Grid adapter systems and methods

A system comprising:

• a grid adapter between and connected to a distribution network grid and a nano-grid for decoupling the distribution network grid and the nano-grid, wherein the nano-grid is an alternating current (AC) nano-grid, the grid adapter comprising:
• an internal storage system configured to store internal-stored energy;
• a plurality of power processing units comprising a plurality of power converters arranged in a series of power conversion stages, each power processing unit configured for converting an amount of power for exchange with the nano-grid and the distribution network grid, the plurality of power processing units comprising a first power processing unit including a bidirectional converter connected between the internal storage system and the nano-grid and configured to convert the amount of power for exchange between the internal storage system and the nano-grid and the distribution network grid according to an operational instruction indicating a power flow direction, and wherein the bidirectional converter is controlled to condition a first electricity waveform of power from the nano-grid according to one or more control algorithms and a required power quality level associated with the nano-grid determined at a grid adapter controller;
• and a second power processing unit including a bidirectional converter connected between the distribution network grid and the internal storage system and configured to condition a second electrical waveform of power from the distribution network grid according to the one or more control algorithms and a required power quality level associated with the distribution network grid;
• and
• an external storage system comprising a first flow battery configured to exchange the amount of power using the plurality of power converters arranged in the series power conversion stages of the one or more power processing units including the first processing unit according to the operational instruction via an electrolyte swap with at least one of a second flow battery of a storage vehicle or an electrolyte tank of the storage vehicle.

A system comprising:

• a grid adapter between and connected to a distributed network grid and a nano-grid for decoupling the distributed network grid and the nano-grid, wherein the nano-grid is an alternating current (AC) nano-grid, the grid adapter comprising:
• an internal storage system configured for storing an amount of internal-stored energy;
• a plurality of power processing units comprising a plurality of power converters arranged in a series of power conversion stages, each power processing unit configured for converting an amount of power associated with the nano-grid, the plurality of processing units comprising a first power processing unit including a bidirectional converter connected between the internal storage system and the nano-grid and configured to convert the amount of power for exchange between the nano-grid and the distributed network grid according to an operational instruction indicating a power flow direction, and condition a first electrical waveform of power from the nano-grid and an external storage system according to one or more control algorithms and a required power quality level associated with the nano-grid determined at a grid adapter controller;
• and
• a second power processing unit configured for converting distributed energy from the distributed network grid, the second processing unit includes a multi-level bidirectional converter connected between the distributed network grid and the internal storage system and configured to condition a second electrical waveform of the distributed energy from the distribution network grid coupled to the grid adapter according to the one or more control algorithms and a required power quality level associated with the distributed network grid determined at the grid adapter controller.