- #1
geft
- 144
- 0
Are my equations correct?
I_3=I_1+I_2
V_{S1}=I_1(R_1+jwL_1+jwL_3+R3)-I_2(jwL_3+R_3+M)
-V_{S2}=I_2(R_3+jwL_3+jwL_2+R2)-I_1(jwL_3+R_3+M)
Checking Equations: Are They Correct?
- Thread starter geft
- Start date
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SUMMARY
The forum discussion centers on verifying the correctness of electrical circuit equations involving current (I) and voltage (V) relationships. The equations presented are I_3=I_1+I_2 and V_{S1}=I_1(R_1+jwL_1+jwL_3+R3)-I_2(jwL_3+R_3+M). A critical point raised is the distinction between the two I_2 variables, which must flow in opposite directions. The discussion concludes that the equations are valid under the assumption that V2 equals 0.
PREREQUISITES- Understanding of electrical circuit theory
- Familiarity with complex impedance (jwL)
- Knowledge of Kirchhoff's laws
- Ability to interpret circuit diagrams
- Review complex impedance in AC circuits
- Study Kirchhoff's voltage and current laws in detail
- Learn about circuit simulation tools like LTspice
- Explore the implications of assuming zero voltage in circuit analysis
Electrical engineering students, circuit designers, and professionals involved in circuit analysis and verification.
Are my equations correct?
I_3=I_1+I_2
V_{S1}=I_1(R_1+jwL_1+jwL_3+R3)-I_2(jwL_3+R_3+M)
-V_{S2}=I_2(R_3+jwL_3+jwL_2+R2)-I_1(jwL_3+R_3+M)
- #2
gneill
Mentor
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Your loop equations look okay provided that your I2 is not the same as the I2 indicated on the diagram (they are assumed to be flowing in opposite directions).
Last edited:
- #3
geft
- 144
- 0
Ah, my bad for not posting the complete question. For the first part, V2 is assumed 0, so they should be okay. Thanks!
TL;DR: determine the internal force of member OA
Hi I'm struggling with this problem. I have calculated the angle to be 45 degrees with tan(theta) = a/a. A is a roller which only has Ay and O has Ox & Oy as a fixed pin. (see fbd.png) is my FBD correct?
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