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1 Our main fields of work are: Hydraulics and pneumatics Power - - PowerPoint PPT Presentation
1 Our main fields of work are: Hydraulics and pneumatics Power - - PowerPoint PPT Presentation
1 Our main fields of work are: Hydraulics and pneumatics Power transmission Process and plant automation Automation of machines and device for various applications Training and education tools Environment
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Products: Services:
Hydraulics and pneumatics
Power train and transmission
Special purpose devices
Automation of manufacturing processes
Lubrication and filtration
Measurement and certification
Hydraulics and pneumatics
Engineering
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Vibration test stand
Servo-hydraulic measuring system used for static and dynamic analysis of materials and devices.
Its construction is adaptable to every load examining task set before him (stretching, pressing, vibrating…). It generates functions of static and dynamic load (impulse, periodical of random).
Upon the request of Faculty of Mechanical Engineering in Kragujevac, we have developed and delivered hydraulic platform capable
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providing exciting force with two degrees of
- freedom. Load can be simulated in one or two
axes simultaneously within frequency range from 0,1 to 31 [Hz] and with amplitude of ± 45 [mm]. The load of vibrating working deck is up to 200 [kg].
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This electro-pneumatic device has three operating channels which enables it to provide secure release of safety valves in power plant boilers (pre heater, inter heater and drum) when inlet pressure reaches releasing point.
Devices also has additional pressure load securing seal to the seat, providing lower steam leakage, which fulfils requirements set by standard SRPS-ISO-4626-1.
In conclusion with year 2010., we have delivered and deployed six devices for operating of safety valve in JP “Power plant Nikola Tesla – Kolubara” in
- Obrenovac. These devices operate safety valve on
steam super heaters on boilers no. 1, 3, 4 and 5 (D = 135 [t/h]) and safety valve of pre heater, inter heater and drum on block A5 (D = 380 [t/h]).
Picture: Safety valves control device.
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We have designed, manufactured, delivered and deployed hydraulic installation for drive of the intake valve for the Hydropower Plant “Studenica”. This mini hydropower plant “Studenica” is located on the river of the same name, in vicinity of the famous monastery Studenica.
Installed turbine is a Kaplan type turbine of similar geometry as the turbines at hydropower plant “Djerdap 1”.
Taking into consideration relatively flat flow rate and steady head during utilization, which are very close to nominal, this turbine has the same efficiency rate as double regulated turbine at changeable flow and head. The selected turbine does not have moveable wicked gate and runner.
For reasons afore mentioned, regulation
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putting power plant in and out of the operation, should be done by hydraulic power unit with predetermined opening and closing times of the turbine inlet valve. These times of opening and closing are adjustable on hydraulic power unit and are preset during turbine commisioning.
Picture: Hydraulic installation for
- perating
turbine inlet valve at Mini Hydropower plant “Studenica”.
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We have adapted hydraulic power unit and hydraulic installation for coal bunker shutter type:160-11-L325-16/23 at Power Plant “Kostolac” c.o.o.
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Overhaul of “PIV” variator in power plant “Kostolac” and power plant “Morava”
Upon the request
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the company PPCM “Kostolac” and PP “Obrenovac” – TPP “Morava”, we have reconstructed “PIV” variator
- f the coal dozer and coal feeder.
Original variators of coal dozer and coal feeder are “PIV” mechanical type with plate geared disc and special purpose chain drive. We have accommodated them with frequency regulators in
- rder to modernize the system and get faster
response. Old mechanical variator system is removed and new gear couples were installed retaining predefined rations.
Picture: Overhauled “PIV” dozer variator.
Power transmissions and drives
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Upon the request of JKP “Belgrade plants” we have overhauled the demaged “VOITH” hydrodynamic variable speedcoupling, type: 826-SL-II, with following characteristics: P = 1100 [kW], n = 14850 [rev/min].
Picture: Examined coupling at JKP “Belgrade planst”, in use for more than three years.
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Hand gripe measuring device
We have been asked by Faculty of Sport and Physical Education, University of Belgrade, to develop and manufacture device for precise static and dynamic examination of motor function of hand and fingers at persons with certain brain injuries.
The device is assembled from lightweight, compact aluminum casing which encompasses gauges for measuring gripe pressure.
During examination device is loaded longitudinally to tension and pressure. In order to protect device from breaking due to bending, a spherical bearing is inserted. This also allows to measure gripe force for each hand individually.
Total weight of the device is 520 [g] Picture: Measuring hand gripe.
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Mini hydropower plant “Moravica”in Ivanjica Turbine regulation
Modernization of the Mini Hydropower Plant “Moravica” in Ivanjica built in year 1911. We have redesigned turbine regulation and drive for turbine control gate. This was done while preserving the original look of the hydro plant.
