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照明电路的安装及接线(课件可下载)

  • 2026-01-15 06:54:10
照明电路的安装及接线(课件可下载)

照明电路的组成与基本概念·般照明电路由以下几部分组成:电能表、断路器、熔断器、开关、插座、导线、照明灯具等。

1.电能表

1)作用

电能表俗称电度表,是用来量度用电器消耗的电能的仪表。C

2)分类

按原理分为感应式电能表和电子式电能表;按电源相数分为单相电能表和三相电能表。

5)选用选择电能表量程时,应使电能表额定电压与负载额定电压相符,电能表额定电流应大于或等于负载的最大电流。

6)使用方法

a.合理选择电能表。根据被测线路的类型和额定电压、电流等额定值进行选择。

b.正确的接线。要根据说明书的要求和接线图把进线和出线依次对号接在电能表的出线头上;接线时注意电源的相序关系,接线完毕后,要反复查对无误后才能合闸使用。

c.正确读取电能数据。当电能表不经互感器而直接接入电路时,可以从电能表上直接读出实际电能数据;如果电能表利用互感器扩大量程时,实际消耗电能应为电能表的读数乘以互感器变比。

由于篇符有限,本文只列举部分,清晰完整版

点击下面附件免费查看下载:

附件--照明电路的安装及接线(课件).pptx

8)常见故障及处理方法(电子式)

①电能表显示不准确。这可能是由于电能表的测量元件损坏或老化所致。解决这个问题的方法是通过更换电能表来确保准确测量。

②电能表无法显示电能消耗。这可能是由于电能表的显示屏损坏或电能表与电力系统之间的通信故障所致。解决这个问题的方法是检查电能表的通信连接并确保其正常工作,或者更换显示屏。

③电能表出现断电情况。这可能是由于电能表的电源线路故障或电能表内部电源模块故障所致。解决这个问题的方法是检查电能表的电源线路并修复故障,或者更换电能表的电源模块。

④电能表显示数据错误。这可能是由于电能表的计算逻辑错误或存储器故障所致。解决这个问题的方法是检查电能表的计算逻辑并进行修复,或者更换存储器。电能表出现通信故障。这可能是由于电能表与电力系统之间的通信接口故障或通信协议不匹配所致。解决这个问题的方法是检查通信接口并修复故障,或者更换通信协议。

2.低压断路器

1)作用

低压断路器又称自动开关,俗称“空气开关”,主要用于保护交流500V或直流400V以下的低压配电网和电力拖动系统中常用的一种配电电器,可用于不频繁接通和分断负载电路。

8)漏电保护器漏电保护器是防止人体触电和漏电的设备,动作电流一般是在30毫安,动作的时间在0.1秒以内,它主要检测线路设备、保护人体安全以及设备的安全。

由于篇符有限,本文只列举部分,清晰完整版

点击下面附件免费查看下载:

附件--照明电路的安装及接线(课件).pptx

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  134. /yingpanguazai/ssd/ssd1/www/yeyulingfeng.com/vendor/topthink/think-view/src/Think.php ( 8.38 KB )
  135. /yingpanguazai/ssd/ssd1/www/yeyulingfeng.com/vendor/topthink/framework/src/think/contract/TemplateHandlerInterface.php ( 1.60 KB )
  136. /yingpanguazai/ssd/ssd1/www/yeyulingfeng.com/vendor/topthink/think-template/src/Template.php ( 46.61 KB )
  137. /yingpanguazai/ssd/ssd1/www/yeyulingfeng.com/vendor/topthink/think-template/src/template/driver/File.php ( 2.41 KB )
  138. /yingpanguazai/ssd/ssd1/www/yeyulingfeng.com/vendor/topthink/think-template/src/template/contract/DriverInterface.php ( 0.86 KB )
  139. /yingpanguazai/ssd/ssd1/www/yeyulingfeng.com/runtime/temp/8ef20ebb20ac8b82ec5232b0bcb62051.php ( 11.99 KB )
  140. /yingpanguazai/ssd/ssd1/www/yeyulingfeng.com/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000478s ] mysql:host=127.0.0.1;port=3306;dbname=no_yeyulingfeng;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000875s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000315s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000260s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000392s ]
  6. SELECT * FROM `set` [ RunTime:0.000183s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000497s ]
  8. SELECT * FROM `article` WHERE `id` = 461214 LIMIT 1 [ RunTime:0.002993s ]
  9. UPDATE `article` SET `lasttime` = 1768440540 WHERE `id` = 461214 [ RunTime:0.006342s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000336s ]
  11. SELECT * FROM `article` WHERE `id` < 461214 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000474s ]
  12. SELECT * FROM `article` WHERE `id` > 461214 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.004928s ]
  13. SELECT * FROM `article` WHERE `id` < 461214 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000626s ]
  14. SELECT * FROM `article` WHERE `id` < 461214 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001611s ]
  15. SELECT * FROM `article` WHERE `id` < 461214 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001124s ]
0.093954s