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Chapter 1 electro mecha device part 1

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Chapter 1 ELECTROMECHANICAL CONTROL DEVICES Industrial Electronics DEK 3113
A.What is Relays ? ,[object Object],[object Object],[object Object]
How Relays Works? ,[object Object]
Relay function ,[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],Relay Rating and Configurations
Relay parameters ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Relays Advantages & Disadvantages Moving parts (springs) limit life expectancy from 1 – 3 million cycles 4. Hold up well in extremely warm temperatures Short contact life when use for rapid switching application. 3. Low initial cost Contact bounce 2. Normally has multipole, multithrow, contact arrangement. Contact wear, thus has limitation 1. Relay operation can be seen: working or not, this simplified the troubleshooting Disadvantages Advantages
Relays Applications ,[object Object],[object Object],[object Object],[object Object]
BREAK TIME ! ,[object Object],[object Object],[object Object],[object Object]
B. What is Solenoids ,[object Object],[object Object],[object Object],[object Object]
Basic Operation of Solenoids ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Operation of Electrical solenoid DC Types ,[object Object],[object Object],[object Object],[object Object]
Operation of Solenoids AC types ,[object Object],[object Object],[object Object],[object Object],[object Object]
Selection of Solenoid ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Example application of solenoid ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
BREAK TIME ! ,[object Object],[object Object],[object Object],[object Object]
C. What is Timer ? ,[object Object],[object Object],[object Object]
Type of timer ,[object Object],[object Object],[object Object],[object Object]
Type of timer…cont ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Type of timer…cont ,[object Object],[object Object],[object Object],[object Object]

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Chapter 1 electro mecha device part 1

  • 1. Chapter 1 ELECTROMECHANICAL CONTROL DEVICES Industrial Electronics DEK 3113
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  • 7. Relays Advantages & Disadvantages Moving parts (springs) limit life expectancy from 1 – 3 million cycles 4. Hold up well in extremely warm temperatures Short contact life when use for rapid switching application. 3. Low initial cost Contact bounce 2. Normally has multipole, multithrow, contact arrangement. Contact wear, thus has limitation 1. Relay operation can be seen: working or not, this simplified the troubleshooting Disadvantages Advantages
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