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Asad Raza
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Why RMS values change during half wave rectification, full wave rectification? And why does RMS value remain constant during smoothing?
The RMS voltage of a waveform is equal to a DC voltage providing the same heating effect.Asad Raza said:Why RMS values change during half wave rectification, full wave rectification? And why does RMS value remain constant during smoothing?
RMS refers to the mean of the squares of the values. Half wave rectification gives zero for half of each cycle so the mean of the squares will be about half. The Power is just not being delivered for half the time.Asad Raza said:Why RMS values change during half wave rectification, full wave rectification?
Half/full wave rectification is a process in which an alternating current (AC) signal is converted into a direct current (DC) signal. This is achieved by using a rectifier circuit, which allows only one direction of current flow, resulting in a pulsating DC output.
The main difference between half and full wave rectification is the number of cycles of AC current that are utilized. Half wave rectification uses only one-half of the AC signal, while full wave rectification uses the entire AC signal. This results in a smoother DC output for full wave rectification.
In half wave rectification, a single diode is used to block the negative half of the AC signal, resulting in a series of positive pulses. In full wave rectification, two diodes are used to create two series of positive pulses, one for each half of the AC signal. These pulses are then smoothed out by a capacitor to create a smoother DC output.
Half/full wave rectification is commonly used in electronic devices that require a DC power supply, such as radios, televisions, and computers. It is also used in power supply circuits for electrical appliances, as well as in battery charging circuits.
The main advantage of half/full wave rectification is its ability to convert AC to DC, which is necessary for many electronic devices. Full wave rectification also produces a smoother DC output compared to half wave rectification. However, the main disadvantage is the loss of some power during the rectification process, which can result in decreased efficiency and increased heat generation in the circuit.