GB/T 7346-1998
Replaced
T/CEC 457-2021
Active
Group standards
T/CEC 457-2021 High-voltage direct current transmission regulation for inspection and maintenance of cooling water system and chemical inspection guidelines
T/CEC 457-2021 High-voltage direct current transmission regulation for inspection and maintenance of cooling water system and chemical inspection guidelines
Price:
$ 20.00
Basic Information
Standard Code:
T/CEC 457-2021
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
Rotating motor comprehensive
Publish Date:
2021-04-23
Implement Date:
2021-09-01
Scope
This document describes the content and methods of chemical inspection for the cooling water system of high-voltage direct current (HVDC) transmission phase shifters. This document is applicable to the cooling water system of double-water-cooled phase shifters used in HVDC transmission.
Development Information
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