{
  "$schema": "https://ps-wiki.github.io/schema/v1/term.schema.json",
  "id": "virtual-synchronous-machine",
  "title": "Virtual Synchronous Machine",
  "description": "VSM. Equipment that includes a DC/AC converter controlled to mimic a conventional synchronous machine.",
  "language": "en",
  "tags": [
    "ieee",
    "ieee-standard",
    "generation"
  ],
  "related": [],
  "breaking": false,
  "dates": {
    "created": "2025-03-15",
    "last_modified": "2025-06-20"
  },
  "authors": [
    {
      "name": "Jinning Wang",
      "url": "https://jinningwang.github.io"
    }
  ],
  "content": {
    "sections": [
      {
        "order": 1,
        "id": "definition-in-an-ieee-standard",
        "title": "Definition in an IEEE Standard",
        "type": "definition",
        "source_keys": [
          "ieee2025std2988"
        ],
        "page": null,
        "body_md": "> A virtual synchronous machine is a piece of equipment that includes a DC/AC power electronic converter (PEC) controlled to mimic and, in some cases, to surpass the dynamics and behavior of a conventional [synchronous machine (SM)](/wiki/synchronous-machine) through the inherent [synchronization mechanism](/wiki/synchronization) of SM.\n\n> virtual damping: The damping effect that is implemented through a control function.\n\n> virtual impedance: The impedance that is implemented through a control function.\n\n> virtual inertia: The inertia that is implemented through a control function to emulate the physical inertia of an SM\n"
      }
    ]
  }
}