Services
All kinds of repairing and servicing of electrical rotating machines, made by all world famous companies (induction, synchronous, DC, Schrage) in all arrangements, for all purposes and r.p.m- Industry
- construction and modification of all types of stator and rotor windings in thermal classes "F" and "H" for normal, aggressive and explosive environments
- servicing electrical machines, refreshing the insulation system and impregnating the windings by resins and varnishes of thermal class "F" and "H
- repair, renovation and remodelling of electric rotating machines of the protection types "d", "e", "" p ","nA“, „tD "and fans of the protection type "c“
- repair and maintenance of traction motors and generators for locomotives and electric motor trains
- repair and rewinding of Schrage motors
- repair and rewinding of high-frequency rotary converters
- repair and rewinding of electro-magnets
- mechanical repair and rewinding of electromagnetic brakes
- manufacture of spare parts: stator and rotor windings, bars and shorting rings of cage rotors, collectors, bundles of laminations, bearing shields, shafts etc.
- reconstruction of conjunctive surfaces
- workshop and on site dynamic balancing in own bearings
- review and analysis of machines in operation including:
- low voltage impulse inter-turn insulation test against ground
- leakage current measurement
- polarization index measurement
- insulation resistance measurement
- vibration measurement using frequency analysis
- non-contact temperature measurement
- measurement of packet loss and detection of local overheating
- load parameters measurement (voltage, current, power, power factor, utility)
- laser alignment
- dimensional measurement of machine parts
- on site overhauls and repairs
- preventive maintenance
- brush holder reconditioning and repair and replacement of all critical spare parts
- transformers and chokes repairs
- pump repairs
- engineering services