


China Southern Power Grid fully standardizes major equipment, reducing average power outage time by 52% in 2023
News from this site on January 9th, China Southern Power Grid announced today that more than 360 experts and 47 special working groups of China Southern Power Grid spent more than 4 years to overcome historical pain points such as complex equipment categories and achieve streamlined equipment categories, interchangeability and interoperability. , established an equipment standardization technical system, and completed the comprehensive standardization of China Southern Power Grid's main equipment.

# China Southern Power Grid said that in the past, power grid equipment had various types, difficulty in interoperability and interchange, low technical threshold, and uneven quality. The level of standardization is not high and management is extensive, resulting in low equipment asset management efficiency and low operation and maintenance efficiency.
This site learned from the announcement that starting from 2020, China Southern Power Grid Corporation will use the special work of standardization improvement of distribution network equipment as a breakthrough to vigorously carry out equipment standardization, and gradually cover the distribution network from generation, transmission, transformation to DC and secondary and other majors,comprehensively unify equipment categories, technical specifications and engineering design.

After four years of hard work, China Southern Power Grid has completed the comprehensive standardization of power transmission, transformation and distribution equipment, and the equipment standardization results have been officially released and applied in Equipment procurement, pre-qualification, material quality control, infrastructure installation and other links.
In terms of production equipment categories,
has been reduced from 7046 categories in 2021 to 4753 categories, a year-on-year decrease of 32.54%. Incorporate 45 categories of new products into the category list to achieve large-scale application of advanced technologies.
In terms of distribution network standard design
formed 54 volumes and 939 common modules, covering all categories of main equipment in the distribution network, and between equipment from different manufacturers Can be "plug and play".
In terms of main network standard design,
achieves full coverage of standards for major equipment categories, and equipment from different manufacturers can be interoperable and interchangeable.
In terms of digital production technology standard system
Issued "China Southern Power Grid Standard Design and Typical Cost V3.0" for smart power distribution, smart substations and Intelligent power transmission realizes the solidification of standardization results in the project construction stage.
In addition, since 2021, the fault rate of China Southern Power Grid’s transmission lines has dropped by 10% annually, the fault rate of GIS of 110 kV and above has dropped by 21%, and the failure rate of transformers of 110 kV and above has dropped by 10%. By 38%, the average customer outage time in 2023 will drop by 52%.
China Southern Power Grid’s first 220 kV steel structure substation has been put into operation in Shenzhen. The substation is designed and spliced after production according to modular design. The main construction period of the project is reduced by 45 days compared with the same period last year. Efficiency increased by 25%.
In addition, China Southern Power Grid promotes the modular design of protection panel cabinet structures, adds modular interfaces and unifies the design standards of various manufacturers. It only takes a few minutes to complete the overall installation or disassembly and transformation, and supports cross-manufacturer transformation in a short time. and labor costs significantly reduced. At present, this technology has been extended to measurement and control panel cabinets.
The above is the detailed content of China Southern Power Grid fully standardizes major equipment, reducing average power outage time by 52% in 2023. For more information, please follow other related articles on the PHP Chinese website!

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