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3D model example of a HPU with control hydraulics for a 25 [MW] Kaplan turbine control system.
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Based on the contractor’s request, we have replaced measuring and control equipment on installations of power units 1 and 2 used to drive pumps at “PAP Lisina”. We have also installed new ones, while keeping old
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for double checking the measured variables.
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Upon the request of the contractor, we have replaced measuring devices
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turbine installations on blocks “A” and “B” in Hydropower plant “Vrla 4”. We have also installed new measuring and regulating equipment, while keeping old ones in order to retain higher degree
- f system protection.
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At turbine unit in the Hydro power plant “Vrla 3”, we have replaced the measuring equipment.
In order to modernize operating turbine unit, we have installed the new measuring equipment on subsystems.
The purpose of the new equipment is to allow more precise measurement and control of system parameters.
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Upon the request
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contractor, we have reconstructed the support bearing lubricating system
- n turbines generator A1, lead bearings’ lubricating
system on turbine generator A1 and butterfly valve used for regulating cooling of generator A2.
We have designed, delivered and deployed a modern device precise for measuring of the speed of rotationof an steam turbine, as a part of the modernized turbine control system (nN = 600 [rev/min].
Reconstruction of lead bearings’ lubricating systems.
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Deployment of hydraulic equipment for regulation of auxiliary drive of turbine in Hydropower plant “Vrla 1”.
In hydropower plant “Vrla 1”
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hydraulic installations we have overhauled regulatory system by implementing regulating valves with electric
- motors. Entire plant is run remotely via SCADA system.
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We have designed, delivered and deployed a modern device precise for measuring of the speed of rotationof an steam turbine, as a part of the modernized turbine control system (3000 [rev/min]).
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As part of the reconstruction of control panel and regulating and measuring equipment
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dams “Barje” Leskovac and “Bovan” Aleksinac, we have replaced existing and installed new
- equipment. Measuring and regulating
equipment we installed is incorporated into SCADA system which in turn ensures that overseeing and controlling the system from command center is reliable. This allows system control both remotely and locally, also by hand
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by automatic control. Installed equipment is fully up to date and reliable. It also takes into consideration any further development and expansion that are scheduled in foreseeable future in plans regarding JVP “Morava” Niš.
Picture: “Bovan” dam – installed measurement and regulatory equipment.
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- Picture: “Barje” dam -
installed measuring and regulating equipment.
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Contractor: LUK – Kompenzatori, co. Loznica
On the basis of the written request of contractor we have executed following services: а) Analyzing spring force torque and resistance torque
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articulated compensator (type UJI6/600/12/C/1), S/N: RPB1-3/10/08 б) Conducting examinations of device’s life expectancy (analyzing breakage point
- f material) at pre set ambient conditions
and according to standards for pressurized vessels.
Every analysis is conducted upon the regulations and standards
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the association
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manufacturers
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compensators. (“Standards
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MHPP expansion joint manufacturers association, Inc.”)
Picture: Laboratory
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examining compensators – LUK Kompenzatori
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We are specialized in all types of adaptations of hydraulic and pneumatic automated and non-automated installations for all purposes. We are accredited for all necessary licenses for conducting and revising projects in energetics of national significance.
Revision of the preliminary design for reconstruction of electro-hydraulic drive of the overflow dam “Djerdap 2” – hydraulic equipment
For Public Enterprise EPS-PD “Hidroelektrane Djerdap”, we have revised the preliminary design of reconstruction of electro-hydraulic drive of the overflow dam “Djerdap 2” – hydraulic equipment.
Revision of the preliminary design for replacing electro-hydraulic drive of ship lock on HPP “Djerdap 1”
For Public Enterprise EPS-PD “Hidroelektrane Djerdap”, we have revised the preliminary design for replacing electrohydraulic drive of ship lock on HEPS “Djerdap 1”.
Revision of the preliminary design for reconstructing fast turbine control gates at HPP “Djerdap 1”
For Public Enterprise EPS-PD “Hidroelektrane Djerdap”, we have revised the preliminary design for replacing fast turbine gates at HE “Djerdap 1”.
Repair of hydraulic crane
Upon the request of “Termoelektro projekt”, ltd. we have repaired 5 ton hydraulic hoist.
Repair of electrohydraulic press for bending pipes
Upon the request of “Termoelektro projekt”, we have repaired electro-hydraulic press for bending pipes of up to 220mm.
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Main Design for repair of ship lock and barrage “Šebešfok”
Contractor: JVP “Vode Vojvodine”, Novi Sad
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Contractor: JVP “Vode Vojvodine”, Novi Sad
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Contractor: JVP “Vode Vojvodine”, Novi Sad
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Contractor: City Assembly of Kragujevac, Kragujevac
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Contractor: JVP “Srbijavode”
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Contractor: “ALST” d.o.o.
