hello guys, I want to ask about a diy inverter.

is there any way to create a 12v to 1000v 1/2 amps 50/100 Hz inverter or something similar?
I need to connect this to a car battery and power some things, I know the answer is not very easy but if someone can help me I will be very grateful

 

A 1.0 KV 500 mA DIY inverter will not be an easy task. This gets even more complex with the 50 to 100 Hz frequency requirement. If I were you I would not attempt this DIY. I would likely look for a 12 VDC to 120 or 220 VAC TSW (True Sine Wave) inverter and use that first stage to drive a second stage variable frequency 1.0 KV inverter allowing for variable frequency and that will not be easy to find. Driving a 120 or 220 VAC fixed frequency transformer to 1.0 KV at 500 mA is an obstacle in itself at fixed frequency.

Ron

 

ok I understand, but It can be also 400v, 500v, 600v etc. The only frequency must be 50Hz to 100Hz or similar.
The current must be proportional to the voltage, if the voltage drops, the current increases.
Sorry for my bad english ahahaha.

thank you for the reply Ron

I said 1 or 2 amps not one half ahhaahah

 

Uh Oh, 1 to 2 Amps at 1.0 KV will not be easy as now you are looking at a 2.0 KW supply at variable frequency. Maybe someone else here has some thoughts as I really don't. Without even doing inefficiencies 2 Amps at 1000 volts is 2,000 watts which when we get to the 12 VDC battery side is 2,000 / 12 = 167 Amps. The cables alone should be rated at 250 Amp service and the battery will need to be very, very large.

Ron

 

not a variable frequency, just one. The battery is not a problem
and the inverter could be also 500v.

 

not a variable frequency, just one. The battery is not a problem
and the inverter could be also 500v.

It would help greatly if you could articulate a stable set of requirements. I guess it really doesn't matter since the possibility of a DIY project that is safe and works looks like it is rapidly approaching a very low order of probability.

 

Input Voltage: 12 VDC
Input Current: 5-100 Amps
Output Voltage: 1000 V Max, 500 min
Output Power: 600 watt, 1500 watt max
Output Frequency: (5-100) Hz not variable
Output Current: max 2 A

 

how can you get 1500W output from 1200W input. that would require over unity efficiency...

 

how can you get 1500W output from 1200W input. that would require over unity efficiency...

I rest my case.

 

Yep, this entire idea is full of holes. It is ridiculous to use such low frequency for converter that is supposed to charge something in a car (a battery). And since batteries are DC, a DC/DC converter would be needed (and frequency can be chosen for best efficiency for given circuit). If AC is needed, just use transformer and power it from outlet. The largest common use 12V battery is a car battery and it can sustain required current only for few seconds - to start the car.

Sounds like charging car battery from 1.5V battery.