Knowledge

Nyob rau hauv lub ntiaj teb no ntawm sab nraum zoov illumination, xaiv qhov zoo dej nyab lub teeb muaj ntau tshaj li kev sib piv wattage thiab lumens. Ib qho tseem ceeb, tab sis feem ntau tsis saib xyuas, cov yam ntxwv ntawm hluav taws xob yog lub zog Factor (PF). Qhov kev ntsuas no, qhia tias yog tus lej ntawm 0 thiab 1, qhov tseem ceeb ntsuas seb lub cuab yeej hloov pauv cov khoom siv hluav taws xob tuaj rau hauv kev ua haujlwm muaj txiaj ntsig (lub teeb). PF qis qhia tias tsis muaj peev xwm ua tau, ua rau "reactive zog" mus rau hauv cov xaim, ua rau lub zog poob, muaj feem cuam tshuam rau cov nqi hluav taws xob, thiab straining cov hluav taws xob infrastructure. Rau leej twg hais txog lub vaj teeb pom kev zoo lossis teeb pom kev tsim vaj tsev rau qhov chaw muaj kev lag luam, nkag siab txog dab tsi yog lub zog ntawm cov teeb pom kev zoo? yog qhov tseem ceeb rau kev ua tus nqi- kev xaiv ua tau zoo thiab ua tau raws. Kab lus no muab cov ncauj lus kom ntxaws txog PF ntau yam thoob plaws lub teeb pom kev sib txawv, txhawb nqa koj nrog cov kev paub uas xav tau rau kev xaiv khoom, tsim qhov project, thiab kev paub txog kev yuav khoom.

Nkag siab txog Power Factor Spectrum

Lub PF ntawm lub teeb dej nyab tsis yog txiav txim siab los ntawm lub teeb pom kev ntawm nws tus kheej tab sis los ntawm lub voj voog uas ua rau nws lub zog -tshwj xeeb, tus tsav tsheb LED lossis HID ballast. Cov khoom no zoo li cas lub cuab yeej rub tawm tam sim no los ntawm AC mains. Cov txiaj ntsig PF tau poob rau hauv ntau pawg:

● Tsawg heev (0.4 - 0.7): Yam ntxwv ntawm uncompensated magnetic (inductive) loads. Qhov ntau yam no qhia txog kev ua haujlwm tsis zoo thiab yog ib qho ntawm cov cuab yeej qub.

● Zoo (0.85 - 0.95):Tus txheej txheem rau kev ua lag luam thiab cov khoom siv ua lag luam. Nws ua tau raws li cov qauv thoob ntiaj teb zoo tshaj plaws.

●Excellent/High ( >0.98 - 1.0):Sawv cev ze rau -kev ua tau zoo zoo, ua tiav los ntawm kev kho cov kab hluav taws xob siab, txo cov khib nyiab thiab kev sib raug zoo.

Nrog rau lub hauv paus ntsiab lus no, cia peb tshawb xyuas cov txiaj ntsig zoo ntawm PF rau thawj hom teeb pom kev nyab xeeb ntawm lub khw.

1. LED Dej nyab teeb: Dominated los ntawm Tsav Tsheb Technology

Raws li qhov kev xaiv tseem ceeb rau cov teeb pom kev sab nraum zoov niaj hnub no, LEDs tau hloov pauv kev ua haujlwm, tab sis lawv cov PF yog nyob ntawm qhov zoo ntawm kev sib xyaw LED tsav tsheb. Tus neeg tsav tsheb tus tsim dictates PF thiab theem ntawm harmonic distortion (THD).

