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Bharat Heavy Electricals has
developed the country's first
indigenous 1,200kV ultra high
voltage alternating current (UHVAC)
transformer of 333 MVA rating.
The transformer has developed,
manufactured and successfully tested
by BHEL entirely through in-house
know-how. With its successful
development and type testing as per
international standards, India joins a
select band of countries in the world
possessing this technology, a statement
by BHEL said.
The development of the 1,200kV
UHVAC transformer is the outcome
of two years of rigorous research by
the engineers of BHEL. The
technology for such leading-edge
products is specific and available with
very few manufacturers worldwide
and is zealously guarded and not
available for transfer.
BHEL had signed an MoU with Power
Grid Corporation of India for
development of this transformer which
is also the largest equipment used in a
substation. The 333 MVA, 1150/400/33
kV, single-phase, auto transformer
successfully developed by BHEL shall be
installed in India's first experimental
1200kV National Test Station at Bina,
Madhya Pradesh, being set up by PGCIL.
BHEL has also recently successfully
tested and despatched India's first
indigenously developed 500 MVA,
765kV transformer for a substation
project being set up in western India by
PGCIL. In addition, the company has
manufactured and installed a 1200kV,
180 MVA transformer to be used as a
testing transformer in its UHV Test
Laboratory at Bhopal.
BHEL has developed various products
which include power transformers,
instrument transformers and disc
insulators suitable for UHVAC systems
of 765kV and 1,200kV. BHEL is india’s
biggest transformer manufacturer with
an annual capacity 45,000 MVA The
company has set up a modern
manufacturing plant of 12,000 MVA at
Bhopal large sized EHV, HVDC and
UHVAC transformers and reactors.
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