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Protective Relay In Power System
 
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A relay is a simple electromechanical switch made up of an electromagnet and a set of contacts. Relays are found hidden in all sorts of devices.
Views: 24005 Smile and Learn
Protection relay: Power system protection
 
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Protection Relay or Protective Relay is a device designed to trip a circuit breaker when a fault is detected as matter of fact it is designe to protect power system. What is a Protection Relay? Protection relay is a smart device that receives inputs, compares them to set points, and provides outputs. Inputs can be current, voltage, resistance, or temperature. Outputs can include visual feedback in the form of indicator lights and/or an alphanumeric display, communications, control warnings, alarms, and turning power off and on. Protection or Protective Relay eliminate unnecessary trips, isolate faults, protect motors and breakers, and provide system information to help you better manage your system We differentiate Protection Relay types by function: * Overcurrent relay * Inverse Definite Minimum Time relay * Distance relay/Impedance relay * Differential relay * Directional relay * Synchronism check relay How does Protection Relay works and what are the types by funtion you can see in video. =========================================== Dear friends, support this channel http://hrvoje3d.com/support/ =========================================== Subscribe and give a support :) ✔ Subscribe https://www.youtube.com/user/chrvoje1 ✔ WEB http://www.hrvoje3d.com/ ✔ FACEBOOK https://www.facebook.com/Chrvoje1-engineering-606909579495110/ https://www.facebook.com/profile.php?id=100015365768626 ✔ TWITTER https://twitter.com/chrvoje1 ============================================= Thanks For Watching....... Please Leave A Like and Comment ============================================= Create: Hrvoje Čočić Music: Strange precident from youtube music Category: Education Licence: Standard YouTube Licence
Views: 40368 chrvoje engineering
Basic Requirements of Protective Relays in Hindi. Electrical Energy
 
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Hello friends welcome in Learn EEE. Visit our Website :- http://www.learneee.com/ Is post ko padhne ke liye yaha click kren... https://www.learneee.com/2018/07/relay-working-principle-in-hindi.html?m=1 You can download our Android app for Electrical & Electronics Engineering related very important Objective Types Questions and more....app size only 2Mb https://goo.gl/orQkD2 You can buy HRC fuse. http://amzn.to/2gqZbhU You can buy MCB. http://amzn.to/2iPO3Ql You can buy Relay. http://amzn.to/2iPOg65
Views: 5383 Learn EEE
FMPR-103 pt3 l  Power Systems Protection (Circuit Breaker Theory) v1
 
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This is module three part 3 of our Fundamentals of Modern Protective Relaying introducing Power Systems Protection.
How does overcurrent protection work?
 
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The simplest form of overcurrent protection is a fuse. Fuses can only be used once and the maximum current that a fuse can interrupt is limited. Thus fuses are only used in low voltage systems and in some medium voltage systems. High voltage systems use a protective system consisting of circuit breakers, current transformers and protective relays instead.
Views: 31030 OMICRONenergy
Basic Principles of Protective Relays and Circuit Breakers
 
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Learn about Power System Protective Relays Principles & Practices. The function of protective relaying is to cause the prompt removal from service of an element of a power system when it suffers a short circuit or when it starts to operate in any abnormal manner that might cause damage or otherwise interfere with the effective operation of the rest of the system. Thank you for watching. you may like following Instrument video tutorial. -Please make sure you subscribe to our channel for more Technical topics. # Theory of Vibration System and Operation: - https://bit.ly/2DC3vcc # Micromotion Coriolis Flow meter Theory of Operation. -https://bit.ly/2EmboDP # Vibration Monitoring System - https://bit.ly/2EfRPgv # Process Control Valve overview and types: - https://bit.ly/2E7s5CH # Radio Frequency Type Level Transmitter -https://bit.ly/2IMkoka # Control Valve Positioner and Regulator -https://bit.ly/2Pjm4nL *Temperature RTD, Thermocouple working principle. -https://bit.ly/2y6DqOa * Tuning of anti surge controller & Principle -https://bit.ly/2IozUTn *HART Communicator Theory of Operation: - https://bit.ly/2xGNehI * DCS Hardware presentation - https://bit.ly/2QadDem * Principle of Level Switches - https://bit.ly/2QadDem # Tuning of anti surge controller & Principle: - https://bit.ly/2xH4S4F # Introduction to Fieldbus Foundation: - https://bit.ly/2OkCVti # How to become ISA Certified Control Systems Technician CCST. - https://bit.ly/2Q9lb1e # Bently nevada Proximity Transducer System Operation: - https://bit.ly/2zxrCWc # Pressure Transmitter & Switch Instrument Basic. - https://bit.ly/2Q5kKoy
Views: 0 Right Stuff
Introduction to Protection and Switchgear
 