●Basic/Tsis yog-Kho kom raug tsav tsheb (Hloov PF: 0.50 - 0.70):
Pom nyob rau hauv qhov qis tshaj - cov khoom lag luam tus nqi, cov tsav tsheb no tsis muaj lub siab xav kho lub zog (PFC). Qee zaum lawv tau siv rau hauv cov khoom me me, dej nyab lub teeb rau hauv tsev siv lossis teeb pom kev zoo ib ntus uas tus nqi yog qhov kev txhawj xeeb tseem ceeb. Txawm li cas los xij, lawv ua tsis tau raws li qhov tsawg kawg nkaus PF qhov yuav tsum tau muaj ntau dua lossis sib npaug li 0.85 los ntawm cov qauv kev lag luam feem ntau (xws li EU EN 61000 lossis Tuam Tshoj GB 17625.1) thiab yuav tsum zam rau hauv ib daim ntawv thov kev tshaj lij. Lub teeb dej nyab hauv tsev pob los ntawm ib lub npe tsis paub yuav ua rau tus neeg tsav tsheb zoo li no, ua rau muaj qhov tsis zoo.

●Passive PFC Tsav Tsheb (Hom PF: 0.90 - 0.95):
Qhov no yog qhov feem ntau thiab tus nqi -txoj kev kho kom zoo rau tus qauv- fais fab sab nraum zoov coj dej nyab teeb fixtures. Passive PFC siv cov khoom siv passive (xws li inductors thiab capacitors) los tsim cov tswv yim tam sim no, ua tiav PF "zoo". Nws yog qhov tsim nyog rau feem ntau ntawm cov ntawv thov, suav nrog thaj chaw teeb pom kev zoo rau cov chaw nres tsheb, lub tsev facades, thiab raws li lub qab nthab dej nyab teeb nyob rau hauv warehouses. Lub siab -lub teeb pom kev zoo hauv chav nres tsheb lossis lub teeb pom kev zoo hauv vaj yuav feem ntau muaj tus tsav tsheb PFC tsis muaj zog. Cov thev naus laus zis no tseem ua kom Tag Nrho Harmonic Distortion (THD) qis dua 20%, ua tau raws li cov kev cai tswj hwm yooj yim.

●Active PFC Drivers (Typical PF: >0.98):
Qhov no sawv cev rau qib hwm ntawm kev tsav tsheb thev naus laus zis, qhov tseem ceeb rau siab -lub zog thiab lub luag haujlwm- cov ntawv thov tseem ceeb. Active PFC siv ib qho kev sib txuas sib txuas los ua kom muaj zog rau cov tswv yim tam sim no kom ua raws li cov tswv yim voltage waveform yuav luag zoo tag nrho. Rau 2000 watt coj dej nyab teeb array illuminating lub chaw ntau pob dej nyab lub teeb los yog xav tau kev lag luam dej nyab lub teeb sab nraum zoov teeb tsa ntawm qhov chaw nres nkoj lossis chaw ua haujlwm, tus tsav tsheb PFC tsis tuaj yeem sib tham tau. Nws ua kom muaj kev ua tau zoo tshwj xeeb, txo qhov kev pheej hmoo ntawm kev nplua rau kev siv hluav taws xob tsis zoo, thiab txo qis kev sib haum xeeb (THD)<10%), protecting sensitive equipment on the same grid. Specifying "Active PFC, PF>0.98 "yog qhov sib txawv tseem ceeb thiab kev ncaj ncees rau tus nqi hwm hauv cov lus tshaj lij rau qhov zoo tshaj plaws sab nraum zoov coj teeb.

●Smart thiab Dimmable Tsav Tsheb (Hloov PF: Sib txawv):
Qhov nce ntawm cov teeb pom kev zoo sab nraum zoov dej nyab thiab teeb pom kev nyab xeeb sab nraum zoov nrog cov chaw taws teeb dimming ntxiv ib txheej ntawm kev nyuaj. Cov tsav tsheb zoo tshaj plaws no, uas tseem tuaj yeem siv lub zog rgb dej nyab lub teeb sab nraum zoov, feem ntau tuav lub PF zoo (0.85-0.95) thaum ua haujlwm ntawm lub zog tag nrho. Txawm li cas los xij, thaum dimmed rau qib qis qis (piv txwv li, 30%), PF tuaj yeem poob qis, qee zaum mus rau 0.7 lossis 0.8. Cov khoom lag luam tshwj xeeb yuav tsum ib txwm hais txog PF ntawm kev thauj khoom tag nrho, thiab cov yam ntxwv no yuav tsum tau txiav txim siab hauv cov qauv tsim qauv rau cov chaw xws li theem dej nyab teeb qhov chaw dimming ntau zaus.

