Pulse width Modulation for Power Electronic Converters by Dr. G. Narayanan,Department of Electrical Engineering,IISc Bangalore.For more details on NPTEL visit http://nptel.ac.in
Views: 5308 nptelhrd
Get professional PCBs for low prices from www.pcbway.com --~-- IN this video we look at how to measure ripple and distinguish it from noise when looking at power supply output. Yeeco DC DC Buck Voltage Regulator Power Converter - http://amzn.to/2iTNMsm 5A DC-DC Adjustable Step-Down Buck - https://goo.gl/EuCMni If you like the videos and want to keep help keep this channel alive, please visit the Patreon page and a pledge a dollar a month. This will be much appreciated and get you some exclusive perks available only to Patreon supporters, http://www.patreon.com/Learnelectronics If a recurring monthly commitment makes the hairs on the back of your neck stand up, but you still want to help support the channel you can send a PayPal gift to [email protected] Please make sure you tell me your YouTube name in the note so I know who to thank.
Views: 4870 learnelectronics
Get Your Crash Course Physics Mug here: https://store.dftba.com/products/crashcourse-physics-mug Bridges... bridges, bridges, bridges. We talk a lot about bridges in Physics. Why? Because there is A LOT of practical physics that can be learned from the planning and construction of them. In this episode of Crash Course Physics, Shini talks to us about a particular mistake made in engineering the Millennium Bridge which allows us to talk about simple harmonic motion. -- Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashC... Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support CrashCourse on Patreon: http://www.patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
Views: 706881 CrashCourse
Get Your Crash Course Physics Mug here: https://store.dftba.com/products/crashcourse-physics-mug Waves are cool. The more we learn about waves, the more we learn about a lot of things in physics. Everything from earthquakes to music! Ropes can tell us a lot about how traveling waves work so, in this episode of Crash Course Physics, Shini uses ropes (and animated ropes) to talk about how waves carry energy and how different kinds of waves transmit energy differently. -- Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashC... Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support CrashCourse on Patreon: http://www.patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
Views: 786518 CrashCourse
this video is about trick to remember the formula to find ripple factor and also to remember the value of half wave rectifier and full wave rectifier ripple factor values. online exam centre is best place to find updates on current affairs,daily updates,gk trick,technical knowledge,technical guruji,pdf,study material,questions practice,practice paper,tricks,gk tricks,online exam facility,tutorial videos,most importent questions,easy solution,theory classes,video lectures,technical and nontechnical subjects The output of a rectifier is consists of a dc component and an ac component. This ac component is undesirable and cause for the pulsations in the rectifier output. So the ac component present in the pulsating output i.e. in the rectifier output is known as Ripple. Ripple Factor:- The ratio of r.m.s. value of a.c. component to the d.c. component in the rectifier output is known as ripple factor i.e. Ripple factor = r.m.s. value of a.c component / value of d.c. component=Iac/Idc The ripple factor is a measure of the quality of the rectification of an AC current. The DC output of an ideal full wave rectifier should be a "straight line" (i.e. the output should have a constant value), but due to imperfections in the rectifier design or implementation the result has "ripples" caused by an undesired AC component. The ripple factor compares the rms value of the AC component with the value of the DC output as an indication of how "deep" those "ripples" are. Ripple factor (γ) may be defined as the ratio of the root mean square (rms) value of the ripple voltage to the absolute value of the DC component of the output voltage, usually expressed as a percentage. However, ripple voltage is also commonly expressed as the peak-to-peak value. Ripple voltage is an alternating (AC) voltage which is a constituent part of a composite voltage waveform with a constant DC component (offset) which may be positive or negative, but for analysis is usually considered to be an absolute value. The ripple component is often small relative to the DC