Mahino ʻa e liliu ʻi he tekinolosia ʻo e maama hala ʻi he kolo

ʻOku fetongi mamalie ʻa e maama ʻamipa angamaheni kuo ne fakamaama ʻa e ngaahi hala ʻo e kolo ʻi ha ngaahi taʻu lahi ʻaki ha maama hinehina maʻamaʻa. ʻOku fakafofongaʻi ʻe he liliu ko ʻeni ʻa e taha ʻo e ngaahi fakaleleiʻi mahuʻinga taha ʻi he hisitolia ʻo e kolo ʻo onoponi, ʻa ia ʻoku tekeʻi ʻe he fie maʻu fakaemamani lahi ki hono fakatolonga ʻo e ivi mo hono fakasiʻisiʻi ʻo e emission ʻo e kolo. ʻI he tupulaki ʻa e ʻekonomika mo e tokolahi ʻo e kakai ʻi he kolo, kuo hanga ʻe he fie maʻu ʻo e ivi ʻo teke lahi ʻa e ngaahi maʻuʻanga tokoni mo e ʻatakai. Kuo hoko ʻa e maama hala, ʻa ia ko e fakamole lahi taha ia ki he ʻuhila ʻa e kolo—ʻa ia ʻoku aʻu ki he 40% ʻo e moʻua ʻuhila ʻa e kolo—ko ha tefitoʻi taumuʻa ia ki hono fakaleleiʻi ʻo e tuʻunga lelei. Ko e fili ʻo e tekinolosia ʻo e maama ʻi hotau ngaahi hala ʻoku ʻikai ko ha meʻa fakaʻofoʻofa pe; ʻOku ʻi ai hono ngaahi kaunga lahi ki he malu ʻa e kakai, uesia ʻo e ʻatakai, mo e patiseti fakakolo. ʻI he ngaahi taʻu lahi, kuo hoko ʻa e ngaahi maama sodium (HPS) ko e hoosi ngaue ʻo e maama ʻo e hala, ʻa ia ʻoku fakamahuʻingaʻi ʻi heʻenau moʻui fuoloa ʻi hono fakafehoanaki ki he ngaahi tekinolosia kimuʻa pea mo ʻenau malava ke hu ki he kakapu. Neongo ia, kuo ʻomi ʻe he aʻu mai ʻa e tekinolosia Light Emitting Diode (LED) ha fili malohi ʻoku laka hake ʻi he HPS ʻi he meimei founga kotoa pe ʻe lava ke fuatautau. ʻOku fakaʻaliʻali ʻe he ʻanalaiso 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 pau ia ki he ngaahi kolo ʻo onopooni, tuʻuloa ʻoku fakataumuʻa ke aʻusia ʻenau ngaahi taumuʻa ki hono fakatolonga ʻo e ivi mo hono fakasiʻisiʻi ʻo e ʻea ʻo e ʻea.

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), ko ha tekinolosia kuo ne puleʻi ʻa e maama ʻi tuʻa ʻi ha vaeuaʻi senituli tupu. ʻOku makatuʻunga ʻenau ngaue ʻi hono paasi ha ʻuhila ʻi ha tiupi ʻumea ʻoku ʻi ai ha tuifio ʻo e mercury, sodium, mo e kasa xenon. ʻI he taimi ʻoku to ai ʻa e arc, ʻoku fiefia ʻa e kohu sodium pea ʻomi ha mama, ʻa ia ʻoku fakafotunga ʻaki hono ulo lanu engeenga monochromatic. Naʻe ʻiloa ʻa e ngaahi maama HPS ʻi ha ngaahi ʻuhinga malohi. Naʻa nau ʻomi ha fakalakalaka lahi ʻi he ola lelei ʻi heʻenau ngaahi maama kimuʻa, ʻa ia naʻa nau faʻa maʻu ʻa e 80 ki he 140 lumens ki he watt, ʻa ia naʻa ne ʻai ke nau hoko ko ha fili lelei ki honau taimi. Ko ʻenau lelei lelei taha ko ʻenau ngaue ʻi he ʻea kovi. ʻOku siʻisiʻi ange ʻa e fakamovetevete ʻe he ngaahi momoʻi meʻa ʻo e vai ʻi he kakapu, ʻuha mo e sinou. Naʻe ʻoange ʻe he ʻulungaanga ko ʻeni ki he ngaahi maama HPS ha ongoongo lelei ʻi heʻenau ʻomi ha tuʻunga ʻo e sio ʻi he taimi ʻoku kovi ai ʻa e ʻea. ʻIkai ngata ai, ko ʻenau moʻui, ʻo aʻu ki he houa ʻe 24,000, ko ha fakalakalaka lahi ia ʻi he ngaahi meʻa ʻoku hoko ʻi he maama mo e fluorescent, ʻo fakasiʻisiʻi ai ʻa e tuʻo lahi ʻo e liliu ʻo e maama ʻi he ngaahi maile ʻo e hala. Naʻe fakatahaʻi ʻa e ngaahi moʻoniʻi meʻa ko ʻeni ke hoko ai ʻa e HPS ko e fili angamaheni, pea faʻa hoko pe ko e fili ʻaonga ki he kau ʻenisinia maama fakakolo ʻi ha ngaahi taʻu lahi.

