Discussion Overview
The discussion revolves around converting a mini split air conditioner from AC to DC power to be compatible with a 48-volt battery bank, which would be recharged by a hybrid solar panel and wind turbine system. Participants explore the feasibility of replacing the AC compressor motor with a 48-volt brushless permanent magnet motor and the implications for the internal circuit board.
Discussion Character
- Exploratory
- Technical explanation
- Debate/contested
- Experimental/applied
Main Points Raised
- One participant, Magnetic_mike, questions whether the existing circuit board can handle 48 volts or if modifications are necessary, and seeks advice before proceeding with the conversion.
- Another participant suggests that the feasibility of the conversion depends on the specific air conditioner model and proposes considering the opposite approach of converting 48V DC to 220V AC instead.
- There is a repeated inquiry about how many batteries would be needed to achieve 220 volts from a battery bank, emphasizing the desire for an off-grid solution.
- A participant mentions the possibility of using a DC to AC inverter, noting that while 48V input inverters may be rare, there are options for 12V and 24V input inverters that can output 220V AC, and highlights the efficiency of modern inverters.
- Concerns are raised regarding the wattage requirements of the air conditioner and the sustainability of the battery bank's power supply, suggesting that a significant solar panel array would be necessary for adequate charging.
Areas of Agreement / Disagreement
Participants express differing views on the approach to powering the air conditioner, with some advocating for the conversion to DC and others suggesting the use of an inverter. The discussion remains unresolved regarding the best method to achieve the desired outcome.
Contextual Notes
Participants have not reached consensus on the technical requirements for the circuit board or the optimal configuration for the power system. There are also unresolved questions about the specific wattage needs of the air conditioner and the capacity of the battery bank.