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2009/10/23 CPHO/MIRDC 1 :

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Contents 2009/10/23 CPHO/MIRDC 2 u - Power performance measurements( IEC 61000-12-1) u - Noise level measurements (IEC 61000-4-11)

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2009/10/23 CPHO/MIRDC 3 Wind energy u Kinetic Energy = 0.5 x Mass x Velocity 2 Mass/sec (kg/s) = Velocity (m/s) x Area (m 2 ) x Density (kg/m 3 ) Power = 0.5 x Swept Area x Air Density x Velocity 3

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2009/10/23 CPHO/MIRDC 4

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wind turbine class 2009/10/23 CPHO/MIRDC 5 Class of wind turbine: Small wind turbine : rotor sweep area < 200

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Test standard of wind turbine uIEC 61400-1 (2007-03)3 u uIEC 61400-2 (2006-03)2 u uIEC 61400-11 (2006-11) 2.1 u uIEC 61400-12-1 (2005-12)2 u 2009/10/23 CPHO/MIRDC 6 IEC/TS 61400-13 (2001-06)1 IEC/TS 61400-14 (2005-03)1 IEC 61400-21 (2001-12)1 IEC/TS 61400-23 (2001-04)1 IEC/TR 61400-24 (2002-07)1

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Power performance measurements 2009/10/23 CPHO/MIRDC 7

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Wine turbine test site 2009/10/23 CPHO/MIRDC 8 Flat terrain Complex terrain

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Test site requirements: topographical variations 2009/10/23 CPHO/MIRDC 9

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Illustration of area to be assessed-1 2009/10/23 CPHO/MIRDC 10

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Illustration of area to be assessed - 2 2009/10/23 CPHO/MIRDC 11 the sectors to exclude when: a) the meteorological mast is in the wake of the wind turbine under test; b) the meteorological mast is in the wake of the neighbouring and operating wind turbine; c) the wind turbine is in the wake of the neighbouring and operating wind turbine; d) the meteorological mast is in the wake of the significant obstacle; e) the wind turbine is in the wake of the significant obstacle; f) all of the above effects a) to e) are combined.

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Find the right place for the met mast u None relevant obstacle u None neighbouring other u turbines u Flat area according to u the surrounding u Possibility of placement u of mast (e.g Permission of u the land owner, building u permission etc.) u Primary wind direction u Limit of the sector due to u the reference turbine 2009/10/23 CPHO/MIRDC 12

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2009/10/23 CPHO/MIRDC 13

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Installation of Anemometer on the mast-1 2009/10/23 CPHO/MIRDC 14

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Installation of Anemometer on the mast- 2 2009/10/23 CPHO/MIRDC 15

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Selection of anemometer (A, B and S) u Class S specify the limit refer to the site S u Class A