Published by on August 27, 2021
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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 CH PLC – Power, distribution, transformers

Upon request the tank and cover are hot-dip zinc galvanized. Elorom outer surfaces are coated by several layers of anti corrosion primer and finished by high quality alkyd enamel. 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. 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. We also have another advantage — the especially for us designed software for optimal design of transformers. Not exactly what you want?

The leads from the HV winding are insulated with thick insulation paper layer and insulation tubes and press board. Off-load tap-changer driving mechanism 5. The quality procedures, according to ISO Rating plate and diagram 4.


Buchholz relay over kVA These are performed upon special request of the customer. Contemporary automated lines cut the steel sheets delivered in rolls longitudinally and transversally. Welding is done in protective atmosphere Ar-CO2.

The thickness of the coating is increased depending on the operational climatic conditions. 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. Lifting lugs on tank cover You, our customers know well that without solid foundation and clear goals there is no development, and we have both.


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. Conservator for TM series The fitting elements bolts, nuts, washers etc.

Nowadays we have control laboratories for incoming, current and outgoing control of the materials, used in the production, as well as testing laboratory trato routine and type testing of the transformers. The inner parts of the core and coil assembly are coated by an oil resistant enamel. The plant introduces a good working system, organized and slprom by high quality experts.


Elprom Trafo CH PLC

China for transformer China transformer kva rating China transformer. The active part is lifted along with the cover by slprom lifting eyes situated on it. Dial type – thermometer with alarm contacts over kVA. For each rated power we offer different series, depending on the no-load and load losses. We can now shorten the production period to a maximum and this way — spare your time.

They have an insulation of cable paper or enamel resistant to hot transformer oil. At the bottom the walls are welded to the tank bottom. Axial bolts do the axial tightening of the windings.

China dry transformer kva China transformer w China transformer kva toroid. We have a developed and introduced automated system for management of the purchase orders, management system for the technical documentations and management system of elprlm material base of the plant.

We are on the market since