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