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Make your own DIY 50 watt 12 VDC to 220 VAC Power Inverter UPS

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Easy Homemade 50 watt Power Inverters (12 VDC to 220 VAC) UPS

Make your own DIY 50 watt  12 VDC to 220 VAC Power Inverter UPS

Power inverter (UPS Uninterruptible power supply) is a very useful device which can convert Low voltage from a DC source to high voltage AC. The most common power inverter is 12V to 240V inverter. Perhaps that is because 12V batteries are common. This type of power inverter usually draws current from a DC battery. This battery should be able to provide a high flow of electric current. Normally lead acid batteries can server this purpose well. This current is then converted to 240V square wave alternative current so that we may empower those electric appliances which work on 240V instead of 12V. Inverter falls in the category of expensive devices so many people don’t buy them even they need them. What if I tell you how to build an inverter (UPS Uninterruptible power supply) yourself?

There are a lot of inverter circuit diagrams available online; some of them are complex and others are low performance. I designed my own inverter circuit which is comparable to any professionally made inverter but still is simple enough for you to try.


500 Watt 12DC to 220 VAC Power Inverter (UPS) Construction in Urdu 

500 Watt 12 VDC to 220 VAC Power Inverter (UPS) uninterruptible power supply (English)

Make Your Own 50 to 500 watt Inverter UPS


Watch Video with complete instruction .

 

Here is the inverter circuit diagram:

 

Inverter Circuit Diagram

Download Inverter Circuit Diagram

 

You will need the following parts.

  • 2, metter copper wire (for winding)
  • 2 Transistors 1047
  • 2 Heat sinks to fit power transistors
  • Some wiring wire (for connections)
  • A wiro-board (To build circuit on)
  • A 12V battery of 12V power supply for testing purposes
  • 1 Resisters 1 k

Method:

First of all you have to make some changes in transformer. If u are using 500 V transformer then take 18 to 22 gauge copper wire and on the one side of transformer’s core  make five turn and put a point on it, and turn this point, and again turn the wire five times on the same direction. In this way u get three terminals. If u r connect the transformer to 220 V power supply then it gives 1.5 V on both terminals. Now put transformer D1047 on the palm of your hand and turn it such a way that number appears your way. Now you will see three points. The point on your left side is known as (B) Base, middle one is E and the right one is collector(C). (These are the information only for D1047)

connect the E of both sides of transistors with the outer terminal of secondary coil, after that connect the both outer terminals of the third coil with the base of the both heat sinks of transistor. then connect the collectors of both side by wires n then connect the 500 ohm resistor on emitter and resistor on either side. Now connect the middle terminal of primary coil by one to two ft long wire and clip (crocodile) it and attach this terminal always by the positive terminal, and with the negative terminal of battery connect the both collectors of transistor.

After that the central point of the third coil and a wire attach it with emitter to connect using a heavy ampere switch between both terminals of the Inverter primary coil to apply a capacitor which will prevent the current from the sparking. inverter will switch on as soon as starting to work.

Working:

With both the terminals of battery connect the positive and negative wires to its terminals positive to positive and negative to negative and then open the switch, slightly vibration starts in the inverter as switch is open. Now you can run it into 1 to 500 watt load.

 


 

 500 Watt 12DC to 220 VAC Power Inverter (UPS) Construction in Urdu New

 


This inverter also can charge the batteries, you just need to( on and  off) the switch.

Charging:

You will need to switch off for battery charging and connect the primary coil indirectly with 220 V of power supply, after that battery will start charging. To converts it into UPS you needs only one relay. These relays are AC 220 V and 4.4 terminals.

For online help  visitPak Science and technology Forum

Here is the inverter circuit diagram for battery charging :


Download Inverter Circuit Diagram

 

Here is the inverter circuit diagram for Inverter operation :

 


 

Power Inverter Wattage Chart

inverters Transformer voltages (Input)
Transformer Amps Transformer watt No of Transistors D1047
50 watt inverter 12 V 4 A 50 W 2
100 watt inverter 12 V 10 A 100 W 4 to 6
300 watt inverter 12 V 25 A 300 W 6 to 8
500 watt inverter 12 V 40 A 500 W 8 to 10
1000 watt inverter 24 V 45 A 1000 W 20 to 26
3000 watt inverter 24 V 125 A 3000 W 40 to 50
5000 watt inverter 48 V 105 A 5000 W 60 to 70
Note. table shows that requirement of D1047 transistors for different power inverter wattage

 

Discussions about Pakistan Science Club's Power Inverters 12 VDC to 220 VAC UPS, you can find problems, troubleshooting and construction help Please visit Power Inverters (UPS)12 VDC to 220" Online Support

power inverter ups

 

power inverter Urdu New


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169 comments

  • Comment Link Friday, 27 January 2012 07:40 posted by ali

    *sir , mene transformer lena chaha but wo 12+12/220 ka he lekin 1 side 2 wire hen jo k 220 v k lye , 2sri traf 3 wire hen 12+12 v k lye. ap ne digram me jo transformer dikhaya he os me 1 side 2 aur 2sri side 6 wire hen, ab me kea kron , ye tarnsformer kahan se lon, thank u.

  • Comment Link Friday, 13 January 2012 19:53 posted by Drwebs

    Sir, i'v been using already made UPS(for PC) to power my Tv, DVD, fan and a bulb. I found out that UPS can't charge d battery. Please what do i do??

