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GB 50052-2009 第3.0.4条 Code for Design of Power Supply and Distribution Systems

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GB 50052-2009 第3.0.4条

| Harmonic voltage limits: For the public utility grid, the total harmonic distortion of the harmonic voltage (phase voltage) (THDu) shall be ≤5%, of which the odd harmonic content shall be ≤4% and the even harmonic content shall be ≤2% (applicable to 0.38 kV systems).

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