GB/T 7346-1998
Replaced
GB/T 20833.4-2021
Active
National standards
GB/T 20833.4-2021 Rotating electrical machines—The winding insulation—Part 4:Measurement of insulation resistance and polarization index
GB/T 20833.4-2021 Rotating electrical machines—The winding insulation—Part 4:Measurement of insulation resistance and polarization index
Basic Information
Standard Code:
GB/T 20833.4-2021
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Rotating motor
ICS Name:
Rotating motor comprehensive
Publish Date:
2021-03-09
Implement Date:
2021-10-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国旋转电机标准化技术委员会(SAC/TC 26)
Pages:
32 pages
Scope
GB/T 20833的本部分规定了旋转电机的定子和转子绕组绝缘电阻及极化指数的测试程序。
本部分规定了额定功率750 W及以上旋转电机绕组绝缘电阻和极化指数的最小推荐值。本部分适用于低压、高压交流和直流旋转电机。
Development Information
Drafting Units:
上海电机系统节能工程技术研究中心有限公司、铜陵精达特种电磁线股份有限公司、山西电机制造有限公司、中车永济电机有限公司、山东华力电机集团股份有限公司、东方电气集团东方电机有限公司、哈尔滨大电机研究所、上海电器设备检测所有限公司
Drafting Persons:
张生德、彭春斌、杨创造、刘冠芳、王庆东、张跃、高鑫、胡春秀、汪双灿
Same series standard
Referenced Standards
IEC 60050-411
Adopt standards
IEC 60034-27-4:2018
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