Universal Power Supply
Main > Energy > Power quality
Definition/Concept
This is a combination inverter, converter, pulse-width modulation current controller, and high frequency power supply for applications from off-grid power, charge controllers, to power supplies for welders, induction furnaces, and plasma cutters.
Universal Power Supply Concept
Power Electronics Construction Set
Inverter Definition
An inverter is an electrical device that converts DC voltage from batteries to AC voltage for off-shelf electrical tools and appliances.
Problem Statement
A large range of power electronic devices is desirable within the infrastructure of resilient communities. Having an individual power supply for each is redundant and expensive. A modular UPS construction kit is desirable as an analogue to the 'industrial-strength Lego' that we have already demonstrated for heavy mechanical hardware infrastructures.
Problem Statement for a Universal Power Supply
Inverter Problem Statement
Off-shelf inverters have about a 2 year lifetime (ref), and 5-10 year lifetime for higher quality models (ref). Lifetime design inverters with plug-in replacement components are required for sustainable communities which use battery storage for electricity. The only other feasible, non-battery, non-fuel energy storage may be via heat storage coupled to thermoelectric generators.
Development Status and Needs
We need to identify a subject matter expert with experience in inverter design.