CONVENTIONAL GAS CURRENT TRANSFORMER
A Legacy of Durability
A legacy
of durability
CONVENTIONAL GAS CURRENT TRANSFORMER
800 kV / 6000 A
Current Transformers utilizing conventional gas insulation provide accurate and reliable current transformation, measurement, with the proven Trench design and highest reliability.
CHARACTERISTICS
- For Voltage levels up to 800 kV
- Rated primary current up to 6000 A
- Fully type-tested by international standards
GENERAL
- Explosion-proof design in accordance with IEC 61869-1 Class II
- verified in tests, Conventional Gas does not cause or spread fire under any circumstances
- No aging of the insulation Conventional Gas
Explosion-proof design using a rupture disc
Bar-type primary conductor allows higher short-circuit currents and prevents a large voltage drop across the primary winding
Cores/windings are located at the top of the current transformer [head type]
The outer part is made of aluminum or another corrosion-resistant material, e.g., stainless steel.
The outer part is made of aluminum or another corrosion-resistant material, e.g., stainless steel.
MAIN FEATURES
Modular, durable and maintenance - free design -
proven for decades
Design
The explosion proof design of the Trench Conventional Gas CTs is based on the use of compressible Conventional Gas as insulation medium and the built-in rupture disc.
Seismic
Excellent seismic performance as a consequence of the optimized design of flanges, composite insulator, and their interconnection.
High current
The bar-type primary conductor is designed for high service short-circuit current and prevents high voltage drops in the primary winding.
High Voltage insulation
Superior control of internal and external insulation stress, due to the use of a proprietary system of finely graded bushings.
Accuracy
Precise transformation at rated current and high current levels is ensured by uniformly arranged secondary windings.
Modular design
Modular design eliminates the need for a wide range of components.
Maintenance
Maintenance-free and therefore cost- and time-saving over a service life of more than 30 years.
PRODUCT APPLICATIONS
Inside the Trench
CONVENTIONAL GAS CT
Main components of
the Conventional Gas Current transformer
Conventional Gas insulated current transformers convert high transmission line currents of up to 6000 A into standardized low values that are easy to measure. The reliability and safety based on 50 years of innovation in Conventional Gas equipment.
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