TRAFOP - CZ, s.r.o.

The company is holder of the Quality Certificate ISO 9001 since 05/2004.
Assembly, overhaul and repairs of high-voltage transformers and low-voltage transformers:
-assembly of new machines incl. fittings
-transport of all capacity transformers
-overhaul and resealing of bushings, gas-filled relays, oil gauge conservators and thermometers
-overhaul and repair of load transfers/transfer circuit breakers
-overhaul or repair of tapping switch/ratio adjuster
-resealing of transformer tank parting plane, mounting holes and fittings
-magnetic circuit dismounting, repair of old winding or manufacturing of new winding or its exchange
-reconstruction of cooling system with water coolers to air coolers
-overhaul of electromotors, blowing, incl. wiring
-overhaul of regulating device motor-drive
-overhaul of air dryer incl. exchange of silicagel filling, assembly of double dryers, ecological filling
-resealing of valves, radiators or oil coolers
-cleaning and surface treatment of transformers
-check on axial clearance of winding, superstructures, substructures, rewedging, or retightening of winding
-reinsulation of taps, check and retightening of all screw joints
-treatment, changes and modernization of transformer accessories (thermometers, flow gauges, pumps, radiator flaps, bushings, etc.)
-electrical measurement (measurement of insulation conditions)
-we contractually provide electrical measurement (measurement of ohmic resistance of winding, measurement of transformer ratio and magnetization currents, measurement of capacity and loss factors...).
Transformer treatment of oil filling:
-treatment of oil machine load by means of the equipment 121R of the MICAFIL company - filtration, drying and degassing of insulating oil
-we offer double-skin trucks with control medium for oil handling out of ecological place
-we contractually provide insulating oil analysis.
Refilling of electrical equipment with treated insulating oil:
-we are able to refill with mobile double-skin truck filled with treated insulating oil (ITO 100, TECHNOL 2000, UNIVOLT) directly at the machine position.
Purchase, scrapping of transformers of all kinds and capacities.
Turnkey operation of new or repaired transformers:
-supply, assembly and service of monitoring device MS-500-CALISTO:
-assembly of monitoring device on the machine for immediate measurement of hydrogen content dissolved in oil and water content in oil, supplied by Morgan Schaffer company
-supply, training and service of portable gas chromatograph TFGA-P200:
-gas chromatograph enables determination of decomposition gases dissolved in oil filling of the machine directly in the terrain.