Register to reply

Node voltage Analysis with voltage controlled voltage source

by forsaken231
Tags: analysis, controlled, node, source, voltage
Share this thread:
Sep2-11, 03:09 AM
P: 3
1. The problem statement, all variables and given/known data
Here is the circuit

3. The attempt at a solution
I've tried it a few ways, but the one I'm going for at the moment is this

Node 1: (v1-v2)/10 + (v1-v3)/15 + v1 /5 = 1
Node 2: (v2-v1)/10 + (v2-v3)/10 + v2 / 5 = 2
Node 3: 2Vx where Vx = (v2 - v1)/10

When I solve I don't get the correct answers:
Node 1: 5.405V and Node 2: 7.297V

I tried doing equations without a 'node 3' involved but they just didnt work out either. If i DO only need to use 2, please explain to me how to do so, I'm really stuck :(
Phys.Org News Partner Science news on
Scientists develop 'electronic nose' for rapid detection of C. diff infection
Why plants in the office make us more productive
Tesla Motors dealing as states play factory poker
Sep2-11, 04:23 AM
PF Gold
P: 1,053
Don't have time to dive into this thing yet, but this is not helping:
Node 3: 2Vx where Vx = (v2 - v1)/10
should be vx = v2 - v1
Sep2-11, 05:05 AM
P: 3
You're a lifesaver, figured it out.
It's always the small things that get me, stupid dependency equations.

Thank you :)

rude man
Sep2-11, 02:55 PM
HW Helper
PF Gold
rude man's Avatar
P: 4,856
Node voltage Analysis with voltage controlled voltage source

I assume you dug up the 4th equation? 4 unknowns need 4 equations: v1, v2, v3, vx.
Of course, the 4th is obvious ....
Sep3-11, 05:13 AM
P: 3
haha i had the 4th equation i just wrote it wrong >.<

Register to reply

Related Discussions
Node voltage w/ voltage source Electrical Engineering 3
Modified nodal analysis with Voltage Controlled Voltage Source Electrical Engineering 1
Voltage Controlled Current Source Electrical Engineering 8
CIRCUITS: Current Controlled Voltage source, Indep. Voltage source, Four resistors... Introductory Physics Homework 1