- Collecting of Current Without Any Sparkings
- Collecting of Voltage
- Reduce Eddy Current Loss
- Convert Ac Armature Current in to Dc

- Condition of Transformer Oil.
- Condition of Transformer.
- Condition of Bushings
- Condition of bushing stud

- Inversely Proportional to MVA Rating of Transformers
- Proportionate to MVA Rating of Transformers.
- Same
- Such That Actual Impedance of all Transformers Would be Same

- Number of Secondary Turns is Less than Primary Turns
- Secondary Power is Less Than Primary Power
- Secondary Current is Less Than Primary Current
- Number of Secondary Turns is More Than that of Primary

- Polarities of All Transformers Must be Same
- Percentage Impedance of All Transformers Must Be Same.
- Voltage Ratio of All Transformers Must be Same
- MVA Rating of All Transformers Inversely Proportional to Impedance

- Absorb Moisture of Air During Breathing
- Provide Cold Air in Transformer
- Filter the Transformer Oil
- None

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