{"id":2213,"date":"2026-07-28T03:05:23","date_gmt":"2026-07-28T03:05:23","guid":{"rendered":"https:\/\/ovartech.com\/?p=2213"},"modified":"2026-07-28T03:05:23","modified_gmt":"2026-07-28T03:05:23","slug":"unidirectional-vs-bidirectional-obc-hardware-architecture-understanding-the-underlying-logic-of-v2g","status":"publish","type":"post","link":"https:\/\/ovartech.com\/ko\/unidirectional-vs-bidirectional-obc-hardware-architecture-understanding-the-underlying-logic-of-v2g\/","title":{"rendered":"Unidirectional vs Bidirectional OBC Hardware Architecture: Understanding the Underlying Logic of V2G"},"content":{"rendered":"

Unidirectional vs Bidirectional OBC Hardware Architecture: Understanding the Underlying Logic of V2G<\/span><\/strong><\/span><\/h1>\n

Unidirectional On-Board Chargers (OBCs) convert AC grid power into DC for battery charging only, while bidirectional OBCs support power flow in both directions, enabling Vehicle-to-Grid (V2G), Vehicle-to-Load (V2L), and Vehicle-to-Home (V2H) applications.<\/strong> The core hardware differences lie in power topology, semiconductor selection, isolation design, and control systems. Bidirectional OBCs form the foundational power electronics layer that makes V2G possible by allowing controlled reverse power flow from the vehicle battery back to the grid or external loads.<\/span><\/p>\n\n\n\n
\"Bidirectional<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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1. Unidirectional OBC Hardware Structure<\/span><\/strong><\/p>\n