1. ZRE Gdańsk Sp. z o.o. START COMPANY PROFILE HYDROELECTRIC PLANTS
NETWORK EQUIPMENT
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ZRE Gdańsk Sp. z o.o.

2. Comprehensive services for energy sector
ZRE Gdańsk
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COMPANY PROFILE
Comprehensive services for energy sector
HYDROELECTRIC PLANTS
COMPREHENSIVE SERVICES
NETWORK EQUIPMENT
REFERENCES
SUMMARY
CONTACT

3. Core business Overview Specialization Ecology Certificates
Company Profile
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COMPANY PROFILE
Core business Overview Specialization Ecology Certificates
HYDROELECTRIC PLANTS
COMPREHENSIVE SERVICES
NETWORK EQUIPMENT
REFERENCES
SUMMARY
CONTACT

4. Core business production of electrical equipment and apparatus
repairs, upgrades and assembly services in the power sector
designing and technical consultancy
consulting
diagnostics
comprehensive services

5. ZAKŁAD REMONTOWY ENERGETYKI GDAŃSK SP. Z O.O.
Overview
ZAKŁAD REMONTOWY ENERGETYKI GDAŃSK SP. Z O.O.
Dates
1933 – establishment of the Firm
1994 – privatisation
2003 – ISO 9001:2000 certificate
Employment
Management Board: four members
Number of full-time employees: 109 persons
Main advantages
Highly qualified personnel, complete workshop and production back-up facilities, Company’s diagnostic laboratory and long-standing experience in the energy sector.
Partners
Gdańsk Technical University, Polish Academy of Sciences (PAN), Naval Academy, Power Industry Institute, Electrotechnics Institute and foreign companies, including Voith, Siemens, Vatech, Glacier, RollsWood and DEHN.

6. Specialization of the Company
Constructions, repairs and upgrades of large hydroelectric power plants
Turnkey constructions of hydroelectric power plants
Reconstructions of worked out hydroelectric power plants
Repairs, upgrades and assembly of
Steam boilers
Water boilers
Propeller pumps
Gas turbines
Diagnostics of industrial equipment
Manufacture and assembly of electrical equipment and apparatus
Manufacture of safety apparatus for SN transmission grids
Live maintenance of equipment up to 36kV
Repair and assembly services in the power sector
Services for the army

7. Natural environment protection
ZRE Gdańsk focuses on the protection of natural environment
production and assembly of equipment for renewable sources of energy
energy saving solutions
increasing the efficiency of energy use
enhancing process efficiency
reducing the emission of environmental pollution

8. Certificates DNV – ISO 9001:2000
UDT – 2nd Level Accreditation Certificate for Diagnostics Laboratory
UDT – License to produce pressure equipment
UDT – License to perform pressure equipment repairs

9. Hydroelectric plants
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HYDROELECTRIC PLANTS
COMPREHENSIVE SERVICES
Power plant constructions Turbine manufacture Assembly and start-up Servicing Repairs and upgrades
NETWORK EQUIPMENT
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10. Turbine designing and selection basis
Installation-operation conditions of turbines
Basis for turbine designing and selection :
Turbine model tests
Conducted at laboratories of Gdańsk Technical University and Flow Machinery Institute of PAN in Gdańsk
Computer aided flow analysis
With commercial TASCflow software
Determining the power and cavitation characteristics of turbines
Determining efficiency courses
Determining power curves
Determining turbine foundation height

11. Kaplan turbines a vertical turbine fed with a helix
a suction curved-axial pipe
double control – with rotor blades and a steering gear
EW Jeziorsko
Rotor diameter D=2400 mm
Head H=6.5 m
Rate of flow Q=30 m3/s
Power N=1625 kW

12. Kaplan turbines (cont.)
a vertical turbine built in an open chamber
a suction curved-axial pipe
double control – with rotor blades and a steering gear
MEW Szaflary
Rotor diameter D=1550 mm
Head H=4.5 m
Rate of flow Q=11.5 m3/s
Power N=415 kW

13. Pipe turbines a horizontal system a double-curved suction pipe
control with rotor blades
MEW Domaniów
Rotor diameter D=650 mm
Head H=7.3 m
Rate of flow Q=2.2 m3/s
Power N=125 kW

14. Angular pipe turbines a vertical or oblique system
a suction curved-axial pipe
double control – with rotor blades and a steering gear
MEW Czaniec
Rotor diameter D=750 mm
Head H=6.1 m
Rate of flow Q=2.5 m3/s
Power N=125 kW

