Power Transformers

They are used in generation, transmission and  distribution of electrical energy in high and mid voltage.
Are used in centrals of electrical generation, transformer substations and electrical distribution companies.

General Characteristics
They are manufactured in powers from 1.25 to 100 MVA, in tensions of 13.2, 33, 66, and 132 kV. and frequencies of 50 and 60 Hz.

Manufacturing Standards and Certifications
They are manufactured and tested in compliance with IRAM 2099, IEC 60076 and ANSI C57.12.00  They are also manufactured according to any other particular specifications.

Cooling
These transformers may be cooled according to design requirements or upon customer’s request in different ways:

Oil natural / Air natural ……………………(ONAN)
Oil natural / Air forced …………………… (ONAN / ONAF)
Oil forced  / Air forced……………………(ODAF)
Oil forced  /  Water…………………………..(ODWF)

Tap Changers
Tap changer may be provided according to customer’s needs as follows:
• On / Off Load
• On-load tap-changers (OLTC)

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