Ko e ha ʻa e ngaahi tefitoʻi tonounou ʻo e ngaahi maama HPS ʻi he maama hala?

Neongo ʻenau tuʻukimuʻa fakahisitolia, ʻoku faingataʻaʻia ʻa e ngaahi maama HPS ʻi ha ngaahi fehalaaki fakatekinikale mo fakalele ʻa ia ʻoku fakautuutu ai ʻenau taʻefeʻunga ki he 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 omnidirectional, ʻa ia ko hono ʻuhinga ʻoku nau tuku atu ʻa e maama ʻi he feituʻu kotoa pe, ʻo hange ha ulo ʻo ha teʻelango. Ke tataki hifo ʻa e maama ko ʻeni ki he hala, kuo pau ke fakafalala ʻa e ngaahi maama ki he ngaahi maama lalahi mo piko. ʻOku ʻikai ke ola lelei ʻa e polokalama fakaʻata ko ʻeni. ʻOku ʻi ai ha konga lahi ʻo e mama ʻoku fihia ia ʻi loto ʻi he naunau pe maʻu ʻe he meʻa fakaʻata kimuʻa pea toki aʻu ki he hala. ʻOku faʻa palopalema ʻa e sipinga ʻo e beam, ʻi he maama maʻolunga ʻaupito ʻi lalo ʻi he mama—taimi ʻe niʻihi ʻoku laka hake ʻi he 40 lux ʻi he ngaahi hala hono ua—ʻa ia ʻoku hoko ia ko ha maama ʻoku fuʻu maumau. ʻI he tafaʻaki ʻe taha, ʻi he vaeuaʻanga malie ʻi he vahaʻa ʻo e ongo pou hoko mai, ʻe lava ke to hifo ʻa e maama ki he 40% ʻo e tumutumu ko ia, ʻo fakatupu ai ha ngaahi feituʻu fakapoʻuli fakatuʻutamaki ʻoku ne uesia ʻa e malu ʻa e fakaʻuli mo e lue lalo. ʻOku ʻuhinga ʻa e ʻikai faitatau ko ʻeni ʻoku fakamoleki ʻa e ivi ʻi he ngaahi feituʻu ʻoku fuʻu maama kae ʻikai ke maama feʻunga ʻa e niʻihi kehe. Ua, ʻoku uesia lahi ʻe he palani ko ʻeni ʻa e lavameʻa fakalukufua ʻo ha maama HPS. ʻOku fakafuofua pe ʻa e ola lelei ʻo e emitter ʻi he 50-60%, ʻa ia ko e meimei 30-40% ʻo e maama ʻoku maʻu ʻoku mole ia ʻi loto ʻi he meʻa ʻoku maʻu, ko ha maumau mahuʻinga mo taʻeʻamanekina 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 ʻaupito 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 maʻu pe mei he fefonongaʻaki, feliliuaki ʻa e mafana ʻo e ʻea, mo e hauhau. Ko hono ola, ʻe lava ke laka hake ʻi he 60% ʻa e taʻemalava fakataʻu ki hono fokotuʻu ʻo e HPS, ʻo iku ki he toutou telefoni ki hono tokangaʻi ʻo holoki ha faʻahinga fakahaofi ivi.

