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How should the shielding of the low-voltage power cable of the intelligent low-voltage monitoring unit be grounded?

Time：2026-02-01 Views：8次

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Low-voltage power cable shielding grounding adopts a single-point grounding principle: grounding at the monitoring unit end and leaving the other end suspended. Grounding method: crimped 360° to the chassis via a shielded connector. Grounding wire diameter: not less than 1/2 of the phase wire cross-sectional area. In high-frequency applications, a 100nF/2kV capacitor can be connected in parallel at the grounding end. Grounding resistance is less than 0.2Ω. Through proper grounding, the shielding layer can effectively suppress electric field coupling.

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