Yaw & Pitch Selection Guide Brochure

Yaw & Pitch Selection Guide Brochure

Contents 1. NGC StanGear Introduction... 01 2. General description... 0 6. Parameters... 10 6.1 Yaw Drive...10 2.1 Applied Standards...0 6.2 Pitch Drive...11 2.2 Features...0 7. Overall Dimensions... 12 2. Important Notes...0 7.1 Yaw Drive...12 2.4 Symbol description...04 7.2 Pitch Drive...1 2.5 supply scope specification...04. Basic Model Description... 05.1 description...05.2 Model Number Description...06 4. Model Selection... 07 4.1 Selection Method...07 4.2 Selection Sample...08 5. Application Scope... 09 5.1 Yaw Drive...09 5.2 Pitch Drive...09

1NGC StanGear Introduction NGC StanGearI ntroduction 1 What is NGC StanGear? Wind turbine market situation NGC StanGear is a serialized product platform for wind main gearbox and pitch & yaw drives from which the wind turbine manufacturers can choose the appropriate existing products from the catalog to match their needs. NGC StanGear series products classed into StanGear series and semistangear series. StanGear series products are completely compliance with the contents of 6th and 7th chapter. SemiStanGear series products define the gearbox's ratio, install dimensions or output pinion's teeth number are not compliance with the content of 7th chapter. How is NGC StanGear generated? Up until now, the wind gearboxes are mainly designed according to the turbine manufacturers's specifications. It leads to a big diversity of the gearboxes in the wind farms, long new product development period, rigid cost structure due to limited scale and reliability risk due to the new design. Based on its big database and reliability study by 50,000 main gearboxes and over 00,000 pitch and yaw drives delivered worldwide, as well as the diversified field applications, NGC has developed the NGC StanGear platform by modularization and standardization of the layout structure, components and materials. What are the customer's value of NGC StanGear? Lower cost of new product development Power/MW 7 6 5 4 2.5 2 1.5 600 1,100 1,600 2,100 2,600,100,600 4,100 4,600 5,100 5,600 5,100 5,600 7,100 7,600 8,100 8,600 Gearbox delivered by NGC Nominal Torque/kNm 1 Shorter time for new product to market Higher reliability 数量 / 台 5,000 0,000,000 Larger scale effect Optimized service How to use the NGC StanGear by turbine manufacturers? 25,000 20,000 15,000 10,000 5,000 5,200 11,000 1,700 According to NGC StanGear catalog and the turbine specifications, the turbine designers choose either an exactly same gearbox item or the closest one for the minimum modifications. The turbine designers should be Main Gearbox 0 <1 12 2 Power/MW ready to adjust the turbine design to a limited extend so as to realize the maximum benefit for the whole turbine drive train. Where do I get the detailed information of NGC StanGear? Please approach NGC engineers. Yaw Drive Quantity/unit Quantity/unit 70,000 61,000 60,000 47,000 50,000 4,000 50,000 41,000 4,000 40,000 40,000 0,000 0,000 27,000 25,000 20,000 10,000 0 20,000 10,000 0 14,000 <5 5070 70110 110270 <20 200 040 40120 Extreme torque/knm Extreme torque/knm Pitch Gearbox 01 02