15. Pipe straight turbines
Rotor diameter D=1550 mm
Head H=2.4 m
Rate of flow Q=3.15 m3/s
Power N= kW

16. Range of services and supplies
ZRE Gdańsk Services
Production
Delivery
Assembly
Start-up
Servicing
Supplies - range
Turbines
Transmission
Generators
Control systems
Power terminal systems

17. Advantages of upgrading
Extended life of turbines and entire power plants
Enhancing power or efficiency
Better performance characteristics, increased flowability
Increased energy production – on average by 5-20%
Enhanced availability
Reduced operation costs of the power plant
Eliminating the risk of environmental pollution – application of modern self-lubricating or water-lubricating bearings

18. Comprehensive services
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Assembly Repairs Maintenance Construction of stations and equipment Accessories manufacture
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19. Steam and water boilers. Gas turbines.
repairs and upgrades of steam and water boilers;
repairs and assemblies of gas turbines;
prefabrication of spare parts;
repairs of drums and steam separation equipment;
exchanging steam and water pipelines;
repairs of fittings including complete renovation of parts;
exchange and renovation of construction and casing elements;
prefabrication of constructions and casings;
repairs of auxiliary equipment: mills, grates, precipitators, fans, etc., including the production of spare parts;
upgrades of boiler air rotary heaters;

20. Diagnostics Comprehensive tests of power equipment
Detailed non-destructive testing
Detailed destructive testing
Including:
radiographic,
ultrasonic,
magnetic,
liquid-penetrant,
welded joints,
crack depth,
material properties,
steeloscope,
Diagnostic Laboratory complies with the PN-EN standard criteria and the ISO/ IEC 25:1990 Guide as well as requirements of Technical Inspection Conditions DT – LI95.

21. Electrical services.
Services, maintenance and repairs of electrical motors and low and medium voltage generators
Services, maintenance and spinning power and distributing transformers oil
Constructions, repairs and services of main GPZ feed points, including:
Power terminals
Secondary circuits
Telemechanics
Connection systems

22. Manufacture and assembly of control systems.
Static systems of excitation and regulation of WGSY synchronic generator voltage
Thyristor cascade control systems for rotational speed in UKSA asynchronous slip-ring motors
Static excitation systems of WSSY synchronous motors
Control systems of rotational speed in synchronised asynchronous motors (SAS) URSAm
Microprocessor RMT transformer controllers
Convection current monitors for RK storage batteries
Customised control systems

23. Live servicing (max. 36kV)
Comprehensive maintenance of internal switchgears
Live cleaning of switchgears with dry and wet methods
Live supplementation of impregnant in cable heads
Live tightening of screw connections
Distribution of world class equipment manufactured by Dehn+Sohne
Supervision and training within live operation

24. Network equipment
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HYDROELECTRIC PLANTS
Gas-expulsion safety devices Stand-off insulators Safety devices bases WZZ
COMPREHENSIVE SERVICES
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25. Fuse element shields - OWBG
Modern technology
Easy installation, low weight
Multiple use shields reduce station operation costs
Easy exchange of fuse elements
Optional exclusion of small currents in the complete range
A wide range of rated constant currents from 12 to 36 kV
Significant interrupting capacity
Compliance with PN, IEC and GOST requirements
Adapted to work with all types of bases used in Poland
Overcurrent protection

26. Stand-off silicon overhead insulator C 04
Modern technology
Stable protection characteristic
Significant leakage path
Optional installation in any position
Low weight
Protection entirely resistant to tear
Supportive equipment

27. Overcurrent protection
PBN Us fuse basis
Modern technology
Stable protection characteristics
Significant leakage path
High mechanical resistance
Resistance to pollutions
Low weight
Protection entirely resistant to tear
Ideal cooperation with OWBG fuse element shields
Overcurrent protection

28. High voltage Protection Set
Modern technology
Low weight
Compact design
Easy installation
Facilitates the construction of pylon structures
Significant energy absorbing power
Stable protection characteristics
High mechanic and damage resistance
Resistant to pollutions
Complex protection

