How to make ac welding in simulation?
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I made a circuit in the schematic but I could not put the 10Sin200πt signal source properly. I need to prepare this circuit and see the wave in the simulation for school homework. Circuit i have to do: ![resim_2020-11-18_182455.png](//image.easyeda.com/pullimage/HikzFUSRrzttSsaup1xlD8iWZbao3NtsiVtV6BCi.png) The circuit I built: ![resim_2020-11-18_182559.png](//image.easyeda.com/pullimage/aY89tQAhZjFEkXB54Jlr2d5VheCBfV3If2fvISW6.png) The settings for the signal are like this, how can I properly set it to 10Sin200πt?: ![resim_2020-11-18_182748.png](//image.easyeda.com/pullimage/qDJQvSju8zuJHeOZFhM91yjanctRJ6UPIcK4FDaI.png)
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The deadline for my homework is tomorrow. Is there anyone to help?
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andyfierman 6 days ago
This shows the relationship between A\*sin\(2\*pi\*f\*t\) and the parameters needed to configure the SINE source: ![image.png](//image.easyeda.com/pullimage/lPZCMgdUJdf7TCdoFyVvJQZyq5pN4gTenS9p0edo.png) * You must also study the Simulation Tutorial, paying particular attention to the section on Configuring Voltage and Current Sources: [https://docs.easyeda.com/en/Simulation/Headings/index.html](https://docs.easyeda.com/en/Simulation/Headings/index.html)
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I looked at the tutorial and did not understand much. I adjusted it according to what you wrote. Now I think I need to get the 10Sin200pi*t result: ![resim_2020-11-18_195626.png](//image.easyeda.com/pullimage/pUUEZ3vPl5gELmhiABUcK3B7BuTxqvsXkxADoOdZ.png) my circuit looks like this now: ![resim_2020-11-18_195723.png](//image.easyeda.com/pullimage/wpnJy1Ki9pSgmSBZEW1CVLdZWJO0CLI6BNz9Ud7Y.png) The graph looks like this (it doesn't look right to me): ![resim_2020-11-18_195904.png](//image.easyeda.com/pullimage/Focke19aCtdhE85wdc58HpA3qp3CJmisnUcBBUni.png)
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andyfierman 6 days ago
Two things: 1. Why have you set Theta to 1? You do not want a decaying sinusoid (go back and study the examples in the section I pointed you to!);  2. Run the sim for longer to see the steady state. If you make your project public instead of posting images of it, then you may get more help.
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andyfierman 6 days ago
And post the link to the public copy of the project please.
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This is my first time using Easy EDA, I didn't know the project could be shared, but it was great to have this feature. Since my English is not very good, I don't understand much from Tutorials so I ask you. I asked for help. I did not set theta as 1, I did not understand what it was, I left it in the default setting. I shared the project as you said (I hope I got it right: /): [https://easyeda.com/tunayeniyayla/deney-1-soru](https://easyeda.com/tunayeniyayla/deney-1-soru)
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andyfierman 6 days ago
That is why we tell people to run and play with the examples in the Simulation Tutorial. * You should be able to translate the text well enough in Google or Bing translate so then you do not just read the text, you can see what the text is telling you.  * If you are going to use a tool that is as capable as EasyEDA for college work then you owe it to yourself to read the Tutorials to learn how to get the best out it. * No one is going to do your homework for you but there are people willing to help you so you must be prepared to do the work to understand the information that they give you. :)
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You are very right, I absolutely agree. From now on I will use easy eda, I like it so far. You are right that nobody will do my homework for me :) I cannot ask for such a thing I have no right. As you said, I will read tutorials as much as with translation. I wrote it here because my problem seemed very specific. I still do not understand its logic yet, I continue to read tutorials.
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andyfierman 6 days ago
@tunayeniyayla, Glad that you like EasyEDA. Any questions, please post back. If it makes it easier, you can post in your native language and we can translate using Google or Bing. :)
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Thank you, I have no problem right now, I submitted my homework. Google Translate seems to translate from Turkish to English quite well. On the one hand, I'm trying to improve my English, but for now I will use Google translate for a while :)
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andyfierman 5 days ago
@tunayeniyayla, Your English is pretty good. I have tried to write documents in plain English so that they are translate well but that can be a challenge for complicated ideas. If you find anything that is not clear, let me know and I will try to rewrite. One of the most important things to understand about simulation is that you have think much harder about real world circuits in order to understand some of the simulation results. In classroom and textbook examples, switches are always ideal: they have infinite open circuit and zero closed circuit resistances. In a simulator, switches always have a finite off resistance. It may be very large but it is not infinite. This is also true of switches in the real world. The effects of this always catches people out and are explained in the Avoiding Common Mistakes section of the Simulation Tutorial: [https://docs.easyeda.com/en/Simulation/Chapter4-Introduction-to-using-a-simulator/index.html#Every-point-in-a-simulation-schematic-MUST-have-a-DC-path-to-ground](https://docs.easyeda.com/en/Simulation/Chapter4-Introduction-to-using-a-simulator/index.html#Every-point-in-a-simulation-schematic-MUST-have-a-DC-path-to-ground) In classroom and textbook examples, capacitors have infinite DC resistances, zero series resistances and inductances and inductors have zero series resistances, no resistive parallel resistance or capacitances. This is true for the default LC components in a simulator. Real world L and C components have these so-called parasitic elements which can be added. Other real world effects such as inductor saturation and other core effects and capacitor dielectric effects can also be added. :)
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