dcrm workshop

8/20/2019 DCRM Workshop

1/32

Equipment used ...Equipment used ...

Transducers and FixturesTransducers and Fixtures

SCOPE has developed Transducers with Fixtures for followingSCOPE has developed Transducers with Fixtures for following

CBs:CBs:

LTF 1! B : For B"EL #a$e %!! $& SF' CB(LTF 1! B : For B"EL #a$e %!! $& SF' CB(

)%*& +OCB, "L- )!)E. B"EL +a$e)%*& +OCB, "L- )!)E. B"EL +a$e

TL" 1! / Fixture : For TEL* #a$e %!! $& SF' CB(TL" 1! / Fixture : For TEL* #a$e %!! $& SF' CB(

TL" 0!! / Fixture : For E2 3 42EF ))! $&5 %!! $& SF' CB(TL" 0!! / Fixture : For E2 3 42EF ))! $&5 %!! $& SF' CB(

LTF )! C : For C2L #a$e 10) $&5))! $&5%!! $& SF' CB(LTF )! C : For C2L #a$e 10) $&5))! $&5%!! $& SF' CB(

LTF )6! : For BB #a$e ))! $&5%!! $& SF' CB 7old8 (LTF )6! : For BB #a$e ))! $&5%!! $& SF' CB 7old8 (

LTF )6! : For BB #a$e %!! $& SF' CB 7new8 (LTF )6! : For BB #a$e %!! $& SF' CB 7new8 (

4-TF 0'! +: For +92 #a$e %!! $& SF' CB(4-TF 0'! +: For +92 #a$e %!! $& SF' CB(

)%*& SF' F;31%F LSTO+ +a$e)%*& SF' F;31%F LSTO+ +a$e

%)!*& SF' F;31'91'; LSTO+ +a$e%)!*& SF' F;31'91'; LSTO+ +a$e


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Equipment used ...Equipment used ...Transducers and FixturesTransducers and Fixtures

CB Travel


3/32

Equipment used ...Equipment used ...

Transducers and FixturesTransducers and Fixtures

#portant things to

o?serveo?serve

ShocksShocks

Overshoot margin.Overshoot margin.

ebound margin.ebound margin.

!are in handling.!are in handling.


4/32

"aking connections ..."aking connections ...#$S%! '() to !*#$S%! '() to !*


5/32

"aking connections ..."aking connections ...

#$S%! '() to !*#$S%! '() to !* Earth !* from both sides.Earth !* from both sides.

!onnect master earth of #$S%! to earth.!onnect master earth of #$S%! to earth.

!onnect contact sensing cables to !*+ after!onnect contact sensing cables to !*+ after

cleaning the connection area.cleaning the connection area.

"ake !lose, Trip coil connections to *reaker"ake !lose, Trip coil connections to *reaker

!ontrol terminal and !urrent channels. Ensure!ontrol terminal and !urrent channels. Ensure

proper polarit-.proper polarit-.

!heck continuit- of transducer element before!heck continuit- of transducer element before

connection.connection.


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#$S%! '() to !*#$S%! '() to !* "ount transducer along ith fixture. Ensure proper"ount transducer along ith fixture. Ensure proper

alignment & firmness of fixture+ proper positioning &alignment & firmness of fixture+ proper positioning &

contact pressure of moving iper+ tidiness ofcontact pressure of moving iper+ tidiness of

connecting ire.connecting ire.

/eep sufficient margin for overshoot & rebound travel/eep sufficient margin for overshoot & rebound travel

of !* contact.of !* contact.

Ensure firmness of T01 connections from T01 toEnsure firmness of T01 connections from T01 to

terminal box and from there to travel channel ofterminal box and from there to travel channel of

#$S%!.#$S%!.

-e#ove earthing fro# ?oth sides of CB(-e#ove earthing fro# ?oth sides of CB(

!onnect %! suppl- to #$S%!.!onnect %! suppl- to #$S%!.


7/32

"aking connections..."aking connections...

0!" 2(( * to !*0!" 2(( * to !*

D E T A I L O F I N S T R U M E N T

5 0 0

1 0 0 0

2 0 0 0


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"aking connections..."aking connections...

