Electric Tiger: State Grid 2014 New Technology Catalog!

Recently, State Grid Corporation of China released the Catalog of New Technologies of State Grid Corporation of China (2014 Edition) and the Catalog of New Technologies for Major Promotion of State Grid Corporation of China (2014 Version), clarifying the overall requirements for the promotion and application of new technologies. Among them, the industry concerned about the aluminum wire, solid insulated ring network cabinet, energy-saving transformers, etc. once again become the focus of promotion of new technologies in the next few years, energy-saving environmental protection , transmission and distribution of electrical equipment to become "incense sticks."

Aluminum wire for the first time into the directory

Promotion Plan: According to the "Catalog" plan, from 2014 to 2016, 20,000 kilowatts of energy-saving conductor shall be used in 110 (66) kV and above voltage lines.

In 2012, China started to apply three types of energy-saving wires, such as high-conductivity aluminum steel wire with high conductivity, medium-strength aluminum alloy strands and aluminum alloy wires with high electrical conductivity, as well as wires, fittings, construction machinery and construction technologies Significant progress has been made. The application of key technologies has reached the international advanced level and has been successfully applied to 480 projects.

New distribution transformers all realize energy saving

Promotion Plan: According to the "Catalog" plan, from 2014 to 2016, among the newly-added distribution transformers, the energy-saving power transformers of type S13 and amorphous transformers should be not less than 60% and the automatic transformers should not be less than 15%.

Distribution transformer important technical indicators include no-load loss, load loss, no-load current, short-circuit impedance. Compared with the same capacity S11 type laminated iron core transformer, S13-type three-dimensional wound core transformer reduces no-load loss by more than 25% and no-load current by more than 70%. The load loss of amorphous alloy transformers is significantly reduced. Compared with S11 transformers, the SH15 amorphous alloy transformers reduce the average load by about 65%, and reduce by about 50% on average compared with the S13 model. However, the auto-adjusting voltage regulating transformers can obviously reduce the no-load loss when the periodic changes such as daily load or seasonal load are obvious, and the distribution stations occupy a high proportion of low-load operating hours.

Electric tiger nets to declare the declaration of power distribution equipment in the enterprise 15, as follows: