Wednesday, November 25, 2009

roles: Justin and Matt: electrical system

Electrical system overview:

the main focus of the electrical system is to run the refrigerator efficiently as possible while making it simple to diagnose problems with the system. the system can be reduced to a series of inputs and outputs that will be listed below.

inputs: 1. power coming from solar panel
2. charge of battery
3. pressures in high and low side of refrigeration system
4. temperature inside chiller system
5. temperature inside refrigerator
6. on/off switch
7. refrigeration cycle switch

outputs: 1. chiller water pump
2. compressor speed
3. solenoid to control refrigeration cycle (immersion chiller or refrigerator)
4. charge to battery or secondary power sink
5. LED display safety system
6. mixing fan

More may be in the works than listed but this should be a basic outline of what needs to be included into the algorithms. Feel free to make amendments by posting comments.

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