electrical symbols and diagram
TRANSCRIPT
-
8/2/2019 Electrical Symbols and Diagram
1/74
ELECTRICAL SYMBOLS
ANDLINE DIAGRAMS
ED M. FERNANDEZ
PM - DCDC
-
8/2/2019 Electrical Symbols and Diagram
2/74
Line Diagrams
A line (ladder) diagram is a diagram thatshows the logic of an electrical circuit orsystem using standard symbols.
A line diagram is used to show therelationship between circuits and theircomponents but not the actual locationof the components.
Line diagrams provide a fast, easyunderstanding of the connections and
use of components.
-
8/2/2019 Electrical Symbols and Diagram
3/74
-
8/2/2019 Electrical Symbols and Diagram
4/74
-
8/2/2019 Electrical Symbols and Diagram
5/74
W iring Diagrams
W iring (connection) diagram a diagram thatshows the connection of an installation or its
component devices or parts.
W iring diagrams show, as closely as possible,the actual location of each component in acircuit, including the control circuit and thepower circuit.
-
8/2/2019 Electrical Symbols and Diagram
6/74
-
8/2/2019 Electrical Symbols and Diagram
7/74
-
8/2/2019 Electrical Symbols and Diagram
8/74
Manual Control Circuits
Manual control circuit any circuit that requiresa person to initiate an action for the circuit tooperate.
A line diagram may be used to illustrate a manualcontrol circuit of a pushbutton controlling apilot light.
A line diagram may be used to illustrate thecontrol and protection of a 1. motor using a
starter with overload protection.
-
8/2/2019 Electrical Symbols and Diagram
9/74
-
8/2/2019 Electrical Symbols and Diagram
10/74
-
8/2/2019 Electrical Symbols and Diagram
11/74
Automatic Control Circuits
Automatically-controlled devices have replacedmany jobs that were once performed manually.
As a part of automation, control circuits aredesigned to replace manual devices.
-
8/2/2019 Electrical Symbols and Diagram
12/74
-
8/2/2019 Electrical Symbols and Diagram
13/74
-
8/2/2019 Electrical Symbols and Diagram
14/74
Magnetic Control Circuits
Although manual controls are compact andsometimes less expensive than magneticcontrols, industrial and commercial installationsoften require that electrical control equipmentbe located in one area while the load device islocated in another.
Solenoids, contactors, and magnetic motorstarters are used for remote control of devices.
-
8/2/2019 Electrical Symbols and Diagram
15/74
-
8/2/2019 Electrical Symbols and Diagram
16/74
-
8/2/2019 Electrical Symbols and Diagram
17/74
-
8/2/2019 Electrical Symbols and Diagram
18/74
-
8/2/2019 Electrical Symbols and Diagram
19/74
-
8/2/2019 Electrical Symbols and Diagram
20/74
-
8/2/2019 Electrical Symbols and Diagram
21/74
-
8/2/2019 Electrical Symbols and Diagram
22/74
-
8/2/2019 Electrical Symbols and Diagram
23/74
-
8/2/2019 Electrical Symbols and Diagram
24/74
Logic Applied to Line Diagrams
-
8/2/2019 Electrical Symbols and Diagram
25/74
-
8/2/2019 Electrical Symbols and Diagram
26/74
-
8/2/2019 Electrical Symbols and Diagram
27/74
-
8/2/2019 Electrical Symbols and Diagram
28/74
-
8/2/2019 Electrical Symbols and Diagram
29/74
-
8/2/2019 Electrical Symbols and Diagram
30/74
-
8/2/2019 Electrical Symbols and Diagram
31/74
-
8/2/2019 Electrical Symbols and Diagram
32/74
-
8/2/2019 Electrical Symbols and Diagram
33/74
-
8/2/2019 Electrical Symbols and Diagram
34/74
-
8/2/2019 Electrical Symbols and Diagram
35/74
-
8/2/2019 Electrical Symbols and Diagram
36/74
-
8/2/2019 Electrical Symbols and Diagram
37/74
-
8/2/2019 Electrical Symbols and Diagram
38/74
-
8/2/2019 Electrical Symbols and Diagram
39/74
-
8/2/2019 Electrical Symbols and Diagram
40/74
-
8/2/2019 Electrical Symbols and Diagram
41/74
-
8/2/2019 Electrical Symbols and Diagram
42/74
-
8/2/2019 Electrical Symbols and Diagram
43/74
-
8/2/2019 Electrical Symbols and Diagram
44/74
-
8/2/2019 Electrical Symbols and Diagram
45/74
-
8/2/2019 Electrical Symbols and Diagram
46/74
-
8/2/2019 Electrical Symbols and Diagram
47/74
-
8/2/2019 Electrical Symbols and Diagram
48/74
-
8/2/2019 Electrical Symbols and Diagram
49/74
-
8/2/2019 Electrical Symbols and Diagram
50/74
-
8/2/2019 Electrical Symbols and Diagram
51/74
-
8/2/2019 Electrical Symbols and Diagram
52/74
-
8/2/2019 Electrical Symbols and Diagram
53/74
-
8/2/2019 Electrical Symbols and Diagram
54/74
-
8/2/2019 Electrical Symbols and Diagram
55/74
-
8/2/2019 Electrical Symbols and Diagram
56/74
-
8/2/2019 Electrical Symbols and Diagram
57/74
-
8/2/2019 Electrical Symbols and Diagram
58/74
-
8/2/2019 Electrical Symbols and Diagram
59/74
-
8/2/2019 Electrical Symbols and Diagram
60/74
-
8/2/2019 Electrical Symbols and Diagram
61/74
-
8/2/2019 Electrical Symbols and Diagram
62/74
-
8/2/2019 Electrical Symbols and Diagram
63/74
-
8/2/2019 Electrical Symbols and Diagram
64/74
-
8/2/2019 Electrical Symbols and Diagram
65/74
-
8/2/2019 Electrical Symbols and Diagram
66/74
-
8/2/2019 Electrical Symbols and Diagram
67/74
-
8/2/2019 Electrical Symbols and Diagram
68/74
-
8/2/2019 Electrical Symbols and Diagram
69/74
-
8/2/2019 Electrical Symbols and Diagram
70/74
-
8/2/2019 Electrical Symbols and Diagram
71/74
-
8/2/2019 Electrical Symbols and Diagram
72/74
-
8/2/2019 Electrical Symbols and Diagram
73/74
-
8/2/2019 Electrical Symbols and Diagram
74/74