component, but in absolute terms, ripple (as in the case of HVDC transmission systems) may be thousands of volts. Ripple itself is a composite (non-sinusoidal) waveform consisting of harmonics of some fundamental frequency which is usually the AC line frequency of 50/60Hz, but in the case of switched-mode power supplies, the fundamental frequency can be tens of kilohertz to megahertz. The characteristics and components of ripple depend on its source: there is single-phase half- and full-wave rectification, and three-phase half- and full-wave rectification. Rectification can be controlled (uses Silicon Controlled Rectifiers (SCRs) or uncontrolled (uses diodes). There is in addition, active rectification which uses transistors. Various properties of ripple voltage may be important depending on application: the equation of the ripple for Fourier analysis to determine the constituent harmonics; the peak (usually peak-to-peak) value of the voltage; the root mean square (RMS) value of the voltage which is a component of power transmitted; the ripple factor γ, the ratio of RMS value to DC voltage output; the conversion ratio (also called the rectification ratio or "efficiency") η, the ratio of DC output power to AC input power; and form-factor, the ratio of the RMS value of the output voltage to the average value of the output voltage. Analogous ratios for output ripple current may also be computed. An electronic filter with high impedance at the ripple frequency may be used to reduce ripple voltage and increase or decrease DC output; such a filter is often called a smoothing filter. The initial step in AC to DC conversion is to send the AC current through a rectifier. The ripple voltage output is very large in this situation; the peak-to-peak ripple voltage is equal to the peak AC voltage minus the forward voltage of the rectifier diodes. In the case of a SS silicon diode, the forward voltage is 0.7V; for vacuum tube rectifiers, forward voltage usually ranges between 25 and 67V (5R4). The output voltage is a sine wave with the negative half-cycles inverted. #ripplefactor #trick #onlineexamcentre #halfwaverectifier #fullwaverectifier #electrical #concept #technical #edu #engineering #science #physics #technician
Views: 1069 online exam centre
★☆★Website : http://www.gatematic.in./ ★☆★DOWNLOAD PDF FILE: https://goo.gl/zGrHFP ★☆★SUBSCRIBE : https://goo.gl/6b5CCc In this video i will be delivering you the lecture on introduction to power electronics and its harmonics. I discussed why this subject is important from gate point of view as well as from research point of view. Also I include the concept of harmonic analysis in DC as well as AC and find the various parameter like form factor ,ripple factor,THD,Distortion Factor. This lecture is strictly focusing on the concept used for cracking GATE/IES exam. Go through this lecture, You will enjoy while solving numerical. All the best. To watch NETWORK THEORY Videos Go through this link: https://tinyurl.com/zzdjzna ★☆★ FOLLOW ME BELOW: ★☆★ Blog: https://sohailansaari.wordpress.com/ Facebook: https://www.facebook.com/learngatefree/ GooglePlus: https://plus.google.com/+LearnGATEFreeOnline Twitter: https://twitter.com/learngatefree Instagram: https://www.instagram.com/learngatefree/ This Channel is run by SOHAIL ANSARI: https://goo.gl/A5KVGM
Views: 304437 GATEMATIC Education
Sign up for a free trial of The Great Courses Plus here: http://ow.ly/Dhlu30acnTC I use a flame tube called a Rubens Tube to explain resonance. Watch dancing flames respond to music. The Great Courses Plus is currently available to watch through a web browser to almost anyone in the world and optimized for the US market. The Great Courses Plus is currently working to both optimize the product globally and accept credit card payments globally. Visit my blog here: http://stevemould.com Follow me on twitter here: http://twitter.com/moulds Buy nerdy maths things here: http://mathsgear.co.uk
Views: 249634 Steve Mould
with Jim Williams, Staff Scientist http://video.linear.com/29?utm_source=switchregnoise&utm_medium=video&utm_campaign=youtube The universal application of switching regulators, combined with the powered systems potential for supply noise sensitivity, mandates the need for a reliable noise measurement technique. Actually, switching regulator "noise" isn't really noise at all, but coherent, high frequency residue directly related to the regulators switching. This residue, composed of fundamental switching frequency ripple and wideband harmonic, is the measurand.
