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Lubrication, position controllers, yaw brake systems modification, upgrades for generators and blades and many other upgrades and modifications available

    • Upgrades & Optimierungen
      Services
      More power and yield for your wind turbines by optimizing the efficiency of transmissions and bearings. The REWITEC® Nano-Protect concept significantly reduces friction, temperature and surface roughness and thus provides protection for your system through sustainable wear reduction. Extend the life and improve the efficiency of your plant with the science-based solutions of REWITEC®. Application examples are all types of bearings and gearboxes, such as main, generator or pitch bearings as well as main, pitch or and can itself freeze or eliminate damage such as standstill marks, pittings or corrosion, depending on the degree of damage. The REWITEC® technology is also suitable for gearless plant types. Sentient Science analyzed the effects of REWITEC® on a Winergy 4410.2 gearbox on a GE 1.5MW turbine. For the calculations, results of the University of Mannheim and field test results were used. Sentient Science calculated an extension of the lifetime by a factor of 2.6 to 3.3. REWITEC® means less wear, longer service life and higher efficiency. For more details, see the files below or visit www.rewitec.com Service category:  Upgrades & Modification Windturbine brand:  All Windturbine type:  all Attachments:  higher_performance_for_gearboxes_and_bearings_in_wind_turbines.pdf rewitec_product-datasheet_gr-400.pdf rewitec_product-datasheet_duragear_w100.pdf
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    • Azimut-Bremssystem modification für V66- V80- V90-2.0
      Services
      New configuration of the spring assembly in „the Fanggaffeln” (passive friction assemblies) – replacement of the PETP-brake / slide layer against surfaces from epoxy resin- Composite result of advantages: + long lifetime, small wear + minimization of the „stick slip effect” while running + increase of the brake torque + reduction of the loads on the turning transmissions https://www.deutsche-windtechnik.com/onshore-service-maintenance-and-repair.html Service category:  Upgrades & Modification Windturbine brand:  Vestas Windturbine type:  V66 V80 V90
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      Vestas
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    • Klimapaket Maschinenhaus Vestas V80, V90-2.0
      Services
      Modification of the air circulation in the nacelle (climate package). Source of problem: Dampness, salty or dusty air can negatively affect the service time of the transformer. Solution: Modification of the air circulation in the nacelle (climate package). Result of advantages: + dry air for the cooling of the transformer + optimal air circulation through the nacelle + strongly reduced contamination + increased service lives of the transformer + quick installation https://www.deutsche-windtechnik.com/onshore-service-maintenance-and-repair.html Service category:  Upgrades & Modification Windturbine brand:  Vestas Windturbine type:  V80 V90
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      Vestas
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    • Nachrüstung von Schmierritzel an der offenen Drehkranzverzahnung fur Vestas V66, V80, V90
      Services
      Cause of malfunction: Wear and corrosion at the open gear drives. Result of advantages: + direct, purposeful lubricating of the supporting tooth edges + reliable lubrication of the highly loaded contact zones + permanent lubricating film on the tooth edges + no more/less greasing of gears than necessary + permanent corrosion protection at the open gear drives https://www.deutsche-windtechnik.com/onshore-service-maintenance-and-repair.html Service category:  Upgrades & Modification Windturbine brand:  Vestas Windturbine type:  V66 V80 V90
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      Vestas
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    • Kohlebürstenhalter ASR EVO I/II + PRVS für NM72c / NM82 / V82 / NM80 / NM92
      Services
      Supplementary part for the slipring at the generator roll flat spiral spring system with proven brush material. Cause of malfunction: Inefficient transit of the electrical signals through the slipring. target component: Holder and carbon brush slip ring system hub result advantages: + even brush pressure + higher signal and tension stability + protection of the ring + even wear and lifetime of the carbon brush + exchange interval of the brushes ≈ 3 1/2 years instead of ≈ 1 1/2 years https://www.deutsche-windtechnik.com/onshore-service-maintenance-and-repair.html Service category:  Upgrades & Modification Windturbine brand:  NEG Micon Vestas Windturbine type:  NM72 NM82 V82 NM80 NM92
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      Vestas, NEG Micon
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    • Entladeplatine Blindstromkompensation modification für Bonus windkraft anlage
      Services
      target component: discharge plate wattless current compensation facility (fixed compensation and/or „slowly” regular compensation) cause of malfunction: Stability of the original components too small, frequent thermal losses. Consequence: High load of the switchgears (contactors) and capacitors with shifting processes. The solution is a new design: Distribution of the voltage drop and power dissipation at 18 instead of 6 resistors result advantages: + long runtime of the switching devices (contactors) + long runtime of the capacitors https://www.deutsche-windtechnik.com/onshore-service-maintenance-and-repair.html Service category:  Upgrades & Modification Windturbine brand:  Bonus Windturbine type:  B37 B35
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      Bonus
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    • Pitch cylinder modification AN BONUS 2 MW/76
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      Eye screwed to piston rod side and additionally welded. High-quality chromed piston rod. Optimized sealing system. Cause of malfunction: Damage at the original part due to loosening of the „eyes” screwed to the piston rod. Further optimizing potential concerning service life. Result of advantages: Increased service life. https://www.deutsche-windtechnik.com/onshore-service-maintenance-and-repair.html Service category:  Upgrades & Modification Windturbine brand:  Bonus Windturbine type:  B76 Attachments:  dwts_retrofit_pitchzylinder_76_an_bonus.pdf
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      Bonus
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    • New Avid Extreme Inverter (AEI) modules for retrofitting the GE/Converteam deltas
      Services
      Avid Controls, Inc. is proud to announce our New Avid Extreme Inverter (AEI) modules for retrofitting the Converteam deltas (plug and play). Avid utilizes the reclaimed castings and passive components only after disassembly and complete remanufacturing, testing and validating as new condition. All necessary parts are replaced with new original GE components. Our added value is three (3) years of R&D, working with Semikron on special “rugged chip”, Sintered SKiiP4 technology and our patent pending moisture detector which mimics the characteristics of the moisture absorption and drying of these particular IGBTs.- With the SKiiP4 Sintered and rugged chip technology used in our AEI modules the IGBTs are less susceptible to moisture issues.- With the implementation of the Sintered technology, the thermal cycling delamination issue is solved.- Our interface board CIB (control interface board) which replaces the delta DIB (delta interface board) has a two (2) digit LED display which constantly monitors and displays IGBT junction temperatures, DC link voltage, AC output currents. The Avid AEI-APU, which is a more robust and trouble-free solution, replaces the existing SMPS (switch mode power supply).-We have had units operating with no failures and no down time with zero warm-ups or dry-outs necessary for over a year in both type 27 and type 28 SWP turbines.-The FINAL costs to retrofit do not exceed 10% over the costs of repairing the associated existing inverter modules and these retrofits come with a two (2) year warranty. See attachment to know more about the benefits of Avid AEI and APUs to replace existing deltas and SMPS, Please contact us for plant visits or if you have interest in a visit from our sales and technical team to discuss options and technical attributes. Service category:  Upgrades & Modification Attachments:  avid_controls_skiip4_intro_letter_renewables_2017_rev_ad.pdf
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