2. HID Flood Lights: Txoj Cai ntawm Inductive Loads

Traditional High-Kev Siv Hluav Taws Xob Hluav Taws Xob (HID) teeb, xws li Hlau Halide thiab High-Sodium Pressure, tau ntev tus qauv rau lub teeb dej nyab loj thiab teeb pom kev nyab xeeb rau sab nraud hauv thaj chaw xws li chaw ua kis las thiab chaw ua haujlwm. Lawv PF tau hais los ntawm ballast.

●Inductive (Magnetic) Ballasts (Tswj PF: 0.40 - 0.60):
Qhov no yog qhov qub tshaj plaws thiab ua tau zoo tshaj plaws. Cov hlau-core ballast nthuav tawm cov khoom siv hluav taws xob zoo heev rau daim phiaj, ua rau PF qis heev. Ib qho 1000W HID fixture nrog PF ntawm 0.5 tiag tiag kos qhov sib npaug tam sim no ntawm 1250W resistive load, nrog rau 250VA ntxiv yog khib nyiab reactive zog. Cov no yog ib txwm muaj nyob rau hauv legacy installation thiab yog lub hom phiaj tseem ceeb rau retrofit los yog hloov. Siab-Nias Sodium teeb nrog cov ballasts feem ntau zaum ntawm qhov kawg ntawm qhov no (~0.45).

●Compensated Electronic Ballasts (Hom PF: 0.85 - 0.95):
Niaj hnub nimno hluav taws xob ballasts rau HID suav nrog cov khoom siv hluav taws xob kho hluav taws xob, feem ntau siv cov khoom siv sib xyaw ua ke, txhawm rau txhawb PF kom ua raws qib. Thaum HID thev naus laus zis tau hloov pauv ntau los ntawm LED, tshiab lossis niche HID kev teeb tsa yuav siv hom ballast. PF kev ua tau zoo yog piv rau tus qauv passive PFC LED tsav tsheb, txawm hais tias lub zog siv hluav taws xob (lumens per watt) ntawm lub teeb ci nws tus kheej tseem qis dua LED.

3. Halogen Flood Lights: Lub Simplicity ntawm Resistance

Halogen teeb yog qhov tseem ceeb tshaj qhov muag teeb. Lawv ua raws li cov khoom siv dawb huv, zoo ib yam li lub tshuab cua sov. Yog li, lub teeb dej nyab halogen muaj PF ntawm kwv yees li 1.0 (kev sib sau). Txawm li cas los xij, qhov zoo tshaj plaws PF no yog qhov tsis zoo los ntawm lawv cov kev ua haujlwm tsis zoo luminous (ze li 15-20 lm / W). Lawv hloov feem ntau ntawm cov hluav taws xob hluav taws xob mus rau hauv tshav kub es tsis yog lub teeb, ua rau lawv kev lag luam thiab ib puag ncig tsis zoo rau kev siv hluav taws xob sab nraum zoov thiab tau hais ntawm no tsuas yog ua kom tiav.

Cov txiaj ntsig zoo: Vim li cas Cov Kab no tseem ceeb rau koj qhov project

Kev nkag siab txog cov txiaj ntsig ntawm PF no tsis yog ib qho kev kawm; nws muaj kev cuam tshuam ncaj qha, pom tau.

● Daim phiaj ua raws cai thiab cov nqi siv hluav taws xob:Cov khoom siv hluav taws xob feem ntau muaj cov cai uas yuav tsum muaj cov khoom siv teeb pom kev zoo kom muaj qhov tsawg kawg nkaus PF, feem ntau 0.85 lossis 0.90. Kev qhia txog qhov qis -PF cov khoom lag luam tuaj yeem ua rau qhov project tsis lees paub. Tsis tas li ntawd, cov neeg siv khoom lag luam loj thiab kev lag luam feem ntau tau them nqi rau lub zog pom tseeb (kVA) lossis raug nplua ncaj qha rau PF qis. Kev kho dua tshiab los ntawm qhov qub HID system (PF=0.5) mus rau passive PFC LED (PF=0.92) tuaj yeem txo qhov kev thov them nqi no ntau heev.

