Specialised Expertise in Gas-Insulated Substation (GIS) Systems
GIS INSTALLATION & COMMISSIONING
Switch Energy Solutions (SES) delivers complete GIS Installation & Commissioning services for utilities, industries, and EPC contractors. Our engineers bring extensive OEM and field experience, ensuring precision assembly, safe energization, and long-term reliability of GIS systems across all voltage levels. GIS installations demand accuracy, cleanliness, and strict adherence to procedures — SES ensures every stage is executed to the highest standards.
GIS Assembly & Mechanical Installation
We follow OEM-approved procedures to ensure flawless mechanical integrity.
- Bay-wise GIS assembly
- Module alignment & torqueing
- Busbar installation
- Compartment sealing
- Earthing system installation
- Support structure erection
We follow OEM-approved procedures to ensure flawless mechanical integrity.
SF₆ Gas Handling & Filling
Performed using certified gas handling equipment and trained specialists.
- Vacuum evacuation
- Controlled SF₆ filling
- Dew point measurement
- Gas quality testing
- Leak detection & rectification
Performed using certified gas handling equipment and trained specialists.
Primary & Secondary Testing
Comprehensive testing to verify GIS performance:
- Contact resistance
- Insulation resistance
- High-voltage testing
- CT/VT testing
- Functional & interlock checks
- Busbar continuity tests
Final Energization Support
Safe dynamic energization field procedures:
- Pre-energization safety checks
- Clearance & permit validation
- Live energization support
- Post-energization monitoring
- As-built documentation