mo e mapuleʻi ʻo e mama?
ʻOku mahulu atu ʻa e ngaahi lelei ʻo e LEDs ʻi he lifespan mo e color rendering ki he uho ʻo e founga ʻoku puleʻi mo tataki ai ʻa e mama. Ko e meʻa liliu lahi taha ko honau natula fakahinohino. ʻOku ʻikai tatau ia mo e ngaahi maama HPS ʻoku nau tuku atu ʻa e maama ʻi he feituʻu kotoa pe, ʻoku fakanatula pe ʻa e LEDs, ʻo faʻa tuku atu ʻa e maama ʻi ha sipinga tikili ʻe 180. ʻOku ʻuhinga ʻeni ʻoku fakataumuʻa fakanatula pe ʻa e mama ki he feituʻu ʻoku fie maʻu ai—ki he hala. ʻOku fakaʻata ʻe he ʻulungaanga ko ʻeni ʻo e directional, fakataha mo e ngaahi meʻa fakaʻata hono ua (lenses), ke mapuleʻi taʻe-hano-tatau ʻa e tufaki ʻo e mama. ʻE lava ke faʻu ʻe he kau faʻu mama ha ngaahi sipinga ʻo e fuʻu ʻakau pau ʻoku fenapasi lelei mo e geometry ʻo ha hala, ʻo fakapapauʻi ʻoku fokotuʻu tonu pe ʻa e mama ʻi he hala pea ʻikai maumauʻi ʻi he tafaʻaki ki muʻa ʻo e fale, ʻapi ʻi mui, pe langi ʻi he poʻuli. ʻOku toʻo heni ʻa e palopalema ʻo e fuʻu maama ʻi lalo ʻi he pou mo e maama ʻi he vahaʻa ʻo e ngaahi pou, ʻo faʻu ai ha ʻatakai ʻoku faitatau mo malu ange. ʻE lava ke fakaleleiʻi lelei ʻa e tufakiʻanga maama ʻo ha maama hala LED ke aʻusia ʻa e ngaahi tuʻunga maʻu pe ʻo e maama ʻi he hala kotoa, ʻo fakalahi ai ʻa e sio mo e lavameʻa fakatouʻosi. ʻIkai ngata ai, koeʻuhi ʻoku fakataumuʻa tonu ʻa e mama, ʻoku maʻolunga ange ai ʻa e tuʻunga lelei fakalukufua ʻo e mama. ʻOku ʻikai mole ʻa e 30-40% ʻo e maama ʻi loto ʻi he meʻa ʻoku fakataumuʻa ki ai, ka ʻoku faʻa aʻusia ʻe he ngaahi maama hala LED ʻa e efficiencies ʻo e luminaire ʻo e 90% pe lahi ange, ʻa ia ko hono ʻuhinga ko e meimei maama kotoa pe ʻoku faʻu ʻe he LEDs ʻoku iku ʻo fakamaama ʻa e taumuʻa naʻe fakataumuʻa ki ai.
Ko e ha ʻoku lelei ange ai ʻa e ivi mo e anga fakakaumeʻa ki he ʻatakai ʻa e ngaahi maama hala LED?
