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Chargeman Jobs → MYCHARGEMAN Forum → Elektrik Industri → Voltan permulaan lampu pendaflour, HPS, MH etc
 

Topic: Voltan permulaan lampu pendaflour, HPS, MH etc

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Voltan permulaan lampu pendaflour, HPS, MH etc
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Berapakah nilai voltan permulaan bagi menghidupkan sesebuah:

1. 36W pendaflour

2. 70W HPS SON

3. 250W MH

 

Adakah terdapat formula pengiraan bagi mendapatkan nilai voltan permulaan semasa pencucuhan dilakukan untuk menyalakan tube?



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Staff Sarjan
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untuk 36 W pendafaflour voltan permulaan adalah tinggi sehingga 1000v.. Choke sebagai kapasitor bertindak untuk menyimpan tenaga (charging) bagi menyediakan voltan yang tinggi tersebut.. Ini kerana circuit lampu pendaflour nanti akan lengkap melalui sambungan secara ionizing gas2 dalam tiub kampu tersebut [ argon, neon, xenon, dll ]..



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ZD
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Bagaimana pula dgn lampu flourescent yg terdpt d psrn skrg?yg tidak mggunakn starter..adakh msih mggunakn konsep yg sama?atau aplikasi kendalian skdr d tukar secara elektronik...

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Soalan yang bagus..



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electronic ballast..prinsip sama tapi x guna coil (magnetic ballast).. boleh jimat tenaga kerana coil ni menghasilkan reactive power.. dia leh wat voltage drop (current naik), maka bil naik gak.. Electronic ballast ni plak, dia guna electronic part (PCB).. walaupun dia x menghasilkan reactive power tp dia menyumbang pula kepada masalah harmonic..

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ZD
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yup itu dia.. macam kes CFL yang student UTM tengah kaji sekarang ni. CFL dicipta untuk meredakan HArmonic sedangkan dalam masa yang sama ianya mencipta semula harmonic. Bila ditanya, saya pun jadi pening. Ada solution?

CFL= Compact Fluorescent Lamp (Energy saving)

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RIDZWAN DOM
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semakin berkembang idea,semakin tinggi jgk pencapaian...seterusnya dpt membantu orang ramai...thnks admin n ex-ST

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DOM
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right..

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Rais iMech
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Jika lampu pendaflor tidak menggunakan starter,adakah ia tidak meletup?

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RockerLetrik
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klo xde starter,cmne die nk starting volt die jika die gne magnetic ballast..len ar klo gne electronic ballast

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RockerLetrik
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and npe plak die nk mletop,len ar tiub die ad bocor

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