The power supply efficiency shall be greater than65% under rated input voltage. It will be measured at the typical load and maximum load.

在额定输入电压，最大负载和额定负载条件下，电源的效率大于65%。

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By analyzing the hoisting and feeding-off models under the rated load, the maximum dynamic loads and dynamic coefficients of fast line, dead line, every travelling line and derrick were obtained.

对仿真模型在额定工况时的起升、下钻过程进行了仿真运算，得到了游动系统中快绳、死绳、各游绳及井架上的最大动载荷和动载系数。

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