This page contains a Flash digital edition of a book.
INDUSTRY NEWS


UP SITE PRINCIPLE FOR MORE COMPACT WINDFARM LAYOUT


An existing windfarm in the county of Mansfeld- Südharz, near Halle in Germany, has been expanded by the introduction of four wind turbines (type eno 114) with a total rated output of 14 MW.


The new construction section in the community of Teutschenthal was fully completed recently and put into operation. Using the eno up.site principle ensured that the expansion of the existing, heterogeneous windfarm, formerly made up of ten wind turbines produced by different manufacturers, was an efficient process.


The initial plan for expanding the windfarm with other turbines would have caused turbulence difficulties in relation to the wind turbines already on-site. The decision to re-plan, using the eno 114 turbine on a 127.5 metre steel tower, provided the solution. The wind turbines actually came closer together due to the larger rotor blades.


REDUCED TURBULENCE Nevertheless, the turbulence-resistant design of the support structure and drive train components, as well as specially designed rotor blade aerodynamics, result in a reduction in the amount of turbulence induced in the windfarm. This means that the four eno 114 turbines, constructed in two construction phases, behave well together and within the windfarm network and deactivations are reduced to a minimum.


Stefan Bockholt, Technical Director at eno energy, considers the sophisticated development work for the 3.5 MW platform, with the aim of an optimised windfarm layout, to be confirmed. Stefan explained: “With every new project, we prove that we have an effective response to questions concerning future layouts of windfarms, which, more and more, include increases in density, border development, repowering, or locations with difficult wind conditions. Our short delivery time which currently stands at six to nine months, is another advantage to working with us.”


IMPROVED INTERACTION The eno up.site principle should help to improve how wind turbines interact in the windfarm network. “A more compact design, fewer deactivations and long- term higher yields make windfarms considerably more efficient,” adds Bockholt. “As regards expansion of the windfarm in Teutschenthal, peak values of around 80,000 kWh, or 22.83 full-load hours on a single day, as well as around 99.5 % monthly availability are already being reached with the eno 114.”


POTENTIAL


Even if the overall availability of all eno 114 turbine on average is still not quite reaching the high levels of the established eno 82 and eno 92 types, these values – as well as a first measured sound level of just 104.2 db(A) – show the enormous potential of the turbine.


eno energy


www.windenergynetwork.co.uk


11


Page 1  |  Page 2  |  Page 3  |  Page 4  |  Page 5  |  Page 6  |  Page 7  |  Page 8  |  Page 9  |  Page 10  |  Page 11  |  Page 12  |  Page 13  |  Page 14  |  Page 15  |  Page 16  |  Page 17  |  Page 18  |  Page 19  |  Page 20  |  Page 21  |  Page 22  |  Page 23  |  Page 24  |  Page 25  |  Page 26  |  Page 27  |  Page 28  |  Page 29  |  Page 30  |  Page 31  |  Page 32  |  Page 33  |  Page 34  |  Page 35  |  Page 36  |  Page 37  |  Page 38  |  Page 39  |  Page 40  |  Page 41  |  Page 42  |  Page 43  |  Page 44  |  Page 45  |  Page 46  |  Page 47  |  Page 48  |  Page 49  |  Page 50  |  Page 51  |  Page 52  |  Page 53  |  Page 54  |  Page 55  |  Page 56  |  Page 57  |  Page 58  |  Page 59  |  Page 60  |  Page 61  |  Page 62  |  Page 63  |  Page 64  |  Page 65  |  Page 66  |  Page 67  |  Page 68  |  Page 69  |  Page 70  |  Page 71  |  Page 72  |  Page 73  |  Page 74  |  Page 75  |  Page 76  |  Page 77  |  Page 78  |  Page 79  |  Page 80  |  Page 81  |  Page 82  |  Page 83  |  Page 84  |  Page 85  |  Page 86  |  Page 87  |  Page 88  |  Page 89  |  Page 90  |  Page 91  |  Page 92  |  Page 93  |  Page 94  |  Page 95  |  Page 96  |  Page 97  |  Page 98  |  Page 99  |  Page 100