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IPEK energy GmbH Development and Implementation of a Wind Farm

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  1. 3rd International Conference onAlternative Energy & Power ICAEP IPEK energy GmbHDevelopment and Implementation of a Wind Farm 28 March 2009

  2. Content Company Profile Wind energy - an introduction Steps to install a wind farm Selection of wind turbines Selected wind turbine for ZORLU: VENSYS Project implementation

  3. Content Company Profile Wind energy - an introduction Steps to install a wind farm Selection of wind turbines Selected wind turbine for ZORLU: VENSYS Project implementation

  4. IPEK energy GmbH We • are an independentengineering & consultancy company • support you from acquisition to turnkey ready construction of renewable power generation systems world wide • offer skilful support with international financing and after commissioning • take the technical business management • are very flexible and act in close cooperation with our clients exactly to the requirements of the international markets

  5. Key Services • Engineering & Consulting • acquire suitable sites • design of whole wind farm (micro-siting, electrical, civil) • complete permitting procedures • negotiate required Power Purchase Agreement (PPA) • organize international funding • supervision of construction till take over of the plan • control operations management • Wind Measuring • standard IEC confirm measuring trough Wind Mast • and SODAR measuring • Bankable Feasibility Studies • Due Diligence • Emissions Trading

  6. Osman Ipek – Managing Director • Electrical Engineer (Main Branch Renewable Energies) • Active in Wind Branch since 2000 • project development • project management • project implementation • engineering • due diligence • measurement and monitoring systems • wind resource assessment • teaching and education, concepts; strategies; system layout • 18 Wind farm Projects realized • More than 800MW projects developed in 6 countries • Due Diligence of more than 220MW wind projects • Feasibility studies for more than 40 wind farms • Currently on going Projects of >400MW in Turkey, Romania and Pakistan

  7. Countries of Work Experience

  8. Memberships Partners German Wind Energy Association WINDTEST Grevenbroich GmbH The Association of German Engineers Membership/ Partners Pakistan Wind Energy Association

  9. Company Profile Wind energy - an introduction Steps to install a wind farm Selection of wind turbines Selected wind turbine for ZORLU: VENSYS Project implementation

  10. How does it work • A wind turbine obtains its power input by converting the force of the wind into a torque acting on the rotor blades • The amount of energy which the wind transfers to the rotor depends • on the density of the air • the rotor area • and the wind speed. • In other words you can get more energy: • the "heavier" the air • the “bigger” the rotor • the “higher” the wind speed

  11. Components of a Wind Turbine 690V

  12. Components of Wind Turbine

  13. Company Profile Wind energy - an introduction Steps to install a wind farm Selection of wind turbines Selected wind turbine for ZORLU: VENSYS Project implementation

  14. 12 Steps to install a wind farm 1. WIND ASSESSMENT ... available wind data will be used to estimate how much energy the wind farm will produce. 2. WIND FARM DESIGN Wind data combined with topographical information to design the wind farm.. ... to model wind flow, ... turbine performance ... sound levels ... to optimize the location of WTG ... design the access roads ... turbine foundations ... local electric network ... grid connection

  15. 12 Steps to install a wind farm 3. ENVIRONMENTAL STUDY ... to identify any impacts on landscape, plants and wildlife, soil and water, land use, aviation, telecommunications, etc. 4. LAND ACQUISITION ... to negotiate “option” agreements to use land 5. PERMITTING AND PUBLIC CONSULTATION ... seek municipal, provincial and federal permits before the project can go ahead. ... meet the local communities to present the project, solicit their feedback and seek community support.

  16. 12 Steps to install a wind farm 6. ECONOMIC AND FINANCIAL ANALYSIS … demonstration of the economic viability of the project to raise the funds … estimate the cost of turbines and their installation, as well as roads, electrical system, operation and maintenance, etc. ... estimate the income by using the energy production of the wind farm over the lifetime of the project 7. MANUFACTURING WTG parts are manufactured and pre-assembled into the main components at the factory and shipped to the wind farm site where the final assembly will take place.

