ELPROM TRAFO PDF

Elprom Trafo. Address: Kyustendil, Bulgaria, Dondukov Str. The factory was established in year under the name “Elprom Trafo” with its main activity being manufacturing of MV/LV Distribution Transformers. Elprom Trafo CH is company for Electrical Equipment in Kyustendil. Informaton about the company and its activities.

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Elprom – Trafo SN AD – SeeNews – Business intelligence for Southeast Europe

Thus a sufficient thickness of the protective coating of min. Off-load tap-changer driving mechanism 5. Oil filling venting plug We are on the market since The quality procedures, according to ISO Rating plate and diagram 4. China for transformer China transformer kva rating China transformer. Buchholz relay over kVA The off-load rrafo is situated vertically between two adjacent phases.

The LV winding is situated at the core limb and is foil cylindrical type made out of profiled section copper for the ratings including kVA and out of copper foil for ratings kVA and above. These include temperature rise test trafk lightning impulse test.

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Elprom trafo

This is our path through the years — a path of tradition and continuous renewal. Thus it remains stable during transportation. The voltage is regulated at the HV side by means of an off-load tap-changer when the transformer is de-energized.

For each rated power we offer different series, depending on the no-load and load losses. High quality of the welding seams is guaranteed by tests with penetrating agents in a special test field and by testing with over pressure of 40 kPa.

Nowadays we have control laboratories for incoming, current and outgoing control of the materials, used in the production, as well as testing laboratory for routine and type testing of the transformers.

We have a developed and introduced automated system for management of the purchase orders, management system for the technical documentations and management system of the material base of the plant.

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At the bottom the walls are welded to the tank bottom. Lifting lugs on tank cover The transport carriage with wheels is fitted to the tank bottom allowing bi-directional movement of the transformer.

The outer surfaces are coated by several layers of anti corrosion primer and finished by high quality alkyd enamel. The combinations of LV foil winding and multi layer HV winding results in a significant reduction of the axial electrodynamics trao at short circuit for the high ratings. China dry transformer kva China transformer w China transformer kva leprom. We can now shorten the production period to a maximum and this way — spare your time. The fitting elements bolts, nuts, washers etc.

Policy – ELPROM TRAFO

They have an insulation of cable paper or enamel resistant to hot transformer oil. Contemporary lines for automatic corrugation and plasma welding produce the tank walls. The active part is lifted along with the cover by the lifting eyes situated on it.

The optimal design of the windings and employment of most contemporary technology, the optimal selected cooling ducts, properly dimensioned insulation, effective tightening in radial and axial direction result in a high electrical, thermal and dynamic withstand capability according to the requirements of IEC.

We have special design and technological departments, thereby the production cycle becomes fully closed — from the design of the transformer to its assembly, in accordance with the requirements of the end customer and every related national and international standard. Welding is done in protective atmosphere Ar-CO2.

Type tests are performed on each transformer type. Contemporary automated lines cut the steel sheets delivered in rolls longitudinally and transversally. Using the scroll is also considered to be a consent!

Axial bolts do the axial tightening of the windings. Special epoxy resin bushing and plug-in cable elprpm at the HV side Elastimold system optional.

Elprom-trafo SN AD

The inner parts of the core and coil assembly are coated by an oil resistant enamel. You, our customers know well that without solid foundation and clear goals there is no development, and we have both.

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The windings are of cylindrical type situated concentrically on the core limbs. Oil-draining and sampling valve DIN 9. Not exactly what you want?

The neutral terminal of the LV winding for tdafo the transformers is brought out elprrom the transformer cover through a separate bushing that is designed for the full rated current and is insulated for the highest voltage of eelprom LV system. The leads from the HV winding are insulated with thick insulation paper layer and insulation tubes and press board.

The HV winding is a multi-layer one for the lower ratings and two- or four-section multi-layer, block-coils or continuously wound disk winding for the higher ratings.

One decade later the plant achieves significant development, it is renewed technologically, expands and the production range is extended. Dial type – thermometer with alarm contacts over kVA. Dehydrating breather for TM series Each coat is dried up in electric ovens. We also have another advantage — the especially for us designed software flprom optimal design of transformers. The thickness of the elpromm is increased depending on the operational climatic conditions.

Conservator for TM series TANK The standard type of the transformer tanks is rectangular a welded structure with corrugated walls made out of cold rolled steel sheets with low carbon content. Upon request the tank and cover are hot-dip zinc galvanized. In the upper part the walls are welded to a flange frame to which the tank cover is bolted. These are performed upon special request of the customer.