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2022-06

Insulation coordination of low-voltage switchgear

Abstract: In 1987, Subcommittee 17D of the International Electrotechnical Commission (IEC) drafted a technical document entitled "Supplement 1 to...

09

2022-06

The principle and verification of insulation coordination of low-voltage switchgear

Abstract: The problem of insulation coordination is an important issue related to the safety of electrical equipment products, which has always receiv...

09

2022-06

Cable branch box - cable cross-sea tailor-made island "power accelerator"

Below the sea-crossing bridge connecting Beilun District of Ningbo, Zhejiang Province and Meishan Island Free Trade Zone, six "Silver Power Snake...

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2022-06

Introduction of grounding wire of cable branch box

The conductor connector in the cable branch box adopts the crimping method, which is easy to install and flexible in the incoming and outgoing lines. ...

09

2022-06

What is the difference between American cable branch box and European cable branch box

American cable branch box is a kind of cable engineering equipment widely used in power distribution network system in North America. and other signif...

09

2022-06

The intelligent robot of China Southern Power Grid Guangdong Company started to "work" in the high-voltage substation

China Southern Power Grid Guangdong Company recently announced that the intelligent inspection robot developed by it has been put into use, which is ...

09

2022-06

The capacity expansion project of the first UHV substation in Shandong Province was successfully transmitted and operated

People's Daily Online, Jinan, November 11. In the early morning of the 11th, with the successful power transmission of the newly expanded 1000 kV ...

09

2022-06

Baotou Power Supply Bureau 220KV Dongliang Substation started power transmission

"110 kV one and two mothers and all outgoing lines, 10 kV all outgoing lines and 9012 switches are transferred to cold standby." At 21:59 on...

09

2022-06

My country launched a new type of power transformer building can also build substations

With the increasing saturation of buildable land resources in big cities, the research on "indoorization, miniaturization, and oil-free" of ...

09

2022-06

The 50th ultra-high voltage substation put into operation in Zhejiang ranks second in the provincial power grid

At 9:10 on December 4, the 50th ultra-high voltage substation in Zhejiang was put into operation in Hangzhou. So far, the number and substation capaci...

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