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Uninterrupted power supply and inverter system

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Voltage Inverter

Voltage Inverter

This simple circuit is a good solution to the powering a dual supply op amp from a single battery problem. The circuit simply takes a positive voltage and inverts it. It uses only one 555 timer and a few other passive components, so it does not add much in the way of size and cost to a project.

http://www.aaroncake.net/circuits/vinvertr.asp

A simple inverter for florescent lampsA simple inverter for florescent lamps

A simple inverter for florescent lampsA simple inverter for florescent lamps

This inverter is very easy to construct, reliable, and even powerful enough to light up a 15W florescent tube if you cool your transistor well.The only hard to find piece of this baby is the so called yellow inverter transformer.

http://tacashi.tripod.com/elctrncs/inverter/inverter.htm

12V to 120V Inverter

12V to 120V Inverter

Have you ever wanted to run a TV, stereo or other appliance while on the road or camping. Well, this inverter should solve that problem. It takes 12 VDC and steps it up to 120 VAC. The wattage depends on which transistors you use for Q1 and Q2, as well as how big a transformer you use for T1. The inverter can be constructed to supply anywhere from 1 to 1000 k.w.

http://electronics-diy.com/electronic_schematic.php?id=481

12V to 120V Inverter

12V to 120V Inverter

It takes 12 VDC and steps it up to 120 VAC. The wattage depends on which tansistors you use for Q1 and Q2, as well as how "big" a transformer you use for T1. The inverter can be constructed to supply anywhere from 1 to 1000 (1 KW) watts.

http://www.aaroncake.net/circuits/inverter.asp

12VDC Fluorescent Lamp Inverter

12VDC Fluorescent Lamp Inverter

It uses a normal 120 to 6V stepdown transformer in reverse to step 12V to about 350V to drive a lamp without the need to warm the filaments.

http://www.aaroncake.net/circuits/flampdrv.htm

110VAC Inverter for Automobile

110VAC Inverter for Automobile

This circuit will allow you to operate small devices like laptop computers inside your automobile without an expensive automobile power supply.

http://www.web-ee.com/Schematics/110VAC%20Inverter%20for%20Automobile/inverter.htm

Another DC to AC inverter

Another DC to AC inverter

DC/AC invertor with center-tapless transformer.

http://www.hobby-elec.org/e_ckt30.htm

DC/AC inverter (2)

DC/AC inverter (2)

DC/AC invertor with center-tapless transformer.

http://www.hobby-elec.org/e_ckt30.htm

A 2kVA 12VDC to 120VAC inverter for power backup

A 2kVA 12VDC to 120VAC inverter for power backup

The project presented is a 2kVA power inverter designed for backup during utility failures. The inverter is affectionately called the I2K for two reasons: It has a 2kVA output capacity and some have suggested it might have been useful when Y2K hits (remember the Y2K paranoia/fiasco :) Duh.

http://www.technology.niagarac.on.ca/people/mcsele/i2k.htm

Inverter

Inverter

takes 12 VDC and steps it up to 120 VAC.

http://www.aaroncake.net/circuits/inverter.htm


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