0!" 2(( * to !*0!" 2(( * to !* Earth !* from both sides.Earth !* from both sides.

!onnect "aster earth terminal of 0!" to earth.!onnect "aster earth terminal of 0!" to earth.

!heck continuit- of !3+ !4+ 53 & 54 end to end. Ensure that there is!heck continuit- of !3+ !4+ 53 & 54 end to end. Ensure that there is

no continuit- of an- of above cables ith earth terminal of 0!".no continuit- of an- of above cables ith earth terminal of 0!". !onnect !3+ !4+ 53 & 54 cables at 0!" end.!onnect !3+ !4+ 53 & 54 cables at 0!" end.

!onnect 6!k7 clamps on to sides of main contact interrupter as near!onnect 6!k7 clamps on to sides of main contact interrupter as near

to interrupter as possible. !lean the point of connection before this.to interrupter as possible. !lean the point of connection before this.

/eep !* in open condition. 8o check & ensure the continuit-/eep !* in open condition. 8o check & ensure the continuit-beteen !3 & 53 and !4 & 54.beteen !3 & 53 and !4 & 54.


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!ontd...!ontd...

!onnect 0!" resistance output 95% & ( 5: terminals to!onnect 0!" resistance output 95% & ( 5: terminals to

T; channel of #$S%!.T; channel of #$S%!.

!onnect 0!" current output 95% & ( 5: terminals to T*!onnect 0!" current output 95% & ( 5: terminals to T*

channel of #$S%!.channel of #$S%!.

-e#ove earthing fro# ?oth sides of CB(-e#ove earthing fro# ?oth sides of CB(

/eep "!* 6OFF7/eep "!* 6OFF7

!onnect %! suppl- to 0!" 2(( *.!onnect %! suppl- to 0!" 2(( *.


10/32

"aking connections .(.port of #$S%! "* >.(.

RSTNXTRECTRXOPERA TINGINS T RUC TIONSONREAROFMEMOR YBANK RSTNXTRECTRXOPERA TINGINS T RUC TIONSONREAROFMEMOR YBANK

R S T N X T R E C T R X

O P E R A T I N G I N S T R U C T I O N S

O N R E A R O F M E M O R Y B A N K

R e f e r t o i n s t r u c t i o n m a n u a l b e f o r e t e s t i n g .V e r i f t ! i c e t " e # r m n e s s o f e a r t " i n g c o n n e c t i o n s .$ " e n % I S A & i s n o t i n u s e f o r a ' r o l o n g e ( ' e r i o () * e e ' i t

'o! ere ( u ' fo r + , " ou rs) at le as t on ce a m on t".

C U R R E N T S E T T I N G S

H

S E L E C T A B C D E F G H I

B R E A K E R S T A T U S

TE ST OP TIO NS

D I S P L A Y R E S U L T S

P R I N T R E S U L T S

U S E R D A T A E N T R Y

TE ST SE TT IN GS

TR AV EL SE TT IN GS

D O N L O A D T O P C

S P E C I A L F U N C T I O N S

A

B

C

D

E

F

G

I

OCOOCCOCO

M ! T "# V e l MA$C U R R EN TS TIMIN GS VELO CITY

R E PO R T G R AP H C U RR E NT T IM I NG S V EL O CI TY

R G C T V

TO M OV EC U R S O R

TO SE LE CTO P T I O N

P R E V I O U SM E N U

O P E N I N GM E N U

E NT

E S C

R ST

- o ! e r

- r in te r - o ! e r

- R ND a t a

R S+ + &


11/32

Poer 6O87 the instrumentsPoer 6O87 the instruments

< and ensure the folloing.< and ensure the folloing.

#$S%! '()=#$S%! '()= Opening selection menu should appear on ?!0.Opening selection menu should appear on ?!0.

@ 5 is appearing beteen 3@ 5 & ( 5 terminals of all travel@ 5 is appearing beteen 3@ 5 & ( 5 terminals of all travel

channels.channels. !* operates after giving command from #$S%!.!* operates after giving command from #$S%!.

