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电工必备手册大全

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Price
$2.99
Category
Reference & Education
Last Update
Jul 20, 2021
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Description

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给力推荐,内容全面的电工基础知识大全。 一、功率电流快速计算公式,导线截面积与电流的关系 1、功率电流速算公式 2、下面是铜线在不同温度下的线径和所能承受的最大电流 3、导线线径一般按如下公式计算 4、说明 5、估算口诀 二、电线大小与用电功率之间的计算 1、用途 2、口诀 3、说明 三、电压降的估算 1、用途 2、口诀 3、说明 4、以上就是电压损失的估算方法。 四、根据电流来选截面 1、用途 2、口诀 3、说明 4、下面这个估算口诀和上面的有异曲同工之处: 5、口决 6、说明 7、电线粗细与电器功率之间的关系是怎样计算的? 8、如合计算电线所能承受的电功率 五、电线线径对应电流速查表: 六、实操项目2101:正反转能耗制动控制 1、实操目的 2、动作原理 3、接线图 4、线路检查(取下FU2) 5、通电试车 6、故障分析 7、注意事项 8、分析思考 七、实操项目2102:双速电机控制 1、实操目的 2、动作原理 3、接线圈 4、线路检查(取下FU1) 5、通电试车 6、故障分析 7、注意事项 8、分析思考 八、实操项目2103:Y/Δ启动及顺序控制 1、实操目的 2、动作原理 3、接线图 4、线路检查(取FU2) 5、通电试车 6、故障分析 7、注意事项 8、分析思考 九、实操项目2104:三速电机控制 1、实操目的 2、动作原理 3、线路检查(取下FU2) 4、通电试车 5、故障分析 6、注意事项 7、分析思考 十、附录:电气元件的选择 1、熔断器的选用 2、接触器的选用 3、低压断路器的选择及整定 4、热继电器的选择及整定 5、导线的选择 6、附表

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CSR Racing 2

About 电工必备手册大全

Developed by Melody.

电工必备手册大全 is ranking in   Reference & Education

Last update was at Jul 20, 2021and the current version is 10.2.1.

To see all other keys and revenue click here 1217030776

电工必备手册大全 have a 0a user reviews.

电工必备手册大全 was released in the App Store. It is developed by Melody, who have also released the following apps.

电工必备手册大全 has 0 user reviews.​

电工必备手册大全 has an average rating of 0.0. ​The latest version of 电工必备手册大全 10.2.1​ ​​was ​released on Jul 20, 2021​.

You can download 电工必备手册大全 ​here

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