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, ʻa ia ko e ngaahi meʻangaue semiconductor fefeka, ko ʻenau maʻuʻanga maama. ʻOku ʻikai hange ko e HPS, ʻa ia ʻoku fakafalala ki he kasa mafana ʻi ha tiupi, ʻoku faʻu ʻe he LEDs ʻa e maama ʻo fakafou ʻi ha founga ʻoku ui ko e electroluminescence, ʻa ia ʻoku tukuange ai ʻe he electrons ʻa e ivi ʻi he fotunga ʻo e photons. ʻOku liliu fakahangatonu ʻa e faikehekehe mahuʻinga ko ʻeni ʻi he fisiki ki ha ngaahi lelei ʻaonga ʻoku ne fakaleleiʻi ʻa e ngaahi palopalema ʻoku fekauʻaki mo e tekinolosia HPS. 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 lahi ʻo e taʻemalava fekauʻaki mo e HPS, ʻo fakaʻata ai ʻa e ngaahi kolo ke fokotuʻu ha faʻunga maama ʻe lava ke falala ki ai ʻi ha ngaahi taʻu lahi pe taʻu lahi taʻe kau ki ai. ʻIkai ngata ai, ko e maama ʻoku faʻu ʻe he LEDs ʻoku kehe mo maʻolunga 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, ʻo liliu ʻa e ʻatakai ʻo e poʻuli. 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, fakafaikehekeheʻi ʻa e ngaahi fakaikiiki, pea vave ange ʻenau ngaue, ʻo fakaleleiʻi ʻa e malu fakalukufua ʻo e 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 mo e mapuleʻi ʻo e mama?

ʻOku mahulu atu ʻa e ngaahi lelei ʻo e LEDs ʻi he lifespan mo e colour rendering ki he uho ʻo e founga ʻoku puleʻi mo tataki ai ʻa e mama ki he hala. Ko e meʻa liliu lahi taha ko honau natula fakahinohino. ʻOku ʻikai tatau ia mo e ngaahi maama HPS ʻoku nau fana ʻa e mama ʻi he feituʻu kotoa pe, ʻoku fakanatula pe ʻa e LEDs, ʻo faʻa tuku atu ʻa e maama ʻi ha sipinga tikili ʻe 180 mei honau funga lafalafa. ʻOku ʻuhinga ʻeni ʻoku fakanatula pe ʻa e fakataumuʻa ʻa e mama ki he feituʻu ʻoku fie maʻu ai—ki he hala—kae ʻikai ki he meʻa ʻoku fie maʻu pe ki he langi ʻi he poʻuli. ʻOku fakaʻata ʻe he ʻulungaanga ko ʻeni ʻo e directional, fakataha mo e ʻenisinia totonu ʻo e secondary optics hange ko e sioʻata, ke mapuleʻi taʻe-hano-tatau ʻa e tufaki ʻo e mama. ʻE lava ke faʻu ʻe he kau faʻu maama 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 tokoni ki he ʻuli ʻo e mama. 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 ki he watt kotoa pe ʻoku fakaʻaongaʻi. 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, 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, ʻa e hala.

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 mo fakalotoa fakapaʻanga taha ki hono ohi mafola. ʻOku ʻikai maʻu ʻa e lavameʻa ko ʻeni mei ha fotunga pe ʻe taha ka mei ha fakatahaʻi malohi ʻo e ngaahi moʻoniʻi: ola lelei ʻo e maʻuʻanga tokoni, lelei ʻo e luminaire maʻolunga, mo hono fakatahaʻi ʻo e ngaahi meʻa ʻoku puleʻi ʻatamai. ʻE lava ke maʻu ʻe ha polokalama HPS ʻa e lumens ʻe 100 ki he watt mei he mama, ka ʻi he hili hono fakamatalaʻi ʻo e ngaahi mole lahi ʻi he reflector mo e ivi ʻoku fakaʻaongaʻi ʻe he ballast, ʻoku holo ʻaupito ʻa e ola lelei ʻo e polokalama. ʻOku kamata ʻaki ʻe he polokalama LED ha chip ʻe lava ke maʻu ai ʻa e 150 lumens ki he watt pea siʻisiʻi ʻaupito ʻa e mole ʻi hono tonu ʻo e opics, ʻoku ne ʻomi ha maama lahi ange ki he hala ʻi 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 ola lahi mo vave ʻi he patiseti ngaue ʻa e kolo mo hono carbon footprint. 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 ngaahi meʻa ʻuli hange ko e SO2 mei he ngaahi fale ʻuhila, ʻo tokoni fakahangatonu ki he ngaahi taumuʻa fakafonua mo fakaemamani lahi ke fakasiʻisiʻi ʻa e ʻuhila. Ka neongo ia, 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 laku taʻetotonu ʻi he lingiʻanga veve, te nau lava ʻo tukuange ʻa e mercury ko ʻeni ki he ʻatakai, ʻo fakaʻuliʻi ai ʻa e kelekele mo e vai ʻi lalo fonua. 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 mo tuʻuloa moʻoni, ʻo fenapasi lelei mo e ngaahi tefitoʻi moʻoni fakaonopooni ʻo e ʻekonomika fuopotopoto.

