Brief Presentation of Shore Power Supply to Yacht and Ship

Wang Houyu（China Aviation Planning and Construction Development Co.，Ltd.，Beijing 100120，China）

 

    Abstract Power supply to yacht and ship is from the power grid on shore but not generator on board in port docking period. If shore power is supplied from a normal TN - S system or T T system，such electric hazards as corrosion of ship hull or electric shock to human body in water at the dock may take place. Therefore，appropriate safe measures shall be taken for yacht and ship respectively.　Brief presentation is given in regard to the captioned matter.

     Key words Yacht shore power supply Ship shore power supply Electrochemical corrosion Underwater electric shock Protective separation I T system

 

      摘 要 游艇和轮船在码头停泊期间不由船上的发电机供电而改由岸上公用电网供电。如由岸电以通常的TN - S系统或T T系统供电，可能引发船体受腐蚀或码头水下人体受电击之类的电气危险。为此应对游艇和轮船各另采取适当的安全供电措施。文内对此进行了简陈。

    关键词 游艇岸电供电 轮船岸电供电 电化学腐蚀 水下电击 保护分隔 I T系统