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High Voltage Engineering by MG Niasar
Netherlands
เข้าร่วมเมื่อ 13 ธ.ค. 2019
In this channel I am going to cover high voltage engineering topics as well as my hobby. The topics are divided into four categories.
1- Background knowledge in physics and electrical engineering
2- Theory of high voltage engineering
3- High voltage experiments
4- Multiphysics modeling of high voltage components
5- Power electronics experiments
6- Other experiments (my hobby)
- I try to keep the theory part as simple as possible but in general this section would be more understandable for BSc and MSc and PhD students in electrical engineering and physics.
- To better demonstrate some concepts I will sometime add numerical simulation, mostly using Matlab and COMSOL Multiphysics.
- The experimental section would be understandable by most of people and will be linked to our theoretical knowledge as much as possible.
- My hobby section will mostly circle around scientific experiments on topics related to electrical, computer and mechanical science.
1- Background knowledge in physics and electrical engineering
2- Theory of high voltage engineering
3- High voltage experiments
4- Multiphysics modeling of high voltage components
5- Power electronics experiments
6- Other experiments (my hobby)
- I try to keep the theory part as simple as possible but in general this section would be more understandable for BSc and MSc and PhD students in electrical engineering and physics.
- To better demonstrate some concepts I will sometime add numerical simulation, mostly using Matlab and COMSOL Multiphysics.
- The experimental section would be understandable by most of people and will be linked to our theoretical knowledge as much as possible.
- My hobby section will mostly circle around scientific experiments on topics related to electrical, computer and mechanical science.
ChatGPT does not work in Mozilla Firefox - A quick fix
The lovely ChatGPT stopped working in Mozilla, so a quick fix was needed. After finding it, I thought of sharing it-hopefully, it saves others some time.
Finance: N=82
subs=5780
Available budget (N):5780-100-82*(82+1)=-1126
Storage limit: 2^ln(5780)=405,1
Finance: N=82
subs=5780
Available budget (N):5780-100-82*(82+1)=-1126
Storage limit: 2^ln(5780)=405,1
มุมมอง: 206
วีดีโอ
A beautiful inequality that I could not forget
มุมมอง 76721 วันที่ผ่านมา
Every now and then when TH-cam suggests me a math problems, even if I am tired or have a lot of deadlines, I can be easily dragged into solving that math problem. It feels great, the logic and the fact that you know the rules are known and do not change and you just need to find out how to combine them to find your way. Several times during the past years I promised myself that when my universi...
Shape optimization in COMSOL Multiphysics - part 1
มุมมอง 151หลายเดือนก่อน
In this video I will show you the basic of shape optimization in COMSOL Multiphysics. We try to find a 2D shape that has minimum perimeter for a given fixed area. based on Isoperimetric theorem we know that this shape should be a circle. This example does not involve a physics, however in the next videos I will show you examples that involves electrostatics physics. Also in a separate video I w...
How to create a new component using Simscape language in MATLAB Simulink
มุมมอง 280หลายเดือนก่อน
In this video I show you how to make a new component using Simscape language in MATLAB Simulink. For one of my students, The great Sohrab, we needed to create a transformer with multiple windings in Simscape. Such component is not available in the existing Simulink library, so I studied how to create a new component in Simulink. This video shows the procedure. In a later video I will show you h...
How to measure large resistances (up to 10s of Giga Ohm) using a normal Multimeter
มุมมอง 2993 หลายเดือนก่อน
In this video I will show you how to measure large resistances using a normal Multi-meter and a bench power supply. In a second video I will make a tiny electronics circuitry so that using same setup we can measure up to 10s of Tera Ohm and also how to measure polarization and depolarization current. It was for more than half a year that due to very busy life and work I could not upload any TH-...
