When current transformers (CTs) are delta-connected, the relay input current is larger by 1.73, which is equal to the square root of three (√3)!
When current transformers are wye connected instead of delta, the relay input current is equal to the ratio'd (stepped down) current transformer current without the increase of 1.73. Learn why by watching the previous video on wye connected current transformers: • Wye connected current ...
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Негізгі бет Delta connected current transformers CTs for protection and relaying (ELECTRICAL POWER PE EXAM 2022)
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