Inverter HIGH voltage shutdown
This is a new one to me. Simple plug-in 400W inverter my wife uses in the car to charge/run her computer. Has worked fine over the last 9 months. But just recently during the cold spell, it complai...
Forum Discussion
theoldwizard1 wrote:brulaz wrote:
Turns out the inverter doesn't like anything much over 15V and the chevy cruze's alternator can put out 15.5V when at 90% duty cycle
Get out there and measure the voltage yourself !
I have never heard of an auto alternator (with a properly operating voltage regulator) putting out over 15V.
Well, ScottG reported just that a few posts earlier. And if you look at the link in my first post, you will see :
From link in my first post wrote:
the system will set targeted generator output voltage to a charging voltage between 13.9–15.5?V, depending on the battery state of charge and estimated battery temperature.
But yes, I've been meaning to get out there with a voltmeter and today the temperatures rose to -7C (though with snow), so I shovelled out the car and driveway and drove into town.
Most of the time the V stayed between 14.8V and 15.15V and the inverter didn't complain. But for some reason, after stopping at a coffee shop, the V rose to 15.25 and the inverter shutdown.
So it's real. Perhaps the other day, when temperatures were -27C, the Vs were higher as my wife couldn't ever get the inverter to turn on.