Views: 11178 LinearTechnology
Add me on Facebook. (click LIKE on Facebook to add me) https://www.facebook.com/158773774166995 Download the song in this video Song Name: Monolith iTunes: https://itunes.apple.com/us/album/monolith-single/id596457486 Amazon: http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=brusspup+monolith Ever since I created the first version of this video a year ago I've been wanting to try it again with more water and better lighting / footage. This is a really fun project and when you first see the results, chances are your jaw will drop. The main thing to keep in mind for this project is that you need a camera that shoots 24 fps. The effect that you are seeing can't be seen with the naked eye. The effect only works through the camera. However, there is a version of the project you can do where the effect would be visible with the naked eye. For that project, you'd have to use a strobe light. For this project you'll need: A powered speaker Water source Soft rubber hose Tone generating software 24 fps camera Tape. Run the rubber hose down past the speaker so that the hose touches the speaker. Leave about 1 or 2 inches of the hose hanging past the bottom of the speaker. Secure the hose to the speaker with tape or whatever works best for you. The goal is to make sure the hose is touching the actual speaker so that when the speaker produces sound (vibrates) it will vibrate the hose. Set up your camera and switch it to 24 fps. The higher the shutter speed the better the results. But also keep in the mind that the higher your shutter speed, the more light you need. Run an audio cable from your computer to the speaker. Set your tone generating software to 24hz and hit play.Turn on the water. Now look through the camera and watch the magic begin. If you want the water to look like it's moving backward set the frequency to 23hz. If you want to look like it's moving forward in slow motion set it to 25hz. Have fun!
Views: 15005008 brusspup
Why this Video is Important? In many textbooks, this concept is not fully covered. How standard the textbook may be you will not get a single textbook where this concept covered in a way that you would reach a level where you can solve any question from any competitive exam. This video helps you to reach that level. Visit our website: https://goo.gl/ZPnR7C Real Life Applications: This concept is very important for understanding the behaviour of the electrical power generation, conversion and transmission. Explanation: Whenever harmonics are present in a system the reactive power content increases which in turn decreases the power factor and eventually the efficiency of the system. THE GATE ACADEMY provide comprehensive and rigorous coaching for the GATE exams. Our student-centered guidance focuses on the strengths and weaknesses of each student. This has enabled us to achieve a proven track record of GATE toppers from our institute. THE GATE ACADEMY appreciates diversity in requirements and hence have tailor-made digital & distance learning courses for addressing these different needs. Classroom Course- The most popular course, classroom lecture is blended with GATE focused books and digital resources such as video lectures and online tests. tabGATE- We tied up with Samsung to take care of students who want to study anywhere, anytime. homeGATE- Live online GATE lectures, specially designed for students who stay away from city centers and still don’t want to lose on live faculty teaching with doubt clearing. Correspondence Course- Comprises hard-copy GATE focused books options of Tests and video lectures. Its popular amongst self-preparing GATE aspirants. SD Card / USB GATE- Can be used on windows desktop/laptop/Android phone. Students who want to self-pace their studies, from the convenience of their home, will use this option. For more details, visit our website and social handles as below. 1. Web: http://www.thegateacademy.com 2. Email: [email protected] 3. Like us: https://www.facebook.com/TheGateAcademy/ 4. Instagram - https://www.instagram.com/the_gate_academy/ 5. Blogs: https://goo.gl/KUKn6b Call us at 080-61766222 Do not Forget to watch the videos of below-mentioned subjects : 1. GATE Preparation Lectures - ME: https://goo.gl/Knhxa6 2. GATE Preparation Questions - ME: https://goo.gl/AcYAD1 3. GATE Preparation Lectures - CE: https://goo.gl/i7hjxt 4. GATE Preparation Questions - CE: https://goo.gl/jGAjUp 5. GATE Preparation Lectures - ECE: https://goo.gl/zSHGhB 6. GATE Preparation Questions - ECE: https://goo.gl/bjyEq6 7. GATE Preparation Lectures - IN: https://goo.gl/iUPVBC 8. GATE Preparation Questions - IN: https://goo.gl/jdnbG4 9. GATE Preparation Lectures - EE: https://goo.gl/vzEZ6N 10. GATE Preparation Questions - EE: https://goo.gl/EC3xtc 11. GATE Preparation Lectures - CS&IT: https://goo.gl/xnsMLt 12. GATE Rankers: https://goo.gl/DCyYiy
Views: 10137 THE GATE ACADEMY
In this webinar, taught by Pablo De Jarmy, at Projar in Mexico, he discusses best practices in harmonic filter design by giving an overview of the IEEE 1531 standard. After a harmonic filter is specified for a given frequency and kVAr capacity, many other factors have to be considered for the final specification, as the filter will almost certainly not operate under ideal conditions. IEEE 1531 standard provides a guide to design the filter to overcome these less tan ideal conditions and help assure the filter will work without further issues.