%fter operation of !* proper voltage variation is observed beteen %fter operation of !* proper voltage variation is observed beteen

5% & ( 5 terminals of travel channel to hich T01 is connected.5% & ( 5 terminals of travel channel to hich T01 is connected.

#igher voltage should be observed hen !* is closed & loer#igher voltage should be observed hen !* is closed & loer

voltage should be observed hen !* is open.voltage should be observed hen !* is open.

Proper contact sensing connections b- checking contact O8, OFFProper contact sensing connections b- checking contact O8, OFF

status on ?!0.status on ?!0.

P 6O87 th i t tP 6 87 th i t t


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Poer 6O87 the instrumentsPoer 6 87 the instruments


0!" 2(( *=0!" 2(( *= /eep !#%AE,TEST toggle sitch in !#%AE mode. Ensure that/eep !#%AE,TEST toggle sitch in !#%AE mode. Ensure that

batter- is charged.batter- is charged.

Put back toggle sitch to TEST mode.Put back toggle sitch to TEST mode.

/eep !%?,TEST toggle sitch in !%? mode. !heck that voltages/eep !%?,TEST toggle sitch in !%? mode. !heck that voltages

across resistance & current outputs of 0!" going to T; & T*across resistance & current outputs of 0!" going to T; & T*

channels of #$S%! are more than '.)> 5 hen !* is in openchannels of #$S%! are more than '.)> 5 hen !* is in opencondition and test leads are connected.condition and test leads are connected.

Put back toggle sitch in TEST mode.Put back toggle sitch in TEST mode.


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Poer 6O87 the instrumentsPoer 6O87 the instruments


">SC +B 0(! :">SC +B 0(! :

fter a string of #essages displa@ settles down to -ECO-;fter a string of #essages displa@ settles down to -ECO-;

STTAS -ECO-; 4O( 1 E+PT 5 FALLSTTAS -ECO-; 4O( 1 E+PT 5 FALL

Before the data transfer fro# ">SC, the selected location 4o( onBefore the data transfer fro# ">SC, the selected location 4o( on

LC; of ">SC +B 0(! should not ?e FALL( >f so, go to nextLC; of ">SC +B 0(! should not ?e FALL( >f so, go to next

availa?le location(availa?le location(

>f FALL location is selected, the data will ?e overwritten after>f FALL location is selected, the data will ?e overwritten after

giving suita?le warning #essage(giving suita?le warning #essage(

Ensure that BTTE- LO< indication is not persistent fro# #oreEnsure that BTTE- LO< indication is not persistent fro# #ore

than one hour( >f so i##ediatel@ replace the ?atteries(than one hour( >f so i##ediatel@ replace the ?atteries(


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R E P O R T G R A P H C U R R E N T T I M I N G S V E L O C I T Y

S E L E C T A B C D E F G H I

B R E A K E R S T A T U S

T E S T O P T I O N S

D I S P L A Y R E S U L T S

P R I N T R E S U L T S

A

B

C

O C OO CC OCO

M ! T " # V e l

M A $C U R R E N T S T IM I N G S V E L O C IT Y

R G C T V

C U R R E N T S E T T I N G S

H

U S E R D A T A E N T R Y

T E S T S E T T I N G S

T R A V E L S E T T I N G S

D O N L O A D T O P C

S P E C I A L F U N C T I O N S

D

E

F

G

I

#$S%! '()x Opening "enu#$S%! '()x Opening "enu


15/32

Settings of the instruments...Settings of the instruments...#$S%! '()#$S%! '()

For 0!"For 0!"TEST SETT$8AS %80 BSE 0%T% E8T;TEST SETT$8AS %80 BSE 0%T% E8T; B@ using ;D #enu 3 Enter all historical data(B@ using ;D #enu 3 Enter all historical data(

B@ using ED #enu 3 Select appropriate sa#pling speed( 1! *CB@ using ED #enu 3 Select appropriate sa#pling speed( 1! *C