2 General description Applied Standards \ Features \ Important Notes General description Symbol description \ Supply scope specification 2 2.1 Applied Standards NGC StanGearTM is developed in accordance with GL2010 and GL2012 Gear accuracy refers to the cylindrical gear accuracy in accordance with ISO 1281995 Gear hardness is determined by the load capacity of spur and bevel gears in accordance with ISO 66 2006 The quality of materials and heat treatment is determined by the load capacity of spur and bevel gears in accordance with ISO 665:200,Part 5: Hardness and Quality of Materials The efficiency of a wind turbine is main dependent on an optimal blade position to suit the respective wind force.,spt series gearbox are used for adjusting the blades This kind of gearbox include three planetary stages((if necessary, two planet gear stages plus bevel gear stage is also ok) and an output pinion operate and maintain the gearbox please according to the instruction 2.4 Symbol description Symbols used in dimension drawings: 2.2 Features Brandnew NGC StanGearTM platform for Yaw and Pitch Gearboxes Modular design, less spare part variants. High density, low weight Oil level gauge= Oil Oil level glass Oil drainage= Oil Oil drainage High reliability Advanced design tools including 2D, D drawings tools Optimized sealing design Oil Advanced design software Breather= Oil filler= Short lead time thanks to modular and standard design Customized interfaces according to customers'requirements Breather Oil filler 2 2. Important Notes The products and drawings shown here are simply examples with no binding force. Please refer to operation manual for further information about lubrication. Viscosity and types of lubricants should meet the requirements described in operation manual or nameplate. Oil outlet= Oil Visual inspection Opening = Rotating parts should be protected from touch. Please observe related local laws and regulations about safety and security. Oil outlet Visual inspection opening You may adjust lubricant amount, sealing, surface protection and other gearboxes performance according to different applications. Please contact NGC, in the case user needs to do design according to IEC 61400. SYW SPT series planegary gearbox are readyto install products and equipped with oil filling. The surfaces of mounted flanges, shaft ends and attachment faces are protected with Tectyl antirust oil. SYW includes a compact planetary stages,configure with output pinion and electricalal motor The planetary gearbox include four planetary stages(if necessary, five planetary stages or bevel gear stages are OK),Which provides high transmission ratio for high sensitive rotational movement The steadily increasing size of the nacelles calls for enen higher torque rates.this can be achieved by arranging a certain number of drives spaced around the yaw bearing. Presently, up to 16 gearboxes may be employed for the yaw control system. Oil inlet= Oil Lifting= Oil inlet Lifting 2.5 Supply scope specification For Yaw drive, the electricalal motor will be also included in the scope of supply. For Pitch drive gearbox, ifthere are special request, the electric motor may be included in the scope of supply. 0 04

description Basic Model Description Basic Model Description Model Number Description.1 description.2 Model Number Description SPT 05 C K 115 T P + F I 01 code specification sample drawing Consecutive number C coaxial Application Conditions I = Inland O = Offshore Altitude F = Flatland (altitude < 2000m) H = Highland (altitude > 2000m) Structure types R Rectangular axes of Output Connection P = Pinion S = Internal Spline Three stages Installation Structure T = Top Flange L = Lower Flange Nominal ratio i NO. of Planetary Stages 4 Four stages of Input connection K = Key S = Internal Spline Number of Planetary Stages = Planetary Stages 4 = 4 Planetary Stages 5 = 5 Planetary Stages 5 Five stages Structure C = Coaxial R = Right Angle Shaft K key Platform 01, 0, 05 1 Input connection types SPT= Pitch drive SYW = Yaw drive S spline P pinion Output connection types S spline 05 06

4Selection Method Model Selection 4 Selection Sample Model Selection 4.1 Selection Method Step 1: Defining original inputs (1) Operation condition Ambient temperature (Max.), operating temperature(inside nacelle) Altitude m, Location (onshore/offshore) Environmental condition (normal/dusty/ humidity) (2) Gearbox parameters Peak torque T knm Input Speed n1= rpm, output speed n2= rpm; Structure (coaxial/orthogonal axes); series number of planet gear train (/4/5) Connection type of motor (parallel key/involute spline) Assembly type of reducer (up flange/ down flange) Output connection type (gears/ involute internal spline) Required ratio i= n1/n2= ; Step 2: Primary type selections according to peak torque Tpeak of NGC StanGears is calculated according to the GL. Gearboxes for primary selections should meet following prerequisites, Tstatic Tpeak Tstatic Required max static torque for gearbox, knm Tpeak Peak torque in specific platform, knm, details in 6.1 &6.2 of operation manual Make primary selections according to the above method. Step : Checking and revising the selections Detailed load documents shall be provided to NGC for calculating and checking whether the selected gearboxes meet the requirements. If unmatched, NGC will recommend a bigger / smaller platform. 4.2 Selection Sample Step 1: Defining original inputs (2) Ambient temperature(highest) 40 +50 operating temperature(inside nacelle) 0 +60 Altitude 2000m, Location onshore (onshore/offshore) Environmental condition normal (normal/dusty/ humidity) (2) Gearbox parameters Peak torque T= 140.85 knm Input Speed n1= 960 rpm, output speed n2= 0.828 rpm; Form of structure coaxial (coaxial/orthogonal axes); series number of planet gear train 4 (/4/5) Connection type of motor parallel key (parallel key/involute spline) Assembly type of gearbox up flange (up flange/ down flange) Output connection pinion 22 x 1 x 0.5 x 165 (gears/ involute internal spline) Required ratio i= n1/n2= 1159.4; Step 2: Primary type selections according to peak torque According to customer's requirements and information in sample manual, SYW07 is recommended. Tstatic=140.85 Tpeak=142 Ratio=1158, and tolerance is acceptable. Step : Check the Gearbox and Revise NGC calculates according to customer s load information, SYW07 can be applied. Step 4: Finalize the selection documents of Gearbox: SYW07C4K1158TP+FI01 Peaktorque: 140.85KNm Ratio: 1158 4 Step 4: Finalizing the selection documents of Gearbox Peaktorque Ratio 07 08

