Three phase rectifier output

In summary, to draw a graph of the output voltage waveform of a 3 phase half wave rectifier (unfiltered) with an AC input voltage of 24.0 V rms, you can use the formula for average output voltage level of 1.17 x AC input (rms). The peak output voltage level can be found by multiplying the average output voltage level by √2. A graph with the x-axis labeled as "Time (ms)" and the y-axis labeled as "Voltage (V)" with a scale of 1 ms per division for the x-axis and 10 V per division for the y-axis can be used as a reference, with the peak and average output voltage levels indicated with dotted lines.
  • #1
edsys89
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Homework Statement




Draw a graph of the output voltage waveform of a 3 phase half wave rectifier (unfiltered), when the AC. input voltage is 24.0 V rms. Label both axes with a title and scaling, and indicate peak and average output voltage levels.

Homework Equations



Average output voltage level = 1.17 X AC input (rms)
= 1.17 x 24
= 28.08 VDC

The Attempt at a Solution



How do I find the peak of the DC output?
 

Attachments

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  • #2


Hello!

To find the peak of the DC output, you can use the following formula:

Peak output voltage level = Average output voltage level x √2

In this case, the peak output voltage level would be approximately 39.8 VDC.

I have attached a graph of the output voltage waveform for your reference. The x-axis is labeled as "Time (ms)" and the y-axis is labeled as "Voltage (V)". The scaling for both axes is not specified, so I have used a scale of 1 ms per division for the x-axis and 10 V per division for the y-axis. The peak and average output voltage levels are indicated on the graph with dotted lines.

I hope this helps with your assignment! Let me know if you have any further questions.
 
  • #3



I would like to first clarify that the term "peak" is usually used to describe the maximum value of a waveform. In the case of a half wave rectifier, the output waveform would have a peak value of the maximum positive voltage, which would be equal to the peak value of the AC input voltage. In this case, the peak value of the DC output would also be 24.0 V.

However, if you are referring to the peak-to-peak value of the output waveform, this can be calculated by multiplying the peak value by 2. In this case, the peak-to-peak value of the output waveform would be 48.0 V.

I would also like to mention that the average output voltage level provided in the question is an approximation and may vary depending on the specific circuit parameters and design. It is always important to consider the specific circuit and its characteristics when calculating the output voltage.
 

1. What is a three phase rectifier output?

A three phase rectifier output is the result of converting AC power from a three phase power source into DC power. It is achieved by using a rectifier circuit, which consists of diodes that only allow current to flow in one direction.

2. How does a three phase rectifier output work?

A three phase rectifier output works by using three sets of diodes to convert the three phases of AC power into DC power. Each set of diodes is connected to one phase of the AC power source and only allows current to flow in one direction. The resulting output is a pulsating DC voltage.

3. What are the advantages of a three phase rectifier output?

There are several advantages of using a three phase rectifier output, including a higher efficiency compared to single phase rectifiers, a more stable output voltage, and the ability to handle higher power loads. It also allows for a smaller and more compact design, making it ideal for industrial and commercial applications.

4. What are the different types of three phase rectifier outputs?

There are three main types of three phase rectifier outputs: half-wave, full-wave, and bridge rectifiers. Half-wave rectifiers use only one set of diodes to convert one phase of AC power, resulting in a lower output voltage. Full-wave rectifiers use two sets of diodes to convert two phases of AC power, resulting in a higher output voltage. Bridge rectifiers use all three phases of AC power, resulting in the highest output voltage.

5. What are some common applications of three phase rectifier outputs?

Three phase rectifier outputs are commonly used in industrial and commercial settings to power large loads such as motors, generators, and other equipment. They are also used in power transmission and distribution systems to convert AC power to DC power for long distance transmission. Additionally, they can be found in electronic devices such as power supplies and battery chargers.

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