{"schemaVersion":1,"slug":"power-converter","name":"Power converter / inverter","kind":"symbol","abbreviation":"PCS","aliases":["inverter","power conversion system","AC DC converter","battery inverter","PV inverter"],"category":"microgrid-systems","drawingTypes":["SLD","Schematic"],"referenceFamilies":["IEC","IEEE / ANSI"],"summary":"An identified interface converting electrical power between documented circuit forms.","description":["A power converter changes electrical power between the circuit forms specified for its application. In a battery energy storage system, a power conversion system commonly provides the interface between DC storage and an AC system. Direction of power flow and operating capabilities are product-specific.","The drawing should label the AC and DC interfaces and identify switching, protection and controls separately. A generic converter box does not establish grid-forming, grid-following, island operation or export capability. Those behaviours require the selected product and system documentation."],"readingNotes":["Read the AC/DC interface labels before following power flow.","Identify the selected operating capabilities from the product and system documentation."],"drawingChecklist":["Identify AC and DC interfaces.","Reference the selected converter and control equipment.","Cross-reference isolation and protective devices."],"distinction":"Inverter, converter and PCS can denote different equipment boundaries. Define what is included in the represented assembly.","facts":[{"label":"Interfaces","value":"Application-specific AC and DC connections"},{"label":"Power-flow direction","value":"Product-specific"},{"label":"Operating capabilities","value":"Not established by the generic graphic"}],"references":[{"sourceId":"energy-storage","relevance":"Manufacturer explanation of the DC-storage to AC power-conversion interface."}],"related":["battery","pcs-cabinet","battery-cabinet","circuit-breaker"],"artwork":"converter","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/power-converter","illustration":{"url":"https://eloragrid.ai/library/illustrations/power-converter.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"energy-storage","title":"Battery energy storage and power conversion","publisher":"Eaton","url":"https://www.eaton.com/sg/en-us/products/energy-storage.html","type":"manufacturer","scope":"Explains battery storage and the power-conversion interface. Product-specific installation requirements remain with the manufacturer.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Manufacturer explanation of the DC-storage to AC power-conversion interface."}]}