Wind Power in Power Systems

64 Generators and Power Electronics
Table 4.4 (continued)
Turbine, by
manufacturer
Concept a
Power and speed
control features
Nordex, Germany:
N80, 2.5 MW Type C1 Pitch Limited
variable speed
S77, 1.5 MW Type C1 Pitch Limited
variable speed
Made, Spain:
Made AE-90, 2 MW Type D1 Pitch Full
variable speed
Comments
WRIG (DFIG concept)
Generator voltage: 660 V
Generator speed range: 700–1300 rpm
Rotor speed range: 10.9–19.1 rpm
WRIG (DFIG concept)
Generator voltage: 690 V
Generator speed range: 1000–1800 rpm
Rotor speed range: 9.9–17.3 rpm
WRSG Generator voltage: 1000 V
Generator speed range: 747–1495 rpm
Rotor speed range: 7.4–14.8 rpm
Made AE-61, 1.32 MW Type A0 Stall Fixed speed SCIG Generator voltage: 690 V
Two generator speeds: 1010 rpm and
1519 rpm
Two rotor speeds: 12.5 rpm and 18.8 rpm
Repower, Germany:
MM 82, 2 MW Type C1 Pitch Limited
variable speed
MD 77, 1.5 MW Type C1 Pitch Limited
variable speed
Ecotecnia, Spain:
Ecotecnia 74, 1.67 MW Type C1 Pitch Limited
variable speed
WRIG (DFIG concept)
Generator voltage: 690 V
Generator speed range: 900–1800 rpm
Rotor speed range: 10–20 rpm
WRIG (DFIG concept)
Generator voltage: 690 V
Generator speed range: 1000–1800 rpm
Rotor speed range: 9.6–17.3 rpm
WRIG (DFIG concept)
Generator voltage: 690 V
Generator speed range: 1000–1950 rpm
Rotor speed range: 10–19 rpm
Ecotecnia 62, 1.25 MW Type A0 Stall Fixed speed SCIG Generator voltage: 690 V
Two generator speeds: 1012 rpm and
1518 rpm
Two rotor speeds: 12.4 rpm and 18.6 rpm
a For definitions of concept types, see Table 4.1 and Section 4.2.3 in text.
the results, which show that the capacity installed by these 13 suppliers in each year
corresponds to more than 90 % of the total capacity installed during these years. This
makes this analysis highly credible. These data cover approximately 76 % of the accumulated
worldwide capacity installed at the end of 2002. They are therefore very
comprehensive and illustrative.
Table 4.5 presents a detailed overview of the market share of each wind turbine concept
from 1998 to 2002. It becomes obvious that the market share of the fixed-speed wind turbine
concept (Type A) decreased during this period, with the DFIG concept (Type C) becoming
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