The more important works made in last years:

1. Design and construction works:
   - Analysis and development works about the biggest power transformers (overloading autotransformer 330MVA/400kV, step-up transformer 940 MVA/400kV, power extension of step-up transformer from 630 MVA to 670 MVA, power extension of step-up transformer from 240MVA/400kV to 330MVA/400kV, determination of current load and reactances ans short-circuit currents at symetrical and unipolar shortage within a set consisting of main autotransformer 500MVA and booster transformer used for transverse and longitudinal voltage regulation, modernizing transformer 240MVA/400kV) 1997-2000 for ABB Elta.
   - Tender and design calculations, expert opinion about the largest power transformers (transformer 270MVA/220kV, step-up transformer 263MVA/110kV, transformer 240MVA/400kV, autotransformer 160MVA/220kV, step-up transformer 150MVA/110-220kV) 1997-2001 for PPRE Energosewis in Lubliniec.
   - Calculation and design the distribution transformers (100,400,630kVA) and special transformers (rectifier transformer with reactor, transformer 16MVA/115kV) 1997-1998 for EMIT Żychlin.
   - Analysis of short-circuit and mechanical strengths of transformer 12000/16000/2000kVA/110kV and 20MVA/110kV for Industries TEM company Mexico.
   - Algorithm and program for transformer design (windings reactance) 1997 for ABB Elta, PROT97, EMIT Żychlin.
2. Preparing a draft, manufacture the prototype and implementation:
   - Transformer TMP 80/100 integrated with rectifier of electro-filter's supply set. 1999-2000 for Institute of Power Engineering Gdańsk Division.
   - Coupling Transformer TS 15/1250 for GPZ Kotlarska, Electricity Board Kraków 2000.
3. Verification by measuring of new and modernizing insulating system, of transformers, conclusions and recommendation.
   - Overvoltage measurement in models and real transformers. From 1997 to 2006 there was tested more then one hundred large and middle power transformers and there was analising their construction. It was doing for ABB Elta, PPRE Energoserwis in Lubliniec, EMIT in Żychlin.
4. Transformer tests in Institute of Power Engineering, in the customer's workshop and on site:
   - Measure of partial discharge in large and middle power transformers.In 2001-2002 it was about 20 transformer tests for ABB Elta, measurement of partial discharge on the transformers working place on 160 MVA for PSE (2002).
   - Tests after repairing of autotransformer 500MVA/400kV in Dobrzeń near Opole for ABB Elta.
5. Materials testing and transformer's tank testing:
   - Testing of insulation equipment for different customers.
   - Determination of moisture contents in insulating materials.
   - Transformer oil tests (DGA, Physical and chemical properties and identification).
   - Determination of transformer insulations dispersion properties for Energopomiar Gliwice.
6. Expertise of transformers condition and failure reasons:
   - Analysis of short-circuit strength of step-up transformer 270MVA/220kV in power plant Łaziska to PPRE Energoserwis in Lubliniec 1997.
   - Expertise of transformers condition, working in Power Plant Pomorzany 1997.
   - Software for transformer condition assessment basing on DGA method.1998 for PSE.
   - Reasons of damage of step-up transformer 240MVA/400kV for ABB Elta 1999.
   - Reasons and range of damages in transformer type TISRC 250 000/400PN on Power Station in Żarnowiec (1999).
   - Expertise of first and second power step-up transformers in aspect of rebuilding power unit in 2004 year. For Power Plant Bełchatów in Rogowiec.
   - Technical opinion of the rectifier transformer insulation, Serwis Ldt in Elblag.
7. Programs and computer systems:
   - Criterions of the allowable concentration of gasses and their grow in transformer oil in "off-line" method. Computer-aided system of the DGA results evaluation. For PSE 2000.
   - Program to make the covering balance of the twenty-four hours requirement on power and electrical energy. 2001 for PSE.
   - Forecast of power requirement in a node of power network for 110kV. 2002
8. Different analysis:
   - The promotion of the energy-saving distribution transformer in Poland and in Central Europe, PCPM 2000.
   - The assessment of the sound method testing of measuring transformer's insulation for PSE S.A., EPRI-USA, (2001-2002).
   - The analysis of power and ecological results of usage the energy-saving distribution transformers (conception, completing of apparatus, program for measurement, transmission and data processing, installation and putting into operation and edition of website)for PCPM 2001.

Manufacturing

9. The computerized transformer test station (development of an idea, design, realizing, tests and training of servicing personnel):
   - The transformers tests station for EMIT Żychlin 1997-1998. Not finished...
   - The distribution transformers tests station for Beskidzka Energetyka 2000-2002.
10. Vacuum drying and impregnation units for the distribution transformers (preparing a draft, realizing and starts, the heating transformers by low frequency current, development of oil management, made the system ready to use):
    - AEG Mefta at Mikołowie, 1996.
    - ZWME i T EMIT S.A. at Żychlin, 1997 - the modernizing of team drying units.
    - ZWME i T EMIT S.A. at Żychlin, 1998.
    - ABB Elta in Łodzi, 2000.
    - ABB Elta in Łodzi, 2002 - the modernizing and expansion of drying unit.
11. The transformer oil treatment unit in stationary and mobile version with different capacity:
    - Electricity Board Będzin, mobile version, capacity 3000/6000 l/h, 1997.
    - Carbon Electrode Company in Racibórz, mobile version, capacity 1000/2000 l/h, 1997.
    - Hight Voltage Region in Chorzów, statinary version, capacity 250/500 l/h, 1998.
    - ZWME i TEMIT S.A., stationary version, capacity 1500/3000 l/h, 1998.
    - ABB Elta, mobile version, capacity 3000/6000 l/h, 2000.
    - Power Plant Bełchatów, mobile version, capacity 3000/6500 l/h, 2002.
    - Beskidzka Energetyka, stationary version, capacity 1000/2000 l/h, 2002.
    - Gdańska Kompania Energetyczna ENERGA, stationary version, capacity 1000/2000 l/h, 2002.
12. Transformer oil conditioning in large power transformers for the highest voltages on site, also the oil treatment transformer operation (on-line) 1995-2002 for the following Power station:
    - Dolna Odra,
    - Turoszów,
    - Kozienice,
    - Pątnów - Adamów,
    - Żarnowiec.
13. Execution of the power and distribution transformer's main insulating elements, 1995-2002 for:
    - AEG Mefta,
    - GEC ALSTHOM T&D,
    - ABB Elta,
    - PPRE Energoserwis Lubliniec.
14. The equipment of the large power transformers, 1995-2006 for:
    - Power Plant Dolna Odra,
    - PPRE Energoserwis Lubliniec,
    - Power Plant Opole,
    - ABB Elta,
    - PSE S.A.,
    - Power Plant Bełchatów,
    - ZREW.
15. The equipment of the distribution transformers 1995-2006 for:
    - GEC ALSTHOM T&D,
    - ABB Elta,
    - ZWME i T EMIT S.A.
    - Electricity Board Będzin,
    - Electricity Board Łódź-Teren.