Application Scope 5Yaw Drive \ Pitch Drive Parameters Yaw Drive 6 Our products can be applied to below WTGs according to the statistical analysis of NGC's supply and investigation on requirements of wind energy marketing. 5.1 Yaw Drive 6.1 Yaw Drive SYW 01 Nominal Torque Nm Peak Static Torque Tpeak KNm 1 Preferred ratio i 2 No. of Planetary stages Available Pinion Module mn 4 Weight Kg 5 52 965 111 4 12~20 410 Windmill Size MW Taw Drive Number Gearbox & Max. Static Torque electrical Motor & Power From 1 to 1.5 4 SYW01 ~ SYW05 YEJ 100 ~ 12 52 ~ 108 KNm 2.2 ~.7 kw From 1.5 to 2 4 ~ 6 SYW0~ SYW09 YEJ 100 ~ 12 72 ~ 185 KNm 2.2 ~ 5.5 kw From 2 to 4 ~ 8 SYW0~ SYW11 YEJ 112 ~ 12 72 ~ 25 KNm 2.2 ~ 5.5 kw From to 4 4 ~ 8 SYW07~ SYW11 YEJ 112 ~ 12 142 ~ 25 KNm ~ 7.5 kw From 4 to 5 6 ~ 8 SYW07~ SYW1 YEJ 12 ~ 160 142 ~ 270 KNm 4 ~ 9 kw From 5 to 7 6 ~ 16 SYW09~ SYW1 YEJ 12 ~ 180 185 ~ 270 KNm 6 ~ 15 kw 5.2 Pitch Drive Windmill Size MW Taw Drive Number Gearbox & Max. Static Torque electrical Motor & Power SYW 0 The value 72 1056 125 1444 150 4 14~20 500 shall be SYW 05 defined 108 122 108 141 1489 1744 2126 4 16~25 600 by LDD SYW 07 and 142 1085 1158 129 145 151 1775 4 18~25 640 lifetime SYW 09 required 185 105 1175 1257 172 1428 1668 2027 4 22~28 860 of SYW 11 customer 25 1046 121 17 1458 1592 1650 191 2299 4 22~0 110 SYW 1 270 112 112 1485 1576 172 1784 2070 2487 4 22~6 140 Notes: 1. Peak static torque, it shall meet requirements of GL guideline in according with ISO 66; For surface durability, the permissible meshing times shall 10 5 ; For tooth bending strength, the permissible meshing times shall 10 ; From 1 to 1.5 From 1.5 to 2 SPT01 ~ SPT0 18 ~ 26 KNm SPT01 ~ SPT05 18 ~ 8 KNm 2. Please contact NGC directly if you have other ratio requirements; The range of ratio should be ± (1.5 ~ ) %;. If necessary, it can also be 5 planet gear stages; From 2 to From to 4 From 4 to 5 SPT01 ~ SPT09 18 ~ 65 KNm SPT05 ~ SPT09 8 ~ 65 KNm SPT07 ~ SPT11 48 ~ 95 KNm 4. Normally, this value shall be in accordance with the standard series defined in ISO 54. Please contact NGC if you have special demands; 5. Nominal weight value, t can be deviated due to different output pinions and interface dimensions; From 5 to 7 SPT09~ SPT1 65 ~ 120 KNm 6 09 10