Ko e ivi lelei ʻo e ngaahi maama hala LED ko e taha ia ʻo e ngaahi ʻuhinga malohi taha ki heʻenau mafola hono fakaʻaongaʻi. ʻOku tupu ʻa e lavameʻa ko ʻeni mei hono fakatahaʻi ʻo e ngaahi moʻoniʻi meʻa: ola lelei ʻo e maʻuʻanga tokoni maʻolunga (lumens per watt mei he LED chip), lelei ʻo e luminaire maʻolunga (siʻisiʻi ʻa e mole fakaʻata), mo e ngaahi meʻa ʻoku puleʻi ʻatamai. ʻE lava ke maʻu ʻe he polokalama HPS ʻa e lumens ʻe 100 ki he watt mei he mama, ka ʻi he hili hono fakamatalaʻi ʻo e ngaahi mole ʻo e reflector, ʻoku holo ʻaupito ʻa e ola lelei ʻo e polokalama. ʻOku kamata ʻaki ʻe he polokalama LED ha chip ʻe lava ke ne maʻu ʻa e 150 lumens ki he watt pea siʻisiʻi ʻaupito ʻa e mole ʻi he optics, ʻoku ne ʻomi ha maama lahi ange ki he hala ki he watt kotoa pe ʻo e ʻuhila ʻoku fakaʻaongaʻi. ʻOku ʻuhinga ʻeni ki he fakasiʻisiʻi fakahangatonu ʻo e ivi ʻo e 50% ki he 70% ʻi hono fakafehoanaki ki he HPS, ko ha fakasiʻisiʻi ʻoku ʻi ai hono uesia lahi ʻo e patiseti ngaue ʻa e kolo mo e kaponi. ʻI hono fakasiʻisiʻi ange ʻo e ʻuhila, ʻoku tau fakasiʻisiʻi ai ʻa e tukuange ʻo e ngaahi kasa fakatuʻutamaki hange ko e CO2 mo e SO2 mei he ngaahi fale ʻuhila, ʻo tokoni fakahangatonu ki he ngaahi taumuʻa fakafonua mo fakaemamani lahi ke fakasiʻisiʻi ʻa e ʻuhila. Ka ko e ngaahi lelei ʻo e ʻatakai, ʻoku mahulu atu ia ʻi hono fakasiʻisiʻi ʻo e ivi. ʻOku ʻi he ngaahi maama HPS ʻa e mercury, ko ha neurotoxin malohi, ʻa ia ʻoku silaʻi ʻi loto ʻi he tiupi arc. ʻI he taimi ʻoku aʻu ai ʻa e ngaahi maama ko ʻeni ki he ngataʻanga ʻo ʻenau moʻui, kuo pau ke tokangaʻi kinautolu ko ha veve fakatuʻutamaki. Kapau te nau maumau ʻi he ngoueʻanga pe liʻaki taʻetotonu, te nau lava ʻo tukuange ʻa e mercury ki he ʻatakai, ʻo fakaʻuliʻi ai ʻa e kelekele mo e vai. ʻI he tafaʻaki ʻe taha, ʻoku fakaʻaongaʻi ʻe he ngaahi maama hala LED ʻa e tekinolosia fefeka pea ʻoku ʻikai ke ʻi ai ha mercury pe ngaahi meʻa fakatuʻutamaki kehe. ʻOku nau recyclable kakato pea ʻoku nau fakafofongaʻi ha maʻuʻanga maama anga fakakaumeʻa moʻoni ki he ʻatakai. ʻOku fakaʻau ke toe mahuʻinga ange ʻa e tafaʻaki ko ʻeni ʻo e maama "lanu mata" ʻi hono fakaʻaongaʻi ʻe he ngaahi kolo ʻa e ngaahi tuʻutuʻuni fefeka ange ki he tuʻuloa.
ʻOku ʻoange fefe ʻe he ngaahi polokalama puleʻi poto ʻa e ngaahi maama hala LED?
Ko e lelei fakaʻosi ʻo e ngaahi maama hala LED ko ʻenau fenapasi lelei mo e ngaahi polokalama fakaonopooni ke puleʻi ʻaki ʻa e poto. ʻOku ʻi ai ha palopalema mahuʻinga ʻo e ngaahi maama HPS ʻi he tafaʻaki ko ʻeni: ʻoku nau fie maʻu ha taimi fakamafanaʻi ʻo ha ngaahi miniti lahi ke aʻu ki he maama kakato mei ha kamataʻanga momoko pea naʻa mo ha taimi ke toe mokomoko kimuʻa pea toki lava ke toe tutu. ʻOku ʻai ʻe he meʻa ni ha faʻahinga founga ʻo e mapuleʻi ʻi he taimi moʻoni ʻoku ʻikai ʻaonga. Ka neongo ia, ʻoku aʻusia ʻe he ngaahi maama hala LED ʻa e maama kakato ʻi he taimi pe ko ia ʻoku fakamoʻui ai, ʻo ʻikai ha vahaʻataimi fakamafana. Ko e meʻa ko ʻeni ʻoku malava ke fakamoʻui ʻi he taimi pe ko ia ʻa e ki ʻoku ne fakaava ʻa e meʻa kotoa pe ʻoku malava ʻe he maama poto ʻo e kolo. ʻE lava ke faingofua hono fakatahaʻi kinautolu mo e photocells, motion sensors, mo e central management systems (CMS) ʻoku fetuʻutaki ʻo fakafou ʻi he netiueka wireless. ʻOku fakaʻata heni ha ngaahi founga fakasiʻisiʻi ʻo e ivi. Hange ko ʻeni, ʻe lava ke fakasiʻisiʻi ʻa e mama ki he 30% pe 40% lolotonga e ngaahi houa poʻuli ʻi he taimi ʻoku siʻisiʻi ai ʻa e fefonongaʻaki, pea ulo vave ki he 100% ʻi he taimi ʻoku fakatokangaʻi ai ʻe ha sensor ha tokotaha lue lalo, pasikala pe meʻalele. ʻE lava ke fakahaofi ʻe he maama adaptive ko ʻeni ha toe 30-40% ʻi he ivi ʻo fakalaka atu ʻi he fakahaofi mei he fakaleleiʻi ʻo e LED. ʻIkai ngata ai, ʻoku ʻomi ʻe he CMS ʻa hono vakaiʻi taimi moʻoni ʻo e maama fakafoʻituitui, lipooti he taimi pe ko ia ʻa e ngaahi fehalaaki pea fakaʻata ke tokangaʻi lelei mo fakataumuʻa, ʻa ia ʻoku taʻofi ai ʻa e fie maʻu ke maʻu ha ngaahi maama vela ʻoku fakamole lahi mo taʻeʻaonga ʻi he poʻuli.
