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Current Transformer The CTH are paper-oil insulated current transformers. They are a vital link in the power delivery chain linking transmission and distribution networks.
Main Characteristics
- Un: 72.5 to 765 kV
- In: up to 5000 A
- In short-circuit: up to 80 kA1”(Isc dyn: 200 - kA peak)
- Secondary cores: up to 9
- Oil expansion by stainless steel bellows
- Oil level indicator
- Compliance with IEC, ANSI/IEEE or equivalent standards
- Porcelain or composite insulator
Key Benefits
- Special accuracy classes for protection: TPS, TPX, TPY, PR
- Experience in highly active seismic regions
- Expertise in 800 kV
- Stable accuracy over its life time
- Maintenance free
- Design verified by extensive field experience
- Reinforced security design
- Metering - Protection
- Top core design
- High quality paper-oil insulation
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