How to add an equation in Visio & How to draw a shape programmatically in Visio
มุมมอง 1.6K11 หลายเดือนก่อน
In this video I show you how to add an equation into a Visio drawing. Also I show you how to change the limits of a control point that are available on some of Visio shapes. Finally I will show you how to make a relatively complicated/repetitive shape, programmatically utilizing ChatGPT and programing in VBA. It has been again a long time since I made my last video. These days workload has incr...
How to calculate inductance in 3D in COMSOL Multiphysics
มุมมอง 2Kปีที่แล้ว
In this video I show you how to perform a 3D model in COMOSL to calculate inductance. It is very important to check the quality of the mesh before running the simulation. Also make sure that number of meshes are not so high that your computer ram can not handle them. I showed the simulation for two cases, a rectangular loop, and a rectangular loop with a toroid around it. After more than 2 mont...
Repairing a broken card holder
มุมมอง 4.2Kปีที่แล้ว
My card holder (Secrid brand) dropped from my hand and its movement mechanism broke. It was given to me as a gift so I had to repair it. I repaired it a while back by melting it together but again it fell of my hand and totally broke. This time i decided to repair it properly. The waves of documents and theses to review and preparation for an upcoming talk and a conference to participate and le...
How to convert image into curve in COMSOL
มุมมอง 1.3Kปีที่แล้ว
Sometime you have an image of an object and you you want to convert it into a workable geometry in COMOSL or you want to make a 3D print of that object. While COMSOL permits you to import .dxf files, but your image is most likely a .png or .jpg file. Obviously in a professional image editing software you can convert an image into a vector and create a .dxf file but you may not have such softwar...
How to make double layer tea
มุมมอง 311ปีที่แล้ว
Hi, I am back :), after nearly two months of not being able to make any video, i got some time to make a short video, and more new technical videos will come soon. Life has been so much busy this whole summer. So many students. A few of my master students have graduated, Mahesh, Ewout, Gijs and Shibanni, congratulations to all of you for the excellent job you all did in your master thesis work....
How to make Weibull probability plot and its confidence bounds in MATLAB + median rank explanation )
มุมมอง 3.8Kปีที่แล้ว
Eventually after several years I got time to make a video about Weibull distribution and how to plot its confidence intervals. I wanted to make this video several years ago, but due to the fact that I could not find the proof of one formula i put it aside. Recently one of my student needed to plot confidence bounds of Weibull plot. I decided to explain how to do it in MATLAB. Also since I could...
How to run a Simulink model for different input parameters and plot the simulations results
มุมมอง 3.6Kปีที่แล้ว
I needed to perform a sensitivity analysis on a Simulink model, so I decided to show how you can run a Simulink model many times and study impact of input parameters on the simulation output. It is very obvious, but maybe become of some help to some of the new MATLAB users. More than 40 days has passed and I could not manage to make any videos. My friend Luis was going to come to my home and it...
How to make conductive paint ( Graphite powder + Nail Hardener or Acrylic Varnish )
มุมมอง 17Kปีที่แล้ว
For a research project we needed to create a semi conductive layer around the test object. We tried silicone rubber and carbon black at university but could not achieve much conductivity. Our silicone rubber could not take much of carbon black in it and with high percentage of carbon black it turned into a solid paste which could not be cured. I therefore decided to take the matter to home and ...
How to draw a spiral structure in COMSOL + how to assign colours to domains and boundaries in COMSOL
มุมมอง 2.2Kปีที่แล้ว
In this video I show you how to create a spiral structure in COMSOL and also i show you how to assign different colors to domains and boundaries. For a master thesis project we want to make a HVDC source based on wireless power transfer. We therefore needed to make a spiral structure to hold the litz wire and hence we could create a pancake coil. Talented master student, Suraj has created this ...
Flame rectification and physics behind it ( flame based diode )
มุมมอง 4.1Kปีที่แล้ว
Flame has a property that can be used to rectify AC voltage. Basically the flame can act as a diode, However the amount of current that can pass through the flame is rather small so it has limited application. One of the application of flame rectification is to detect if there is a flame or not. This can act as a safety device and can provide information if the burner has flame or not. I will e...
