References

## Diagnostic and Test Room Examinations

- MPK Zrt. Butadiene Plant - Vibration diagnostic examination of ABB motors
- ReMat Zrt. - Quarterly bearing condition and vibration diagnostic examinations
- Messer Hungarogáz Zrt. - Diagnostic examination of compressor motors
- Linde Gas Hungary Zrt. Kazincbarcika - Diagnostic examination of compressor motors
- Mátrai Power Plant Zrt. Bükkábrány Mining Plant - Thermovision examination of 6 kV, 450 kW asynchronous motor
- MPK Zrt. - Bearing condition and vibration diagnostic examination of electric motors
- MPK Zrt. - General oil examination and fault gas analysis of network transformers

## Installation of Condition Monitoring Online Systems

- Mátrai Power Plant Zrt. - Installation of FFT sensors on 60 fan motors
- ARCONIC-Köfém Kft. Press Plant - Installation of SPM bearing condition monitoring system on 24 electric motors
- ARCONIC-Köfém Kft. Foundry - Installation of 26 SPM and 10 FFT sensors
- MOL Nyrt. TIFO - Installation of SPM bearing condition monitoring system on two 6 kV motors
- MPK Zrt. Olefin Plant - Installation of SPM bearing condition monitoring system on 38 electric motors
- MPK Zrt. Polypropylene IV - Installation of a total of 35 SPM and FFT sensors
- DUNAFIN Paper Mill Zrt. - Installation and maintenance of SPM bearing condition monitoring systems

## On-site Maintenance

- Sanofi Zrt. Miskolc - Maintenance of 0.4 kV stations
- Sanofi Zrt. Miskolc - Complete renovation and laser alignment of air conditioning and ventilation equipment
- Arconic-Köfém Kft. Rolling Mill - Renovation of 5-machine motor-generator unit of cold stand 1
- MOL Nyrt. Algyő - Regenerative impregnation three of 6 kV, 1.5 MW gas compressor motors
- DAM STEEL Rt. Rolling Mill - Renovation of 23 high-power (500 kW-3.3 MW) DC electric motors
- DAM STEEL Rt. Steel Mill - On-site bearing replacement of 29 asynchronous electric motors
- Kiskunhalas Poultry Processing Zrt. - On-site bearing replacement of 450 kW SCHORCH motor

## Dynamic Balancing

- Petrolszervíz Kft. - Dynamic balancing of centrifugal pump rotors
- Holcim Zrt. Miskolc - Balancing of rotating bodies (fan Ø800 mm, 3000 rpm)
- MPK Machine Assembly Plant - Balancing of turbine rotors, pump impellers, fans
- Tiszai Machine Factory Kft. - Dynamic balancing of mixer shafts
- MKM Rt. Kistelek Cable Factory - Balancing of cable drums
- INTERSPAN Kft - Balancing of grinding drums
- MPK Zrt. - Balancing of mixer shafts, fans, electric motor rotors

## Maintenance and Repair of 0.4 kV Asynchronous Machines

- INTERSPAN Kft. - Stator-rotor coil repair of 0.4 kV, 320 kW asynchronous motor
- INTERSPAN Kft. - Modification of coil connections for two 150 HP asynchronous motors
- Mátrai Power Plant Zrt. - Splined shaft replacement for 3 excavator 0.4 kV, 57 kW head movement motors
- Messer Hungarogáz Rt. - Repair and maintenance of 0.4 kV electric motors
- MPK Zrt. LDPE - Conversion of 9 reactor mixer motors from 173 V, 50 Hz to 380 V, 50 Hz
- Framochem Kft. - Annual maintenance of 0.4 kV electric motors

## Maintenance and Repair of 6 kV Asynchronous Machines

- MŰ-GU Kft. - Complete renovation of SCHORCH 920 kW motor
- MOL Nyrt. Algyő - Rewinding of 1.6 MW gas compressor motor
- Mátrai Power Plant Zrt. Bükkábrány Mining Plant - Maintenance of 400 kW and 2 500 kW slip-ring asynchronous motors
- Messer Hungarogáz Rt. - Bearing inspection and renovation of 2.9, 2, 1.15 MW electric motors
- KSB Pump and Valve Kft. - Bearing replacement for 1 MW electric motors
- MOL Nyrt. Tiszai Refinery - Repair of pump and compressor motors (250-400 kW)
- Linde Gas Hungary Rt. - Bearing inspection and maintenance of 1.45 MW electric motor
- MPK Zrt. Olefin Plant - Rewinding of 550 kW wash water pump motor and 450 kW propylene compressor motor
- MPK Zrt. Olefin Plant - Regenerative impregnation twelve of 250 kW-2200 kW motors
- ARCONIC-Köfém Kft. Press Plant - Maintenance five of 320 kW electric motors for ZAMET 3 production line