Views: 9226 EasyPowerSoftware
"Effects of Harmonic Distortion on a Motor", presented by GalcoTV. Instead of contributing to the turning of the motor shaft, the excess energy could circulate into the windings of the motor and lead to internal energy loss or an increase in heat. This can lead to a deterioration of the insulation and decrease the motor efficiency... For more Tech Tip Videos visit GalcoTV: http://www.youtube.com/user/GalcoTV Check out Galco.com at http://www.galco.com?source=YouTubeTT Galco is a Factory Authorized Stocking Distributor for Over 150 Brands of Industrial Electrical & Electronic Automation, Controls and Component Products; On-Site and Send-In Repair Services for Industrial Control & Automation Products for Over 2,000 Brands; Engineered Systems Integration, Retrofits & Upgrades for Variable Speed Drives, CNC, PLC Systems, Dynamometers & Test Stand Applications. Visit us online at http:// www.galco.com or call us at 800-337-1720. http://www.galco.com/safety With respect to the usage, installation or assembly of any products described in this video, Galco Industrial Electronics, Inc., a Michigan corporation, encourages you to follow the requirements and/or guidelines of: i) the Occupational Safety and Health Act of 1970, Public Law 91-596, as amended, and all laws, rules and regulations implemented in relation thereto; ii) the National Electric Code®; and iii) NFPA 70E®. Any installation, assembly or work described in this video should be performed by a qualified licensed electrician. GTV, Galco, galco.com, Galco Industrial Electronics, and Galco Industrial Electronics, Inc. are registered and/or pending registered trademarks under the U.S. Patent and Trademark Office, assumed names, registered domain names, and/or trade names of Galco Industrial Electronics, Inc., a Michigan corporation. LEGAL DISCLAIMER: While we have made every attempt to ensure that the information provided is accurate and has been obtained from reliable sources, Galco is not responsible for any errors or omissions, or for the results obtained from the use of this information. All information is provided "as is", with no guarantee of completeness, accuracy, timeliness or of the results obtained from the use of this information, and without warranty of any kind, express or implied, including, but not limited to warrantees of performance, merchantability and fitness for a particular purpose. At all times you should defer to the instructions and safety guidelines issued by the manufacturer. In no event will Galco, its agents or employees thereof be liable to you or anyone else for any decision made or action taken in reliance on the information provided to you or for any consequential, special or similar damages, even if advised of the possibility of such damages.
Views: 4049 GalcoTV
The torque on the rotor of an electrical machine can be systematically decomposed into source components, such as to the stator-iron-to-rotor-iron or stator-current-to-rotor-magnet components. In this video we demonstrate the approach and show different force components acting on a rotating permanent magnet motor.
Views: 1623 TUT Electromagnetics
104 - Wave Period and Frequency In this video Paul Andersen explains how the period is the time between wave and the frequency is the number of waves per second. Period is measured in seconds and frequency is measured in Hertz. Wave period and wave frequency are reciprocals of one another. After watching this video you will be able to determine the period (and therefore the frequency) using a position vs. time graph of a wave. Do you speak another language? Help me translate my videos: http://www.bozemanscience.com/translations/ Music Attribution Title: String Theory Artist: Herman Jolly http://sunsetvalley.bandcamp.com/track/string-theory All of the images are licensed under creative commons and public domain licensing: igjav, Ignacio javier. English: A Simple Red Lamp, Modern Look, July 27, 2011. Own work. http://commons.wikimedia.org/wiki/File:Bombilla_roja_-_red_Edison_lamp.svg. ———. Italiano: Icona Di Una Lampadina Spenta Realizzata in Svg, June 2, 2012. File:Bombilla amarilla - yellow Edison lamp.svg. http://commons.wikimedia.org/wiki/File:Gray_Edison_lamp.svg. “Wave on a String.” PhET. Accessed April 13, 2015. http://phet.colorado.edu/en/simulation/wave-on-a-string.