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Contractor: EPS “PP KOLUBARA” VELIKI CRLJENI
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Contractor: ”АLST” d.o.o.
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Contractor: Republic Serbia “Uprava za zajedničke poslove Republičkih organa”
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References in past 12 years, in field of mechanical engineering, fluid mechanics and regulating, “Institute Mihajlo Pupin” – Project Engineering, ltd.
No. YEAR CONTRACTOR WORK DESCRIPTION 51. 2014. ALST D.O.O. General design for construction of mini hydro power plant “Rlička” 50. 2014. ALST D.O.O. General design for construction of mini hydro power plant “Jašice 1” 49. 2014. ALST D.O.O. General design for construction of mini hydro power plant “Vučja Rupa” 48. 2013. REPUBLIC OF SERBIA ”UPRAVA ZA ZAJEDNIČKE POSLOVE REPUBLIČKIH ORGANA “ Detailed mechanical and electrical design of boiler unit for heating assembly members club and residental object in Tolstojeva street, Belgrade 47. 2013. NIS- OIL RAFINERY PANČEVO Control and examination of processin instalations on hydrogen generation plant within NIS –oil refinery Pančevo 46. 2013. POWER PLANT AND I COAL MINES “KOSTOLAC” Design for automation district heating stations in Kostolac 45. 2013. EPS “PP KOLUBARA” VELIKI CRLJENI Control and examination of fuel(LPG and diesel) instalations for boiler burners at Veliki Crljeni power plant 44. 2013. ALST D.O.O. General study mini hydro power plant “Jašice 1”
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No. YEAR CONTRACTOR WORK DESCRIPTION 43. 2013. ALST D.O.O. General study mini hydropower plant “Rlička” 42. 2013. ALST D.O.O. General study mini hydropower plant “Vučja Rupa” 41. 2013. JP ELEKTROPRIVREDA SERBIA “HPP ĐERDAP” D.O.O. Installation of control and measurement equipment for
- perating turbine power units “A” and “B” at Hydro power
plant Đerdap “Vrla 3” 40. 2013. “SUNOKO” D.O.O. VRBAS Reparation of control hydraulic installations for truck discharge device in sugar plant Vrbas 39. 2013. PD “ELEKTRODISTRIBUCIJA “ BEOGRAD D.O.O. Detailed design of telecomunication transformer station 35/10 [kV] Železnik 38. 2012. EPS “PP KOLUBARA A” Regulating electro-pneumatic panels for operating safety valve at power plant 110 [MW] 37. 2012. JP ELEKTROPRIVREDA SERBIA HPP “ĐERDAP” C.O.O. Installation of regulatory equipment for operating turbines “A” and “B” and installation of control valves for cooling turbine generator HPP “VRLA 4” 36. 2012. JP ELEKTROPRIVREDA SERBIA HPP ” ĐERDAP” C.O.O. Installation of regulatory equipment for both pumps and equipment for cooling system at pumped storage plant “Lisina”
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No. YEAR CONTRACTOR WORK DESCRIPTION 35. 2012. JP “POWER PLANTS NIKOLA TESLA” – TENT A, OBRENOVAC Manufacturing and installation of device for measuring rotational speed of the turbine. Generator no. 2 (210 MW) 34. 2012. JVP “VODE VOJVODINE” Preliminary design for maintenance investments for hydraulic and hydro-mechanic equipment of ship lock “Bečej” 33. 2012. JVP “VODE VOJVODINE” Preliminary design for maintenance investments for hydro- mechanic equipment of ship lock “Bečej” 32. 2011. JVP “VODE VOJVODINE” Preliminary and main design for repair of ship lock with gate “Šebešfok” at Baja – Bezdan channel – hydro- mechanical design. 31. 2011. JP ELEKTROPRIVREDA SERBIA HYDRO POWER PLANT “ĐERDAP” C.O.O. Installation of: lubricating system for bearings of turbine A; regulatory equipment at turbines ”A” and “B”; regulatory valves for turbine cooling “A” and “B” at HPP “Vrla 2” 30. 2011. JP ELEKTROPRIVREDA KRALJEVO, DEPARTMANT ED ČAČAK Maintenance investment of MHPP “Moravica” – Ivanjica – Engineering and installation of hydraulic system for turbine regulation. 29. 2010. JP ELEKTROPRIVREDA SERBIA HPP “ĐERDAP” C.O.O. Installation of hydraulic equipment for operating auxiliary drive of Pelton’s turbine and regulatory valves for turbine cooling,HPP “Vrla 1”.