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This session is presented by Ms.Sreekala , Assistant Lecture - Department of Electrical and Electronics Engineering. In this session you will learn about : Types and Rating of Equipment Location of Equipment Types of Faults Cost * Types : Relay Backup Protection Breaker Backup Protection Remote Backup Protection Centrally Co-ordinated Protection * Qualities of Protective Relaying Reliability Selectivity & Discrimination Speed and Time Sensitivity Stability Adequateness Simplicity & Economy
Views: 93150 Sivanesh N
Overcurrent Relay
 
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Overcurrent Relay MY CHANNEL https://www.youtube.com/channel/UCcZvfc7ry59VekcQFlqVPYg?sub_confirmation=1 Electrical 1 Working Principle Of Control Transformers Hindi Video https://www.youtube.com/watch?v=lGPov68rpnA 2 MCB Working principle hindi video https://www.youtube.com/watch?v=Xz6ez4uDAB8 3 how a contactor works hindi video https://www.youtube.com/watch?v=LMR-kSuZQyA 4 Overload / overcurrent Relay Operation hindi video https://www.youtube.com/watch?v=rdJ0TR3qy2M 5 Electrical timers on and off delay timer hindi video https://www.youtube.com/watch?v=mm6pYyGjNIs 6 How To Add Ferrule Number In Electrical Diagram https://www.youtube.com/watch?v=1SwUi3g5kkw 7 two way switch connection https://www.youtube.com/watch?v=DlbQBEdQY1c 8 Direct Online Starter https://www.youtube.com/watch?v=L-HXwauv2lA 9 Forward Reverse Starter Working Principle https://www.youtube.com/watch?v=GdZkvsCOS24 10 Semi automatic star delta starter https://www.youtube.com/watch?v=GX1jpc7qV-8 11 star delta starter in hindi part 1 https://www.youtube.com/watch?v=Erk90RO03zs 12 star delta starter in hindi part 2 https://www.youtube.com/watch?v=OR8tNKLObVU 13 star delta starter Timer out with timer https://www.youtube.com/watch?v=7iSTXAxIBcA 14 Electrical Problems, Electrical Troubleshooting , Troubleshooting Electrical Circuits, https://www.youtube.com/watch?v=NiSowNKUanQ 15 How To Make Electric Switch Board, Electric Lighting Board https://www.youtube.com/watch?v=herDG-ORvRU 16 Water Level Indicator, Water Level Controller, Water Level Sensor, Water Level Motor On Off, https://www.youtube.com/watch?v=I27Xjd08TRM 17 MCB ,MCCB , Moulded Case Circuit Breaker , Electrical Breakers In Hindi https://www.youtube.com/watch?v=qDDuNAcLN4U 18 single phase preventer contactor logic , phase loss protection https://www.youtube.com/watch?v=CdJHRW3LwVs 19 Buchholz Relay * Buchholz Relay Function * Protection Relay * Relay Function https://www.youtube.com/watch?v=C0ojrBu-A_M 20 Reverse Forward Starter With OFF Delay Timer https://www.youtube.com/watch?v=ZZoBKtpMvno 21 Reverse Forward Star Delta Starter Part 1/4 https://www.youtube.com/watch?v=OoKf-uAyf-M 22 Reverse Forward Star Delta Starter Part 2/4 https://www.youtube.com/watch?v=2tGFdlE5Rlg 23 Reverse Forward Star Delta Starter Part 3/4 https://www.youtube.com/watch?v=eGiohT1D9SY 24 Reverse Forward Star Delta Starter Part 4/4 https://www.youtube.com/watch?v=OBY-VhhidmE 25 Overcurrent Relay https://www.youtube.com/watch?v=4VAEaT7XPVk 26 ON DELAY TO OFF DELAY TIMER https://www.youtube.com/watch?v=ZVUNYNjLoUE 27 Contactor Working Principle Siemens 3TF30 https://www.youtube.com/watch?v=Y03Rfi7_NrA 28 Contactor Working Principle Siemens 3TF52 https://www.youtube.com/watch?v=9tWHvdkRSlo 29 Electrical Push Button Switches , Teknic On Off Switch, https://www.youtube.com/watch?v=gAoJmzR5gKA 30 PLC SCADA‎ का कोर्स कब करना चाहिए https://www.youtube.com/watch?v=OiBKfBtFhnU 31 How To Convert Kw To Hp https://www.youtube.com/watch?v=3jke5AoX9SM 32 how to convert hp to kw https://www.youtube.com/watch?v=ahm5rIksJ1Q 33 How to convert kw to amps in 3 phase system * watts to amps * kw to amps https://www.youtube.com/watch?v=Vb1g-s43lTA 34 star connection https://www.youtube.com/edit?o=U&video_id=YyjrTRx0zaE 35 Delta connection https://www.youtube.com/watch?v=EMf-HkIoslw 36 limit switch https://www.youtube.com/watch?v=cyb3dJedCzw 37 Where Overcurrent Relay Connect In Star Delta Starter https://www.youtube.com/watch?v=R-ber_mvsI4 38 rotary switch https://www.youtube.com/watch?v=AeMrJPrKLes 39 eot crane , overhead crane https://www.youtube.com/watch?v=a4rKxKmngcA 40 MEGGER https://www.youtube.com/edit?o=U&video_id=kep6ewppqLE 41 crane master controller https://www.youtube.com/watch?v=91IRPU8E8dI 42 Megger test https://www.youtube.com/watch?v=wFfR0pgg9j0 43 star delta starter https://www.youtube.com/watch?v=PIb6IaVRQYM 44 Star Delta Connection Without Main Contactor in Emergency https://www.youtube.com/watch?v=f21Znl-CNvo 45 Star Delta Connection Without Timer https://www.youtube.com/watch?v=s3d8DK9-fgk
Views: 44804 Only for You
What is a Relay? How does a Relay works!
 
