The "Coding Standard for the Identification System of Power Plants" is now approved as a national standard, numbered GB/T 50549-2020, which will come into force on March 1, 2021. The original "Power Plant Identification System Coding Standard" (GB/T50549-2010) will be abolished at the same time. This standard is published on the website of the Ministry of Housing and Urban-Rural Development (www.mohurd.gov.cn), and is published by China Planning Publishing House Co., Ltd. organized by the Institute of Standards and Quotas of the Ministry of Housing and Urban-Rural Development. Ministry of Housing and Urban-Rural Development June 9, 2020
GB/T 50549-2020 Referenced Document
GB 14048.1 Low-voltage switchgear and controlgear.Part 1:General rules
GB/T 16679 Industrial systems, installations and equipment and industrial products-Designation of signals
GB/T 18656 Industrial systems、installations and equipment and industrial products-Identification of terminals within a system
GB/T 1971 Rotating electrical machines—Terminal markings and direction of rotation*, 2021-10-11 Update
GB/T 26853.1 Classification and designation of documents for plants,systems and equipment.Part 1:Rules and classification tables
GB/T 4026 Basic and safety principles for man-machine interface, marking and identification—Identification of equipment terminals, conductor terminations and conductors
GB/T 50549-2020 history
2020GB/T 50549-2020 Coding standard for power plant identification system
2010GB/T 50549-2010 Coding standard for power plant identifation system