EP4-Platform: E-126 EP4 / E-141 EP4 Arno Hildebrand, Programm Manager EP4 ENERCON Research & Development 1
THE NEW ENERCON 4 MW PLATFORM E-126 EP4 INTELLIGENT ADVANCEMENT OF PROVEN TECHNOLOGY SMART. EFFICIENT. POWERFUL. 2
THE NEW ENERCON 4 MW PLATFORM E-126 EP4 RATED POWER: 4.200 kw ROTOR DIAMETER: 127 m IEC WIND CLASS: Ia / IIa DIBt: WZ 3 and 4, GK I & II PROTOTYPE: Q1/2016 HUB HEIGHTS: 99 m, 135 m, 159 m MAX. SOUND POWER LEVEL: 105 db(a) LIFETIME: 30 Years 3
THE NEW ENERCON 4 MW PLATFORM: E-126 EP4 YIELD Yield in MWh Optimized aerodynamic design for 18.000 medium wind speed sites Yield-optimized rated power High efficiency from the blade tip to the connection with the grid 16.000 14.800 MWh 14.000 12.000 10.000 6,5 7 7,5 8 Mean Wind Speed in m/s 8,5 4
THE NEW ENERCON 4 MW PLATFORM: E-126 EP4 ROTOR BLADE Innovative aerodynamic design for more efficiency Trailing Edge Serrations for low noise emission Yield-optimized Flat-Back-Profile Outstanding lightning protection Separated blade - optimised for production, logistics and installation 5
E-126 EP4: ROTOR BLADE - AERODYNAMIC NEW PROFILE FAMILY Slim Profiles Significant Load Reduction Yield optimized Flat-Back-Profiles Verified against pollution effects E-126: CONVENTIONAL DESIGN E-126 EP4: NEW DESIGN 6
E-126 EP4: ROTOR BLADE - STRUCTURAL DESIGN SEPARATED BLADE Established for E-115 Design Optimised for production, logistics and installation 7
E-126 EP4: ROTOR BLADE - STRUCTUR STRUCTURAL VERIFICATION Extreme and dynamic load validation 8
E-126 EP4: ROTOR BLADE - AEROACOUSTICS TRAILING EDGE SERRATIONS Significant reduction of Sound Power Level validated (-2 db(a)) Max. Sound Power Level: 105 db(a) Standard for all EP4 turbines 9
THE NEW ENERCON 4 MW PLATFORM: E-126 EP4 NACELLE Proven mechanical as well as structural concept Production and installation according to EP3 High quality cast components Simplified transport and installation 10
E-126 EP4: NACELLE HORIZONTAL SPLIT NACELLE Established mechanical concept High part of factory - pre assembling More flexibility for applied cranes TRANSPORT GENERATOR TRANSPORT MAIN CARRIER TRANSPORT ROTORHUB 11
E-126 EP4: NACELLE - ROTOR HEAD Best possible main bearing configuration Powertrain with high stability of air gap All components accessible for excellent maintainability 12
E-126 EP4: NACELLE - ROTOR HEAD Best possible main bearing configuration Powertrain with high stability of air gap All components accessible for excellent maintainability Blade adapter and hub adapter as one electromechanical unit 13 13
THE NEW ENERCON 4 MW PLATFORM: E-126 EP4 GENERATOR Fully new design for maximum running smoothness Highly efficient and long lasting Advanced cooling concept 14
E-126 EP4: GENERATOR - EFFICIENT AND LONG LASTING SYNCHRONOUS GENERATOR No rare earth dependency No wear, no degradation Air gap: 7500 mm Rotor and stator separated for optimized production and logistics 15
THE NEW ENERCON 4 MW PLATFORM: E-126 EP4 TOWER Flexibility of the production chain Very high towers with available cranes Ensuring worldwide availability Globally uniform quality standards through our own production facilities Flexible tower design 16