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What is a Relay? How does a Relay works! =========================================== ✔ WEB http://www.chrvojeengineering.com/videos/what-is-a-relay-how-does-a-relay-works/ =========================================== Subscribe and give a support :) ✔ Subscribe https://www.youtube.com/user/chrvoje1 ✔ WEB http://www.chrvojeengineering.com ============================================= How relay works? A relay is a electromagnetic switch, It is used in application to turn on and of a circuit by low power signal 24V, or several circuits must be controlled by one signal. How relay works you will be see in animation in this video. Relays can be udes to control several circuits by one signal. A relay switches one or more poles, each of whose contacts can be thrown by energizing th coil. Relays are used wherever it is necesrey to control a high power or high voltage circuit with low power circuit, especially when galvanic isolation is desirable. ============================================= Thanks For Watching....... Please Leave A Like and leave Comment ============================================= Create: Sasho Boshinoski Hrvoje Čočić Category: Education Licence: Standard YouTube Licence I hope that video What is relay? &How does a relay work? is helpfull, if you LIKE plese leave COMMENT and SUBSCRIBE
Views: 345517 chrvoje engineering
Directional  Over-Current Relay: Directional over-current protection
 
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Directional Over-Current protection comprises Over-Current Relay and power directional relay- in a single relay casing. Directional relay does not measure the power but is arranged to respond to the direction of power flow. How does Directional Relay works - Directional operation of relay is used where the selectivity can be achieved by directional relaying. The directional relay recognizes the direction in which fault occurs, relative to the location of the relay. It is set such that it actuates for faults occurring in one direction only. It does not act for faults occurring in the other direction. =========================================== Dear friends, support this channel http://hrvoje3d.com/support/ =========================================== Subscribe and give a support :) ✔ Subscribe https://www.youtube.com/user/chrvoje1 ✔ WEB http://www.hrvoje3d.com/ ✔ FACEBOOK https://www.facebook.com/Chrvoje1-engineering-606909579495110/ https://www.facebook.com/profile.php?id=100015365768626 ✔ TWITTER https://twitter.com/chrvoje1 ============================================= Thanks For Watching....... Please Leave A Like and Comment ============================================= Create: Hrvoje Čočić Music:Strange precidente from youtube music Category: Education Licence: Standard YouTube Licence
Views: 17512 chrvoje engineering
EXPLAINED : Distance protection how zonal protection work
 
