Three phase system phasor diagram

In summary, a three-phase system involves three equal voltages with symmetric phase angles. Drawing a phasor diagram for this system is no different from drawing any other phasor diagram, and a quick online search should provide helpful explanations.
  • #1
JohnielWhite
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Can anyone with knowledge of three phase system please explain the concept behind phasor diagrams and how to draw one based off given phase angles for both current and voltage? Thanks in advance for your time.
 
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  • #2
JohnielWhite said:
Can anyone with knowledge of three phase system please explain the concept behind phasor diagrams and how to draw one based off given phase angles for both current and voltage? Thanks in advance for your time.

A three-phase circuit generates, distributes, and uses energy in the form of three voltages equal in magnitude and symmetric in phase.

As to how you would draw the phasor diagrams, it is identical to how you would draw any other phasor diagram, there is no difference.

If this is what you're confused about, a quick search either on this forum or google should lead to some pretty promising results.
 
Last edited:
  • #3
thanks much for your response... it's much appreciated...
 

1. What is a three phase system?

A three phase system is a type of electrical power distribution system that uses three alternating currents that are evenly spaced out from each other. It is commonly used in industrial and commercial settings to power large machinery and equipment.

2. What is a phasor diagram?

A phasor diagram is a graphical representation of the magnitude and phase angle of a sinusoidal waveform. It is used to visualize and analyze the relation between different waveforms in a three phase system.

3. How is a phasor diagram used in a three phase system?

In a three phase system, a phasor diagram is used to represent the three different alternating currents and their relative amplitudes and phases. This helps in understanding the overall power distribution and identifying any imbalances or issues in the system.

4. What is the significance of the angles in a three phase system phasor diagram?

The angles in a three phase system phasor diagram represent the phase difference between the three alternating currents. This phase difference is important for maintaining a balanced power distribution and avoiding any power loss or damage to equipment.

5. How can changes in the phasor diagram affect a three phase system?

Changes in the phasor diagram, such as changes in the magnitude or phase angle of the currents, can affect the overall power distribution in a three phase system. It can lead to imbalances, power loss, and potential damage to equipment if not properly monitored and corrected.

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