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![Detailed explanati···]()
2025-09-02 Detailed explanation of the ···I often hear people refer to all power lines as "wires," including power cables. This is strictly incorrect. Cables and wires differ significantly in size, structure, purpose, and characteristics, so they shouldn't be lumped together. Today, we'll explore the detailed differences b
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![Why do cables need···]()
2025-09-02 Why do cables need shielding···The outermost layer of wires and cables is typically made of rubber or a rubber composite sheath, such as polyvinyl chloride (PVC) or polyethylene. This layer serves not only as insulation but also as protection from external damage and harm to others.Cables are categorized as either high-voltage or
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![Choice of two wire···]()
2025-09-02 Choice of two wire and cable···There are two shielding methods for wires and cables: winding and braiding.1. Winding Shielding1. Winding is inferior to braiding in terms of shielding effectiveness.2. Its shielding effect is directional.3. Its shielding properties change when bent.4. However, it offers advantages such as a small o
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![The role of wire a···]()
2025-09-02 The role of wire and cable s···Functions of Wire and Cable Shielding:1. Function of Power Cable Shielding: Because power cables carry high currents, they generate magnetic fields around them. To prevent them from affecting other components, shielding layers can confine these electromagnetic fields within the cable. They also prov
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![The role of electr···]()
2025-09-02 The role of electronic compu···Functions of Shielded Computer CablesComputer cables are suitable for fixed connections in computers, testing instruments, and meters with AC rated voltages of 300/500V and below, requiring high anti-interference performance. Product Standard: Enterprise Standard Model Name: DJYVP2 Twisted-Pair Poly
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![Can 35KV cable shi···]()
2025-09-02 Can 35KV cable shielding use···Can 35kV cable shielding use two layers of copper tape instead of copper wire?The shielding layer primarily protects against external electromagnetic interference, preventing the electromagnetic field generated by itself from interfering with the surrounding environment and conducting fault currents
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![Problems with the ···]()
2025-09-02 Problems with the grounding ···Problems with Control Cable Shield GroundingIn recent years, integrated automation technology has been widely adopted in substations. For microcomputer-based secondary equipment to operate safely and reliably in such high-intensity electromagnetic fields and strong electromagnetic interference envir
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![Two shielding meth···]()
2025-09-02 Two shielding methods for co···Metal shielding is an important measure for reducing and preventing electrical interference. This includes overall shielding, sub-shielding, and double-layer overall shielding. The type of metal shielding for control cables should be selected based on the potential impact of electrical interference,
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![What are the chara···]()
2025-09-02 What are the characteristics···Characteristics and Performance of Yellow-Green Grounding WireYellow-green grounding wire specifications: 0.75, 1, 1.5, 2.5, 4, 6, 10, 16, 25, 35, 50, 70, 95, 120, 150, 185, 240, and 300.The rated voltages U/U of the cables are 450/750V and 300/500V.The long-term operating temperature of all cable (
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![VV3×4+2×2.5 low vo···]()
2025-09-02 VV3×4+2×2.5 low voltage powe···VV3×4+2×2.5VV Low-Voltage Power CableVV low-voltage power cables are suitable for use in 50Hz AC lines with a rated voltage of 0.6/1kV for power transmission and distribution. 1. The cable conductor's maximum rated temperature is 70°C. 2. During a short circuit (maximum duration not exceeding
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