THE NEW ENERCON 4 MW PLATFORM: E-126 EP4 GRID INTEGRATION E-Module: design optimized for maintenance and transport New FACTS capabilities ahead of worldwide standards 17
THE NEW ENERCON 4 MW PLATFORM: E-126 EP4 SERVICE TODAY: 300 H - SERVICE Reduced machine downtime Increased lifetime Reduced effort for maintenance EP4 APPROACH Process optimized electrical and mechanical commissioning of WEC 1x / Year: Combined electrical and mechanical service 1x / Year: visual check, greasing service 18
THE NEW ENERCON 4 MW PLATFORM: E-126 EP4 CERTIFICATION Type Certificate acc. to IEC 61400-22 REPORT 135 M HH 99 M HH Design Base Load assumptions Rotor blade Mechanical engineering Electrical engineering Tower 12/2016 Control and Safety System Manuals Personal Safety Design Assessment; SoC ok Q1 / 2017 Type Certificate 04 / 2017 04 / 2017 19
THE NEW ENERCON 4 MW PLATFORM: STATUS OF PROTOTYPES FIRST E-126 EP4 COMMISSIONING Match input parameters Put together commissioning team 1st step: max. 500 kw Analyse and record measured values APPROVAL REPORT Pitch rate Load Control Control curve Overspeed etc. 2nd step: max. 1000 kw Analyse and record measured values APPROVAL REPORT ABORT! Specify required measuring technology 9th step: max. 4200 kw Analyse and record measured values APPROVAL REPORT 20
THE NEW ENERCON 4 MW PLATFORM: STATUS OF PROTOTYPES OPTIONS ON SITES Load measurement Power curve measurement Power quality Operation control and generator trials (temperature) 21
THE NEW ENERCON 4 MW PLATFORM: STATUS OF PROTOTYPES SOUND MEASUREMENT 22
THE NEW ENERCON 4 MW PLATFORM: E-126 EP4 OVERVIEW YIELD 14,800 MWh @ v ave = 7,5 m/s Same Rated Power @ OM 0, 1 and 2: 4.2 MW NOISE Max. Sound Power Level: 105 db(a) Quiet running generator ECONOMIC EFFICIENCY Production and installation as EP3 Lifetime 30 years Steel tower for 99m hub height E-126 EP4 PROTOTYPE IN HUSUM 23
THE NEW ENERCON 4 MW PLATFORM E-141 EP4 INTELLIGENT ADVANCEMENT OF PROVEN TECHNOLOGY SMART. EFFICIENT. SILENT. + FOR LOW WIND SITES 24
THE NEW ENERCON 4 MW PLATFORM E-141 EP4 RATED POWER: 4.200 kw ROTOR DIAMETER: 141 m IEC WIND CLASS: IIa / IIIa PROTOTYPE: Q12 / 2016 HUB HEIGHTS: 99 m, 129 m, 135 m, 159 m MAX. SOUND POWER LEVEL: 105,5 db(a) LIFETIME: 30 Years FIRST E-141 EP4 PROTOTYPE 25
THE NEW ENERCON 4 MW PLATFORM: E-141 EP4 ROTOR BLADE Newly designed for maximum yield at low wind speeds Further improved protection against erosion - Impact Absorption Layer (IAL) - FIRST ROTOR BLADE SET FOR E-141 EP4 PROTOTYPE 26
THE NEW ENERCON 4 MW PLATFORM: E-141 EP4 CERTIFICATION Type Certificate acc. to IEC 61400-22 REPORT Design Base Load assumptions 129 M HH Rotor blade Q4 / 2016 Mechanical engineering Electrical engineering Tower Control and Safety System Manuals Personal Safety Design Assessment; SoC Q1 / 2017 Type Certificate 04 / 2018 27
THE NEW ENERCON 4 MW PLATFORM: E-141 EP4 OVERVIEW YIELD 13,000 MWh @ v ave = 6,5 m/s NOISE Max. Sound Power Level: 105,5 db(a) ECONOMIC EFFICIENCY Lifetime 30 years 28
Thank you for your attention! ENERCON GmbH Dreekamp 5 D-26605 Aurich Telefon: +49 4941 927-0 Fax: +49 4941 927-109 29