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An AC capacitor is a component in electrical systems that stores and releases electrical energy. It helps to improve the efficiency and power factor of the system by providing a temporary boost of power when needed. The capacitor works by storing charge on its plates, which can then be discharged to help maintain a stable voltage and current flow in the circuit.

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4mo ago

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The AC compressor capacitor in an air conditioning system helps to start the compressor motor and keep it running smoothly by providing an extra electrical boost when needed.


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Where is the fan capacitor on central ac unit?

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Application of capacitor?

A capacitor in its simplest form is merely two electrically conductive plates separated by an insulator from each other. As such the capacitor will block any DC voltage from passing through it, up to the electrical dielectric strength of the insulator. The capacitor will accept a DC charge and an electrical field will exist between the plates of the capacitor. The capacitor will retain this charge until it either leaks away via the high electrical resistance of the insulator, or is intentionally discharged. When an AC or varying voltage is applied to a capacitor, a varying electrical field is set up between the plates of the capacitor. This will thus pass through the capacitor, and can be seen on the opposite plate. Thus, a capacitor will pass an AC voltage. Now,as to the question, " application of Capacitor". One of the oldest and most useful of capacitor applications is filtering or smoothing the output of an AC to DC power supply. In this supply, an AC voltage is rectified by a diode into a varying DC voltage. A capacitor is placed across the output, and serves to supply voltage or "fill in" the output whenever the output voltage is less than the capacitor. The capacitor subsequently recharges on the next cycle and repeats the process. Thus, the output voltage of the power supply is smoothed out.