Shadowing Practice: Configuration of Control Input in Micom Relays using S1 studio - Learn English Speaking with YouTube
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Welcome to my channel PSP-Protect.
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Today we will see how to configure control inputs in Mycom relays.
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We are having P642 relay and today we will design basically two logic.
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One is to take the under frequency element tripping output and another is the breaker control.
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For breaker control we will use control input 1 and 2,
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1 for on and 2 for off
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and control input 3 will be used to determine whether to enable or disable the tripping output of under frequency relay.
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In order to use control input in mycom relays we need to configure three things the setting files the PSL
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and MCL file.
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In this setting file,
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first of all we will change the control input configuration where we will change control input 1 as pulse,
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control input 2 as pulse and both of them will be used for breaker control.
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third control input will be used for under frequency element enabling
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and disabling so
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that will be latched now you can get three options set
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reset on off enable disable in this control input function it
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can be pulsed as well as latched now pulsed are used for
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breaker control and latched will be used for other purposes where we need a latching property
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we need to move on to relay output so in case of output we have to configure two things one is
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relay output 2 and relay output 3
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which will be used for breaker control now we will use relay output 3 for CB on
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and relay output 2 for CB off these outputs will actually give the actuating commands to the circuit breakers
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now you can see that for control input 1
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and 2 we have used the pulsed command
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and for control input 3 we have used enabled and disabled command
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because it will be latched either in enabled condition
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or in disabled condition but for breakers it should be pulsed
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because continuous output should not be given to the breakers or isolators where there are actuating coils
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now we are labeling the control input names because this will be displayed on on the screen of the concerned relay.
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So there will be three names will be displayed one for circuit breaker on circuit breaker off
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and the third for under frequency enable or disable so for that we need to give the names in control input levels
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now we will save this and we will move on to the PSL section in the PSL section
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we have to we have we need to design the things which which you will see now
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first of all we will go to the under frequency enable
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or disable function so for
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that we need to make the under frequency element free from the tripping output
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and we will use an AND gate with the control input 3
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and then we will connect the output to the tripping command
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so in the earlier what was there is
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that as the under frequency element gets actuated it will give tripping output
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but now we have made a control input 3 in we have made the control input 3 and
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under frequency through an AND gate so that
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when both of them will become high that is under frequency element has operated
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and we have enabled the control input 3 then only it
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will give the tripping output otherwise the under frequency element will become high
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but no tripping output will be given through the trip relay
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so this is connected to the any trip through this
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and gate so that when both of the signals will be high then only it will give the tripping
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otherwise only under frequency output will be given as annunciation
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so next we will move on to configure the circuit breaker operation for
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that we need two of the relay outputs
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which will be used for to give command to the circuit breaker one is CB1
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and CB2 CB on and CB off that is really one a relate to
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and relate three and we need two control inputs control input one a control input 1 and control input 2
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so we will simply connect this control input 1 to CB on and control input 2 to CB off
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and to show actually the circuit breaker CB status should
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be given through the opto input as it is given in
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the PSL you can see in LED number eight for CB status
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Now the next part of the configuration is the MCL file.
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In MCL file also we need to configure the control input segment.
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Others we will see
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or we will cover later on in the later videos where
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we will use the GUZ operation where we will see the GUZ operation
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but now in this video we will basically focus on configuring the control input
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so first of all in the communication you can see the IP address is given
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which will be basically used for GUZ and in sntp segment also we have
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given the we need to give
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the IP for SNTP communication
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or to give the time stamping to each
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and every event in the relay so
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that will be given in this SNTP segment whichever clock
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or whichever GPS system is connected to the system through Ethernet port we need to give the address of that SNTP server
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in this SNTP segment now other things like data set goose
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publishing goose subscribing we will do it later now in the
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control input the control segment we need
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to move on to SPC SPCS segments in
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the SPC segment there will be 32 spcs which are for control inputs
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you can see this spcs 0 spcs 0 1 0 2
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0 3 like this there are 32 inputs now we have used only three control inputs
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so in this three we will change the CTL mode from
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status only to direct with normal security then only they will operate
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so change it to direct with normal security
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or direct with enhanced security anything but if they are kept in the status only mode then they will
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not operate so for first three SP CS 0 1 0 2 SP CS 0 1 0 2
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and 0 3 we have changed it to direct with normal security this is the only change
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which we need to do in the MCL file
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Thank you.
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Now, another
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small change we need to make in the setting segment
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that is the hotkey configuration there is a button in the relays mycom relays called hotkey where under
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which we can select how many control input we want in the screen
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now we have to once again move on to the PSL segment because as I was saying that for the
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feedback of the CV status we need to take an opto feedback
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or opto output a opto input to show what is the status of the CV
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but through an LED as it is already configured here in in LED number 8
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but here the relay is not connected to the breaker.