LED Street Lights vs. High-Pressure Sodium
ʻOku fakamatalaʻi fakanounou ʻe he tepile ko ʻeni ʻa e ngaahi faikehekehe mahuʻinga ʻi he vahaʻa ʻo e ngaahi maama hala LED mo e ngaahi maama sodium maʻolunga tukufakaholo, ʻo fakamamafaʻi ʻa e ngaue maʻolunga ange ʻo e tekinolosia LED ʻi he meimei metric.
| Fakamatala | High-pressure sodium (HPS) | Maama Hala LED |
|---|---|---|
| ʻAonga ʻo e Maama (Polokalama) | Feʻunga (80-140 lm/W maʻuʻanga tokoni, ka ʻoku maʻulalo ange ʻa e ola lelei ʻo e polokalama koeʻuhi ko e mole ʻa e mata) | Maʻolunga (130-160+ lm/W, mo e mole fakaʻata siʻisiʻi) |
| Fakahokohoko Fakamotuʻalea ʻo e Color Rendering (CRI) | Masiva (20-25), maama lanu moli monochromatic | Lelei ʻaupito (70-90+), lahi ʻo e spectrum, lanu moʻoni |
| Loloa ʻo e moʻui | Nounou ki he Moderate (houa ʻe 10,000 – 24,000 fakaʻuhinga, maʻulalo ange ʻi he akonga) | Loloa ʻAupito (houa ʻe 50,000 – 100,000+) |
| Tufakiʻanga Naunau mo Puleʻi ʻo e Maama | Masiva (Omnidirectional, fakafalala ki he ngaahi reflectors ʻoku ʻikai lelei, ʻikai lelei ʻa e faitatau) | Lelei ʻaupito (Directional, tonu optics, uniformity maʻolunga) |
| Taimi Kamata / Restrike | Mamalie (miniti ʻe 5-10 ʻo e warm-up, ʻikai lava ʻo toe taaʻi he taimi pe ko ia) | Instant (Maama kakato he taimi pe ko ia, ʻikai toe toloi ʻa e restrike) |
| Uesia ʻo e ʻAtakai | Maʻolunga (ʻOku ʻi ai ʻa e mercury kona, fakaʻauha ʻo e veve fakatuʻutamaki) | Maʻulalo (ʻIkai ha mercury, recyclable kakato, eco-friendly) |
| Fenapasi mo e Smart Controls | Masiva (ʻOku taʻofi ʻe he taimi fakamafanaʻi ʻa e dimming/sensing) | Lelei ʻaupito (Dimmable kakato, fakatahaʻi mo e motion sensors mo e CMS) |
| Fakaʻaongaʻi ʻo e ivi mo e fakahu paʻanga | Fakavaʻe (Fakaʻaongaʻi lahi ʻo e ivi, maumau lahi) | Fakasiʻisiʻi ʻo e 50-70% vs. HPS, tanaki atu mo ha toe fakahu paʻanga mei he ngaahi meʻa ʻoku puleʻi ʻe he adaptive |
Ko hono fakaʻosi, ko e fakafehoanaki ʻi he vahaʻa ʻo e ngaahi maama hala LED mo e ngaahi maama sodium ʻoku fuʻu tafaʻaki taha. Neongo naʻe fakahoko ʻe he HPS ʻene taumuʻa ʻi ha ngaahi taʻu lahi, ka ʻoku ʻai ʻe hono ngaahi fakangatangata fakatekinikale ko ha tekinolosia ʻo e kuohili. ʻOku fakaleleiʻi ʻe he ngaahi maama hala LED ʻa e ngaahi tonounou kotoa ko ʻeni, ʻo ʻoatu ha founga ʻoku lelei ange, tolonga loloa, malu mo falalaʻanga ange ki he ʻatakai. ʻOku mahino ʻa e fili ki ha faʻahinga kolo pe kolo ʻoku fie maʻu ke fakasiʻisiʻi ʻa e fakamole, holoki hono topuvaʻe ʻo e kaponi, pea fakaleleiʻi ʻa e tuʻunga ʻo e moʻui ʻa hono kakai ʻo e fonua: ko e kahaʻu ʻo e maama hala ko e LED.
