What are the different protection systems used to protect
the transformer internally and externally?
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Answer Posted / hassina bibi
1.Buchholz relay
2.Lightning arrester
3.Differential protecton
4.Sudden pressure relay
5.Pressure relief relay
6.Overcurrent relay
7.Overfluxing relay
8.Overvoltage protection
9.Restricted earth fault relay
10.HRC fuses (Small distributon transformer)
11.Horn gaps
12.Thermal Overload relay
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