Inverter question

**stepir** · 02-16-2006, 01:04 PM

Hi,

To use a PSU of 450W what inverter you would suggest? How much of PEAK Power and Continuos Power?

Thanks

**xs10x** · 02-16-2006, 01:16 PM

500 - 600watt Continuous power - Pure sine (recommended)
but if not, filtered modified sine will do.

**stepir** · 02-16-2006, 01:59 PM

Unfourtunately I've blownup already two inverter....

the first was a 600W continuos 1200W peak. Had some doubt it was for the overload, so I bought a 600W continuos and 650W peak and it blew today

Both had an overload protection (infact the second blew two times the fuses).

Are you sure that 600W is enough?

**stepir** · 02-17-2006, 03:40 AM

anyone?

**Cursive** · 02-17-2006, 09:38 PM

It's more than enough, but your problem is not overloads. If you're blowing fuses and inverters left and right my guess would be a short somewhere.

**tech55** · 02-19-2006, 05:48 AM

are you sure your electrical system can handle that?
if the the voltage drops, current draw goes up and will destroy inverters and blow fuses. fuses use current to function when needed not wattage so if the voltage drops and current goes up you still have the same net wattage draw but higher current which stresses the inverter switching transistors and can cause them to short. Most inverters have a low voltage protection. I would say when you have that setup running check the input voltage from turn-on and make sure it does not drop below 12. (when the car is off) If it does you have bad wiring, weak battery and if it does this while car is running then you have a bad alternator.