  • Comment Link Tuesday, 10 January 2012 06:27 posted by SAAD KHAN

    SIR BHOT HI SHANDAR UPS BANAYA APNY MAGAR IS ME AP NY YE NAHI BATAY K IS KY LIYE BETTRY CONSI PURCHAS KARNI PARY GI OR YE 220V ELECTRIC SY KASY CONECT KARYNGY YE TO AP NY NAI BATAYA PLS IS K BARY ME BHI BATADY OR AGER LIGHT CHALI GAYE GI TO YE KITNI DAR TAK ON RAHY GA .

  • Comment Link Saturday, 07 January 2012 13:19 posted by Muhammad Ishtiaq

    i want to make a 12 volt UPS just for my internet device to stay online when electricity fails.

    is there any solution for that ?

  • Comment Link Saturday, 31 December 2011 07:29 posted by Uzair Mahmood Mughal

    AA. sir ap key website bohat achee lage.sir mujay generator aur ups kay maintenance kay baray mein urdu vedios kay zrorat hay. thanks.

  • Comment Link Saturday, 31 December 2011 06:10 posted by nadeem butt

    sir
    ap ny jo inverter bnaya hy is sy aagy ap bta rhy thy k ap is me mzeed transsiter lga kr pory ghr ki bijli chlany wala ups bna skty hn plz ap mujy is ki dayagram bna k meil kr den.

  • Comment Link ABDUL Wednesday, 28 December 2011 04:17 posted by ABDUL

    Discussions about Pakistan Science Club's Power Inverters 12 VDC to 220 VAC UPS, you can find problems, troubleshooting and construction help Please logon...
    http://paksc.org/pk/forum.html

  • Comment Link ABDUL Wednesday, 28 December 2011 04:15 posted by ABDUL

    @Tahir Hussain ... yes you can use two dynamo in the Series Circuit

  • Comment Link ABDUL Wednesday, 28 December 2011 04:12 posted by ABDUL

    @Abdullah Zubair app ka shukria..
    secondary winding par just 5,5 turns aur 3 terminals nikalny hun gy..

  • Comment Link ABDUL Wednesday, 28 December 2011 04:10 posted by ABDUL

    @atiq,
    we will make that type of project in soon..
    and some devices are also available in market

  • Comment Link ABDUL Wednesday, 28 December 2011 04:07 posted by ABDUL

    By Wednesday, 21 December 2011 06:27 posted by Abdullah Zubair

    sab se pehle ap sab ka boht shukria k apne itna super project public se shair kia sir mujhe 500 watt ka inverter bana na ha to please aap mujhe is k lea circuit diagram send kar de ho sake tu practicali bata de .mujhe email kar de .Thanks
    -----------------------------------------------------------------
    Dear Abdullah zubair thanks k aap ko hamara yeh project pasand aea. app isi diagram se 500 what ka inverter banaa sakty ho is k ley app ko zaida transistors istamal karny hun gy aur 500 watt transformer use karna ho ga
    Thanks

  • Comment Link Tuesday, 27 December 2011 10:15 posted by Tahir Hussain

    Sir, can i use 2 cycle dinemos to generate 12 volts to give to transformer so the energy savour can light. moreover, can i use 1 cycle dinemo of 6 volt with use of 6+6 transformer for only one energy savour. please reply me.

  • Comment Link Wednesday, 21 December 2011 11:41 posted by Abdullah Zubair

    Assalam-O-Alaikum.
    aap ka project boht acha ha keep it up.
    aap ne jo transfarmer ke winding ke ha is ko thora detail m sam jae ga k secondry winding par ketne terminal nikal ne ha

  • Comment Link Wednesday, 21 December 2011 07:08 posted by atiq

    sir i want to know that in our city some time the voltage become very high 300 voltage our energy saver burn my computer power supply also burn 2 time bz of high voltage. is there any device or breaker which can control voltage to 220.i want to if some time voltage become high to 300 the the device strip or gave only 220 voltage to pc other any other devices

  • Comment Link ABDUL Thursday, 15 December 2011 04:21 posted by ABDUL

    @ zaiban ali yes you can use 8 amp transformer

  • Comment Link ABDUL Thursday, 15 December 2011 04:19 posted by ABDUL

    For Discussions about Pakistan Science Club's Power Inverters 12 VDC to 220 VAC UPS, you can find problems, troubleshooting and construction help

    follow that link http://paksc.org/pk/forum/34/7-homemade-50-watt-power-inverters-12-vdc-to-220-vac-ups.html

  • Comment Link Sunday, 20 November 2011 07:24 posted by narender

    can i use 2n3055 transistor

  • Comment Link Sunday, 20 November 2011 07:24 posted by narender

    can i use 2n3055 transistor

  • Comment Link Friday, 04 November 2011 12:31 posted by zaiban ali

    Can i use 8amp transformer intead of 5amp,....

  • Comment Link Friday, 04 November 2011 08:34 posted by Ali

    ASSALAM O ALEKUM !

    Sir the transformer which is available on the market is not looks like the transformer you use in the video mean there is no gap on the sides of transformer ,However the transformer has three wires on secondary and two on primary . Sir i want to know that winding is must for making inverter or not. and please tell the name of transformer mean to bye it from local shop as some of the sellers does not know the english name of the transformer. please reply ...
    Thanks

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