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IEC 62256 ED3

Hydraulic turbines, storage pumps and pump-turbines - Rehabilitation and performance improvement

General information

30.99   CD approved for registration as DIS   Jul 25, 2025

TCDV    Aug 1, 2025

IEC

TC 4

International Standard

27.140   Hydraulic energy engineering

Life cycle

PREVIOUSLY

PUBLISHED
IEC 62256:2017 ED2

NOW

IN_DEVELOPMENT
IEC 62256 ED3
30.99 CD approved for registration as DIS
Jul 25, 2025