How EEV works - Electronic Expansion Valve working principle, HVAC Basics

The video tutorial explains electronic expansion valves (EEVs), highlighting their efficiency and performance benefits in refrigeration systems. It covers various designs, focusing on a simplified model using a permanent magnet step motor. The tutorial details the working principle of EEVs, including their role in controlling refrigerant flow and maintaining superheat. It also describes the components involved, such as sensors and controllers, and how they interact to optimize system performance.

How does the design of an electronic expansion valve vary based on the application?

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What role do temperature and pressure sensors play in the operation of an electronic expansion valve?

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What happens to the refrigerant as it passes through the evaporator coil?

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