Electric field and candle flame + measurement of candle flame electrical conductivity
มุมมอง 875ปีที่แล้ว
Electric field and candle flame measurement of candle flame electrical conductivity
Effect of electric field on a candle flame ( ionic wind )
มุมมอง 2.4Kปีที่แล้ว
Effect of electric field on a candle flame ( ionic wind )
Impact of air humidity on streamer length of a Tesla coil
มุมมอง 7702 ปีที่แล้ว
Impact of air humidity on streamer length of a Tesla coil
Save +90% of your heating cost during the winter using an old Iranian technology ( Korsi کرسی )
มุมมอง 1.2K2 ปีที่แล้ว
Save 90% of your heating cost during the winter using an old Iranian technology ( Korsi کرسی )
Charged particle tracing ( ray tracing ) in COMSOL Multiphysics
มุมมอง 5K2 ปีที่แล้ว
Charged particle tracing ( ray tracing ) in COMSOL Multiphysics
Rice Engine v2 ( How to make an improved Thermoacoustic Heat Engine )
มุมมอง 1.6K2 ปีที่แล้ว
Rice Engine v2 ( How to make an improved Thermoacoustic Heat Engine )
Self starting Thermoacoustic heat engine
มุมมอง 2.2K2 ปีที่แล้ว
Self starting Thermoacoustic heat engine
Improvement of Thermoacoustic engine with glass beads (end of the Rice engine era)
มุมมอง 2.7K2 ปีที่แล้ว
Improvement of Thermoacoustic engine with glass beads (end of the Rice engine era)
Thermoacoustic engine (The Rice engine) makes very loud sound , Quarter Wave Resonator
มุมมอง 1.3K2 ปีที่แล้ว
Thermoacoustic engine (The Rice engine) makes very loud sound , Quarter Wave Resonator
Themoacoustic heat engine (The rice engine) shakes my house
มุมมอง 1.1K2 ปีที่แล้ว
Themoacoustic heat engine (The rice engine) shakes my house
How to make a thermoacoustic engine with a linear generator ( Rice engine )
มุมมอง 6K2 ปีที่แล้ว
How to make a thermoacoustic engine with a linear generator ( Rice engine )
Inductance calculation Part 2: inductance of a coaxial cable
มุมมอง 7902 ปีที่แล้ว
Inductance calculation Part 2: inductance of a coaxial cable
Dry mango and papaya under the sun ( my first attempt )
มุมมอง 4.7K2 ปีที่แล้ว
Dry mango and papaya under the sun ( my first attempt )
Current distribution in a coaxial cable + proximity effect
มุมมอง 1.2K2 ปีที่แล้ว
Current distribution in a coaxial cable proximity effect
How to couple an electric circuit with a physical model in COMSOL Multiphysics
มุมมอง 7K2 ปีที่แล้ว
How to couple an electric circuit with a physical model in COMSOL Multiphysics
Echt grossen respekt das du dich so gut auskennst. Danke dir für die ausführliche erklärung. Extremen dank. Schade das ich nicht so gut verstanden habe, kann nicht so gut englisch. Danke nochmal für die mega erklärung. Daumen hoch von mir hast und ein abo👍🏽❤️
Why not use rot rot=grad div - div grad, by this you can obtain the Bessel equation immediately.
Excellent video. I was always concerned about the plastic-like nature of acrylic varnish. I'm wondering of an animal-based product such as egg white or hide glue would be more conductive as a binder. What do you think?
babay,love u
perfect
merc soltan <3
How mach
thank you very much. you are the man !
Что за раствор который смягчает эпоксидную смолу?
ацетон , Aceton
This is the type of tutorial we all wanted 🔥
How about sprayfoam in a basketball to make a sphere?
Thank you. With help of your video I arranged gears properly in few seconds. Was struggling for hours.
Thank you. With help of your video I arranged gears properly in few seconds. Was struggling for hours.
