Physics · Electrical Instruments
Choose the correct statement regarding the secondary winding of a current transformer installed in a electrical substation.
- 1The secondary winding should never be left open-circuited and must always be short-circuited when not connected to a load.✓
- 2The thickness of the secondary winding is larger than that of the primary winding.
- 3The number of secondary turns is fewer than the primary turns.
- 4The secondary current is always higher than the primary current.
Correct answer
The secondary winding should never be left open-circuited and must always be short-circuited when not connected to a load.
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