Linking Lower Voltage and Higher Voltage systems?

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SUMMARY

This discussion focuses on the connection between low voltage control systems and higher voltage systems, specifically in the context of applications like thermostats controlling heaters or air conditioners. The primary method for linking these systems involves the use of relays and contactors, which act as switches to manage the flow of electricity between the two voltage levels. The discussion references the physical implementation of these components, emphasizing their role in safely controlling higher voltage devices using low voltage signals.

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  • Understanding of electrical engineering principles
  • Familiarity with relay and contactor functionality
  • Basic knowledge of circuit design
  • Experience with low voltage control systems
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  • Research the specifications and applications of different types of relays
  • Learn about contactor selection criteria for high voltage systems
  • Study circuit design for low voltage control applications
  • Explore safety standards for interfacing low and high voltage systems
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Electrical engineering students, professionals designing control systems, and anyone involved in integrating low voltage controls with high voltage applications.

dpsciarrino
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Linking "Lower" Voltage and "Higher" Voltage systems?

I'm an undergraduate in EE (entering sophomore level) and I have been wondering about how a low voltage control system is connected to a relatively higher-in-voltage system. (An example would be how a thermostat turns off and on a heater or air conditioner) I'm just wondering about the actual physical implementation, like what kinds of circuits are used to connect these two areas of one system.
 
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