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This video deals with all the details regarding zonal protection in distance relays in transmission line. A must watch for power system students. Follow us on fb: https://m.facebook.com/brainamplifier
Views: 31364 brain amplifier
Protective Relays In Power System | Hindi | Electrical & Automation Guru |
 
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Protection Relay or Protective Relay is a device designed to trip a circuit breaker when a fault is detected as the matter of fact it is designed to protect power system. What is a Protection Relay? Protection relay is a smart device that receives inputs, compares them to set points, and provides outputs. Inputs can be current, voltage, resistance, or temperature. Outputs can include visual feedback in the form of indicator lights and/or an alphanumeric display, communications, control warnings, alarms, and turning the power off and on. Protection or Protective Relay eliminate unnecessary trips, isolate faults, protect motors and breakers, and provide system information to help you better manage your system We differentiate Protection Relay types by function: * Overcurrent relay * Inverse Definite Minimum Time relay * Distance relay/Impedance relay * Differential relay * Directional relay * Synchronism check relay How does Protection Relay work and what are the types by the function you can see in a video?
Protective Relay Testing Procedure
 
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Relay test procedure
Views: 11224 Muhammad Umer Hasan
Protective relays -- instantaneous overcurrent demonstration
 
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A video demonstrating the operation of a "50" instantaneous overcurrent protective relay, in this case a legacy General Electric electromagnetic relay design.
Views: 28401 BTCInstrumentation
A Relay Technician’s Approach to Generator Protection
 
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This webinar will introduce field technicians to the basic principles of generator protection and generator protective relays. The following protective basic protective functions will be presented: • Reverse Power (32) • Loss of Excitation (40) • Negative Sequence Overcurrent (46) • Voltage Restrained Overcurrent (51V) • Neutral Overcurrent and Overvoltage (51N, 59N) • Blown Fuse or Loss of Potential (60) • Out of Step (78) • Under and Over Frequency (81) • Differential (87) We will look at the purpose of each basic protective function and explain the general operating principles of the associated relays. We will cover both mechanical and microprocessor based relays. We will look at one line diagrams showing the locations of generator CT’s, PT’s and associated step up and step down transformers.
Relays in hindi Electrical capsule
 
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Relays full detials electrical capsule
Views: 63594 Eletrical Capsule
Application of Protective Relays: Generator Protection
 
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In this video lesson you will learn about the application of protective relays for generation equipment. Topics covered in this lesson include: "Mechanical" protection; faults; tripping arrangements; primary protection; backup protection; negative sequence protection; generator capability curve; loss of field protection; system disturbances; under frequency, overcurrent, reverse power, under voltage; off-line protection; over voltage; synchronizing. Learn more about electrical testing and engineering at http://www.testguy.net
Views: 18712 TestGuy
Overload Relay - Principle of operation
 
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Thermal overload relays are motor protection relays used to protect a motor against overload, over current and phase failure. Besides its cost, thermal overload relays can increase the life span of motor by allowing it to operate at its maximum efficiency at its optimum temperature. This video clearly explains the principle of operation of thermal overload relays. More: http://www.electricalclassroom.com/ Like our facebook page: https://www.facebook.com/electricalclassroom/ Follow us on Twitter: https://twitter.com/Electricclassro Follow us on Google: https://plus.google.com/+Electricalclassroompage
Views: 32579 Electrical Classroom
lesson 1: elements protective relays in power system
 
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introduction or overview of the need for system protection,the characteristics of sensors, interrupters used for this protection,short circuit in power system,power system protection, protective relays,losses in power system,
What are the Functions of Protective Relays?
 