## Repair of Explosion-proof Motors

- Petrolszolg Kft. - Manufacturing, testing, and replacement of pressure-resistant enclosure for 132 kW Siemens motor
- MOL Nyt. Algyő - Redesign and rewinding of stator coils for 31 pressure-resistant enclosure, BAO 82-6 type 0.4 kV, 40 kW motors
- MOL Nyrt. TIFO - Stator winding of BAO 82-2 and 82-6 type motors
- MPK Zrt. - Repair of pressure-resistant, pressurized, and increased safety electric motors up to 2.2 MW

## Repair of DC, Synchronous, and Special Machines

- VIBA S.p.A Italy - Insulation renovation of 3 260 kW DC electric motors
- MPK Zrt. Polyethylene Plant - Rotor rewinding of extruder DC motor (900 V, 1250 kW)
- MPK Zrt. Energy Supply - Slip ring adjustment of 2 6 kV, 3.5 MVA turbogenerators
- Tiszavíz Hydroelectric Power Plant Kft. Kisköre Hydroelectric Power Plant - Stator repair and regenerative impregnation of 2.5 kV, 7 MVA hydrogenerator
- TiszaTextil Kft. - Repair and maintenance of DC machines
- Veolia Power Plant Rt. - Regenerative impregnation of 10 kV, 10.5 MVA turbogenerator
- ARCONIC-Köfém Kft. Rolling Mill - Maintenance of 3 22 kW and 10 12 kW DC motors
- ARCONIC-Köfém Kft. Rolling Mill - Rewinding of 2 0.4 kV 17/75 kW Dahlander electric motors
- Kaba Sugar Factory Rt. - Major overhaul of two 10.5 kV, 7.5 MVA generators
- Mátrai Power Plant Zrt. Bükkábrány Mining Plant - Winding of excavator tower rotating DC motors

## Transformer Repair and Maintenance

- MOL Nyrt. Algyő - Renovation of 20/0.4 kV, 20-160 kVA oil transformers
- Szerencs Sugar Factory Rt. - Oil analysis of 8 power transformers
- Csabai Cannery Rt. - Repair of three 1000 VA toroidal transformers
- MPK Zrt. Polyethylene Plant - Redesign and rewinding of three 75 kVA isolation transformers
- MPK Zrt. - Maintenance and repair of 6/0.4 kV, 250-1600 kVA power transformers

## Pumps, Welding Machines, Hand Tools

- KSB Pump and Valve Kft. - Repair of pump motors
- MPK Zrt. - Repair of FLYGHT, KSB, BIBO pumps
- MPK Zrt. - Repair of electric hand tools
- MOL Nyrt. Tifo - Repair of FLYGHT, KSB, EMU pumps

## Industrial Electronics

- MOL Nyrt. Tifo - Regular maintenance of 42 uninterruptible power supply units
- Wire & Wire Rope Rt. - Repair of computer control for strand twisting equipment
- TiszaTextil Kft. - Repair of frequency converters, surface treatment equipment, DC drive controllers
- MPK Zrt. Olefin Plant - Selection and installation six 250 kW frequency converters for Ex motors
- MPK Zrt. Polyethylene Plant - Conversion of Ganz 640 and 1250 kW drive controller control to PLC
- Lasselsberger Holding Zrt. - Design and implementation of electronic water level measurement and PC data collection

## Heating Element Manufacturing, Repair, Heat Treatment

- MPK Zrt. Olefin Plant - On-site heat treatment work (max. 1150°C) related to replacement of main steam line, radial tube curtains of cracking furnaces, and boiler tubes
- TiszaTextil Kft. - Repair of extruders and hot air blowers
- PlastTmk Kft. - Repair of sheet metal and ceramic insert heating elements
- Colas Északkő Kft. - Repair of oil heating elements
- INTERSPAN Kft. - Repair of heating element inserts
- LOW & Bonar Hungaria Kft. - Repair of extruder screw and tool heating elements
- Messer Hungarogáz Kft. - Remanufacturing of 300 kW air dryer tube heating element unit