Thank you. With help of your video I arranged gears properly in few seconds. Was struggling for hours.
Thank you. With help of your video I arranged gears properly in few seconds. Was struggling for hours.
Glasstronic made a diode by using water with baking soda in it. the video is called...... Homebrew electrolytic capacitor/full wave rectifier/half wave rectifier part 2 of 2
these non stick pans are very toxic and should be avoided
The combination of explanation of the physics behind flame rectification and the demonstration with a flame and oscilloscope was excellent. Thank you for taking the time to make this video.
Thank you!
Videogame controller makers charge a ton of money for mods that put two to four "back paddles" or "back buttons" behind a controller. They just run conductive strips from the internal button contacts to an button stuck on the outside shell body. This looks like a good alternative for the conductive strips.
inspiring!
Thank you so much. It was helpful. Would you recommend me where can I learn MATLAB please?
40 kV at 400 kHz for 40 cm sparks 🙂. You can measure voltage by attaching small sphere gap at the top of the coil (while taking care of frequency shift)
✍🏼The old lion is still a lion. It might be slow but still can bite... Very nice😅
😜این پیتر دیروز بدون هیچ دلیلی تو رو نفر اول توی مرحله یک حذف کرد 🤣 کلی خندیدم بعدش که بهش فکر کردم. بگو مرد حالا شدی جادوگر نباید که زود از قدرتت استفاده کنی بچه رو نامید کردی نزاشتی اصلا بازی کنه. 😅
@@HVE😂😂😂
thanks!
completely do not understand what you are teaching
Good job ! More optimisation problems please
Hi Can you speak with you ? Contact please
Best video on these modules so far 👍
it looks the arc like a quasi continuous wave dual resonant solid state tesla coil
I have the worst tooth pain ever. Nothing is working. The only thing that eases the pain for a small amount of time is cold cold water. I tried the clove but the pain always makes me spit out the clove to then put my teeth under cold water. Idk what to do this has been a problem for weeks. I’m stressing tf out
Great video and nicely explained!👌 I was wondering if this setup is what’s used in mega ohmmeter to measure insulation resistance? If so, why does mega ohmmeter use high voltages in the range of 5kV to 10kV?
Hi Uwais, I think one reason is to stimulate real operating condition more closely to identify any weaknesses in the insulation, and obviously the fact that higher voltage causes larger leakage current which can be measured more accurately.
Perfect Iranian version
Those 5v regulators blow up somewhere in the high 20 volts, low 30s. Yeah, it says it works to 35v, but the regulators won't last. At least that has been my experience using these boards off Amazon for 36v.
When the joule thief gets scaled up, it's not easy to get oscillation going. Ferrite cores are always much easier to deal with than iron.
Excelent, its really useful information. If i want to implement the electronic part for this reading, on wich part might be the logical ground of the circuit and the flame system, im a bit confused to implement this... Thank you.
i clicked this video knowing i'll learn something, and this is a common issue, pretty honest from you admitting it's not your original idea for kinks i have a dent on the edge of my ruined desk and i swipe the wire hard inside the dent, it works for wires that are not too thick, for thick wires i have to use my fingers
which version have you used to model this?
Amazing i got the same one but 40kv and another 100kv and i already burned 2 of them, i didnt know that the wider the arc the faster it will break. I want to ask you which of the output terminals is positive and ground, i need to know it as im connecting it to other circuit, lets say im carrying it in my left hand and looking at it from the top, the left is the positive? thanks
this was very concise and descriptive, you even answered the next logical question which was about changing duty cycle. Very nice video!!
thanks for sharing! It works.👍
my suggestionp rice husk not rice, rice husk are silica based so similar material with glass bead
what is the speed
غالی بود دمت گرم، حیف که حلقه باز بود
Cheers
I live in Florida, USA. They are invasive here and legal to kill. 😢
i tried but multiple graph not plots
sir how to add new own mosfet modal
Thank you
Time to build a ghetto capacitor with this and cling film!