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Functions of Protective Relays - Understand the all functions of protective relays and its applications in electrical power system protection.
Protective relays -- time-overcurrent demonstration
 
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A video demonstrating the operation of a "51" time overcurrent protective relay, in this case a legacy General Electric "induction disk" relay design.
Views: 19908 BTCInstrumentation
Protection Coordination Video Tutorial
 
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Take a step back and ask what is Power System coordination? Why coordinate? What happens if we miscoordinate? More Power System video tutorials at http://generalpac.com
Overcurrent Relay & its types,BTech by Ms. Disha Mehtani
 
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In this Video, Ms. Disha Mehtani is explaining to students regarding over current relay &its types. It is a protective device used in power systrm. It operates when the current flowing in the circuit exceeds its predetermine limit due to fault. www.gurukpo.com, www.biyanicolleges.org
Views: 99488 Guru Kpo
Types of Relay - Different Types of Relay  - Classification of Relays
 
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Types of Relay - Different Types of Relay - Classification of Relays Depending on the operating principle and structural features relays are of different types such as electromagnetic relays, thermal relays, power varied relays, multi-dimensional relays, and so on, with varied ratings, sizes and applications. This video main aim is to give a brief idea about various relays that are employed for a wide variety of control applications. Some of these relays are described this video. More videos:- Electromagnetic Relay - How a Relay Works - Electromagnetic Relay Switch https://youtu.be/onjh10XrkE0 ELCB vs RCCB │ Difference Between ELCB and RCCB│ https://youtu.be/Fm11En0j6_A Fuse vs MCB │ Difference Between Fuse and MCB│ Compare Fuse and MCB │ https://youtu.be/6rZLGMHmsgs More information, Subscribe: https://www.youtube.com/c/learningengineering Facebook : https://www.facebook.com/Learning-Engineering-296737277329798/ Twitter : https://twitter.com/konokkamruzzam Google Plus : https://plus.google.com/u/0/+LearningEngineering Pinterest : https://www.pinterest.com/konok13/ Blogger : http://learningengineering1994.blogspot.com/ content source by- https://www.elprocus.com/different-types-of-relays-used-in-protection-system-and-their-workings/
Views: 123953 Learning Engineering
Protective relays -- digital overcurrent (Schweitzer SEL-501) relays
 
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A brief demonstration of the Schweitzer SEL-501 dual universal overcurrent relay, with comparison to electromechanical overcurrent relaying.
Views: 37372 BTCInstrumentation
Differential Relay | GATE (EE) | Power Systems
 
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In this video, Ankit Goyal (Co-Founder at Kreatryx and AIR 1 in GATE 2014) explains how the differential relay and biased differential relay operates. Also, an example has been taken to explain the case how to determine whether the relay will operate or not. You can create your own K-Plan by clicking here - https://goo.gl/iTg8T4 ---**--- Klassroom 2019 Registrations Open for GATE EE and GATE ECE aspirants! 25th June Batch available. Register now - https://kreatryx.com/products/klassroom ---**--- Plans EE (Electrical Engineering) - Kapsule Zetta for GATE 2019 and GATE 2020 - http://bit.ly/2qL8248 - Kapsule Tera for GATE 2019 and GATE 2020 - http://bit.ly/2F1aYxS - Koncept for GATE 2019 - http://bit.ly/2HfTy2a - Krash Video for GATE 2019 - http://bit.ly/2J9BwPL - Krash for GATE 2019 - http://bit.ly/2Hea86N - K-Test 2019 - http://bit.ly/2vru40x - Apti Combo Video Plan - http://bit.ly/2qIZ8US ECE (Electronics and Communication Engineering) - Kapsule Zetta for GATE 2019 and GATE 2020 - http://bit.ly/2HzuFSJ - Kapsule Tera for GATE 2019 and GATE 2020 - http://bit.ly/2F0kLEr - Koncept for GATE 2019 - http://bit.ly/2qIH502 - Krash Video for GATE 2019 - http://bit.ly/2JabZWB - Krash for GATE 2019 - http://bit.ly/2qL6wOH - K-Test 2019 - http://bit.ly/2vuWEOp - Apti Combo Video Plan - http://bit.ly/2vA9riW ME (Mechanical Enginnering) - Krash for GATE 2019 - http://bit.ly/2HeDj9R - K-Test 2019 - http://bit.ly/2qO3nxx - Apti Combo Video Plan - http://bit.ly/2HMZXmG CE (Civil Engineering) - Krash for GATE 2019 - http://bit.ly/2HEAfDu - K-Test 2019 - http://bit.ly/2F1d1SA - Apti Combo Video Plan - http://bit.ly/2F3yXMC SSC-CGL Tier 1 - K-Test Premium (Full Tests + Section Tests) - http://bit.ly/2Heojo9 - K-Test Mini (only Full Tests) - http://bit.ly/2vubrJp ---**--- ---**--- Doubt Solving Groups GATE (EE/ECE/IN) - https://www.facebook.com/groups/kreatryx/ GATE (ME/CE) - https://www.facebook.com/groups/kreatryx.mech SSC Aspirants - https://www.facebook.com/groups/sscbykreatryx ---**--- ---**--- Social Media Handles Kreatryx Facebook Page - https://www.facebook.com/Kreatryx Kreatryx SSC Facebook Page - https://www.facebook.com/KreatryxSSC/ Instagram - https://www.instagram.com/kreatryx.educare/ YouTube - http://bit.ly/2JZOmkV ---**---
Views: 49552 Kreatryx
Directional Relays | GATE (EE) | Power Systems
 
