what happened to CT(currentTransformer) secondary open condition #current transformer #viral #short

What happened if CT secondary is open?
Very high voltage develops on the secondary side.
⚠️ CT may overheat and insulation can damage.
⚠️ It can give electric shock danger.
⚠️ Meter and relay may burn.
⚠️ CT core becomes highly saturated.
👉 That’s why CT secondary should never be kept open during operation. It must be shorted properly before disconnecting meters or relays.
Topics covered: ✔ CT secondary open condition
✔ Why high voltage develops
✔ CT saturation
✔ Safety precautions in substation
✔ Protection relay basics
📌 Useful for electrical students, electricians, substation operators, and engineers.
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