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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Axial bolts do the axial tightening of the windings.

Elprom trafo

Thus a sufficient thickness of the protective coating of min. China dry transformer kva China transformer w China transformer kva toroid.

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.

We can now shorten the production period to a maximum and this way — spare your time. China for transformer Elpdom transformer kva rating China transformer.

Elprom-trafo Sn Ad, Ul. Dondukov 63 , CO. REGISTRATION NO

Upon request the tank and cover are hot-dip zinc galvanized. Special epoxy resin bushing and plug-in cable connector at the HV side Elastimold system optional. You, our customers know well that without solid foundation and clear goals there is no development, and we have both. The fitting elements bolts, nuts, washers etc. The neutral terminal of the LV winding for all the transformers is brought out on the transformer cover through a separate bushing that is designed for the full rated current and is insulated for the highest voltage of the LV system.

They have an insulation of cable paper or enamel resistant to hot transformer oil. The inner parts of the core and coil assembly are coated by an oil resistant enamel. Type tests are elproom on each transformer type. The LV winding is situated at the core limb and is foil trato type made out of profiled section copper for the ratings including kVA and out of copper foil for ratings kVA and above.

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These include temperature rise test and lightning impulse test. Not exactly what you want? These are performed upon special request of the customer.

Elprom-trafo SN AD

Contemporary automated lines cut the steel sheets delivered in rolls longitudinally and transversally. Buchholz relay over kVA The leads from the HV winding are insulated with thick insulation paper layer and elpprom tubes and press board.

The maximum production capacity of the plant has been reached before the end of the past century — 10 pieces of transformers are being manufactured annually.

The thickness of the coating is increased depending on the operational ttrafo conditions.

The transport carriage with wheels is fitted to the tank bottom allowing bi-directional movement of the transformer. Each coat is dried up in electric ovens. Our production is maximally extended — we manufacture the full range of oil immersed distribution transformers with rated power from 25kVA up to 10 kVA. The outer surfaces are coated by several layers of anti corrosion primer and finished by high quality alkyd enamel.

We are on the market since For each rated power we offer different series, depending on the no-load and load losses. The combinations of LV foil winding and multi layer HV winding results in a significant reduction of the axial electrodynamics forces at short circuit for the high ratings. 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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Off-load tap-changer driving mechanism 5. 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. The quality procedures, according to ISO The active part is fixed to the tank cover and is supported by the tank bottom.

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. For more than 10 years now the plant has an established and certified quality management system acc.

Rating plate and diagram 4. At the bottom the walls are welded to the tank bottom. Dehydrating breather for TM series 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. This is our path through the years — a path of tradition and continuous renewal.

We also have another advantage — the especially for us designed software for optimal design of transformers. Thus it remains stable during transportation. 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. Dial type – thermometer with alarm contacts over grafo.

The active part is lifted along with the cover by el;rom lifting eyes situated on it.