OverviewEGC type current transformer is an outdoor, clean-air gas-insulated, inverted head-type design. The secondary winding is located in the head; the primary winding is a direct conductive rod. The design supports dynamic and thermal stability and provides reliable insulation performance for large-current systems.
Key features- Insulation: sealed clean-air gas insulation to limit leakage and reduce corrosion risk; designed for straightforward operation and maintenance.
- Mechanical: construction meets seismic requirements of ETG1020, IEEE-693 and comparable regional standards.
- Electrical: suited to large current systems with wide primary current range and stable dynamic/thermal behavior.
StandardsTechnical Specifications- Altitude: ≤1000 m (higher altitude customizable)
- Frequency: 50/60 Hz
- Secondary current: 1/5 A
- Primary current: 0.5–8000 A
- Rated voltage: 27.5–500 kV
Characteristics / Technical specifications- Type: Outdoor gas-insulated head-type current transformer (inverted structure)
- Insulation medium: clean-air gas insulation
- Secondary winding location: head of the unit
- Primary winding structure: direct conductive rod
- Performance highlights: dynamic and thermal stability; sealed and anti-corrosion design; maintainability
- Seismic compliance: ETG1020, IEEE-693 (regional compliance)
- Application range: large current systems; wide primary current range (0.5–8000 A)
- Voltage range: 27.5–500 kV
- Frequency: 50/60 Hz
- Altitude rating: standard ≤1000 m; high-altitude options available