all 3 current transformers (C.T) are burnt in a L.T Panel

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all 3 current transformers (C.T) are burnt in a L.T Panel -
what are the possible reasons

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all 3 current transformers (C.T) are burnt in a L.T Panel - what are the possible reasons..

Answer / animesh daripa

Suddenly disconnected the load from L.T side. The secondary of a current transformer is not disconnected from its load while current is flowing in the primary, as the transformer secondary willattempt to continue driving current across the effectively infinite impedance up to its core saturation voltage. This may produce a high voltage across the open secondary

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all 3 current transformers (C.T) are burnt in a L.T Panel - what are the possible reasons..

Answer / k.prakashchandra

If measuring cts,may be due to defective rotary phase
selection switch- CTs open circuited

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all 3 current transformers (C.T) are burnt in a L.T Panel - what are the possible reasons..

Answer / akash

Defective selector switch is the reason.

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all 3 current transformers (C.T) are burnt in a L.T Panel - what are the possible reasons..

Answer / guest

answerplz

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all 3 current transformers (C.T) are burnt in a L.T Panel - what are the possible reasons..

Answer / onlykk

The CT connection point of Energy meter/MDC which was connected in the system is opened.
Main cause CT points opened at any where.

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