State Grid Corporation Corporate Standard Q/GDW 11221-2023 “Technical Specification for Low-voltage Comprehensive Distribution Boxes” Nationwide First Publicizing Meeting–Suzhou Station Successfully Concluded

Publicizing Meeting

On November 9, 2023, the first national propaganda meeting of State Grid Corporation’s corporate standard Q/GDW 11221-2023 “Technical Specification for Low-voltage Comprehensive Distribution Box” was held in Suzhou.

The scene of the meeting

The meeting was organized by Jiangsu Electrical Apparatus Industry Association (JEIA) and hosted by Jiangsu Electrical Apparatus Industry Association (JEIA), Vice President Unit/Jiangsu Electrical Apparatus Industry Association (JEIA) Technical Committee Chairman Unit, and Suzhou Electrical Apparatus Research Institute Company Limited (SERICO) as one of the leading enterprises in the field of power transmission and distribution testing in the country, as well as Suzhou Electrical Technology Society (SETS) and Electricity Magazine (E&E).

This meeting is aimed at the State Grid Corporation’s corporate standard Q/GDW 11221-2023 “Low-voltage integrated distribution box technical specifications” for in-depth interpretation and publicity.Publicizing Meeting

As one of the co-organizers of this conference, David Liu, General Manager of Zhejiang GRL Electric, personally led the technical and marketing team to attend this conference.

During the meeting, the technical and marketing team of Zhejiang GRL Electric actively participated in the discussions and exchanges.Publicizing Meeting

The company showed its products and technical strength to the participants and shared its experience and achievements in the power transmission and distribution equipment industry.

Through the exchanges with the technical staff of each company, Zhejiang GRL Electric gained a deeper understanding of the market demand and trend, which provides useful reference for the future development.Publicizing Meeting

Expert Sharing

At the meeting, Director Han Shengen, a senior expert from China Electric Power Research Institute and State Grid Shanghai Energy Internet Research Institute Co., Ltd, as the main drafter of the standard, shared two important technical reports, including “Analysis of the Technical Specification for Low-voltage Comprehensive Distribution Boxes (<Q/GDW11221-2023)” and “Requirements for On-site Inspection of the Standardized JP Cabinet Samples and Precautions”.

Director Han Shengen made an in-depth interpretation and explanation of the whole process of product design, component selection, sample processing, test application, test and inspection requirements of low-voltage integrated distribution box, especially emphasizing the product selection, technical principles and test-related procedures, prototypes, coverage, test items, methods and requirements.

At the same time, he also made an authoritative and comprehensive interpretation and explanation of the content involved in the standardized customized low-voltage integrated distribution box selection table, technical specifications for intelligent fusion terminals in the station area, modular capacitors and SVG rails and connectors requirements.

This propaganda meeting for standardized low-voltage integrated distribution box manufacturers and testing institutions can better and accurately understand and implement the technical specifications, laying a solid foundation of standard guidance.Publicizing Meeting

Product Showcase

As a co-organizer of this conference, Zhejiang GRL Electric has been actively involved in the design of standardized JP cabinets for the State Grid.

The company’s fuse-type disconnect switches and closed busbar system products have fully met the design requirements of the State Grid standardized JP cabinet scheme one, scheme two and scheme nine.

The temperature rise and short-circuit withstand strength of these three schemes have been tested many times and passed in many domestic testing stations such as Zhejiang Fangyuan Testing, Shanghai Electrical Equipment Testing Institute, Shandong Product Quality Inspection Research Institute, Suzhou Electrical Apparatus Research Institute, Zhejiang High and Low Voltage Testing Center and so on.

At the conference site, Zhejiang GRL Electric also displayed the company’s fuse-type disconnect switches and enclosed busbar system products in this State Grid standardized JP cabinet design.Publicizing Meeting

These products attracted wide attention from the participants with their unique design and excellent performance. Senior expert of China Electric Power Research Institute Co., Ltd. and State Grid Shanghai Energy Internet Research Institute Co., Ltd. and director Han Shengen, an expert in drafting the standard of State Grid’s standardized JP cabinet, visited GRL Electric’s booth to explain the technical points and advantages of the standardized cabinet products.

The success of this meeting will undoubtedly have a far-reaching impact on promoting the standardization and standardization of low-voltage integrated distribution box technology.Publicizing Meeting

At the same time, the products displayed by Zhejiang GRL Electric to meet the design requirements of the standardized JP cabinet of the State Grid further highlighted the important role of the company in the power transmission and distribution equipment industry.

In the future, Zhejiang GRL Electric will continue to dedicate itself to product development and innovation in order to meet the ever-changing market demand and make greater contributions to the development of the power industry.Publicizing Meeting

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