Views: 219545 Bozeman Science
Pulse width Modulation for Power Electronic Converters by Dr. G. Narayanan,Department of Electrical Engineering,IISc Bangalore.For more details on NPTEL visit http://nptel.ac.in
Views: 10412 nptelhrd
#askLorandt explains hints how to measure the switching frequency and output ripple voltage dependency of the switching frequency. Follow #askLorandt on Twitter (@askLorandt), visit his website at http://www.we-online.com/askLorandt and connect with him on LinkedIn: http://de.linkedin.com/in/lorandtfoelkel More info about the Power Modules (MagI³C Series): http://bit.ly/2rC4r89 Follow Würth Elektronik on: Facebook: http://www.we-online.de/facebook/WE_Karriere Facebook: http://www.we-online.de/facebook/WE_eiSos_Group Instagram: http://www.we-online.de/instagram/WE_Karriere Instagram: http://www.we-online.de/instagram/wespeedupthefuture Twitter: http://www.we-online.com/twitter LinkedIn: http://www.we-online.com/linkedin Xing: http://www.we-online.com/xing YouTube: http://www.we-online.com/youtube Newsroom: http://www.we-online.de/newsroom More info about Würth Elektronik eiSos: http://www.we-online.com
Views: 6227 Würth Elektronik Group
Demonstrates how to use an oscilloscope to measure power supply voltage ripple with several methods including FFT. #1: Siglent SDS1102CML+ https://amzn.to/2JAyVQv #2: Hantek DSO5102P https://amzn.to/2JBU9gK #3: Hantek DSO5072P https://amzn.to/2JBSzLQ #4: Rigol DS1102E https://amzn.to/2F0B0q1 #5: Rigol DS1052E https://amzn.to/2SIjSs3 #6: Siglent SDS1052DL+ https://amzn.to/2Dl9C4C #7: Owon SDS5032E-V https://amzn.to/2yNB4UQ #8: Uni-T UTD2052CEX https://amzn.to/2SKKj0q #9: UTD2025CL https://amzn.to/2D3sBiW #10 GW Instek GDS-1102-U https://amzn.to/2SFnET0
Views: 513 Kiss Analog
This video demonstrate three methods to measure the voltage and harmonics of an AC power supply using a USB oscilloscope with passive probes. The three method are: (1) Earth-Grounded Single-Ended Measurement (2) Earth-Grounded Differential Measurement (3) Floating-Ground Differential Measurement.
Views: 17149 Virtins Technology
TI's Bob Hanrahan demonstrates how to measure noise when testing power supplies. For more videos on testing power supplies, check out: Overview: www.ti.com/testingpoweroverview Measuring efficiency: www.ti.com/measuringefficiency Measuring stability: www.ti.com/measuringstability
Views: 69288 Texas Instruments
1050 Hertz ripple injection motor generator set to control heating and streetlight systems remotely. 30 kW motor driving 21st harmonic tuned circuit generator superimposing the 1050 Hz into the 11,000 Volts network. A receiver at the end user picks ( customers ) up the signal and runs in synch with this motor for 3 minutes. When the clicks happen at 0:44 - 0:54 in the video ON or OFF signals are decoded and equipment like hotwaters and streetlights and controlled loads can be switched ON or OFF. A great audio fix for electrically minded people. The freewheeling at the end takes nearly 10 minutes from 3000 RPM to standstil.
Views: 473520 RODALCO2007
When an inverter is supplying ac to power a load, the result is ripple current in the dc source that reduces efficiency some 30%. This special 6-phase dc-dc converter can eliminate the problem and operate at 97+% efficiency. More information at www.6phase.com.