  17. 12 Steps to install a wind farm 8. SITE PREPARATION The wind farm site will be prepared before the WTG will arrive to site. ... access roads, clear the areas where turbines will be erected ... preparation of the foundations (do the excavating; installing the formworks; pouring concrete) 9. CONSTRUCTION After arrival of all components, the assembly can take place by using a crane to erect the tower and install the nacelle and rotor with its hub and blades. Same time the electrical works will be performed

  18. 12 Steps to install a wind farm 10. COMMISSIONING The wind farm will tested before becoming fully operational. 11. OPERATION AND MAINTENANCE A variety of skill sets are required to ensure the effective operation of a Wind Farm (activities be performed on a regular basis throughout the project’s, monitoring and analyzing performance, performing preventive maintenance and repairs on the turbines) 12. ….. visit Hall 1 – A36

  19. Steps from LOI to Implementation

  20. Company Profile Wind energy - an introduction Steps to install a wind farm Selection of wind turbines Selected wind turbine for ZORLU: VENSYS Project implementation

  21. On Site Wind Measuring (example)

  22. Selection Criteria for Wind Turbines • Compliance with the site wind conditions • Specific costs (e. g. costs per kWh) • Readiness of supplier to offer turbines • Commitment to the market • Delivery time • Warranties: power curve, availability, grid compliance • Completeness of technical documentation • Track record of WTG model • Company: position in market, financial strength, etc. • Operation and Maintenance concept • Crane availability

  23. Different size of WTGs / Cost per kW WTG: 2MW, 100m hub WTG: 1MW, 70m hub

  24. Large wind farm vs. smal wind farm Source: www.awea.org

  25. Selection Criteria for Wind Turbines Availability of 400t cranes is higher than 600t  WTG <2MW should be selected for Pakistan

  26. Company Profile Wind energy - an introduction Steps to install a wind farm Selection of wind turbines Selected wind turbine for ZORLU: VENSYS Project implementation

  27. Selected Wind Turbine: VENSYS No Gearbox No Pitch gear Synchronous Generator Self Cooling

  28. Generator & Cooling system Generator is fully encased (protected against dust/sand)

  29. Less maintenance AC Pitch motor Maintenance friendly No Crane needed Capacitor instead Batteries

  30. Selection Criteria for Wind Turbines • Compliance with the site wind conditions • Specific costs (e. g. costs per kWh) • Readiness of supplier to offer turbines • Commitment to the market • Delivery time • Warranties: power curve, availability, grid compliance • Completeness of technical documentation • Track record of WTG model • Company: position in market, financial strength, etc. • Operation and Maintenance concept • Crane availability - OK - optimal - OK - OK - the shortest delivery timecomparing to other - OK - OK - OK - OK – Less maintenance - OK for 400t crane

  31. Draft Time Table

  32. Company Profile Wind energy - an introduction Steps to install a wind farm Selection of wind turbines Selected wind turbine for ZORLU: VENSYS Project implementation

  33. WF site of Zorlu together with neighbors FFC and Masterwind North

  34. Wind resource map at 69m

  35. Wind resource map at 85m

  36. Wind turbine siting

  37. Noise and Shadow analysis

  38. Jet Airplane Air Hammer Industrial Noise Inside Car Typewriter Home Wind Turbine Whispering Scales of noise emissions Jet Airplane Air Hammer Industrial Noise Inside Car Typewriter Typewriter Office Home Wind Turbine Whispering Leaf Fall

  39. 85m wind measuring mast of ZORLU The highest wind measuring mast in Pakistan

  40. Ground Breaking Ceremony ZORLU January 2007

  41. Transportation study

  42. Transport problems identified and solved

  43. Implementation - Soil Study

  44. Implementation- Seismic Study

  45. Implementation - Public Consultation

  46. Impressions

  47. Foundation works

  48. Wind Farm cabling

  49. Coordination Meetings & start of Installation

  50. Installation of WTG