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过流(Over Current)故障
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考题
高压变频器重故障跳闸的条件有()。A、变频器过流;B、变频器严重过流(150%)、过载;C、变压器严重过热(任一绕组温度高于140℃);D、系统严重故障、功率单元过热、过压、欠压;E、功率单元控制电源故障、光纤故障、控制器不就绪。
考题
单选题The Owners to take over and pay all fuel remaining in the Vessel’s bunkers on re-delivery at current price at the port of redelivery,or at the nearest main bunkering port,if the bunker price at the port of redelivery is not available. This indicates that the Owners are to take over and pay the remaining bunkers().A
at current price at the nearest main bunkering portB
at current price at the port of redelivery if it is not available to obtain the current price at the nearest main bunkering portC
at current price at the nearest main bunkering port if it is cheaper than that at the port of redeliveryD
at current price at the port of redelivery if it is obtainable,even the price is higher at the nearest main bunkering port
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