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In this video, Ankit Goyal (Co-Founder of Kreatryx and AIR 1 in GATE 2014) explains how to place the directional and non-directional relays in a power system. There is a myth that we can directly place directional relays at load end and non-directional relays at source end but that is not entirely true so a fool proof method is described to determine the position of relays. You can create your own K-Plan by clicking here - https://goo.gl/iTg8T4 ---**--- Klassroom 2019 Registrations Open for GATE EE and GATE ECE aspirants! 25th June Batch available. Register now - https://kreatryx.com/products/klassroom ---**--- Plans EE (Electrical Engineering) - Kapsule Zetta for GATE 2019 and GATE 2020 - http://bit.ly/2qL8248 - Kapsule Tera for GATE 2019 and GATE 2020 - http://bit.ly/2F1aYxS - Koncept for GATE 2019 - http://bit.ly/2HfTy2a - Krash Video for GATE 2019 - http://bit.ly/2J9BwPL - Krash for GATE 2019 - http://bit.ly/2Hea86N - K-Test 2019 - http://bit.ly/2vru40x - Apti Combo Video Plan - http://bit.ly/2qIZ8US ECE (Electronics and Communication Engineering) - Kapsule Zetta for GATE 2019 and GATE 2020 - http://bit.ly/2HzuFSJ - Kapsule Tera for GATE 2019 and GATE 2020 - http://bit.ly/2F0kLEr - Koncept for GATE 2019 - http://bit.ly/2qIH502 - Krash Video for GATE 2019 - http://bit.ly/2JabZWB - Krash for GATE 2019 - http://bit.ly/2qL6wOH - K-Test 2019 - http://bit.ly/2vuWEOp - Apti Combo Video Plan - http://bit.ly/2vA9riW ME (Mechanical Enginnering) - Krash for GATE 2019 - http://bit.ly/2HeDj9R - K-Test 2019 - http://bit.ly/2qO3nxx - Apti Combo Video Plan - http://bit.ly/2HMZXmG CE (Civil Engineering) - Krash for GATE 2019 - http://bit.ly/2HEAfDu - K-Test 2019 - http://bit.ly/2F1d1SA - Apti Combo Video Plan - http://bit.ly/2F3yXMC SSC-CGL Tier 1 - K-Test Premium (Full Tests + Section Tests) - http://bit.ly/2Heojo9 - K-Test Mini (only Full Tests) - http://bit.ly/2vubrJp ---**--- ---**--- Doubt Solving Groups GATE (EE/ECE/IN) - https://www.facebook.com/groups/kreatryx/ GATE (ME/CE) - https://www.facebook.com/groups/kreatryx.mech SSC Aspirants - https://www.facebook.com/groups/sscbykreatryx ---**--- ---**--- Social Media Handles Kreatryx Facebook Page - https://www.facebook.com/Kreatryx Kreatryx SSC Facebook Page - https://www.facebook.com/KreatryxSSC/ Instagram - https://www.instagram.com/kreatryx.educare/ YouTube - http://bit.ly/2JZOmkV ---**---
Views: 55566 Kreatryx
Control & Relay Protection Panel for substation-Practical Explanation[ IN HINDI]
 