Parameters 6Pitch Drive Overall Dimensions Yaw Drive 7 6.2 变桨驱动 7.1 Yaw Drive SPT 01 Nominal Torque Nm Peak Static Torque Tpeak KNm 1 Preferred ratio i 2 No. of Planetary stages Available Pinion Module mn 4 Weight Kg 5 18 122 18 159 191 10~14 160 SPT 0 SPT 05 SPT 07 SPT 09 SPT 11 The value shall be defined by LDD and lifetime required of customer 26 8 48 65 95 108 121 19 165 140 162 172 194 224 12 141 167 191 225 106 119 16 161 175 194 217 125 141 164 196 12~16 12~20 12~20 14~20 16~20 205 20 70 420 50 SPT 1 120 118 1 154 185 18~25 570 Remark: Yis electrical motor, further details will be provided on request. X is output pinion, and can be configured according to (module, number of teeth, tooth width etc.) customer's yaw bearing. Data in the following table are only for selection, not corresponding to the maximum torque of each platform. The data are only for reference, if you need more detail information please contact NGC f. Notes: 1. Peak static torque, it shall meet requirements of GL guideline in according with ISO 66; For surface durability, the permissible meshing times shall 10 5 ; For tooth bending strength, the permissible meshing times shall 10 ; Installation Structure L Installation Structure T 2. Please contact NGC directly if you have other ratio requirements; The range of ratio should be ± (1.5 ~ 2) %; Installation Structure D1 D2 D D4 D5 D6 R. If necessary, it can also be 2 planet gear stages plus one bevel gear stage; 4. Normally, this value shall be in accordance with the standard series defined in ISO 54. Please contact NGC if you have special demands; 5. Nominal weight value, can be deviated due to different output pinions and interface dimensions; SYW 01 L Φ400 Φ445 Φ490 24Φ22 Φ66 0.8 SYW 0 T Φ425 Φ460 Φ500 Φ0 18Φ20 Φ418 1.6 SYW 05 L Φ410 Φ450 Φ490 24Φ22 Φ424 1.6 SYW 05 T Φ425 Φ470 Φ510 Φ400 0Φ20 Φ424 1.6 SYW 07 T Φ95 Φ45 Φ485 Φ9 24Φ26 Φ450 2 SYW 09 L Φ40 Φ495 Φ545 28Φ26 Φ495 2 SYW 11 L Φ555 Φ600 Φ650 2Φ0 Φ560 2 SYW 1 L Φ555 Φ60 Φ680 2Φ0 Φ57 2 Installation Structure L1 L 2 L L 4 L 5 A Pinion Parameter mn x z x x x b SYW 01 L 71 645.5 25 7 1.5 18 x 14 x 0.5 x 10 SYW 0 T 50 455 15 40 75 2 18 x 14 x 0.5 x 125 7 SYW 05 L 125 74 25 7 2.5 20 x 14 x 0.5 x 180 SYW 05 T 48 505 15 40 71 2.5 25 x 12 x 0.5 x 170 SYW 07 T 115 676 21.5 50 41 1.5 22 x 1 x 0.5 x 165 SYW 09 L 76 915 48 50 2.5 25 x 12 x 0.5 x 220 SYW 11 L 97 90 67.5 52.5 2.5 24 x 14 x 0.5 x 205 SYW 1 L 160 885 70 70 2.5 25 x 14 x 0.5 x 245 11 12

7Pitch Drive Overall Dimensions 7.2 Pitch Drive Remark: X is output pinion, and can be configured according to (module, number of teeth, tooth width etc.) customer s yaw bearing. Data in the following table are only for selection, not corresponding to the maximum torque of each platform. The data are only for reference, if you need more detail information please contact NGC. Installation Structure L Installation Structure T Installation structure D1 D2 D D4 D5 D6 R SPT 01 L Φ220 Φ250 Φ280 12Φ17.5 Φ1 2 SPT 0 L Φ250 Φ20 Φ60 24Φ17.5 Φ27 1 SPT 05 T Φ50 Φ80 Φ420 Φ00 20Φ17.5 Φ45 1.6 SPT 07 L Φ400 Φ445 Φ490 24Φ22 Φ66 0.8 SPT 09 T Φ425 Φ460 Φ500 Φ0 18Φ20 Φ418 1.6 SPT 11 L Φ410 Φ450 Φ490 24Φ22 Φ424 1.6 SPT 11 T Φ425 Φ470 Φ510 Φ400 0Φ20 Φ424 1.6 SPT 1 T Φ95 Φ45 Φ485 Φ9 24Φ26 Φ450 2 Installation structure L1 L 2 L L 4 L 5 A Pinion Parameter m n x z x x x b SPT 01 L 67.5 477 21 25 1 12 x 15 x 0.5 x 110 SPT 0 L 10 452 15 5 1.5 12 x 15 x 0.5 x 10 SPT 05 T 08.5 52.5 20 0 5 1.5 16 x 15 x 0.5 x 19 SPT 07 L 71 61 25 7 1.5 18 x 14 x 0.5 x 10 SPT 09 T 50 495 15 40 75 2 18 x 14 x 0.5 x 125 SPT 11 L 125 710 25 7 2.5 20 x 14 x 0.5 x 180 Note: If you not find the exactly products you need, please contact NGC's salesman. SPT 11 T 48 472 15 40 71 2.5 25 x 12 x 0.5 x 170 SPT 1 T 115 676 21.5 50 41 1.5 22 x 1 x 0.5 x 165 1

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