EN
High-Voltage GIS Switchgear
High-Voltage GIS Switchgear is configured to the purchaser's network, load and site requirements. The typical range below is for product-page reference; final guaranteed values are confirmed in the approved technical schedule.
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RATED VOLTAGE |
RATED CAPACITY |
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STANDARDS BASIS |
TYPICAL APPLICATION |
- Overview
- Recommended Products
- Line, transformer, bus-coupler and metering bays.
- local control cabinet.
- protection, monitoring and SCADA interfaces.
- Single-line diagram, rated voltage/current and frequency.
- Short-circuit level, bus arrangement and feeder schedule.
- Protection relay, metering, interlocking and communication requirements.
- Internal-arc/IP requirement, cable interface, auxiliary supply and standard.
- Line, transformer, bus-coupler and metering bays.
- local control cabinet.
- protection, monitoring and SCADA interfaces.
- Utility transmission and distribution substations.
- Industrial and infrastructure power systems.
- Renewable-energy and commercial distribution.
Appurtenance
Inquiry
Please provide the following information so the product selection and quotation can be prepared accurately:
Overview
General Product Overview
High-voltage GIS provides compact, enclosed switching bays for transmission-level substations. Bay arrangement, rated current, short-circuit duty, insulation level, gas compartments, protection and control interfaces are confirmed from the single-line diagram and utility requirements.
Main Technical Specifications
Parameter |
Typical range / configuration basis |
Rated voltage |
72.5-252 kV |
Rated capacity |
Bus current and fault rating are project-specific |
Frequency |
50 Hz or 60 Hz; utility-specific where applicable |
Standards basis |
IEC 62271 series |
Rated current |
Selected from the approved load schedule and bus arrangement |
Short-circuit duty |
Confirmed from the system fault study |
Protection |
Relay, metering, interlocking and trip logic by single-line diagram |
Communication |
Hardwired or digital interfaces to the project SCADA/BMS |
Protection and Control Configuration
The equipment lineup is built from the single-line diagram, fault study and feeder schedule. Breaker ratings, busbar system, protection logic, metering, interlocks, cable compartments and communication interfaces are confirmed in the approved drawings.
Main Applications
Transmission substations, renewable-energy grid connection and space-constrained sites.
Engineering Support
Apex supports requirement review, product selection, drawing and interface coordination, manufacturing follow-up, inspection/test-document coordination, export packing and delivery planning. The final scope is defined in the quotation and approved technical agreement.
Recommended Products
KYN28 Metal-Clad MV Switchgear | Medium-Voltage Ring Main Unit | GCS Withdrawable LV Switchgear
