Drawing vectors according to the phase

In summary, the conversation discusses drawing vectors for unbalanced three-phase power systems. The speaker is having trouble understanding how to draw the vectors for Ib and Ic, and mentions that it involves coefficients in the equation. They also mention difficulty reading the subscripts and describe the process of summing vectors.
  • #1
aruwin
208
0
Hi! Ok, I got another question here. I don't understand how to draw the vectors. This is a method to simplify analysis of unbalanced three-phase power systems but I just don't understand the drawing here. Do you think you can explain how? I understand how to draw the vectors for Ia, but not for Ib and Ic. For Ia it's really easy, just draw all of them according to the phase but for Ib and Ic, they seem a little different. I know it's got something to do with the coefficients in the equation but I don't know how to draw according to that, though.
 

Attachments

  • IMG_6671.JPG
    IMG_6671.JPG
    79.7 KB · Views: 79
Physics news on Phys.org
  • #2
I am having trouble reading the subscripts - about the only one I can discern for certain is Ia but the drawing is adding (or subtracting) vectors. The vectors to be summed are placed with one starting at the origin and all the others head to tail (the origin of the second vector is at the head of the 1st vector); then a vector drawn from the origin to the head of the last component vector is the sum.
 
Last edited:

FAQ: Drawing vectors according to the phase

What is the purpose of drawing vectors according to the phase?

Drawing vectors according to the phase is a method used in science and engineering to visually represent the direction and magnitude of a physical quantity, such as force or velocity. This allows for a better understanding of complex systems and can aid in problem-solving and analysis.

How do you determine the direction of a vector according to its phase?

The direction of a vector according to its phase is determined by using a coordinate system and measuring the angle between the vector and a reference axis. The angle is measured counterclockwise from the reference axis, typically the positive x-axis.

What is meant by the "magnitude" of a vector in relation to its phase?

The magnitude of a vector refers to its size or length. In drawing vectors according to the phase, the length of the vector is directly proportional to the physical quantity it represents. This allows for a visual representation of the relative size or strength of the vector.

Can vectors have negative magnitudes in relation to their phase?

Yes, vectors can have negative magnitudes in relation to their phase. This indicates that the vector is pointing in the opposite direction of the reference axis. For example, a vector with a magnitude of -5 in the x-direction would be drawn pointing to the left on a coordinate system.

How do you accurately draw vectors according to the phase on a coordinate system?

To accurately draw vectors according to the phase on a coordinate system, you must first determine the direction and magnitude of the vector. Then, using a protractor and ruler, you can draw the vector with the correct angle and length on the coordinate system. It is important to label the vector with its magnitude and direction for clarity.

Similar threads

Optimizing Phase Current Measurements with Shunt Resistors
Replies
6
Views
1K
How to draw phase portrait for 2x2 nonlinear system of DE?
Replies
1
Views
811
How Do I Draw a Decay Scheme in Radiochemistry?
Replies
1
Views
333
MHB How Do You Use TikZ to Draw a Parallelogram?
Replies
1
Views
1K
What should I consider when sketching a vector field?
Replies
17
Views
1K
Drawing diagrams in physics is so difficult for me!
Replies
13
Views
2K
I How to draw the following vector field?
Replies
6
Views
1K
B Simple Derivation Of Euler's Formula And Applications
Replies
2
Views
1K
I Hidden phase in polarization tests of Bell's inequality?
2
Replies
49
Views
3K
Find IA, IB, IC, I1, I2, V0, VA Solutions
Replies
9
Views
2K

Hot Threads

Recent Insights

Back
Top