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Control and Relay panel is most important equipment of the substation as it work as shield guard for all substation equipments and electrical network. Moreover, these panels are useful to control the flow of electricity as per the Voltage class and detect the faults in transmission lines.
Views: 102130 Nitesh Kumar
Differential Relay:Differential Protecting of transformers and generators from localised faults
 
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Differential Relay is a type of protection relay (protecitve relay), Differential relay is very commonly used relay for protecting transformers and generators from localised faults.Differential relays are very sensitive to the faults occurred within the zone of protection but they are least sensitive to the faults that occur outside the protected zone. Most of the relays operate when any quantity exceeds beyond a predetermined value for example over current relay operates when current through it exceeds predetermined value. But the principle of differential relay is somewhat different. It operates depending upon the difference between two or more similar electrical quantities. How does Differential Relay Works - he differential relay is one that operates when there is a difference between two or more similar electrical quantities exceeds a predetermined value. In differential relay scheme circuit, there are two currents come from two parts of an electrical power circuit. These two currents meet at a junction point where a relay coil is connected. According to Kirchhoff Current Law, the resultant current flowing through the relay coil is nothing but summation of two currents, coming from two different parts of the electrical power circuit. If the polarity and amplitude of both currents are so adjusted that the phasor sum of these two currents, is zero at normal operating condition. Thereby there will be no current flowing through the relay coil at normal operating conditions. But due to any abnormality in the power circuit, if this balance is broken, that means the phasor sum of these two currents no longer remains zero and there will be non-zero current flowing through the relay coil thereby relay being operated. =========================================== Dear friends, support this channel http://hrvoje3d.com/support/ =========================================== Subscribe and give a support :) ✔ Subscribe https://www.youtube.com/user/chrvoje1 ✔ WEB http://www.hrvoje3d.com/ ✔ FACEBOOK https://www.facebook.com/Chrvoje1-engineering-606909579495110/ https://www.facebook.com/profile.php?id=100015365768626 ✔ TWITTER https://twitter.com/chrvoje1 ============================================= Thanks For Watching....... Please Leave A Like and Comment ============================================= Create: Hrvoje Čočić Music: Strange precident from youtube music Category: Education Licence: Standard YouTube Licence
Views: 21602 chrvoje engineering
DIFFERENTIAL RELAY PROTECTION
 
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DIFERENTIAL RELAY PRINCIPLE.
Views: 445 GENGHIS KHAN
Substation relays in Hindi
Protective relays in Hindi 
relays
 
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watch this full video how circuit breaker trips in substation/ grid station / and generating station 👉https://youtu.be/z0vJpSXLn_0 u can also watch c.t p.t video watch all video of this series
Difference between relay and circuit breaker  Relay Vs. Circuit Breaker
 
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This video will en-light the difference between relay and circuit breaker as well we will go through the basic function of relay & basic function of circuit breaker from the perspective of electrical protection system. At the end I will also give you an example of very basic electrical protection system so you can clear your doubts further. Generally fuse, contactor, relay, circuit breaker, switches, mcb, mccb, rccb, rcd creates too much confusion like what is the exactly difference between them so watch this video you will definitely can clear your thoughts in regards to difference between circuit breaker and relay. Hit that like button if you have learned something Share it with your friends if you feel that this content is worth sharing and if you have any suggestion so comment it down below Also check out more videos on my channel THAKAR KI PATHSHALA you can like us on facebook now @ www.facebook.com/thakarkipathshala Link to some of our old videos :- - Difference between ELCB and RCCB - https://youtu.be/Xky81jzPR9M - Routh Hurwitz Stability Criterion - https://youtu.be/FaIN_VvM0lo - Working Of ELCB - https://youtu.be/zH3gsVOtw2c -- Steady State Error in Control System Engineering - https://youtu.be/mLnEuGJhyCY -- What is Signal - https://youtu.be/M-kdgG_aeJM -- Signal Flow Graph With Three Non- Touching Loops -https://youtu.be/GfREJpUJTKo -- Block Diagram Reduction Rules - https://youtu.be/2Cxkxfm3V44 -- Feedback and Feed Forward Control System -https://youtu.be/kG3TiAd4q18 -- String Efficiency Part 1:- https://youtu.be/n2btxabqEFs -- String Efficiency Part 2 :- https://youtu.be/LSmduFNfGiw -- Signal Flow Graph with One Non touching loop - https://youtu.be/kww27GEg4_U -- Power diode Vs. Signal diode - https://youtu.be/-9OPccq9RYQ -- Corona Effect Theory - https://youtu.be/Tguh8I37HrM
Views: 7450 Thakar Ki Pathshala
Differential protection
 
