This standard specifies the online monitoring technology for wind turbine bolt pretightening force based on ultrasonic measurement. This standard applies to bolts from M6 to M64, with a clamping length of not less than 3d.
T/CEEMA 02002-2023 history
2023T/CEEMA 02002-2023 Technical Specification for On-line Monitoring of Bolts of Wind Turbine