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What is Ps Class CT Vs 5p20 CT about?
PS class current transformers (CTs) are preferred for generator protection over standard 5P20 CTs due to their high accuracy, linear magnetization characteristics, and ability to avoid saturation during transient conditions. These features are essential for sensitive protection schemes like differential protection, restricted earth fault, and negative sequence protection, which require precise current reproduction even during faults. IEC standards specify that PS class CTs must be defined by key parameters
- Author
- Nilesh Thakre
- Language
- EN