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This video outlines the basic principles behind differential protection and is a sample of the full 2.5 long ELECTRICAL CONTROL AND PROTECTION PART 3 available on UDEMY
Views: 588 steve brooks
relay working in hindi by niket shah
 
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A relay is an electromagnetic switch operated by a relatively small electric current that can turn on or off a much larger electric current. The heart of a relay is an electromagnet (a coil of wire that becomes a temporary magnet when electricity flows through it).. in this video i try to explain about relay in details.. with proper example and live working... all in hindi... Online Courses Available Call: 9768871110 #niketshah #Electronics #Electrical #TechnicaleducationinHindi #motorrewinding #electroniccomponents #computerHardware #laptoprepairing #mobilerepairing #pluspointkalyan #pluspoint #wiring #circuitdesign #pluspoint #onlineeducation #niketshahplus #pluspointindia #youtuber #youtubecreator #youtubeindia #pluspointonline #pluspointtraining #electronicsinhindi #electricalinhindi #missioneducationforall #kalyan #mumbai #OnSpotlight #YT100KClub #YTMillionaires #YTCreatorsIndia #VFD #MotorController #relay Share, Support, Subscribe!!! To purchase Relay Click : https://amzn.to/2wAi36S Youtube: http://www.youtube.com/c/Niketshahplu... Android App: https://play.google.com/store/apps/de... Other Youtube channel: http://www.youtube.com/c/TechVideosIn... Twitter: https://twitter.com/niketplus Facebook: https://www.facebook.com/pluspointkalyan Facebook Myself: https://www.facebook.com/niketshahkalyan Instagram: https://www.instagram.com/pluspointed... Google Plus: https://plus.google.com/u/0/+NiketSha... Website: https://www.pluspointonline.com Email: [email protected] Online Courses also Available For more details Just call us on : 9768871110..
Views: 559402 Niket Shah Plus
Protective relays -- current transformers
 
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A video briefly discussing the role of current transformers (CTs) in electrical power metering
Views: 14723 BTCInstrumentation
Electrical Engineering Mock Interview 8 of 28
 
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Realistic Electrical Engineering Interviews 8 of 28 - Electrical Protection & Switchgear, Mechatronics, and Safety Responsibility & Rights. For infinite number of professional interviews (Exactly as you experience in professional companies - Technical + HR), visit https://InterviewMax.com. This interview series covers graduate syllabus and the syllabus of Masters degree to a great extent. For example, the key topics like, protective relaying, Trip circuit of circuit breaker, arc interruption, Circuit Breaker, restriking voltage, RRRV, high voltage circuit breaker, Protection against overvoltage due to lightning, Overvoltage, causes of overvoltage, Lightning phenomenon, wave shape of lightning stroke, direct & indirect strokes, Static & Digital Relaying, Static & Digital Relaying, Transformer Protection, Buchholz relay, Alternator Protection, offset Mho relay, 3 Phase Induction Motor Protection, Bus bar Protection, protection of Transmission line, RRRV in circuit breaker, MCB testing, MCCB Testing, protection of transformer, Switchgear Protection & Power Systems, Fundamentals of Power System Protection, Protection and Switchgear, Power System Protection & Switchgear, Protective Relaying: Principles and Applications, Digital Protection of power System, Computer relaying for Power System, The Art and Science of Protective Relaying. For details visit the website http://InterviewMax.com
Views: 334 InterviewMax
ABB’s Relion 611 series of protection relays
 
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Learn the essentials about ABB’s Relion® 611 series relays and their benefits. See how easy and user-friendly engineering is with the help of the web-HMI. To learn more about the Relion 611 series, please visit: http://new.abb.com/substation-automation/products/protection-control/relion-product-family/relion-611-series
Views: 30629 ABBMVideo

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