Abul Khair Group
Relay Concept
1. How Current flow high speed
2. Water Pipe
2. Water Tank
2. Multimeter
2. Why Electrical two line
2. Current Nimukharami
2. Generator Concept
Abul Khair Group
Presented by Engr Md. Hafizur Rahman
Deputy Manager, Abul Khair Group
Basic
Electricity
Abul Khair Group
Basic
Electricity
Abul Khair Group
Basic
Electricity
1 Electrical Concept
Abul Khair Group
Basic
Electricity
1 Electrical Concept
2 Application of Electricity
Abul Khair Group
Basic
Electricity
1 Electrical Concept
2 Application of Electricity
3 Risk of Electricity
Abul Khair Group
Basic
Electricity
1 Electrical Concept
2 Application of Electricity
3 Risk of Electricity
4 Risk free life
Abul Khair Group
Basic
Electricity
1 Electrical Concept
2 Application of Electricity
3 Risk of Electricity
4 Risk free life
Abul Khair Group
Basic
Electricity
Electrical Concept
Abul Khair Group
Basic
Electricity
Electrical Concept
Abul Khair Group
Basic
Electricity
Electrical Concept
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Abul Khair Group
Basic
Electricity
Electrical Concept
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Abul Khair Group
9V
Battery
+ -
Basic
Electricity
Electrical Concept
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Abul Khair Group
9V
Battery
+ -
Basic
Electricity
Electrical Concept
Abul Khair Group
Basic
Electricity
Electrical Concept
Cable
Resistance
Aluminium
Atom
9V
Battery
+ -
Abul Khair Group
Basic
Electricity
9V
Electrical Concept
Cable
Resistance
Aluminium
Atom
Abul Khair Group
Basic
Electricity
Electrical Concept
Abul Khair Group
Relay Concept
1. How Current flow high speed
2. Water Pipe
Abul Khair Group
Relay Concept
Relay
Concept
A Relay is an electromechanical device that
can be used to make or break an electrical
connection
Abul Khair Group
Relay Concept
Relay
Type
1. Electromechanical Relay (EMR)
2. Solid State Relay (SSR)
Abul Khair Group
Relay Concept
Relay Concept
Abul Khair Group
Relay Concept
Relay Concept
Coil Supply
Com
NC
NO
Abul Khair Group
Relay Concept
Relay Concept
Coil Supply
Com
NC
NO
Abul Khair Group
Relay Concept
Relay Concept
Coil Supply
Com
NC
NO
Abul Khair Group
Relay Concept
Relay Concept
Coil Supply
Com
NC
NO
Abul Khair Group
Relay Concept
Relay Concept
Coil Supply
Com
NC
NO
Abul Khair Group
Relay Concept
Relay Concept
Coil Supply
Com
NC
NO
Abul Khair Group
Relay Concept
Relay Concept
Coil Supply
Com
NC
NO
Abul Khair Group
Relay Concept
Relay Concept
Coil Supply
Com
NC
NO
Abul Khair Group
Relay Concept
Pin
Diagram
Abul Khair Group
Relay Concept
Pin
Diagram
Abul Khair Group
Relay Concept
Pin
Diagram
Abul Khair Group
Relay Concept
8 Pin
Base
Abul Khair Group
Relay Concept
8 Pin Base
Abul Khair Group
Relay Concept
Relay
Application
1. Signal Change
2. Device Protection
Abul Khair Group
Relay Concept
Applicatio
n
Abul Khair Group
Relay Concept
Applicatio
n
Abul Khair Group
Relay Concept
Applicatio
n
Abul Khair Group
Relay Concept
Applicatio
n
Abul Khair Group
Relay Concept
Applicatio
n
Abul Khair Group
Relay Concept
Applicatio
n
Abul Khair Group
Relay Concept
Applicatio
n
Abul Khair Group
Relay Concept
Solid State
Relay
Abul Khair Group
Relay Concept
Solid State
Relay
Solid state relay (SSR) is an electronic switching
device made of semiconductors that switch (On &
Off) a high voltage circuit using a low voltage at its
control terminals.
Abul Khair Group
Relay Concept
Relay Concept
Abul Khair Group
Relay Concept
Relay Concept
Abul Khair Group
Relay Concept
Relay Concept
anks
Abul Khair Group
Thanks to all
Electrical Switch

Electrical Relay Working Principle and design