{
  "language": "en",
  "interfaceLanguage": "ar",
  "url": "https://voltformer.com/ar/news/siemens-energy-india-commissions-first-145kv-sf6-free-blue-breaker-goa",
  "slug": "siemens-energy-india-commissions-first-145kv-sf6-free-blue-breaker-goa",
  "category": "transformers-grid",
  "publishDate": "2026-09-21",
  "sourceName": "Siemens Energy India & Goa Electricity Department",
  "sourceUrl": "https://www.siemens-energy.com/in/en/home/press-releases/first-145kv-sf6-free-blue-circuit-breaker-commissioning-goa.html",
  "readingTimeMinutes": 4,
  "tags": [
    "Siemens Energy",
    "SF6-Free",
    "Blue Circuit Breaker",
    "145 kV",
    "Clean Air",
    "India",
    "Substations"
  ],
  "content": {
    "title": "Siemens Energy India Energizes First 145 kV SF6-Free \"Blue\" Circuit Breaker with Clean-Air Vacuum Technology in Goa",
    "summary": "Siemens Energy India, in collaboration with the Goa Electricity Department, has successfully energized the country’s first 145 kV SF6-free transmission circuit breaker, utilizing purified clean air insulation and vacuum interrupters.",
    "sections": [
      {
        "heading": "Zero Global Warming Gas in High-Voltage Substations",
        "paragraphs": [
          "Installed at the 220/110/33 kV Kadamba substation in Goa, the 145 kV \"Blue Circuit Breaker\" replaces conventional sulfur hexafluoride (SF6)—a potent greenhouse gas with a global warming potential 24,300 times that of CO2—with a natural gas mixture of 80% nitrogen and 20% oxygen.",
          "Arc extinguishing is handled by hermetically sealed vacuum interrupter bottles rated for 40 kA short-circuit interruption, eliminating F-gas emissions and regulatory leak monitoring requirements entirely."
        ]
      },
      {
        "heading": "Tropical Resiliency and Low Lifecycle Operating Costs",
        "paragraphs": [
          "The switchgear proved immune to tropical coastal humidity and corrosion during intensive pre-commissioning evaluations, requiring zero gas handling certifications for local utility crews.",
          "The project demonstrates that India’s ambitious grid modernization roadmap can embrace clean-air transmission assets without compromising reliability."
        ]
      }
    ]
  },
  "companies": []
}
