- #1
himanshushanka
- 6
- 0
Please suggest what does N1 and N2 mean in the attached dc network.
Understanding N1 and N2 in DC Network: A Comprehensive Guide
In summary, N1 and N2 in the attached DC network most likely represent nodes in the circuit and can be analyzed using Kirchhoff's Current Law (KCL). However, the given information is insufficient to fully understand the circuit and make sense of the currents. The problem seems to suggest that if the upper and lower corners of the bridge are shorted, 1A of current will flow from the upper to the lower corner due to a power source. However, this assumption leads to contradictory information and a lack of external resistors in the circuit.
- #2
- 19,038
- 14,625
As far as I can tell, it is utterly meaningless without further information.
- #3
the_emi_guy
- 766
- 79
I believe they simply denote nodes. Apply KCL to them.
- #4
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- 14,625
the_emi_guy said:
That makes no sense. They have different currents going in/out but nothing to show how that affects the rest of the circuit.
- #5
the_emi_guy
- 766
- 79
phinds said:
The problem is essentially indicating that if the upper and lower corners of the bridge are shorted, we will get 1A flowing from the upper to the lower corner. This is possible since the bridge includes a power source. Just apply KCL to each of the nodes, N1 must have 1A arriving from bridge, N2 must have 1A returning to bridge.
- #6
the_emi_guy
- 766
- 79
@phinds
You know what, this does make no sense. If it is assuming a short between upper and lower corners, then the voltage in question would be zero.
If we assume that the voltage is non-zero, and we can see that there is 1A of external current associated with it, this means that the bridge is resistively loaded. But there is no resistor external to the bridge shown, only node numbers.
Stupid problem.
You know what, this does make no sense. If it is assuming a short between upper and lower corners, then the voltage in question would be zero.
If we assume that the voltage is non-zero, and we can see that there is 1A of external current associated with it, this means that the bridge is resistively loaded. But there is no resistor external to the bridge shown, only node numbers.
Stupid problem.
- #7
NascentOxygen
Staff Emeritus
Science Advisor
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I'm flummoxed, too.himanshushanka said:
- #8
gneill
Mentor
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How about: N1 and N2 represent supernodes; we don't know what's inside each, but they are independent networks with three outside connections each. The currents between the two are shown, leaving us to deduce the remaining currents...
- #9
CWatters
Science Advisor
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Seems reasonable.
FAQ: Understanding N1 and N2 in DC Network: A Comprehensive Guide
What is a DC Network?
A DC Network, also known as a Direct Current Network, is a type of electrical network that delivers electricity in one direction through a closed loop. It is different from an AC (Alternating Current) network, which delivers electricity in both directions through a continuous cycle.
How does a DC Network work?
In a DC Network, electricity flows from a power source, such as a battery or solar panel, through a conductor to a load, such as a lightbulb or motor. The flow of electricity is controlled by switches and can be directed to multiple loads within the network.
What are the advantages of a DC Network?
One advantage of a DC Network is its efficiency. Since DC electricity only flows in one direction, there is less energy loss compared to AC networks, which experience energy loss due to the constant change in direction of the electricity. Additionally, DC Networks are often used in small, localized systems, making them easier to maintain and repair.
What are the applications of DC Networks?
DC Networks are commonly used in low voltage applications, such as in electronics and small electrical devices. They are also used in renewable energy systems, such as solar panels, as they can efficiently convert and store DC electricity from the sun. In recent years, DC Networks have also been implemented in larger systems, such as data centers, to improve energy efficiency.
What are the challenges of using DC Networks?
One challenge of DC Networks is the lack of established standards and infrastructure compared to AC networks. This makes it more difficult to integrate DC networks into existing power grids. Additionally, DC Networks require specialized equipment for conversion and control, which can be costly. However, with advancements in technology, these challenges are being addressed and DC Networks are becoming more prevalent.
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