29. References Services Manufacture www.zregdansk.pl START COMPANY PROFILE
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30. Repairs of large hydroelectric power plants
Żydowo
Major overhaul of three hydroelectric units
3 x 50 MW
Dychów
Major overhaul of a Kaplan turbine
26.1 MW
Włocławek
Major overhaul of six hydroelectric Kaplan units
6 x 27.8 MW
Solina
Modernization of two hydroelectric Kaplan units
2 x 68 MW
Dębe
Supervision of the major overhaul and modernization of three hydroelectric Kaplan units
3 x 5.3 MW
Myczkowce
Modernization of two Kaplan hydroelectric units
2 x 4.9 MW
Rosnowo
Repair of a hydroelectric unit
1.15 MW
Smardzewice
2 x 1.7 MW
Mierejovice (CZ)
Reconstruction of five Francis turbines
5 x 0.75 MW

31. Latest MEW reconstructions and constructions
Horizontal pipe turbines
Domaniów
Rawa Mazowiecka
Kłódka
Piechowice
2 x 140 kW
90 kW
70 kW
Siphon water pipe turbines
Głuchołazy
2 x 60 kW
Bell pipe turbines
Dwory
3 x 250 kW
Kaplan turbines
Jeziorsko
Kępka
Szaflary
2 x 2700 kW
2 x 465 kW
415 kW
Francis turbines
Kuźnice
Zajeziorna
Trynka
56 kW
14 kW
Banki turbines
Smokowo
Cieszanowice
Ustrzyki Górne
2 x 37 kW
50 kW
15 kW

32. Diagnostics services - experience.
EC Wybrzeże (CHP)
comprehensive examination of boilers and turbines
ZEC Bydgoszcz (CHP)
material testing (evaluation) of boiler pressure elements
Energomontaż Zachód
radiographic examination, UT, MT, PT, welded joints
EC Elbląg (CHP)
material testing (evaluation) of pipe sections, boiler elements and welded joints
Energoremont
UT examinations of welded joints in boiler elements
„Wisła” Aluminium
X-ray examination of hulls
EW Włocławek, EW Solina, EW Rożnów, EW Żarnowiec
non-destructive testing of hydroelectric unit elements, bearing testing
LOTOS Group
diagnostics of an OO-160 boiler

33. Services - experiences.
EW Żarnowiec
repairs of generators, starting motors and transformers
EW Solina (Hydroelectric CHP)
disassembly and assembly works, unpacking, unwinding and winding generators no. 1, 2 and 3
EW Domaniów
manufacture, assembly and starting a feeding, control and power terminal system
Elektrownia Bełchatów
manufacture, assembly and starting excitation rectifiers T15/01
EC Władysławowo (CHP)
prefabrication and assembly of NXPlus switchgears (SF6) for a 30kV switching station of a 110/30/15kV station
ANWIL Włocławek
modernization of ‘Orbit’ type valves
assembly of chlorine system supports
Zakłady Azotowe Tarnów (Nitric Plant)
manufacture, assembly and starting static excitation systems of WSSY 11 type for 4.8 MW motors
EC Wrocław (CHP)
manufacture, assembly and starting a static excitation and start-up system of ETA 2750 ETA type
EC Wybrzeże (CHP)
transformer maintenance and repairs
ZE Toruń (CHP)
generator maintenance and repairs
ZE Gdańsk (CHP)
repairs, maintenance and rewinding generators and live work

34. Cooperation advantages Company contacts
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Cooperation advantages Company contacts
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35. Cooperation with ZRE Gdańsk - Benefits
Construction, repairs and modernization of large hydroelectric power plants
Construction, repairs, modernization and reconstructions of MEW
Repairs, modernization and assembly of steam and water boilers
Installations, repairs and servicing gas turbines
Services for power industry
Protection devices for SN transmission grids
Industrial diagnostics
Consulting
Identifying and removing failure causes

36. Company contacts Marketing Division Manufacturing Department
Marketing Manager: Tomasz Dudkiewicz
T: +48 (58)
F: +48 (58)
Manufacturing Department
Technical Director: Henryk Chaberski
T: +48 (58)
F: +48 (58)
Logistics Department
Logistics Manager:
Tadeusz Benka
T: +48 (58)
F: +48 (58)
Management Board Office
Manager: Leokadia Łopata
T: +48 (58)
F: +48 (58)

37. ZRE Gdańsk Sp. z o.o. Your reliable partner. 80-719 Gdańsk
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ZRE Gdańsk Sp. z o.o.
HYDROELECTRIC PLANTS
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Your reliable partner.
REFERENCES
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Gdańsk
Litewska 14A
+48 (58)