GE has developed a range of digital instrument transformer solutions enabling full IEC 61850 implementation and contributing to transmission architectures for the smart grid networks of today and tomorrow. The innovative COSI (COmpact Sensor Intelligence) range of digital instrument transformers is designed to be accurate, intelligent, safe, cost-effective – and very importantly – core-less.
The COSI product range serves both AC (up to 1200kV) and DC (up to 800kV) transmission systems as well as high current DC applications such as aluminum electrolysis companies. COSI sets the benchmark in transmission network architectures and counts on numerous references with major utilities around the world.
GE’s COSI products provide increased safety, intelligence, flexibility, availability and global savings through a variety of advanced characteristics:
• Key technological features
• Wide dynamic range (1 A to 5000 A)
• Provide direct digital output for metering applications
• Greater flexibility (bus mounting, horizontal or direct assembly on the circuit breakers)
• Fully self-diagnostic, flexibility through Software configurability
Key features:
• Simplified and reduced cabling
• Standard optical fiber
• Compact solution and lightweight
• Smaller substation footprint
• Near zero maintenance
• Reduced inventories
Type : instrument
Configuration : dry
Other characteristics : AC, compact, high-current
Primary current : Min.:
Secondary voltage : Min.:
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