Presentation 7sd610 En

7/21/2019 Presentation 7sd610 En

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Protection and Substation ControlEV-S_V13_17.07.00- 1

Universal Differential relay 7SD10

!7 Universal differential relay

- "or line # cables- $it% transfor&ers in t%e 'rotection

(one

)it% secure di*ital co&&unication

- "ibre o'tic cables- Co&&unication net$or+s- Di*ital telefon net$or+ # telefon cables,

7SD10* In preparation


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Protection and Substation ControlEV-S_V13_17.07.00-

Protection and co&&unication co&e to*et%er

%ree benefits of t%e 7SD10Differential 'rotection for t%euniversal use $it% easy to %andle settin*s

$o line ter&inals/ ess C-reuire&ents

2andles transfor&ers and co&'ensation coils $it%in

t%e 'rotection (one

Tripping time less than one period

dditional functions

4ac+u' 5'arallel runnin*6 or e&er*ency #C - function 53 sta*es6

4rea+er failure 'rotection/ verload 'rotection/

S$itc% on to fault feature/ 8 fast re&ote si*nals/ 9ntertri' function

Su'ervision of t%e co&&unication lin+/ 4us-$ire su'ervision

Direct and &odular connection to fibre o'tic and di*ital co&&unication

net$or+s


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''lication - "ibre o'tic connection

FO

!0 n&/ 1/: +&!0 n&/ 3 +&

;ulti&ode/:#1: u&

1300 n&/ 10 +&

1300 n&/ 3: +&;ono&ode


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''lication - Di*ital co&&unication net$or+

E

E

Communication-

system

Co&&unicationconverter

!0 n&/ 1/: +&

Sync%onous electrical interface>.1 58#1!#:1 +4it#s6 or ?703.1 58 +4it#s6

Connection via a co&&unication syste& $it% &ulti'le=ers- uto&atic delay ti&e &easure&ent 5ada'tive correction fro& 0 &s - 30 &s6- 9&&ediate detection of s$itc%-over conditions of co&&unication routes- Co&&unication addresses/


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Protection and Substation ControlEV-S_V13_17.07.00- :

''lication - eased telefon line

eased telefon line 5standby or dial-u'6- $ire telefon cable 5&a=. ! +&6,

E

E

!0 n&/ 1/: +&

, 9n test

Co&&unicationconverter

$isted telefon 'air

&a=. ! +& 5: &iles6

: +V insulationinte*rated


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Protection and Substation ControlEV-S_V13_17.07.00-

''lications -ine or cable $it% different C - ratios

400:5 !0"!0 !0#$ %$l&' 5( % ' 50

V o'tion@ot reuiredfor diff. function

- ;is&atc% of t%e C ratio of 1A! allo$ed/ 1 or : in'ut settable in t%e relay- C datas # errors are set in t%e relay and auto&atically considered in t%e restraint current calculation- C-reuire&entA +lffor t%e local C &ust be *reater t%en + 5+&inB 306

)00:! 5"0 0 #$ %$l&' !+0 % ' +++

,,,

ICT

I.ma/%'

0 %$

125035!50 F4(


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''lication -ransfor&er and line in t%e 'rotection (one

0 #$ !!0 %#30 %# 6d!!0"!0 !0 #$ 00:! !0"!0 !0 #$ 500:5

- Settin*s for t%e transfor&er datas in eac% relay

$it% vector *rou' &atc%in*/ ratio ada'tion and (ero seuence eli&ination- Differential set'oint is rated to t%e no&inal current of t%e transfor&er- 9nrus% restraint $it% second %ar&onic included 5ti&e li&it for Crossbloc+6 2i*% set ele&ent for i&&etiate tri' 51 &s6 t%rou*% %eavy fault currents

tripcommand

! mile

1T5035!

50 F4(


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Protection and Substation ControlEV-S_V13_17.07.00- !

Sco'e of functions # 2ard$are o'tions

Scope of functions

- Fast high set elementIDiff>>.Current summation.- Sensitive trip stage withvector summation IDiff>

- Autoreclosure 1/3 pole- Communication features- Commissioning aid- Overload protection- Backup-/emergencyovercurrent- Breaker failure protection- Switch on to fault protection

- 4 remote commands- Intertrip (also from external)- User defined logic- Exact time tagging

Relay Hardware

O

O1300 nm

10 kmmonomode

O 1300 nm35 kmmonomode

OE

ElectricalX21G703.1interface

Options for theProtectionInterface

1/3 *19

internal

internal

internal

External converter

820 nm1,5 / 3 kmmultimode

820 nm1,5 kmST-connectors

- 39'%/ and 9E

- 8 U- 7 binary in'uts- : tri' contacts- 1 alar& contact- 1 Protection interface

- Syste& interface 5o'tion6- ear D9?S9 interface 5o'tion6- i&e sync%ronisation interface for ?PS

7T-connector

7T-

connector

FC-connector


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Protection and Substation ControlEV-S_V13_17.07.00- 'restraint?

=estraint area

Tripping area

Iest

Iest ' IDiff eC1* I1 eC* I F Sync.error

a/8measurementerror >e? due tolinearCT - error


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Settin*s for C - 'ara&etrer

c.t. e.g.5P20,10VA

% tolerance at"@

Thumb rule:

Ri0,1...0,2 * RN

RNat 10 VA10

=> Ri2

ALFe= ALFNPi+ PN

Pi+ PB

With PB= Pleads+

Prelay(0,1 VA)

B2 VA + 10 VA

2 VA + 1 VA= 4

esultin* elay Para&eterA

Geffective "# no&inal " B 8 5calculation as 'er above6G9EC 88 -1: tolerance in load area u' to "e # "@ : 1H $it% :P/ 3H $it% 10P c.t.s

total error at accuracy li&it n@ B :H $it% class/ :P and 10H 10 P

ALFe

ALFN

C.t. Para&eterC.t. Para&eter


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''ro=i&ation of C-tolerance4asis for t%e restraint current calculation is t%e esti&ated &a=.&easure&ent error of t%e C

ALFe/ ALFNGIN,c.t

A 'ara&eter 7SD10/ 7SD:

IDiff

I1

I1

E=a&'leA 10P10/ eloadI 3H/ e"aultat +_"@B 10H

Fault current tolerance

Load current toleranceTolerance of

a real CT


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Protection and Substation ControlEV-S_V13_17.07.00- 1:

estaint current calculted by t%e relay

fro& t%e C-datasI! I

eoadB :H 53H F H safety &a*in6e"aultB 10H+lf # +lf/@B

e

I3ICT!

5E!0E

eoadB :He"aultB 10H+lf # +lf/@B1

e

I3ICT!

5E!0E

4ot% CsA 800A1/ 10P10

9CB:0

7etting &or I,Di&&: IDi&&' 5*IC3 ICT' !5 $=estraint current calcuation by the relay >adaptie?:I!' I' 00 $: I=est' IDi&& 005*0) $ 005*00$ ' !5 $ 0 $ ' !45 $ >'0+)?I!' I' )00 $: I=est' IDi&& 0!*)00$ 005*)00$ ' !5 $ (0 $ ' !5 $ >'05+?I!' I' !000 $: I=est' IDi&& 0!*!000$ 0!*!000$ ' !5 $ 00 $ ' +5 $ >'0?


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Values dis'layed in D9?S9 8 $it% :0H load


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?rafical vie$ in a 4ro$ser screen $it% :0H load

Currents 5a&ount # '%asor6 Differential and restraint values


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Protection and Substation ControlEV-S_V13_17.07.00- 1!

Values dis'layed in D9?S9 8 $it% 1:0H load


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Presentation 7sd610 En

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