23 Aug 2025
Why have yellow/green color become the internationally recog...
The International Electrotechnical Commission (IEC), the world's most authoritative electrical standards organization, specifies that safety grounding conductors must use alternating green and yellow ...
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08 Aug 2025
Do you know the braid density of a cable shield?
Cable shielding density is a quantitative indicator of the shielding ability of a cable shield against electromagnetic signals. It is usually expressed as a percentage, reflecting the degree to which
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30 Jul 2025
Why Use Fumigated Wooden Drums for Cable Export?
The main reasons for using fumigated wooden drums for cable export are: 1. Compliance with international quarantine requirements. • Regulatory Compliance:Most countries/regions around the world h
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15 Jul 2022
How to identify inferior cables(5)？
Precautions1、 Observe the appearance of the wire. The insulation (sheath) layer of qualified products is soft, tough and flexible, and the surface layer is tight, smooth and free of roughness. If the
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11 Jul 2022
How to identify inferior cables(4)？
4. Wire and cable with unqualified conductor resistanceConductor resistance is an important indicator for evaluating the compatibility of wire and cable conductor materials and cross-sections. When th
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04 Jul 2022
The way and role of metal shielding in medinum voltage power...
The metal shielding method of medium-voltage XLPE insulated power cables is mainly composed of copper tape covering and copper wire plus coppeer tape shielding. The shielding on the cable structure is...
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18 Jun 2022
How to identify inferior cables(3)？
3. Wire and cable with aging insulation layer The unqualified tensile strength and elongation of the insulating sheath before aging directly greatly shortens the working life of the wire and cabl
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16 Jun 2022
How to identify inferior cables(2)？
2. Wires and cables with unqualified structural dimensions The main problem of the structure size is the thickness of the sheath and the thickness of the insulation. When the sheath and insulatio
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10 Jun 2022
China's first solar and tidal energy complementary smart pho...
National Energy Group Longyuan Zhejiang Wenling Chao-light complementary smart photovoltaic power station achieved full-capacity grid-connected power generation, creating a new energy comprehensive ap...
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01 Jun 2022
2022 Dragon Boat Festival Holiday Notice
2022 China's traditional Dragon Boat Festival Holiday notice
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30 May 2022
Power transmission steps
The transmission of electric energy, together with power transformation, distribution and consumption, constitutes the overall function of the power system.
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