Select appropriate ti#e dela@s tcoD 0!! #S 9D tocD(Select appropriate ti#e dela@s tcoD 0!! #S 9D tocD(

Select trigger level !D(Select trigger level !D(

Select appropriate plot length,%!! #SSelect appropriate plot length,%!! #S

Ena?le5;isa?le -esistorD 7P>-8 option depending on CB configuration(Ena?le5;isa?le -esistorD 7P>-8 option depending on CB configuration(

B@ using FD #enu 3 Select appropriate current range on current channels to ?e used(B@ using FD #enu 3 Select appropriate current range on current channels to ?e used(

B@ using 2D #enu 3 Ena?le &elocit@(B@ using 2D #enu 3 Ena?le &elocit@(

Enter actual #echanis# travel or use ATOPLCE option for finding out travel(Enter actual #echanis# travel or use ATOPLCE option for finding out travel( Enter points P1 9 P) and P0 9 P% for o?taining closing 9 tripping velocitiesEnter points P1 9 P) and P0 9 P% for o?taining closing 9 tripping velocities

respectivel@(respectivel@(


16/32

Settings of the instruments...Settings of the instruments...#$S%! '()#$S%! '()

T%5E? SETT$8AST%5E? SETT$8AS $f 8ot used %uto place$f 8ot used %uto place /eep both "$8 & "%1 pots in full- anti4clockise direction for all travel channels./eep both "$8 & "%1 pots in full- anti4clockise direction for all travel channels.

/eep !* in closed condition./eep !* in closed condition.

%fter entering the travel and points P2 to P' for the respective channel to hich T01 %fter entering the travel and points P2 to P' for the respective channel to hich T01is connected %"P?$TB0E option ill appear.is connected %"P?$TB0E option ill appear.

Chen !* is in closed condition set "%1 amplitude pot to sho count @ on ?!0.Chen !* is in closed condition set "%1 amplitude pot to sho count @ on ?!0.

Take Open operation on !*.Take Open operation on !*.

Set count on ?!0 to @ b- using "$8 amplitude pot ithout disturbing the "%1 pot.Set count on ?!0 to @ b- using "$8 amplitude pot ithout disturbing the "%1 pot.

To to three such operations ma- be required to set "$8 & "%1 counts to stead-To to three such operations ma- be required to set "$8 & "%1 counts to stead-values i.e. hen !* is closed count should be @ and hen !* is open countvalues i.e. hen !* is closed count should be @ and hen !* is open count

should be @.should be @.


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Settings of the instruments...Settings of the instruments...

0!" SETT$8AS0!" SETT$8AS 0!" resistance output is to be connected to T;0!" resistance output is to be connected to T;

channel of #$S%!.channel of #$S%!.

0!" 9 for 0!" 2((* onl- : current output is0!" 9 for 0!" 2((* onl- : current output is

to be connected to T* channel of #$S%!.to be connected to T* channel of #$S%!.

Ao to 6A7 menu of #$S%!. 0O 8OT enter an-Ao to 6A7 menu of #$S%!. 0O 8OT enter an-

travel in T; or T* channelsD and go directl- totravel in T; or T* channelsD and go directl- to

%"P?$TB0E option. %"P?$TB0E option.


18/32

Settings of the instruments...Settings of the instruments...

0!" SETT$8AS0!" SETT$8AS /eep !%?,TEST toggle sitch in !%? position./eep !%?,TEST toggle sitch in !%? position.

*- using "%1 pot set the count on T; channel to*- using "%1 pot set the count on T; channel to

>).>). *eep the +>4 pot in full@ anticloc$wise*eep the +>4 pot in full@ anticloc$wise

direction L). *eep the +>4 pot in*eep the +>4 pot in

full@ anticloc$wise direction L


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%nd Finall-


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0onloading test results from0onloading test results from

#$S%! "* >.( to P!#$S%! "* >.( to P!

!onnect S > output port of "* >.( to S > serial port 9 !O" 2 or!onnect S > output port of "* >.( to S > serial port 9 !O" 2 or

!O" : of P!.!O" : of P!.

