32 volt boater
Solar Enthusiast
- Joined
- Aug 7, 2022
- Messages
- 427
And yes its kind of annoying that the abbreviation for air condition and alternating current are both "AC".
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There are 12 vdc air conditioner units designed for RV's and big rog trucks. They're not cheap but it goes to show that direct dc air conditioning is being done.
My son installed one in a sprinter conversion recently. He showed me how it worked. When first turned it slowly ramped up to speed but then seemed to blow nice and cold.
Popped up on Youtube searching high voltage BLDC motor controllerSo there's really no possibility to do any kind of direct supply of low voltage to run it.
Getting a motor to turn at lower voltage is very different to running it with the required speed and torque to fulfil its purpose. Running an air conditioner compressor at a tenth of the normal voltage probably wouldn't be enough to overcome the initial physical resistance to start it. If it did run, you wouldn't achieve enough suction and pressure to move a meaningful amount of heat.Popped up on Youtube searching high voltage BLDC motor controller