GB/T 7346-1998
Replaced
GB/Z 20833.5-2023
Active
National standards
GB/Z 20833.5-2023 Rotating electrical machines—The winding insulation—Part 5:Off-line measurement of partial discharge inception voltage under repetitive impulse voltage
GB/Z 20833.5-2023 Rotating electrical machines—The winding insulation—Part 5:Off-line measurement of partial discharge inception voltage under repetitive impulse voltage
Price:
$ 89
Basic Information
Standard Code:
GB/Z 20833.5-2023
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Rotating motor
ICS Name:
Rotating motor comprehensive
Publish Date:
2023-09-07
Implement Date:
2024-04-01
Pages:
37 pages
Scope
This document specifies the offline measurement method for the onset and extinction voltage of partial discharge in the winding insulation under repeated impulse voltage.
This document is applicable to rotating motors powered by voltage-type frequency converters.
Development Information
Referenced Standards
GB/T 23642-2017 Electrical insulating materials and systems—Electrical measurement of partial discharges(PD) under short rise time and repetitive voltage impulses
IEC 60034-27-1
IEC TS 61934
IEC TS 62478
Adopt standards
IEC TS 60034-27-5:2021
Related Standards
GB/T 4772.1-1999
Replaced
GB/T 4772.1-1999 Dimensions and output series for rotating electrical machines—Part 1:Frame numbers 56 to 400 and flange numbers 55 to 1080
GB/T 4772.2-1999
Active
GB/T 4772.2-1999 Dimensions and output series for rotating electrical machines— Part 2:Frame numbers 355 to 1000 and flange numbers 1180 to 2360
GB/T 4772.3-1999
Active
GB/T 4772.3-1999 Dimensions and output series for rotating electrical machines— Part 3:Samll built-in motors flange numbers BF10 to BF50
GB 10068-2000
Replaced
GB 10068-2000 Mechanical vibration of certain machines with shaft heights 56mm and higher—Measurement,evaluation and limits of vibration
GB/T 17948.1-2000
Replaced