Simulating a changing load in an electrical power system

2011 3 31
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更新时间：2020 11 20
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I have to simulate a transmission line in an electrical power system. How do I simulate a load if this load is raised every minute?

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Jan
Jan 2011-3-31
Please add any details to your question: Are you working with Matlab or Simulink, does "simulate" means real-time processing or do you integrate an ODE?
Jan
Jan 2011-4-4
@nur hadi: I answer questions here in this forum. Sending emails will not increase my motivation to reply.
I have no experiences with Simulink. The lack of answers is a strong indication for an incomplete question. Without the necessary details, a meaningful reply is impossible.
nur hadi
nur hadi 2011-4-6
I'am using SimPowerSystems in simulink matlab 2010a. I try simulate a constant power load at a bus growing per minutes. Power rate with 0.932 inductive power factor..

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Arnaud Miege
Arnaud Miege 2011-4-5

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It sounds like you are using SimPowerSystems. If your load is a resistive load, you may want to try the approach described here to model a variable resistor. You can then use standard Simulink blocks to construct the signal of resistor value as a function of time. If it's not a resistive load, then you need to provide more details.
HTH,
Arnaud

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nur hadi
nur hadi 2011-4-6

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yes mr arnaud, I'am using SimPowerSystems in simulink matlab 2010a. I try simulate a constant power load at a bus growing per minutes. Power rate with 0.932 inductive power factor.. can you help me to simulate this..

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Arnaud Miege
Arnaud Miege 2011-4-6
I'm sorry, I don't really understand your question. My background is not in electrical power systems. As I said, if you want to vary the resistive load on your electrical power system, you can use a variable resistor and vary the value of the resistor with time using standard Simulink blocks. Check out the link I provided.
Arnaud
nur hadi
nur hadi 2011-4-6
ok mr arnaud, thank you very much..
Mr arnaud, do you have friend who have background in electrical power systems..
Arnaud Miege
Arnaud Miege 2011-4-6
Have you had a look at the demos provided in SimPowerSystems? There are quite a few of them and one of them may be a good starting point for your application.
Help browser -> SimPowerSystems -> Demos
Arnaud
nur hadi
nur hadi 2011-4-6
I have did it, but I had't find it.. So I try asking someone here to get other answer..

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Yuling
Yuling 2011-4-17

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Hi Nur/Arnaud,
I have tried downloading both 2010a/b and 2009a/b version of matlab and none of them seems to have simpowersystems. I got this folder from my professor and saved it under the matlab folder and still doesn't help. Can you give me some advice?
Thank you in advance
Best, Yuling

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Arnaud Miege
Arnaud Miege 2011-4-17
Where did you download MATLAB from? SimPowerSystems is an add-on to Simulink, which is itself an add-on to MATLAB. So you need to purchase Simulink and SimPowerSystems as well as MATLAB.

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dhrgham
dhrgham 2013-12-21

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plz does anyone have matlab simulink of ieee 6 bus test power system model
Aradhana Ray
Aradhana Ray 2020-11-20

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Transmission lines are groups of wires, called conductors, that carry electric power from making plant life to the substations that deliver power to customers. At a generating plant, electric power is “stepped up” to numerous thousand volts by a transformer and brought to the transmission line.

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