{
  "$schema": "https://ps-wiki.github.io/schema/v1/term.schema.json",
  "id": "frequency-stability",
  "title": "Frequency Stability",
  "description": "The ability of a power system to maintain steady frequency following a severe system upset.",
  "language": "en",
  "tags": [
    "stability",
    "ieee",
    "ieee-task-force",
    "article",
    "european-union",
    "europe",
    "China"
  ],
  "related": [
    "stability",
    "fast-frequency-response",
    "primary-control",
    "secondary-control",
    "tertiary-control",
    "frequency-regulation",
    "automatic-generation-control",
    "n-situation"
  ],
  "breaking": false,
  "dates": {
    "created": "2025-03-15",
    "last_modified": "2026-01-18"
  },
  "authors": [
    {
      "name": "Jinning Wang",
      "url": "https://jinningwang.github.io"
    }
  ],
  "content": {
    "sections": [
      {
        "order": 1,
        "id": "definition-in-an-article-by-a-task-force",
        "title": "Definition in an Article by a Task Force",
        "type": "definition",
        "source_keys": [
          "kundur2004stability"
        ],
        "page": null,
        "body_md": "> Frequency Stability refers to the ability of a power system to maintain steady frequency following a severe system upset resulting in a significant imbalance between generation and load.\n"
      },
      {
        "order": 2,
        "id": "definition-in-a-european-union-regulation",
        "title": "Definition in a European Union Regulation",
        "type": "definition",
        "source_keys": [
          "eu2017guideline"
        ],
        "page": "p6",
        "body_md": "> 'frequency stability' means the ability of the transmission system to maintain frequency stable in the N-situation and after being subjected to a disturbance;\n"
      },
      {
        "order": 3,
        "id": "definition-in-china-grid-operation-code",
        "title": "Definition in China grid operation code",
        "type": "definition",
        "source_keys": [
          "gbt2022"
        ],
        "page": "p8",
        "body_md": "> 频率稳定：电力系统受到扰动后，系统频率能够保持或恢复到允许的范围内，不发生频率振荡或崩溃的能力。\n\nTranslation:\n\nFrequency Stability: The ability of a power system to maintain or restore system frequency within an allowable range after being subjected to a disturbance, without the occurrence of frequency oscillation or collapse.\n"
      }
    ]
  }
}