Views: 1814 electricroger
Steve Butler, V.P. of Engineering at VPT, discusses the definition and causes of common mode and differential mode output ripple and simple, effective ways to control output ripple. http://www.vptpower.com/ See all of VPT's videos on technical issues for incorporating DC-DC power converters, EMI filters, and other power products into your avionics, military, or other high reliability power system: http://www.vptpower.com/video/
Views: 87164 VPT Tech Videos
Faculty: Sohail Ansari Sir In this lecture, i explained the concept of Sinusoidal PWM Technique. Also, i discussed how to remove the 3rd,5th,7th harmonic at the same time. Hope you like it. All the best. We rely on support from people like you to provide free education. If you have gained something from this platform then please contribute so that we can make this platform better than before. Click to donate http://www.gatematic.in/donate/ Website: http://www.gatematic.in/ To watch Q&A Session Go through this link: https://tinyurl.com/y9lz9rdz To watch NETWORK THEORY Videos Go through this link: https://tinyurl.com/zzdjzna To watch POWER ELECTRONICS Videos Go through this link: https://tinyurl.com/kg6mhn7 To watch Transformer Lecture Go through this link: https://tinyurl.com/y8h9rj5u To watch INDUCTION MACHINE Go through this link: https://tinyurl.com/ybh6c75p To watch CONTROL SYSTEM Videos Go through this link: https://goo.gl/WhFE7m To watch POWER SYSTEM Videos Go through this link: https://tinyurl.com/yd8c9uvx To watch ANALOG ELECTRONICS Videos Go through this link: https://tinyurl.com/lrjzflm To watch COMMUNICATION SYSTEM Videos Go through this link: https://goo.gl/3oPobn To watch ELECTRONIC DEVICES & CIRCUITS Videos Go through this link: https://goo.gl/sifczu Intro Sound: https://soundcloud.com/otismacmusic/04-scarlet-fire Intro Animation: https://www.youtube.com/c/OfficialMotions ★☆★ FOLLOW ME BELOW: ★☆★ Blog: https://sohailansaari.wordpress.com/ Facebook: https://www.facebook.com/gatematiceducation/ GooglePlus: https://plus.google.com/111046109630674184043 Twitter: https://twitter.com/gatematic Instagram: https://www.instagram.com/gatematic/ This Channel is run by SOHAIL ANSARI: https://goo.gl/A5KVGM
Views: 14176 GATEMATIC Education
Micrel's Carlos Huerta explains Ripple Blocker, a power supply noise attenuator from Micrel. This product reduces or eliminates power supply noise that can interfere with all kinds of electronic devices--from cellphones to GPS units, from medical scanning devices to cameras.
Views: 1253 Micrelinc
Learn how to use an oscilloscope to debug your power supply! Click to subscribe! ► http://bit.ly/Scopes_Sub Find out more about testing power supplies and power consumption with Keysight Oscilloscopes: http://www.keysight.com/find/scopes-power Keysight's Johnnie Hancock teaches how to use a digital storage oscilloscope or mixed signal oscilloscope to debug, characterize, and analyze your switching power supply. Learn basic tips and techniques for measuring, probing, and analyzing your designs. Learn more about using oscilloscopes: http://oscilloscopelearningcenter.com Check out our blog: http://keysightoscilloscopeblog.com Like our Facebook page: https://www.facebook.com/keysightbench/ Agenda: Power supply basics 1:35 linear power supplies vs switch mode power supplies Switching power supply measurements overview 2:57 Switching power supply trends 3:57 Probe Deskew 4:36 Power supply measurments -input line measurements and analysis 5:40 --Power quality 6:08 --Current harmonics 10:20 --Inrush current 12:20 -switching device analysis 13:40 --Switching losses 14:03 --Switching Phases 16:30 --Power Losses and Energy Losses 17:17 --Rds(on) 19:15 --Conduction and Toff Losses 21:02 --Vconduction measurement limitations 21:51 --Slew Rate 24:26 --Modulation 26:10 -Design Trade-offs 28:25 -output measurements 26:25 --Output Ripple 29:43 ---Probing Limitations & techniques 31:15 --Turn on time & turn off time 37:05 --Transient Response Analysis 38:12 --Efficiency 39:42 --Power Supply Rejection Ration (PSRR) 40:45 Wrap up & review 46:36 Recommended probes & commonly used probes 47:27 Additional technical resources 49:23 Q&A 49:46 Download free 30-day trials of Keysight's design & test software at http://www.keysight.com/find/free_trials Music by Lou Leaves the Room
Views: 8894 Keysight Labs
In this webinar, taught by Afshin Majd, PhD, PE, at EasyPower, we review harmonics issues in renewable energy systems. Almost all types of renewable energy systems introduce a significant amount of harmonics to the systems they are connected to. This is due to the fact that they utilize power electronics switching devices to convert and regulate the frequency. The webinar demonstrates how to use EasyPower to model these types of systems and how to measure the harmonic indices such as THD and VRSS. We reference IEEE 519 and describe how it applies to these systems.
