Engineered for critical power transmission, our High Voltage (HV) Panels and switchgear offer superior protection and control for voltages above 36kV. Ensure grid stability and safety.
High Voltage (HV) Panel
High Voltage (HV) Panels represent the pinnacle of electrical power control and protection, designed for the most critical applications in transmission and distribution networks at voltages exceeding 36kV. These systems are fundamental to national grids, extra-large industrial plants, and major infrastructure projects. We partner with leading technology providers to engineer and supply HV solutions that ensure grid stability, operational security, and unparalleled reliability, focusing on advanced automation and safety protocols.
Core Functions of HV Switchgear
- Power Transmission Control: Manage the flow of bulk electrical power across transmission lines and between major substations.
- Critical System Protection: Utilize complex protection schemes (differential, distance, busbar protection) to safeguard expensive assets like transformers and generators from catastrophic faults.
- Network Stability: Enable features like auto-reclosing to maintain grid integrity during transient faults.
- System Monitoring & Metering: Provide high-accuracy data for energy transfer, grid management, and billing purposes.
Key Technologies and Components
- Gas-Insulated Switchgear (GIS): Compact technology where components are enclosed in a sealed environment with SF6 or SF6-free gas for insulation, ideal for space-constrained locations.
- Air-Insulated Switchgear (AIS): Traditional, robust technology where components are mounted outdoors and insulated by air, typically for larger substations.
- Circuit Breakers: High-performance SF6 or vacuum circuit breakers capable of interrupting extremely high fault currents.
- Instrument Transformers: Precision Current Transformers (CTs) and Voltage Transformers (VTs) for accurate measurement and protection.
- Control & Relay Panels: Centralized panels housing sophisticated protection relays, control switches, and monitoring equipment.
Safety and Engineering Considerations
- Full Compliance: Designed and tested according to IEC 62271 and other international standards.
- Fault Level Management: Engineered to withstand and interrupt the highest possible fault currents in the network.
- Sealed Compartment Systems: In GIS, live parts are completely enclosed, maximizing personnel safety.
- Remote Operation: Designed for unmanned operation from a centralized control room via SCADA systems.
Applications
- Electrical Power Transmission Networks
- Extra-High Voltage (EHV) Substations (110kV, 220kV, 400kV)
- Large Power Generation Plants (Thermal, Hydro, Nuclear)
- Heavy Industries with Captive Power Generation
- Major Railway Electrification Syste
