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11-22 Nov 2024: Follow ISO at COP29
Under publication
IEC 61400-4
Wind energy generation systems — Part 4: Design requirements for wind turbine gearboxes
Reference number
IEC 61400-4
Edition 2
© ISO 2024
Under publication
IEC 61400-4
81370
ICS
21
21.200
IEC 61400-4
Wind energy generation systems
Part 4: Design requirements for wind turbine gearboxes
Under publication
Final production steps (up to seven weeks).
Will replace
IEC 61400-4:2012
General information
Status
:
Under development
Stage
: International Standard under publication [
60.00
]
Edition
: 2
Technical Committee :
ISO/TC 60
ICS
:
21.200
27.180
RSS
updates
Life cycle
Previously
Published
IEC 61400-4:2012
Now
Under development
IEC 61400-4
Stage:
60.00
(Under publication)
00
Preliminary
10
Proposal
10.99
2020-06-24
New project approved
20
Preparatory
20.00
2020-06-24
New project registered in TC/SC work programme
30
Committee
30.00
2021-09-08
Committee draft (CD) registered
30.20
2021-09-09
CD consultation initiated
30.60
2021-11-21
Close of comment period
30.99
2023-08-11
CD approved for registration as DIS
40
Enquiry
40.00
2023-08-16
DIS registered
40.20
2023-09-22
DIS ballot initiated: 12 weeks
40.60
2023-12-16
Close of voting
40.99
2024-07-11
Full report circulated: DIS approved for registration as FDIS
50
Approval
60
Publication
60.00
2024-07-11
International Standard under publication
60.60
International Standard published
90
Review
95
Withdrawal
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