30

2019-05

The sixth batch of national network tender aluminum cable total 88808 tons

 Release Time： 2019-05-30

Recently, the State Grid Tendering Network announced the sixth batch of national network tender list, including 66kV, 110kV, 220kV, 500kV and 750kV transmission cables, involving aluminum cable variet

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30

2019-05

Optical communications market will maintain steady growth

 Release Time： 2019-05-30

"China's optical communications market steady growth", held recently by the two sides of the strait optical communications industry alliance, Hengtong Group hosted the "2012 cross-strait optical commu

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30

2019-05

China's wire and cable industry development potential strong

 Release Time： 2019-05-30

2011 China's wire and cable industry output value has reached 1.1 trillion yuan, to achieve the scale of the world's first, the pace of transformation and upgrading of the industry significantly accel

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30

2019-05

Discussion on Grounding Problem of High Voltage Cable

 Release Time： 2019-05-30

High-voltage power cable copper shield and steel armor generally need to ground, both ends of the ground and one end of the ground What is the difference between the production of cable termination, s

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30

2019-05

Cause Analysis and Prevention of Electrical Misoperation

 Release Time： 2019-05-30

In the substation operation, the electrical switching operation is one of the basic work of the substation operation, and electrical switching operation is a complex and detailed work, in the operation of a negligence, the effect, it will cause electrical Misuse, resulting in line power failure, equipment damage, serious will cause personal injury and death, power grid solution, to the country and the people of serious losses. Therefore, the prevention of electrical misoperation

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30

2019-05

Calculation of Cross - sectional Area and Current Carrying Capacity of Conductor

 Release Time： 2019-05-30

First, the general copper wire carrying current The safety of the conductor is based on the maximum allowable core temperature, cooling conditions, laying conditions to determine. Generally, the safe

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