Modular Gas-Insulated Switchgear (GIS,up to 170kV )

Property Specification

Type: High-Voltage Gas-Insulated Switchgear / Modular GIS Platform (up to 170 kV)

Features: Engineered as a scalable and dependable modular solution for power grids up to 170 kV, this system handles continuous nominal currents up to 4000 A and short-circuit interruption currents up to 63 kA. It utilizes standardized, compact building-block modules to significantly minimize physical footprint while streamlining operator access and handling. The standardized enclosure architecture delivers high operational performance alongside layout flexibility, allowing engineers to optimize indoor and outdoor substation configurations efficiently.

Applications: High-voltage power transmission grids, grid interconnection for large-scale renewable generation plants, onshore substation facilities, and space-constrained offshore wind farm platform installations.

Description

Key Technical Performance Specifications

Technical Parameter / Specification 145 kV 170 kV
Rated Maximum Voltage 145 kV 170 kV
Rated System Grid Frequency 50 / 60 Hz 50 / 60 Hz
Power-Frequency Withstand Voltage (1 min) 275 kV 325 kV
Lightning Impulse Withstand Voltage (1.2/50 μs) 650 kV 750 kV
Nominal Continuous Current (Busbar / Feeder) 3150 A 4000 A
Short-Circuit Interrupting Current Rating 40 kA 63 kA
Short-Time Thermal Withstand Current (≤ 3s) 40 kA 63 kA
Peak Dynamic Withstand Current 104 kA 164 kA
Physical Bay Module Width 1000 mm 1200 mm
Operating Ambient Temperature Range -30°C to +40°C -30°C to +40°C
Deployment / Environment Indoor / Outdoor Indoor / Outdoor