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Author Topic: Skema Inverter Sederhana 12v ke 220V  (Read 5969 times)

banditos

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Skema Inverter Sederhana 12v ke 220V
« on: 25 July 2011, 02:57:59 PM »
Berikut ini saya menemukan sebuah rangkaian/ skema inverter sederhana yang menggunakan transistor 2N3055 NPN



C1, C2   2   68 uf, 25 V Tantalum Capacitor   
R1, R2   2   10 Ohm, 5 Watt Resistor   
R3, R4   2   180 Ohm, 1 Watt Resistor   
D1, D2   2   HEP 154 Silicon Diode   
Q1, Q2   2   2N3055 NPN Transistor (see "Notes")   
T1   1   24V, Center Tapped Transformer (see "Notes")   
MISC   1   Wire, Case, Receptical (For Output)   

pada gambar skema inverter di atas, trafo yang digunakan adalah 120v jika ingin keluar 220v gunakanlah trafo yg biasa kita pakai.

Catatan dari yang bikin skema inverter ini:
Quote
Notes

    Q1 and Q2, as well as T1, determine how much wattage the inverter can supply. With Q1,Q2=2N3055 and T1= 15 A, the inverter can supply about 300 watts. Larger transformers and more powerful transistors can be substituted for T1, Q1 and Q2 for more power.

    The easiest and least expensive way to get a large T1 is to re-wind an old microwave transformer. These transformers are rated at about 1KW and are perfect. Go to a local TV repair shop and dig through the dumpster until you get the largest microwave you can find. The bigger the microwave the bigger transformer. Remove the transformer, being careful not to touch the large high voltage capacitor that might still be charged. If you want, you can test the transformer, but they are usually still good. Now, remove the old 2000 V secondary, being careful not to damage the primary. Leave the primary in tact. Now, wind on 12 turns of wire, twist a loop (center tap), and wind on 12 more turns. The guage of the wire will depend on how much current you plan to have the transformer supply. Enamel covered magnet wire works great for this. Now secure the windings with tape. Thats all there is to it. Remember to use high current transistors for Q1 and Q2. The 2N3055's in the parts list can only handle 15 amps each.

    Remember, when operating at high wattages, this circuit draws huge amounts of current. Don't let your battery go dead :-).

    Since this project produces 120 VAC, you must include a fuse and build the project in a case.

    You must use tantalum capacitors for C1 and C2. Regular electrolytics will overheat and explode. And yes, 68uF is the correct value. There are no substitutions.

    This circuit can be tricky to get going. Differences in transformers, transistors, parts substitutions or anything else not on this page may cause it to not function.

    If you want to make 220/240 VAC instead of 120 VAC, you need a transformer with a 220/240 primary (used as the secondary in this circuit as the transformer is backwards) instead of the 120V unit specified here. The rest of the circuit stays the same. But it takes twice the current at 12V to produce 240V as it does 120V.

    Check out this forum topic to answer many of the most commonly asked questions about this circuit: 12 - 120V Inverter Again. It covers the most common problems encountered and has some helpful suggestions.


Kalo ada waktu akan saya buktikan/rakit skema diatas dan menuliskan hasilnya disini.

Regards,
Banditos at rajaforum.com
« Last Edit: 05 August 2011, 09:34:35 AM by banditos »
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sweager88

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Re: Skema Iverter Sederhana 12v ke 220V
« Reply #1 on: 26 July 2011, 12:04:43 AM »
ane pengen banget bisa elektro...!
request elektro dasar ah...!  :)
 bisnis online yuk       visit to my blog: www.rachmadishare.blogspot.com   &  www.manajemenkita.blog.com
 cari jodoh ah disini
 jualbelimobil

banditos

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Re: Skema Iverter Sederhana 12v ke 220V
« Reply #2 on: 05 August 2011, 09:34:08 AM »
Belajar aja dan cari ilmunya di inet banyak mod!!

Jangan lupa share di sini kalo udah nemu ilmunya. Ane juga sama2 masih belajar. Dan jangan lupa praktekin ilmu yg dah didapet,

kalo tanpa praktek terasa hambar ilmu elektronya ;)
Belajar dan berbagi, mencari dan mencari

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Re: Skema Iverter Sederhana 12v ke 220V
« Reply #2 on: 05 August 2011, 09:34:08 AM »

 

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