本书根据职业院校“ 电工技能与实训”课程教学大纲编写,融合了电工工艺技术和电工技能实训的内容。本书内容包括安全用电技术、电工基本操作、照明灯具与配电线路、常用电工仪表、单相变压器、单相交流异步电动机、三相异步电动机、常用低压控制电器、三相异步电动机控制线路的安装与调试、PLC基本应用10 个项目,共41 个任务。本书可作为职业院校电子电器应用与维修专业和其他电类专业的基础技能课程教材,也可供相关专业的工程技术人员和技术工人参考。
句希源 河北师范大学电子系教师 参与编写《电工技能与实训》等图书,发表学术论文《故障信号小波检测方法的研究》《项目教学法在PLC教学中的应用》《基于模糊聚类算法的变压器故障诊断研究》《基于BP神经网络的电力变压器故障诊断》《基于小波分析的电机故障振声诊断方法》等。
项目1 安全用电技术··············································································.(1)
任务1 预防触电的安全措施训练··························································.(1)
任务2 触电事故的断电操作训练··························································.(7)
任务3 触电急救的现场操作训练·························································.(10)
任务4 电气火灾的应急处理训练·························································.(13)
思考题····························································································.(15)
项目2 电工基本操作·············································································.(16)
任务1 常用电工工具的使用训练·························································.(16)
任务2 导线电连接训练·····································································.(23)
任务3 铜导线焊接训练·····································································.(29)
任务4 电工识图训练········································································.(31)
思考题····························································································.(36)
项目3 照明灯具与配电线路····································································.(37)
任务1 照明灯具安装训练··································································.(37)
任务2 照明配电箱安装训练·······························································.(44)
任务3 室内配电线路布线训练····························································.(47)
任务4 漏电保护器安装训练·······························································.(54)
思考题····························································································.(58)
项目4 常用电工仪表·············································································.(59)
任务1 电工仪表的符号识别与选用训练················································.(59)
任务2 万用表的测量使用训练····························································.(63)
任务3 绝缘电阻表的测量使用训练······················································.(71)
任务4 接地电阻表的测量使用训练······················································.(74)
任务5 直流电桥的测量使用训练·························································.(77)
思考题····························································································.(83)
项目5 单相变压器················································································.(84)
任务1 变压器的识别训练··································································.(84)
任务2 单相变压器的性能测试训练······················································.(87)
任务3 单相变压器的故障检修训练······················································.(90)
思考题····························································································.(92)
项目6 单相交流异步电动机····································································.(93)
任务1 单相交流异步电动机的认识与选用训练·······································.(93)
任务2 单相交流异步电动机的性能测试训练········································.(100)
任务3 单相交流异步电动机的故障检修训练········································.(102)
任务4 单相交流异步电动机控制线路的连接训练··································.(107)
思考题····························································································(111)
项目7 三相异步电动机··········································································(112)
任务1 三相异步电动机的认识与选用训练·············································(112)
任务2 三相异步电动机的拆卸与装配训练·············································(119)
任务3 三相异步电动机装配后的检验训练···········································.(123)
任务4 三相异步电动机的常见故障处理训练········································.(127)
思考题··························································································.(130)
项目8 常用低压控制电器·····································································.(131)
任务1 低压熔断器的认识和测量训练·················································.(131)
任务2 低压断路器的认识和测量训练·················································.(135)
任务3 交流接触器的拆装与校验训练·················································.(138)
任务4 热继电器的结构认知与测量训练··············································.(144)
任务5 时间继电器的结构认知与测量训练···········································.(149)
任务6 主令电器的认知与检测训练····················································.(153)
思考题··························································································.(158)
项目9 三相异步电动机控制线路的安装与调试··········································.(159)
任务1 三相异步电动机单向运转控制线路的安装与调试训练···················.(159)
任务2 三相异步电动机正反转运行控制线路的安装与调试训练················.(163)
任务3 三相异步电动机自动往返行程控制线路的安装与调试训练·············.(167)
任务4 三相异步电动机Y-△降压启动控制线路的安装与调试训练············.(171)
思考题··························································································.(175)
项目 10 PLC 基本应用········································································.(176)
任务 1 PLC 的接线和编程训练·························································.(176)
任务 2 PLC 的计算机编程软件的应用训练···········································.(181)
任务3 基本逻辑指令的编程与应用训练··············································.(186)
思考题··························································································.(191)
附录 A ·······························································································.(192)