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 ʻo e puleʻi ʻo e poto, ko ha malava ʻoku taʻemalava ʻi he tekinolosia HPS. ʻOku ʻi ai ha palopalema lahi ʻo e ngaue ʻa e ngaahi maama HPS: ʻoku nau fie maʻu ha taimi fakamafanaʻi ʻo ha ngaahi miniti lahi ke aʻu ki he ngingila kakato mei ha kamataʻanga momoko pea kapau ʻe tamateʻi, ko ha vahaʻataimi mokomoko kimuʻa pea toki lava ke toe tutu. ʻOku hanga ʻe he meʻa ni ʻo ʻai 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 naʻe ʻikai lava ke fakakaukau atu ki ai kimuʻa. 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 he sensor ha tokotaha lue lalo, pasikala pe meʻalele ʻoku ofi mai. ʻE lava ke fakahaofi ʻe he maama adaptive, ʻi he fie maʻu ko ʻeni ha toe 30-40% ʻi he ivi ʻo fakalaka atu ʻi he fakahu mei he fakaleleiʻi ʻo e LED. ʻIkai ngata ai, ʻoku ʻomi ʻe he CMS ʻa hono vakaiʻi ʻi he taimi moʻoni ʻo e maama fakafoʻituitui, lipooti he taimi pe ko ia ʻa e ngaahi fehalaaki pea fakaʻata ke tokangaʻi lelei mo fakataumuʻa. ʻOku toʻo heni ʻa e fie maʻu ke maʻu ʻa e ngaahi maama vela ʻoku fakamole lahi mo taʻefeʻunga ʻi he poʻuli pea fakapapauʻi ʻoku fakaleleiʻi ha faʻahinga mate kimuʻa pea toki hoko ko ha palopalema ki he malu. ʻOku liliu ʻe he tuʻunga ko ʻeni ʻo e puleʻi ʻa e maama hala mei ha kavenga ʻoku ʻikai ke ngaue maʻu pe ki ha konga longomoʻui mo tali ʻo e faʻunga poto ʻo e kolo.

ʻOku mahulu hake ʻa e liliu mei he maama lanu ʻo e sodium ki he maama hinehina ʻo e LEDs ʻi ha kiʻi fakaleleiʻi fakatekinolosia pe. ʻOku ne fakafofongaʻi ha liliu mahuʻinga ʻi he founga ʻoku fakahoko ai ʻe he ngaahi kolo ʻa e ngaahi fale fakapuleʻanga, potupotutatau ʻa e ngaue, fakamole, mo e fatongia ʻo e ʻatakai. Neongo naʻe ngaue lelei ʻa e ngaahi maama HPS ki he ngaahi kolo ʻi ha ngaahi taʻu lahi, ka ʻoku hoko honau 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. Ki ha kolo pe kolo pe kolo ʻoku fie maʻu ke fakasiʻisiʻi ʻa e fakamole ki hono ngaue, holoki ʻa e carbon footprint, pea fakaleleiʻi ʻa e tuʻunga ʻo e moʻui mo e malu ʻa hono kakai ʻo e fonua, ʻoku lahi ʻa e fakamoʻoni: 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. Ko e optics, heat sinking, mo e ʻuhila ko ha ngaahi tekinolosia kehekehe ʻaupito. 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 maʻolunga mo e mapuleʻi totonu 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 mo kehekehe ʻa e paʻanga naʻe fakahuu. 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, pea mo e malava ke toe fakahu ha paʻanga mei he adaptive dimming controls, ʻoku faʻa totongi ʻe he fakakatoa ʻo e fakamole ki hono fakalele ʻo e ngaue kotoa ʻi loto ʻi he taʻu ʻe 5 ki he 7, hili ia ʻoku hokohoko atu hono fakahaofi ʻe he kolo ʻa e laui miliona fakataʻu.