Ngaahi Fehuʻi ʻOku Faʻa ʻEke Fekauʻaki mo e LED mo e HPS Street Lights
ʻE lava nai ke u fetongi fakahangatonu ha foʻi ʻuhila HPS ʻaki ha LED ʻi heʻeku maama hala lolotonga?
ʻI he ngaahi meʻa lahi, ʻoku ʻikai fokotuʻu atu ke fetongi pe ʻa e maama HPS ʻaki ha LED "corn cob" pe foʻi ʻuhila sikuli. ʻOku kehekehe ʻaupito ʻa e optics, heat sinking, mo e ʻuhila drivers. Ke fakaleleiʻi lelei mo malu, ʻoku totonu ke ke fetongi ʻa e maama kotoa ʻaki ha maama hala LED pe fakaʻaongaʻi ha naunau LED retrofit ʻoku feʻunga mo hoʻo naunau pau, ʻa ia ʻoku ne fetongi ʻa e fakatahaʻanga fakaʻata mo e fakaʻuli.
ʻOku lelei ange ʻa e maama lanu moli mei he ngaahi maama HPS ki he kakapu ʻi he maama LED hinehina?
ʻI he hisitolia, naʻe pehe ʻoku lelei ange ʻa e maama lanu engeenga/lanu moli ʻo e HPS ki he hu ki he kakapu. Neongo ia, ʻoku faʻa fakaʻaongaʻi ʻe he ngaahi maama hala LED ʻo onoponi ʻa e mafana ʻo e lanu fakafekauʻaki (CCT) ʻo e 3000K pe 4000K, ʻa ia ʻoku potupotutatau. Neongo ʻoku siʻisiʻi ange ʻa e fakamovetevete ʻa e maama engeenga loloa, ka ʻoku faʻa ʻomi ʻe he malohi mo e mapuleʻi ʻo e LED ʻa e ʻata fakalukufua lelei ange ʻi he kakapu. ʻIkai ngata ai, ʻe lava ke fakamahinoʻi ʻa e ngaahi naunau LED foʻou lahi ʻaki ha "mafana" 2700K-3000K CCT ke fakalahi ʻa e ngaue ʻa e ʻea.
Ko e ha e lahi ʻo e paʻanga ʻe lava ke fakahaofi ʻe ha kolo ʻi he liliu ki he ngaahi maama hala LED?
ʻOku lahi ʻa e paʻanga. ʻOku angamaheni ʻaki ʻa e sio ʻa e ngaahi kolo ki ha holoki ʻe 50-70% ʻi he fakamole ki he maama hala ʻi he hili pe ʻa e liliu ʻa e LED. ʻI he taimi ʻoku fakatahaʻi ai mo e fakasiʻisiʻi ʻo e fakamole ki hono tokangaʻi (koeʻuhi ko e loloa ange ʻa e moʻui ʻa e LEDs) mo e malava ke mapuleʻi ʻa e dimming adaptive, ʻoku faʻa totongi ʻe he fakakatoa ʻo e fakamole ki he ngaue ʻi loto ʻi he taʻu ʻe 5 ki he 7, hili ia ʻoku hokohoko atu hono fakahaofi ʻe he kolo ʻa e laui miliona ʻi he taʻu.
