Fundamental and Advanced Topics in Wind Power Part 13 ppt

... reactive power by the weak distribution grid. Fundamental and Advanced Topics in Wind Power 416 In Fig.26 the battery bank current is presented. The battery bank current increases rapidly, in ... measured voltage at the PCC. Fundamental and Advanced Topics in Wind Power 412 The membership functions of the input and the output are shown in Figs....

Ngày tải lên: 19/06/2014, 21:20

... obtained from orders@intechweb.org Fundamental and Advanced Topics in Wind Power, Edited by Rupp Carriveau p. cm. ISBN 978-953-307-508-2 Fundamental and Advanced Topics in Wind Power ...     ∞   2 (11 ) Defining the axial induction factor α as in Eqn 12   ∞    ∞ (12 ) gives Eqn 13 and 14 .     1  (13 )   ...

Ngày tải lên: 19/06/2014, 21:20

... 12 22 12 1 2 () () FSVVV SV V      (10)      2 12 2 12 12 22 121 2 1 4 1 4 PSVVV SV V V V SV V V V       (11) Fundamental and Advanced Topics in Wind Power ... wind speed upstream of the turbine V 1 and the downstream wind speed V 2 . Fundamental and Advanced Topics in Wind Power 22 2 12 .( )PSVVV...

Ngày tải lên: 19/06/2014, 21:20

... 1980 17 .4 15 19 0 .41 13 0.5886 2 .43 1 0.635 1981 14. 7 14. 7 20 0 .43 35 0.56 64 2.306 0.565 1982 13 .4 14. 3 21 0 .45 56 0. 544 3 2.1 94 0 .49 7 1983 13 14. 3 22 0 .47 78 0.5221 2.092 0 .43 1 19 84 14. 3 14 23 0.5 ... 0.5 0.5 2 0.366 1985 13 .4 14 24 0.5221 0 .47 78 1.915 0.303 1986 14. 3 14 25 0. 544 3 0 .45 56 1.837 0. 240 1987 14 14 26 0.56 64 0 .43 35 1.765 0.179...

Ngày tải lên: 19/06/2014, 21:20

... e Σα  T 11 T 12 T 21 T 22   U 10 P 10  . (47) 126 Fundamental and Advanced Topics in Wind Power Part 2 Structural and Electromechanical Elements of Wind Power Conversion Fundamental and Advanced Topics in Wind Power 112 Gumbel, ... rigid surface footing in the frequency domain: (a) displacements and rotations, and (b) forces and moments....

Ngày tải lên: 19/06/2014, 21:20

... surface footing in the time domain: (a) displacements and rotations, and (b) forces and moments. 150 Fundamental and Advanced Topics in Wind Power Efficient Modelling of Wind Turbine Foundations ... is discretized, utilising the symmetry of the problem. 164 Fundamental and Advanced Topics in Wind Power Efficient Modelling of Wind Turbine Foundations 37...

Ngày tải lên: 19/06/2014, 21:20

... TWT 1.65 /70 Spain 1.65 70 MTorres TWT 1.65 /77 Spain 1.65 77 MTorres TWT 1.65/82 Spain 1.65 82 Leitwind LTW 77 Italy 1.5 76 .6 Leitwind LTW86 Italy 1.5 86.3 Vensys 1.5 MW Germany 1.5 70 - 82 ... Advanced Topics in Wind Power 190 2. Gearbox issues background The insurance companies have displayed scrutiny in insuring wind power generation. The insurers joined the...

Ngày tải lên: 19/06/2014, 21:20

... important 2 28 Fundamental and Advanced Topics in Wind Power Monitoring and Damage Detection in Structural Parts of Wind Turbines 9 structural health is of practical interest. Furthermore, easy handling and ... operator (e.g. every 10 minutes). 211 Monitoring and Damage Detection in Structural Parts of Wind Turbines Fundamental and Advanced Topics in W...

Ngày tải lên: 19/06/2014, 21:20

... made by Oy Windside in Finland Fundamental and Advanced Topics in Wind Power 234 2. Vertical-axis wind turbine 2.1 Basic principle of vertical axis-machine Wind machine is a kind of energy ... Monitoring and Path Forward. The Shock and Vibration Digest, Vol. 35(6), pp. 451-463. 231 Monitoring and Damage Detection in Structural Parts of Wind Turbines Fund...

Ngày tải lên: 19/06/2014, 21:20

... November-December 2000. Fundamental and Advanced Topics in Wind Power 286 The following table gives the principal characteristics obtained with this rescaled concentrated winding generator. Characteristics ... with the wind turbine rotor blades, at the instant t=15seconds the wind turbine output power sees a sudden rise in its value before pitch controller st...

Ngày tải lên: 19/06/2014, 21:20

... the wind, wind turbines with gradually increasing power rating are preferred. The variable speed pitch regulated wind turbine is the most dominant wind turbine technology so far, since it achieves ... described below. Fundamental and Advanced Topics in Wind Power 302 nonlinear controllers using Kalman based wind speed observer were introduced by these author...

Ngày tải lên: 19/06/2014, 21:20

... simulated in a hardware -in- loop wind turbine simulator. 8.1 Description and parameters of the Windharvester wind turbine This wind turbine has a 3-bladed rotor and its drivetrain consists of a low ... 17. (a) Power and (b) torque coefficient curve of the rotor of the Windharvester wind turbine. 8.2 Dynamic analysis of the wind turbine The dynamics of the wind...

Ngày tải lên: 19/06/2014, 21:20

... manufacturers. Fundamental and Advanced Topics in Wind Power 356 Fig. 20. Operation of the WECS under step wind speed profile . Fundamental and Advanced Topics in Wind Power 354 ... is explained by considering the turbine power curves, as shown in Fig. 16. If the wind turbine initially operates at point A, the control system, using ro...

Ngày tải lên: 19/06/2014, 21:20

... there is a significant interaction term of PV size and wind turbine Fundamental and Advanced Topics in Wind Power 390 Since there is a response lying above the two input variables’ plane ... characteristics in creating random variables in a stochastic model. 3.2 Wind speed In order to measure the wind speed and the prevailing wind direction, a three-cup...

Ngày tải lên: 19/06/2014, 21:20

... that include the Aerodynamics and Environmental Loading of Wind Turbines, Structural and Electromechanical Elements of Wind Power Conversion, and Wind Turbine Control and System Integration. In ... wind speed V 2 . FUNDAMENTAL AND ADVANCED TOPICS IN WIND POWER Edited by Rupp Carriveau Aerodynamics of Wind Turbines 13 (63) By rearranging...

Ngày tải lên: 26/06/2014, 23:20