Building an inverter

A

Arpit

Guest
What would be the easiest way to make a sine wave of about 12-13 volts
RMS, capabale of sourcing a heap of current? My knowledge of designing
circuits is extrememly limited, hence me asking such a simple
question, I'm afraid but I shouldnt have any trouble understanding a
description. I tried an inverter schematic from the internet. IT is
basically useless, innefficient, and has resulted in a wound to my
forehead and burned fingers from resistors.
ANy help would be appreciated :)
 
What would be the easiest way to make a sine wave of about 12-13 volts
RMS, capabale of sourcing a heap of current?
Click to expand...
Have a look on Trace Engineering's web site. They give a reasonable overview
of the fundamentals. I thought of making my own but when I found out what was
involved, I paid the money for a 1700W (4000W for 5 secs) sinewave inverter. I
couldn't make one for what I paid for it - and it's >90% efficient.
Alan
 
On Sun, 07 Sep 2003 10:30:02 +0000, Arpit wrote:

What would be the easiest way to make a sine wave of about 12-13 volts
RMS, capabale of sourcing a heap of current? My knowledge of designing
circuits is extrememly limited, hence me asking such a simple
question, I'm afraid but I shouldnt have any trouble understanding a
description. I tried an inverter schematic from the internet. IT is
basically useless, innefficient, and has resulted in a wound to my
forehead and burned fingers from resistors.
ANy help would be appreciated :)
Click to expand...
I wouldn't build one. It would cost lots and be bulky. You can buy a
powerful switchmode inverter for less than $150. Dick Smith have them on
special a lot. I got a 300W for $95 a few months ago.

--

Noah
Linux. The leading OS of the future.
 
On Sun, 07 Sep 2003 11:00:53 GMT, Noah <noah@susie.linux.au> wrote:

On Sun, 07 Sep 2003 10:30:02 +0000, Arpit wrote:

What would be the easiest way to make a sine wave of about 12-13 volts
RMS, capabale of sourcing a heap of current?
Click to expand...
How about an 8038 (or the modern equivalent) signal generator
chip driving a power audio amp? Just depends exactly what
you want to do.

I wouldn't build one. It would cost lots and be bulky. You can buy a
powerful switchmode inverter for less than $150. Dick Smith have them on
special a lot. I got a 300W for $95 a few months ago.
Click to expand...
The DSE inverters are not true sine wave - they are more
of a triangle.

Mike Harding
 
Wouldn't be very efficient. You'd lose a third of your power accross the class
B amp.


On Sun, 07 Sep 2003 11:00:53 GMT, Noah <noah@susie.linux.au> wrote:

On Sun, 07 Sep 2003 10:30:02 +0000, Arpit wrote:

What would be the easiest way to make a sine wave of about 12-13 volts
RMS, capabale of sourcing a heap of current?

How about an 8038 (or the modern equivalent) signal generator
chip driving a power audio amp? Just depends exactly what
you want to do.

I wouldn't build one. It would cost lots and be bulky. You can buy a
powerful switchmode inverter for less than $150. Dick Smith have them on
special a lot. I got a 300W for $95 a few months ago.

The DSE inverters are not true sine wave - they are more
of a triangle.

Mike Harding
Click to expand...
 
On Sun, 07 Sep 2003 11:00:53 GMT, Noah <noah@susie.linux.au> wrote:

On Sun, 07 Sep 2003 10:30:02 +0000, Arpit wrote:

What would be the easiest way to make a sine wave of about 12-13 volts
RMS, capabale of sourcing a heap of current? My knowledge of designing
circuits is extrememly limited, hence me asking such a simple
question, I'm afraid but I shouldnt have any trouble understanding a
description. I tried an inverter schematic from the internet. IT is
basically useless, innefficient, and has resulted in a wound to my
forehead and burned fingers from resistors.
ANy help would be appreciated :)

I wouldn't build one. It would cost lots and be bulky. You can buy a
powerful switchmode inverter for less than $150. Dick Smith have them on
special a lot. I got a 300W for $95 a few months ago.
Click to expand...
That's great as long as the O/P wants 50Hz only. Just maybe he wants
a variable frequency source. If not, use a @#@#@ transformer.
 
On Mon, 08 Sep 2003 00:34:32 GMT, budgie
<budgie@nowhere.cantech.net.au> wrote:

On Sun, 07 Sep 2003 11:00:53 GMT, Noah <noah@susie.linux.au> wrote:

On Sun, 07 Sep 2003 10:30:02 +0000, Arpit wrote:

What would be the easiest way to make a sine wave of about 12-13 volts
RMS, capabale of sourcing a heap of current? My knowledge of designing
circuits is extrememly limited, hence me asking such a simple
question, I'm afraid but I shouldnt have any trouble understanding a
description. I tried an inverter schematic from the internet. IT is
basically useless, innefficient, and has resulted in a wound to my
forehead and burned fingers from resistors.
ANy help would be appreciated :)

I wouldn't build one. It would cost lots and be bulky. You can buy a
powerful switchmode inverter for less than $150. Dick Smith have them on
special a lot. I got a 300W for $95 a few months ago.

That's great as long as the O/P wants 50Hz only. Just maybe he wants
a variable frequency source. If not, use a @#@#@ transformer.
Click to expand...
Yeah, I did want 50hz. Use a transformer? well yeah... thats the
plan.. hence the sine wave to drive it.
 
Hi Arpit,

I've seen some of your posts and eagerly awaited the next injury :)

What do you require - exactly? What is the purpose of this 12V sinewave -
what frequencies, RMS currents etc do you need.

apologies if I missed this in earlier posts
-Andrew

Whytech
MSP430 / PIC / AVR tools, SMD prototyping adaptors
Imagecraft MSP430 C compilers
http://www.whytech.com.au


"Arpit" <DONTSPAMMEF00Lneko4@dodo.com.au> wrote in message
news:902mlv0uvhoslgd639428bkn7il4u8ccqb@4ax.com...
What would be the easiest way to make a sine wave of about 12-13 volts
RMS, capabale of sourcing a heap of current? My knowledge of designing
circuits is extrememly limited, hence me asking such a simple
question, I'm afraid but I shouldnt have any trouble understanding a
description. I tried an inverter schematic from the internet. IT is
basically useless, innefficient, and has resulted in a wound to my
forehead and burned fingers from resistors.
ANy help would be appreciated :)
Click to expand...
 
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