Views: 427 EasyPowerSoftware
Harmonics Quiz Questions (15 Questions With Fully Answers) . Electrical Theory Practice Tests Consists of Practice Tests including Ohms Law, Resistors, Inductors, Capacitors, Series and Parallel Circuits, Transformers and Electrical Motors, Power Factor, Different Measuring Instruments, Units of Measurement, Circuit Breakers, Relays, Motor Control Centers and many more.. https://youtu.be/AsLwEkwl6_c?list=PL_PxVADe96c1m3UsrZvEXOK3fVm4Zn2sm
Views: 464 Electrician Practice Test
ASTEC AA16130 power supply provided by Dr. Hintz for our senior design project is being used to power up Dr. Hintz's alkalinity measurement protoytpe and also our INA116 amplifier. During our lab testing we found out that the (-12 V) outputted by the power supply had a AC ripple as to clean DC signal. In order to get rid of the AC ripple, we installed 2200uF electrolytic capacitor on the (-12 V) of the power supple and got rid of the AC ripple.
Views: 2223 Ambar Rathie
Pulse width Modulation for Power Electronic Converters by Dr. G. Narayanan,Department of Electrical Engineering,IISc Bangalore.For more details on NPTEL visit http://nptel.ac.in
Views: 2848 nptelhrd
This video is a cymatic version of Sound Frequencies in Water: A=440 Hz vs. A=432 Hz. It has been said that music tuned in A=432 Hz is more beautiful and harmonious to the ears and induces a more inward experience where music tuned in A=440 Hz is more outward, mental experience which is projected outwards. I am sure you have already seeing the following still photos of how the A=440 Hz vs A=432 Hz looks like. They have been circulating the net for some time. Well I thought it will be cool to generate them using my cymatoscope…and so I did…in real time! It is said that “a picture is worth a thousand words”...well I would add that "a video is a perfect shot of reality..." Conclusion: Don't let yourself be fooled by images you have been shown on the net. Investigate the truth yourself! This is how the A=440 Hz vs. A=432 Hz patterns look like in real time! There is also a sample what happens when both notes are played together.
Views: 825740 George Of The LA Jungle
Glade Software Solution Opposite L.I.C Office, North Street, Marthandam, Tamilnadu Mob: 9940492870, Web: www.gladesoftwaresolution.in Mail: [email protected]
Views: 193 Gladesoftwaresolution Suresh
The major horizontal grid lines are 2v, the waveform represents a connection between ground (after rectifier) and one side of the AC signal before it after passing thru a 5v Zener diode. I don't know why there is the middle plateau about 2v. The signal receives the off-peak ripple, this one recorded about 1:30am. As you see it stops and starts repeatedly. No discernible pattern that I have noted
Views: 626 madivad
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Views: 806 RD Singh
This video starts the project for the repair and restoration if my Heathkit IM12 harmonic distortion meter, functionally equivalent to the IM58. It begins with the usual introduction, inspection of the unit, which is in near mint condition. The first order of business is the repair of the bent connectors on the input which is a simple process, Followed by the removal of electrolytic capacitors from the unit. Old ones are tested none the less on the IT-11 capacitor tester. Following this the schematic is explored to understand the power supply, bringing the next task to the 300uf capacitor after the voltage regulator. This is a very clean and stable power supply design for its time. However, tube testing time comes first on the Century tube tester, which also meant Deoxit on the tube pins as well as sockets. Since the Deoxit was out, all of the pots switches, and connectors saw Deoxit as well. Observations are made with regard to the open wire would pots as it can clearly be seen where the oxide is on these units. One pot was kind of iffy, it was separately tested with the IM-11 VTVM to see if the sweep was ok. Back to the 300uf cap replacement, The old cap was left in place for show, its terminal removed, the new ones installed on the bottom of the unit using a standoff. Several are used as a temporary fix until a permanent cap can be procured. Following this is the initial turn-up with voltage measurements with extra attention paid to the output of the voltage regulator. Resulting ripple on the filtered output shows good results as well. The diagram doesn't show the voltage at A it had to be figured out with common sense. Following that the complete voltage chart form the book was filled out. It shows that things look good, but improvements can be made.
Views: 668 Retro Tech & Electronics
This video is about how much power can you get out of your power supply. I cover the size of the Transformer, which in this case is a toroidal transformer, and how big the capacitor bank needs to be for low voltage ripple so that there is no clipping of the audio signal.
