{
  "$schema": "https://ps-wiki.github.io/schema/v1/term.schema.json",
  "id": "frequency-response",
  "title": "Frequency Response",
  "description": "The ability of a system to react to a change in system frequency.",
  "language": "en",
  "tags": [
    "frequency-control",
    "nerc"
  ],
  "related": [
    "primary-control"
  ],
  "breaking": false,
  "dates": {
    "created": "2025-03-15",
    "last_modified": "2025-06-22"
  },
  "authors": [
    {
      "name": "Jinning Wang",
      "url": "https://jinningwang.github.io"
    }
  ],
  "content": {
    "sections": [
      {
        "order": 1,
        "id": "definition-by-nerc",
        "title": "Definition by NERC",
        "type": "definition",
        "source_keys": [
          "nerc2024glossary"
        ],
        "page": null,
        "body_md": "> (Equipment) The ability of a system or elements of the system to react or respond to a change in system frequency.\n\n> (System) The sum of the change in demand, plus the change in generation, divided by the change in frequency, expressed in megawatts per 0.1 Hertz **(MW/0.1 Hz)**.\n"
      }
    ]
  }
}