Problem b. Suppose an anemometer mounted at a height of 10 m with a 20-m/s average windspeed(i) Estimate the average wind power at a height of 10 m, assuming Rayleighstatistics and under the following weather conditions• 15°C(ii) Suppose a 1300-kW wind turbine with 60-m rotor diameter is located in thosewinds with speed computed in the first condition of part (i). Determine the annualenergy production with a 30% wind turbine efficiency(iii) Evaluate the wind turbine capacity factor

Answered: Image /qna-images/answer/78be1208-9dff-4bfa-885f-d2d3b72612f4.jpg

Answered: Problem b. Suppose an anemometer…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Similar questions

A synchronous generator can be represented by a voltage source of 1,7 p.u. in series with an impedance of 2 p.u., which are connected to an ideal voltage source of 1 p.u. Impedance of the synchronous generator has a X/R ratio of 10 and the angle difference between the two voltage sources is 30°. a) Calculate the active power generated by the generator. b) Calculate the active power supplied by the voltage source.
Sketch the load characteristic of a d.c. generator with (i) shunt (ii) series excitation. Give reasonsfor the particular shape in each case.The O.C.C. at 700 r.p.m. of a series generator with separately-excited field is as follows :Field current (A) : 20 40 50 60 75Armature e.m.f. (V) : 190 360 410 450 480Determine the current and terminal voltage as a self-excited series machine when running at 600 r.p.m.with a load of 6 Ω connected to the terminal. Resistance of armature and series winding is 0.3Ω. Ignore effectof armature reaction.
A 80 MVA synchronous generator has Xs = j8Ω. The generator is supplying itsrated power to an infinite bus at a voltage of 33KV and a power factor of 0.9lagging.Determine the following:a) The generator emf (E) and the power angle.b) The maximum power (Pmax) that the generator can supply and the armaturecurrent (Ia) in this case (i.e. when the power is maximum) and what is thepower factor?
How many poles should a 60-Hz generator have, if it is connected to a turbine operating undera design head of 3000 ft with a flow of 82 cubic feet per second? Assume turbine specific speedand efficiency of 3 rpm and 84% respectively.
Problem 1 A 2.1-MW Sulon S97 wind turbine has a cut-in wind speed uc = 3.5 m/s, rated wind speed u, = 11 m/s and a furling wind speed of uf = 20 m/s. If this machine is located in Rayleigh winds with an average wind speed of 7 m/s, find the following: a) How many hours per year is the wind below the cut-in wind speed? b) How many hours per year will the turbine be shut down due to excessive winds? How many kWh/yr will be generated when the machine is running at rated power? c)
Suppose two generators supplying a load. Generator-1 has a no-load frequency of 61.5 Hz and a slopesp1 of 1 MW/Hz. Generator-2 has a no-load frequency of 62 Hz and a slope sp2 of 1MW/Hz. The twogenerators are supplying a real load totaling 2.5 MW at 0.8 PF lagging. Draw the resulting systempower-frequency or house-diagrams. Determine (a) at what frequency is the system operating, andhow much power is supplied by each of the generators? (b) if an additional 0.75-MW load wereattached to this power system. What would the new system frequency be, and how much powerwould the each generator supply now? (c) with the system in the configuration described in part (b),what will the system frequency and generators power be if the governor set points on generator-1 areincreased by 0.5 Hz?

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