Poer O8 #$S%! "* >.(.Poer O8 #$S%! "* >.(.

Select E!E$5E option of !P?OT ).( on P!.Select E!E$5E option of !P?OT ).( on P!.

Select the record to be donloaded on "* >.(.Select the record to be donloaded on "* >.(.

Press 6T17 ke- of "* >.(.Press 6T17 ke- of "* >.(.

The data ill be donloaded to P! and appropriate message ill beThe data ill be donloaded to P! and appropriate message ill bedispla-ed on P!.displa-ed on P!.


21/32

Troubleshooting ...Troubleshooting ...

OBSE-&T>O4OBSE-&T>O4

Brea$er does notBrea$er does notoperateoperate

4o contact ti#ings, 4o4o contact ti#ings, 4oP>- ti#ings(P>- ti#ings(

Excessive ?ounceExcessive ?ounce

4o coil current trace(4o coil current trace(

P-OBBLE CASEP-OBBLE CASE

Fuses F)5F0 #a@ ?e ?lown(Fuses F)5F0 #a@ ?e ?lown(

B-E*E- CO4T-OL i#properl@ connected(B-E*E- CO4T-OL i#properl@ connected(

Contact connections are loose( >#proper place ofContact connections are loose( >#proper place of

connections(connections(

P>- #a@ ?e disa?led(P>- #a@ ?e disa?led(

Contact connections #a@ ?e loose( The@ #a@Contact connections #a@ ?e loose( The@ #a@#a$e5?rea$ due to vi?rations during ?rea$er#a$e5?rea$ due to vi?rations during ?rea$er

operation(operation(

Chec$ polarit@ of current channel connections(Chec$ polarit@ of current channel connections(


22/32

Troubleshooting O4OBSE-&T>O44o current trace(4o current trace(

Spi$es on currentSpi$es on currentchannelchannel

4o travel trace4o travel trace

P-OBBLE CASEP-OBBLE CASE-ange selected is !D(-ange selected is !D(

Connections in current circuit are loose(Connections in current circuit are loose(uxiliar@ contacts need to ?e cleaned(uxiliar@ contacts need to ?e cleaned(

&elocit@ #a@ ?e disa?led(&elocit@ #a@ ?e disa?led(

Chec$ fir#ness of connections and polarit@ atChec$ fir#ness of connections and polarit@ at

T; and at travel inputs(T; and at travel inputs(Chec$ that ">SC delivers & ;C across !& 9 &Chec$ that ">SC delivers & ;C across !& 9 &

ter#inals of travel channel as well as at T;ter#inals of travel channel as well as at T;

interface(interface(

T; ele#ent is da#aged(T; ele#ent is da#aged(


23/32


ccontd...ontd...OBSE-&T>O4OBSE-&T>O4

Travel trace full of spi$es and 5Travel trace full of spi$es and 5

or irregularitiesor irregularities

&elocit@ and travel calculations&elocit@ and travel calculations

inaccurateinaccurate


Chec$ travel T; and itDs #ounting(Chec$ travel T; and itDs #ounting(

Chec$ value of #echanis# travel $e@ed in withChec$ value of #echanis# travel $e@ed in with

respect to actual travel(respect to actual travel(

Travel trace has spi$es or is irregular(Travel trace has spi$es or is irregular(

;atu# points selected are too close to the end;atu# points selected are too close to the end

position of travel or are too close to each other(position of travel or are too close to each other(

#plitude pot settings are distur?ed(#plitude pot settings are distur?ed(


24/32


!ontd...!ontd...OBSE-&T>O4OBSE-&T>O4

4o ;C-+ trace4o ;C-+ trace

;C-+ trace shows onl@;C-+ trace shows onl@

a straight line at uppera straight line at upper

level(level(


4o continuit@ ?etween C/ 9 &/ and C3 9 &3 ca?les4o continuit@ ?etween C/ 9 &/ and C3 9 &3 ca?les

after connections to CB when it is in open condition(after connections to CB when it is in open condition(

The voltage across resistance output of ;C-+ isThe voltage across resistance output of ;C-+ isless than %('0 & when CB is in open condition(less than %('0 & when CB is in open condition(