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No. YEAR CONTRACTOR WORK DESCRIPTION 28. 2010. POWER PLANT AND I COAL MINES “KOSTOLAC” Reconstruction of PIV variator’s drive for coal dozer and feeder. 27. 2010. POWER PLANT AND I COAL MINES “KOSTOLAC” Adaptation of hydraulic generators and manufacturing of hydraulic installation for coal bunker shutter drive. 26. 2010. EPS “PP KOLUBARA A” Control electro-pneumatic cabinet for operating safety valves, block 36 MW 25. 2010. JVP “VODE VOJVODINE” Preliminary design for maintenance investments for hydro- mechanic equipment of ship lock “Botoš” 24. 2009. JVP “SRBIJA VODE” JVP “MORAVA”, NIŠ Installation of new measuring and regulating equipment on dam “Barje”, Leskovac, as part of reconstruction of control panel and regulatory equipment. 23. 2009. JVP “SRBIJA VODE” JVP “MORAVA”, NIŠ Installation of new measuring and regulating equipment on dam “Bovan”, Aleksinac, as part of reconstruction of control panel and regulatory equipment. 22. 2009. JP ELEKTROPRIVREDA SERBIA HPP “ĐERDAP” Detailed design and deployment of hydraulic installation for control of Mini hydropower plant “Studenica”.
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No. YEAR CONTRACTOR WORK DESCRIPTION 21. 2008. JVP “VODE VOJVODINE” Basic design of overhaul and reparation of hydro- mechanical equipment on ship lock “Kucura”. 20. 2008. JVP “VODE VOJVODINE” Basic design analysis of overhaul and reparation of hydro- mechanical equipment on ship lock “Bezdan”. 19. 2008. FACULTY OF MECHANICAL ENGINEERING KRAGUJEVAC Hydrodynamic pulsator HP2007. 18. 2008. JVP “SERBIA VODE” Basic design and feasibility study for of building a small hydropower plant on river Đetinja – MHE “Vrutci”. 17. 2008. EPS “PP KOLUBARA A” Control electro-pneumatic cabinet for operating safety valve, block 36 MW 16. 2008. JP RAILROAD SERBIA Boiler overhaul with documentation – Document compendium for overhauled equipment of boiling plant and heating substation in maintenance depot EMV no.0110/08 15. 2008. GSP BELGRADE Repair and reconstruction of vessel suspension in vehicle with documentation. – Basic design of tank repair s/n 129 installed in truck ТАМ 130Т-11B-4,3 no. 117/08
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No. YEAR CONTRACTOR WORK DESCRIPTION 14. 2007. JP ELEKTROPRIVREDA SERBIA HPP “ĐERDAP” Revision of preliminary design for reconstruction of electro-hydraulic drive for overflow dam HE “Đerdap 2” – Hydraulic equipment. 13. 2007. JKP BELGRADE’S POWERS Overhaul and examination of Voith’s couplings type 826- SL-II 12. 2007. JP RAILROAD SERBIA Technical documentation for air manifold at compressor station in maintenance depot EMV no.101/07 11. 2007. JP RAILROAD SERBIA Basic design for repair of fine air filter no. 061 at compressor station in maintenance depot EMV no.102/07 10. 2007. JP RAILROAD SERBIA Basic design for repair of fine air filter no. 062 at compressor station in maintenance depot EMV no.103/07 9. 2007. JP RAILROAD SERBIA Boiler overhaul with documentation – Document compendium for overhauled equipment of boiling plant and heating substation in maintenance depot EMV no.0111/07 8. 2007. JP RAILROAD SERBIA Boiler overhaul with documentation – Document compendium for overhauled equipment of boiling plant and heating substation in maintenance depot EMV no. 0211/07
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No. YEAR CONTRACTOR WORK DESCRIPTION 7. 2006. JP ELEKTROPRIVREDA SERBIA HPP “ĐERDAP” Revision of preliminary design of replacement of electro- hydraulic drive on ship lock HE “Đerdap 1” 6. 2006. JVP “VODE VOJVODINE” Basic design overhaul – repair hydro-mechanical and hydraulic equipment of ship lock “Brana na Tisi”. 5. 2006. JP RAILROAD SERBIA Execution and basic design of 800 [l] tank repair for passenger section Belgrade no.3010/06 4. 2005. JP RAILROAD SERBIA Execution and basic design with documentation of expansion tank no. 481 and 487 in boiling plant ZOVS 15 April – Makiš Beograd. 3. 2005. JP “POWER PLANT NIKOLA TESLA” – PP A, OBRENOVAC PP “MORAVA” Reconstruction of coal feeder drive – PIV variator FAC5. 2. 2005. ARMY OF SERBIA AND MONTENEGRO Reconstruction of hydro-mechanical equipment for erecting antenna system OVERLOOK. 1.
- 2003. – 2014. U.S. STEEL SERBIA, ltd. (IRON FORGE
SMEDEREVO) Overhaul, refill and testing of hydraulic weight compensators
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