Views: 276 Kiss Analog
Fifteen uncoupled simple pendulums of monotonically increasing lengths dance together to produce visual traveling waves, standing waves, beating, and (seemingly) random motion. For more details see http://sciencedemonstrations.fas.harvard.edu/presentations/pendulum-waves The period of one complete cycle of the dance is 60 seconds. The length of the longest pendulum has been adjusted so that it executes 51 oscillations in this 60 second period. The length of each successive shorter pendulum is carefully adjusted so that it executes one additional oscillation in this period. Thus, the 15th pendulum (shortest) undergoes 65 oscillations. Our apparatus was built from a design published by Richard Berg [Am J Phys 59(2), 186-187 (1991)] at the University of Maryland. The particular apparatus shown here was built by our own Nils Sorensen. Video courtesy of Harvard Natural Sciences Lecture Demonstrations, © 2010 President and Fellows of Harvard College
Views: 10635867 Harvard Natural Sciences Lecture Demonstrations
The way light behaves can seem very counter intuitive, and many physicists would agree with that, but once you figure out light waves it all starts to make more sense! In this episode of Crash Course Physics, Shini shows us how we know that light exists as a wave and why that's really cool! Want more Crash Course in person? We'll be at NerdCon: Nerdfighteria in Boston on February 25th and 26th! For more information, go to http://www.nerdconnerdfighteria.com/ *** Get your own Crash Course Physics mug from DFTBA: http://store.dftba.com/products/crash... The Latest from PBS Digital Studios: https://www.youtube.com/playlist?list... -- Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashC... Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support CrashCourse on Patreon: http://www.patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
Views: 505455 CrashCourse
Review of the Mechanical Waves topics covered in the AP Physics 1 curriculum. Want Lecture Notes? http://www.flippingphysics.com/ap1-waves-review.html Content Times: 0:13 Wave definition 1:26 Transverse and longitudinal waves 3:15 Graphing waves 4:50 Deriving the velocity of a wave 6:06 Superposition of waves 6:43 Constructive Interference 7:37 Total destructive interference 8:34 Reflection and inversion 9:09 Standing Waves on a string with nodes and antinodes 10:09 Deriving frequency and wavelength for standing waves 11:45 Frequency for a stringed and open pipe instrument 12:12 The harmonic number 13:36 Closed pipe wind instrument 15:08 Beat frequency demonstration 16:33 The Doppler effect Next Video: AP Physics 1: Electrostatics Review http://www.flippingphysics.com/ap1-electrostatics-review.html Multilingual? Please help translate Flipping Physics videos! http://www.flippingphysics.com/translate.html - Los subtítulos de este video de "Flipping Physics" han sido traducidos al Español. Gracias Anwar Delgado Silva! - 本Flipping Physics视频已有中文字幕。谢谢Erica Hu! - Οι υπότιτλοι αυτού του Flipping Physics video έχουν μεταφραστεί στα Ελληνικά . Ευχαριστώ τον Ζορμπά Στέφανο ! Previous Video: AP Physics 1: Simple Harmonic Motion Review http://www.flippingphysics.com/ap1-shm-review.html 1¢/minute: http://www.flippingphysics.com/give.html Audio Tool is the iOs app used in the video. http://www.performanceaudio.com/apps/ Here is a web based frequency generator: http://www.szynalski.com/tone-generator/ And an Android frequency generator: https://en.softonic.com/solutions/apps/frequency-generator
Views: 79118 Flipping Physics
Originally posted 3/13/2012 The MIC94300 integrated load switch and MIC94310 DC-DC regulator incorporate Micrel's Ripple Blocker active filter technology to provide high frequency ripple attenuation for applications where switching noise cannot be tolerated.
Views: 69 EDN
A method to mitigate the torque ripple in SR drives is developed at the Renewable Energy and Vehicular Technology (REVT) Lab., University of Texas at Dallas. Link: http://www.utdallas.edu/research/REVT/index.html Please NOTE: 1) At 1:49, the time constant of the mechanical system is big. I said it wrong.
Views: 2995 Chenjie Lin
This video is one of the weekly webinars showcasing EasyPower Power Analysis software. This session is taught by Satish Shrestha, P.E., where he discusses harmonic sources, problems with harmonics, system response, metrics, filter basics, and resonance. We hope you enjoy it. Please like it if you find value.
Views: 947 EasyPowerSoftware