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So already here we have again configured LED number 4 for under frequency to show it.
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In a similar way LED number 8 will be used to show
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that this CB on and off operation is taking place through relay or not.
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For that we will make a small change.
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is LED number 8 will be connected as the breaker is on
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when we give the command to CB on control input then this CB on output will be high along with
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that we will give a latching command to LED number 8
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which will show that the CB on pulse has gone to gone through the output number 3.
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Now, CB OFF pulse will go to output number 2 to show that we have used a latch reset function,
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we have used a latch reset function
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which will make the LED of the relay we will reset the LED of the relay
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so when we push the control input 1 to make the CB on the LED will glow
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and as we push the CB off the LED will become off through the latch reset function
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so in this way we will show how the breaker will operate in normal cases
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but this is just to show you how it can operate as you can see
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that there is a hotkey button
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so otherwise the relay is not connected to any line
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or feeder
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so as we push the hotkey you can get the hotkey
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menu in the hotkey menu we have setting group selection we
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can select now you can see the circuit breaker on off
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and under frequency functions are there as we have enabled them
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in the hotkey now as I push the on you can see the LED number 8 is glowing
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because the ON command is
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given to the LED now as I push the OFF the
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LED has reset now in the under frequency also as I
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have pushed enabled LED number 4 is glowing as I push the disable again it will go off
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so in this way we can use the control inputs in
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various way in different logic in different relays of my phone thanks for watching my video
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Context & Background
In the video titled "Configuration of Control Input in Micom Relays using S1 studio," the speaker guides viewers through the technical process of configuring control inputs in Micom relays, specifically focusing on the P642 model. The discussion centers around setting up logic for controlling a circuit breaker and managing under-frequency elements. This technical dialogue is rich in specific terminology and detailed explanations, suitable for professionals and those interested in electrical engineering. For English learners, especially those pursuing IELTS speaking practice or general English speaking practice, grasping such technical content can enhance their vocabulary and comprehension skills in a niche field.
Top 5 Phrases for Daily Communication
- Control input: Refers to the input settings that manage operational commands in relay systems.
- Tripping output: Indicates the action performed when certain conditions are met, leading to the operation of a circuit breaker.
- Enable/disable: These terms are used to indicate whether a function or feature is active or inactive.
- Pulsed command: Describes a type of signal sent briefly to activate a device without continuous output.
- Latch function: A setting that maintains the state of a control input until manually reset, relevant in various engineering contexts.
Step-by-step Shadowing Guide
To effectively improve your English pronunciation and understanding of technical terminology presented in this video, follow this structured approach:
- Watch Actively: Begin with viewing the video without distractions. Focus on the speaker's pronunciation, intonation, and pacing, as these elements are crucial for your IELTS speaking practice.
- Listen Carefully: Play the video again, this time paying close attention to the specific phrases and terminology. Make notes of the top phrases listed above. This focused listening will help you improve both vocab and context understanding.
- Shadow the Speaker: Use the shadowspeak technique by repeating each phrase right after you hear it. Emulate the speaker’s tone and pacing to enhance your verbal skills. This step is vital for refining your accent and fluency in technical discussions.
- Practice in Pairs: If possible, practice shadowing with a partner. Take turns mimicking the dialogue, focusing on correct pronunciation and emphasis. This method is effective in acquiring effective communication strategies in both technical and general discussions.
- Review and Repeat: Finally, watch the video multiple times to reinforce learning. As you become more comfortable with the vocabulary, challenge yourself by summarizing what you've learned in your own words. This not only solidifies your memory but also improves your speaking skills.
By incorporating shadow speech techniques into your practice routine, you can effectively improve your English speaking skills, particularly within technical or specialized fields. Follow this guide, and you will see significant progress in your ability to communicate complex ideas with confidence.
What is the Shadowing Technique?
Shadowing is a science-backed language learning technique originally developed for professional interpreter training and popularized by polyglot Dr. Alexander Arguelles. The method is simple but powerful: you listen to native English audio and immediately repeat it out loud — like a shadow following the speaker with just a 1–2 second delay. Unlike passive listening or grammar drills, shadowing forces your brain and mouth muscles to simultaneously process and reproduce real speech patterns. Research shows it significantly improves pronunciation accuracy, intonation, rhythm, connected speech, listening comprehension, and speaking fluency — making it one of the most effective methods for IELTS Speaking preparation and real-world English communication.
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