CEL-021. Power Transformer
China
Power Transformers
Mandatory
Comparative Label
Entered into force, Adopted
2010
May 2021
Electricity
CQC31-461212-2020. Energy Conservation Certification Rules for Power Transformer
China
Power Transformers
Voluntary
Endorsement Label
Entered into force, Adopted, Revised
2003
2020
May 2021
Electricity
CQC31-461219-2010. CQC Mark Certification - Power Transformer
China
Power Transformers
Voluntary
Endorsement Label
Entered into force, Adopted, Revised
2003
2010
August 2018
Electricity
CQC31-462271-2022 Energy Conservation Certification Rules for High-Voltage/Low-Voltage Prefabricated Substations
China
Power Transformers
Voluntary
Endorsement Label
Entered into force, Adopted
2022
October 2022
Electricity
CQC31-482652-2018 Energy Conservation Certification Rules for High/Low Temperature Test Chambers
China
Other
Voluntary
Endorsement Label
Entered into force, Adopted
2018
October 2022
Electricity
CQC31-482653-2018 Energy Conservation Certification Rules for Hot Aging Test Ovens
China
Other
Voluntary
Endorsement Label
Entered into force, Adopted
2018
October 2022
Electricity
GB 20052-2024 Energy efficiency limit values and energy efficiency grades for power transformers
China
Power Transformers
Mandatory
Minimum Performance Standard
Entered into force, Adopted, Revised
2006
2024
December 2024
Electricity
GB 28736-2019 Minimum allowable values of energy efficiency and energy efficiency grades for welding machines
China
Other
Mandatory
Minimum Performance Standard
Entered into force, Adopted
2020
May 2021
Electricity
GB 32311-2015 Minimum allowable values of energy efficiency and energy efficiency grades for hydrogen producing systems by water electrolysis
China
Other
Mandatory
Minimum Performance Standard
Entered into force, Adopted
2017
June 2021
Electricity