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2013-05-23 12:21
求翻译：The normal test power supply voltage shall be within a tolerance of ±3 % relative to the nominal voltage of one (or any) of the ship’s power supplies for which the equipment is designed. For a.c. supplies, the test power supply frequency shall be within ±1 Hz of the nominal frequency. Refer to 5.2.1 of IEC 60945.是什么意思？ 待解决
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The normal test power supply voltage shall be within a tolerance of ±3 % relative to the nominal voltage of one (or any) of the ship’s power supplies for which the equipment is designed. For a.c. supplies, the test power supply frequency shall be within ±1 Hz of the nominal frequency. Refer to 5.2.1 of IEC 60945.
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