Reasons for wind turbine generator failures: a multi-criteria approach for sustainable power production

Sustainable Energy Research

Table 2 Pairwise comparison of errors with respect to each criterion in wind farm cluster

Error group	OSFE	TMFE	RSRE	DBTE	FGSE	Weight
Impact of error removal on adoption of technology (IETP)
OSFE	1	1	1.17	2.22	5.88	0.300
TMFE	1	1	0.74	0.65	1.03	0.170
RSRE	0.85	1.35	1	4.00	3.57	0.300
DBTE	0.45	1.52	0.25	1	0.78	0.127
FGSE	0.17	0.97	0.28	1.28	1	0.103
Financial difficulty in error removal (FDER)
OSFE	1	4	5.88	7.14	833	0.550
TMFE	0.25	1	2.22	1.28	5.56	0.170
RSRE	0.17	0.45	1	1.53	7.14	0.130
DBTE	0.14	0.78	0.65	1	7.69	0.120
FGSE	0.12	0.18	0.14	0.13	1	0.030
Impact of error removal on techno-economic performance (IETP)
OSFE	1	3.84	1.92	0.99	3.84	0.340
TMFE	0.26	1	2.94	1.00	5.55	0.240
RSRE	0.52	0.34	1	0.67	1.92	0.130
DBTE	1.01	1.00	1.48	1	3.12	0.230
FGSE	0.26	0.18	0.52	0.32	1	0.060
Impact of error removal on socioeconomic benefits (IREB)
OSFE	1	6.25	5.88	1.19	5.88	0.440
TMFE	0.16	1	1.69	0.84	6.66	0.160
RSRE	0.17	0.59	1	0.52	5.26	0.120
DBTE	0.84	1.19	1.89	1	7.14	0.240
FGSE	0.17	0.15	0.19	0.14	1	0.040

Composite weight of the errors
Error group	TETP	FDER	TETP	TREB	Composite weight	Rank
OSFE	(030) (0.09) + (055) (0.16) + (034) (050) + (0.44) (025)				0.40	1
TMFE	(0.17) (0.09) + (0.17) (0.16) + (024) (050) + (0.16) (025)				0.20	3
RSRE	(030) (0.09) + (0.13) (0.16) + (0.13) (050) + (0.12) (025)				0.14	4
DBTE	(0.13) (0.09) + 0.12) (0.16) + (0.23) (050) + (0.24) (025)				0.21	2
FGSE	(0.10) (0.09) + (0.03) (0.16) + (0.06) (0.50) + (0.04) (0.25)				0.05	5