Hermetically Sealed Transformer

Listing ID #2220393

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Hermetically sealed transformer is a transformer design which has no conservator. Here the dielectric insulating fluid in the transformer tank is completely sealed and is in zero contact to the....

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Product Details

Hermetically sealed transformer is a transformer design which has no conservator. Here the dielectric insulating fluid in the transformer tank is completely sealed and is in zero contact to the atmosphere. The design avoids air in the transformer tank thereby avoiding sludging and oxidation of the dielectric fluid.
Hermetically sealed transformers are totally maintenance free and are particularly suited for use in exposed outdoor environments such as moisture, salt or dust laden atmospheres. They are used extensively in chemical plants, oil and gas terminals where poor accessibility makes regular maintenance impracticable. Transformers immersed in synthetic coolants are suitable for use indoors with adequate ventilation or near to the load center where oil would not be considered environmentally acceptable.
Normally these type of transformers are accommodated by devices that measure heat related volume variations. Gas cushion is used to compensate the volume variation due to heat. Normally the gas is nitrogen. This gas is thermally uncoupled from the dielectric liquid.

Company Details

Urja techniques (india) pvt. Limited.is a prominent transformer manufacturing company. It is system & product certified & possesses “iso 9001:2008, 14001:2004, ohsas: 18001” urja is a part of the dun & bradstreet global database and has been assigned by d & b d-u-n-s® number: 85-836-33, the highest credit rating: se2a3 urja's transformers follows mainly indian, british and iec specifications. They are inspected by internationally reputed third-party inspection agencies like bureau veritas, dnv, fichtner, lloyds register, societe generale de surveillance (sgs) & rw-tuv, rites. Urja transformers are "type tested" by eminent research and technical organizations in india e.g. Erda & cpri. Urja’s few world class customers are mncs like abb, areva, larsen & toubro, siemens and also bharat heavy electricals ltd. & oil and natural gas corporation ltd., tata & reliance
also indian government bodies, indian defence & railways, airport authority of india and air india, jawaharlal nehru port trust, state trading corporation ltd., all india radio & indian television, national (rashtriya) chemical & fertilizers ltd.
Most of indian state electricity utilities product description & manufacturing range:
transformer type applications / load condition range voltage cooling power station & multi-winding to suit specific needs & l.t.transformers for
generating stations. Upto20 mva
3 phase upto 33kv onan / onaf/ ofaf / ofwf
distribution industrial, substation &
distribution transformers upto 10 mva upto 33kv onan
furnace arc and induction furnace transformers upto 20 mva upto 33kv onan / ofwf
rectifier six or twelve pulse with ipt
(double bridge construction) upto 100 ka
dc upto 33kv onan / ofwf
reactor air cored series & shunt reactor upto 10 mva upto 33kv onan / an
earthing neutral earthing of hv windings upto 10 mva upto 33kv onan
converter duty step up transformers from generator to line voltage upto 20 mva upto 33kv onan
dry type (vpi) industrial, substation &
distribution transformers upto 5 mva upto 33kv an
availability of the products: delivery within 6 to 8 weeks
urja -
• merchant exporter of all electrical material used in ht & lt systems.
• specialized in quality products & timely supply at best rates.
achievements:
national award -2008 special recognition as outstanding entrepreneurship- sme sector
maharashtra (state) chamber of commerce award - 2009 excellent achievement as manufacturer