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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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Informazioni su questa lezione

In questa lezione, esploreremo come configurare gli ingressi di controllo negli interruttori Mycom, focalizzandoci sul relay P642. Prenderemo in considerazione due logiche principali: l'uscita del tripping per il sottofrequenza e il controllo dell'interruttore. L'obiettivo degli esercizi è migliorarne la comprensione e la pronuncia attraverso un metodo di apprendimento attivo e pratico, noto come shadowing in inglese. I partecipanti avrà l'opportunità di praticare la pronuncia e l'intonazione necessarie per una comunicazione efficace in ambito tecnico.

Vocabolario e frasi chiave

  • ingresso di controllo - control input
  • tripping output - uscita di tripping
  • breake control - controllo dell'interruttore
  • abilitare/disabilitare - enable/disable
  • and gate - porta AND
  • latching property - proprietà di aggancio
  • comandi di attuazione - actuating commands
  • nome di ingresso di controllo - control input name

Consigli per la pratica

Per migliorare la tua pronuncia inglese, è consigliabile seguire il metodo di shadowing. Questo approccio richiede di ripetere ciò che ascolti nel video immediatamente dopo averlo sentito, cercando di imitare l'intonazione e la velocità del parlante. Il ritmo del video è moderato, quindi permettiti di interrompere frequentemente per praticare le frasi chiave menzionate. Concentrati su come vengono pronunciate le parole tecniche e prova a ripeterle all'istante per affinare il tuo shadow speech. Puoi anche utilizzare un shadowing site per confrontare le tue registrazioni con l'audio originale, assicurandoti che i tuoi modelli di pronuncia siano efficaci. Non scoraggiarti se non riesci subito: ripetere più volte ti aiuterà a sviluppare una maggiore competenza e fluidità nella lingua inglese.

Cos'è la tecnica dello Shadowing?

Shadowing è una tecnica di apprendimento delle lingue supportata da studi scientifici, originariamente sviluppata per la formazione dei traduttori professionisti e resa popolare dal poliglotta Dr. Alexander Arguelles. Il metodo è semplice ma potente: ascolti un audio in inglese di madrelingua e lo ripeti immediatamente ad alta voce — come un'ombra che segue il parlante con un ritardo di solo 1–2 secondi. A differenza dell'ascolto passivo o degli esercizi di grammatica, lo shadowing costringe il tuo cervello e i muscoli della bocca a elaborare e riprodurre simultaneamente i modelli di discorso reale. La ricerca dimostra che migliora significativamente la precisione della pronuncia, l'intonazione, il ritmo, il discorso connesso, la comprensione dell'ascolto e la fluidità del parlato — rendendolo uno dei metodi più efficaci per la preparazione alla prova di speaking dell'IELTS e per la comunicazione reale in inglese.

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