One of C/, C3, &/or &3 has continuit@ with earthOne of C/, C3, &/or &3 has continuit@ with earthter#inal(ter#inal(

C$D cla#ps are not #a$ing proper contact with CBC$D cla#ps are not #a$ing proper contact with CB

for so#e reason, e(g( paint, rust at the point offor so#e reason, e(g( paint, rust at the point ofconnection(connection(


25/32


!ontd...!ontd...OBSE-&T>O4OBSE-&T>O4

1(1( ;C-+ trace shows onl@;C-+ trace shows onl@

a straight line at uppera straight line at upperlevel(level(

)()( ;C-+ trace touches;C-+ trace touches

?ase line(?ase line(

0(0( Excessive spi$es at theExcessive spi$es at the

?eginning of ;C-+?eginning of ;C-+

tracetrace


1(1( -esistance ?etween C/ 9 C3 is #ore than-esistance ?etween C/ 9 C3 is #ore than)!!! #icro oh#s due to i#proper selection)!!! #icro oh#s due to i#proper selection

of connection points(of connection points(

)()( )(CB is earthed fro# either one or ?oth)(CB is earthed fro# either one or ?oth

sides(sides(

+>4 pot of T channel is not in full@+>4 pot of T channel is not in full@

anticloc$wise direction(anticloc$wise direction(

0(0( C$D cla#p connections are not fir#( LooseC$D cla#p connections are not fir#( Loose

connections #a@ #a$e5?rea$ due toconnections #a@ #a$e5?rea$ due to

vi?rations during ?rea$er operation(vi?rations during ?rea$er operation(


26/32


!ontd...!ontd...

OBSE-&T>O4OBSE-&T>O41(1( Excessive spi$es atExcessive spi$es at

the ?eginning ofthe ?eginning of

;C-+ trace;C-+ trace

)()( +CB on ;C-+ 1!! B+CB on ;C-+ 1!! B

trips(trips(

0(0( ;ata not uploaded;ata not uploaded

fro# ">SC to +B 0(!fro# ">SC to +B 0(!

P-OBBLE CASEP-OBBLE CASE1(1( Excessive chattering of CB contacts(Excessive chattering of CB contacts(

Pitting of CB contacts(Pitting of CB contacts(

)()( Either the CB has re#ained in closedEither the CB has re#ained in closed

condition or it is earthed fro# C/ side(condition or it is earthed fro# C/ side(

0(0( +B 0(! is not in -ECE>&E #ode(+B 0(! is not in -ECE>&E #ode(The serial lin$ fro# ">SC to +B 0(! isThe serial lin$ fro# ">SC to +B 0(! is

not proper(not proper(

Batter@ Low for +B 0(!(Batter@ Low for +B 0(!(


27/32


!ontd...!ontd...

OBSE-&T>O4OBSE-&T>O4

;ata not downloaded;ata not downloadedfro# +B 0(! to PC(fro# +B 0(! to PC(


PC not in -ECE>&E #odePC not in -ECE>&E #ode

+B 0(! not in T- #ode+B 0(! not in T- #ode

Selected location is e#pt@Selected location is e#pt@

Serial lin$ fro# +B 0(! to PC is not proper Serial lin$ fro# +B 0(! to PC is not proper

Serial port of PC is not in wor$ingSerial port of PC is not in wor$ing

condition(condition(

Batter@ Low for +B 0(!Batter@ Low for +B 0(!


28/32

0Os and 0O87Ts0Os and 0O87Ts


29/32



30/32

0Os and 0O87Ts0Os and 0O87Ts.( for data storage is empt-.

Ensure that location selected on "* >.( contains data hile donloading toEnsure that location selected on "* >.( contains data hile donloading to

P!.P!.

Sitch OFF "* >.( immediatel- after use.Sitch OFF "* >.( immediatel- after use.


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32/32

T"4* OA T"4* OA

Than$s @ou all ver@ #uch for ?eing a partThan$s @ou all ver@ #uch for ?eing a part

of

dcrm workshop

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