●Kev Tsim Qauv rau Cov Haujlwm Loj: For a massive installation like tennis court flood lights or an entire industrial park, the collective PF of all fixtures determines the load on transformers and cables. A project using hundreds of fixtures with Active PFC (>0.98) tuaj yeem siv cov khoom siv hluav taws xob me me, tsis tshua muaj nqi hluav taws xob piv rau ib qho uas siv cov qauv Passive PFC (0.90) fixtures, vim tias tag nrho cov tam sim no (amperage) qis dua rau tib lub zog tiag tiag (kW).

●Kev xaiv khoom thiab nqe lus:Rau kev muag khoom thiab kev qhia tshwj xeeb, PF yog cov cuab yeej muab qhab nia tseem ceeb. Lub teeb ci ntsa iab ua lag luam rau kev tshaj lij yuav tsum muaj PF tsawg kawg yog 0.9. Rau siab -cov ntawv siv fais fab, "Active PFC" feature yuav tsum tau hais meej meej vim nws hais txog engineering kev txhawj xeeb txog lub hwj chim zoo thiab ntev - lub sij hawm ua lag luam txuag nqi, ua pov thawj qhov kev nqis peev ntau dua.

Summary of Type Power Factor Values

Cov lus hauv qab no muab - cov lus qhia ceev ceev rau cov ntaub ntawv tseem ceeb:

Hom Lub Teeb Dej nyab	Subcategory / Technology	Hom Lub Cev Muaj Zog (PF)	Qhov zoo tshaj plaws rau ...
LED	Basic / Tsis yog -Kho tsav tsheb	0.50 – 0.70	Tus nqi qis tshaj -, tsis yog - cov khoom siv hauv tsev
LED	Passive PFC Tsav Tsheb	0.90 – 0.95	Feem ntau cov qauv siv (chaw teeb pom kev zoo, niaj hnub sab nraum zoov dej nyab teeb)
LED	Active PFC Tsav Tsheb	>0.98	High-lub zog, kev lag luam, thiab kab hluav taws xob- cov haujlwm tseem ceeb
HID	Inductive (Magnetic) Ballast	0.40 – 0.60	Legacy systems (lub hom phiaj rau retrofit)
HID	Compensated Electronic Ballast	0.85 – 0.95	Tshiab, niche HID kev teeb tsa
Halogen	Resistive Filament	~1.0	Kho kom zoo nkauj / architectural siv (tsis tshua muaj txiaj ntsig)

Xaus

Kho lub kaum sab xis ntawm txoj kev teeb pom kev zoo raws li cov xwm txheej tiag tiag yog qhov ua kom zoo, ntau- cov txheej txheem theem uas hloov cov teeb pom kev yooj yim mus rau qhov ntse, ua tau zoo, thiab muaj kev nyab xeeb sab nraum zoov teeb pom kev zoo. Los ntawm kev txav los ntawm qhov kev ntsuam xyuas ntawm qhov chaw los ntawm kev suav thawj zaug teeb tsa, ceev faj zoo -tu, thiab kev txheeb xyuas nruj-thaum suav rau thaj chaw tshwj xeeb thiab cov qauv tsim-cov zej zog tuaj yeem ua kom lawv cov teeb pom kev zoo, txawm tias muaj kev txiav- ntug kev teeb pom kev zoo niaj hnub los yog kev ua kom zoo dua qub, kev nyab xeeb rau txhua tus neeg siv.

 

 

Yog xav paub ntxiv, thov mus saib peb lub vev xaibwww.nszlamp.com

Email rausales@nszlamp.com

Hu rau: +86 199 0658 5812 / +86 190 4568 8355 / +86(0574) 65358138

Dab tsi yog app:+86 199 0658 5812 / +86 190 4568 8355