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Power Transformers
Medium voltage power transformers:
2-63 MVA rated
power up to 36 kV
High voltage power transformers:
Up to 125
MVA rated power and 420 kV rated voltage
- with on-load or off-load tap changers
- as full double wound transformers or autotransformers
- in three phase or single phase design
Other characteristics can be modified according to customer
requirements |

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Distribution Transformers
40-1600 kVA
rated power and upto 36 kV rated voltage
1. breathing type
with radiators or corrugated walls and furnished with conservator
2. hermetic type
hermetically sealed type with corrugated walls and without
conservator
Other characteristics can be modified according to customer
requirements
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Dry Type Transformers
50-12000
kVA rated power and upto 36 kV rated voltage
- HV and LV windings casted under vacuum, laid out according
to insulation class F
- furnished with off-load tap changer
- Rated power increasing capability with additional fans
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Compact Substations
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Special Transformers
Autotansformers
Furnace transformers
Generator type transformers
Rectifier transformers
Transformers with special termination arrangements (such as
GIS connectible) are designed and manufactured according to
customers' requirements |

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Auto Transformer
250 MVA 380/158 kV |
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| Designed and programmed
by DNA |
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