Power Trf relay setting_HD-A1.pdf

RELAY SETTIN ING G FOR TRANSFORMER PTN. :

HANG HA NG DO DONG NG A1

REV-0 Type of Rela elay: y: MICO MIC OM P63 P632; 2; Sc hneide hneiderr

Power ower Transfor nsforme me dat data Sl.N Parame rametters 1. Powe owerr 2. HV Vo Volt lta age 3. LV Vo Volt lta age 4. C TR HV 5. C TR LV 6. NCT NC T 7. Bus PTR 8. Transforme ormerr pe perc rce ent nta age imp 9. Transf ransfo orme merr ve vec c tor group

89TE-2

89T

Details Details 11.5 MVA 115 11 5 kV 6.3 kV 60/1 60/ 1A 1100/ 110 0/1 1A 60// 1 A 60 115kV/ 110V 10.5 % Ynd11, + 5% in step of 2.5%

B-CVT

89TE-1

52HT

T-CT2

HV

LV

T C N

T-CT1

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Prepared epa red by: M.S.Negi;

Checked hec ked by: Mr. S. Midha

Flovel Energy Pvt. Ltd. INDIA

RELAY SETTING FOR TRANSFORMER PTN. :

HANG DONG A1

1) PARAMETERS > CONFIG. PARAMETERS 1.1) CONFIG. PARAMETERS: COMM1 Function group C OMM 1 Line idle state prot. variant Baud rate Parity bit Dea d time monitoring Mon. time po lling Octet comm. add ress Test monitor on

With Light on / high ALSTOM D 19.2 kBaud Even Yes 25 s 1 No

1. 2) CONFIG. PARAMETERS: INP: 010.220 153.087 153.090 153.093 153.096 153.088 153.091 153.094 153.097

Filter Fct. assignm. U 2001 Fct. assignm. U 2002 Fct. assignm. U 2003 Fct. assignm. U 2004 Oper. mode U 2001 Oper. mode U 2002 Oper. mode U 2003 Oper. mode U 2004

0 LOGIC Input 1 EXT LOGIC Input 2 EXT LOGIC Input 3 EXT LOGIC Input 4 EXT Active "high" Active "high" Active "high" Active "high"

1. 3) CONFIG. PARAMETERS: OUT: 151.201 151.204 151.207 151.210 151.213 151.216 151.219 151.222 151.202 151.205 151.208

Fct. assignm. K 2001 Fct. assignm. K 2002 Fct. assignm. K 2003 Fct. assignm. K 2004 Fct. assignm. K 2005 Fct. assignm. K 2006 Fct. assignm. K 2007 Fct. assignm. K 2008 Oper. mode K 2001 Oper. mode K 2002 Oper. mode K 2003

LOG IC Output 1 Without func tion V/ f tV/ f> elapsed DIFF Trip signa l REF_1 Trip signal DTOC 1 Trip signal tIN> DTOC 1 Trip signal tI> MAIN Prot. ext. enabled ES updating ES updating ES updating

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Prepared by: M.S.Negi;

Checked by: Mr. S. Midha



HANG DONG A1

1. 4) CONFIG. PARAMETERS: LED: 085.184 085.001 085.004 085.007 085.057 085.010 085.060 085.013 085.063 085.016 085.066 085.019 085.069 085.022 085.072 085.025 085.075

Fct.assig. H 1 green Fct.assig. H 2 yell. Fct.assig. H 3 yell. Fct.assig. H 4 red Fct.assig. H 4 green Fct.assig. H 5 red Fct.assig. H 5 green Fct.assig. H 6 red Fct.assig. H 6 green Fct.assig. H 7 red Fct.assig. H 7 green Fct.assig. H 8 red Fct.assig. H 8 green Fct.assig. H 9 red Fct.assig. H 9 green Fct.assig. H10 red Fct.assig. H10 green

MAIN Hea lthy MAIN Bloc ked/faulty SFMO N Warning (LED) MAIN Gen. trip comma nd 1 Without func tion DIFF Trip signal Without func tion DTOC 1 Trip signal tIN> Without func tion DTOC 1 Trip signal tI> Without func tion REF_1 Trip signal Without func tion V/ f tV/ f> elap sed Without func tion Without func tion Without func tion

1. 5) C ONFIG. PARAMETERS: DIFF: Function group DIFF

With

1. 6) CONFIG. PARAMETERS: REF_1: Function group REF_1

With

1. 7) CONFIG. PARAMETERS: REF_2: Function group REF_2

Without

1. 8) CONFIG. PARAMETERS: DTOC1: Function group DTOC 1

With

1. 9) CONFIG. PARAMETERS: DTOC2: Function group DTOC 2

Without

1. 10) CONFIG. PARAMETERS: IDMT1: Function group IDMT1

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HANG DONG A1

1. 11) CONFIG. PARAMETERS: IDMT2: Function group IDMT2

Without

1. 12) C ONFIG. PARAMETERS: V<>: Function group V <>

Without

1. 13) CONFIG. PARAMETERS: f <>: Function group f <>

Without

1. 14) CONFIG. PARAMETERS: V/ f: Function group V/ f

With

1. 15) CONFIG. PARAMETERS: LOGIC: Function group LOGIC

With

2) PARAMETERS >> FUNCTION PARAMETERS>> GLOBAL >> MAIN 003.030 003.012 010.030 010.049 019.020 019.021 019.027 019.028 010.002 010.024 010.025 010.142 010.143 010.009 010.140 010.150 010.141 010.151

Device on-line Test mode USER Nominal frequ. fnom Phase seq uenc e Inom C .T.prim.,end a Inom C .T.prim.,end b Inom C .T.Yprim,end a Inom C .T.Yprim,end b Vnom V.T. prim. Inom device, end a Inom device, end b IY,nom devic e, end a IY,nom device, end b Vnom V.T. sec. C onn.meas.circ. IP,a C onn.meas.circ. IP,b C onn.meas.circ. IY,a C onn.meas.circ. IY,b

Yes (= on) Yes 50 Hz A - B- C 1100 A 60 A 1100 A 60 A 6.3 kV 1.0 A 1.0 A 1.0 A 1.0 A 110 V Stand ard Stand ard Standard Standard 4 e g a P





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3) PARAMETERS >> FUNC TION PARAMETERS >> PARAMETERS SUBSET1: 3.1) MAIN: 019.017 019.018 010.200 010.204

Vnom prim. end a PS1 Vnom prim. end b PS1 Pha se reversal a PS1 Pha se reversal b PS1

6.3 kV 115.0 kV No swa p No swa p

3.2) DIFFERENTIAL PROTECTION: 072.152 019.010 072.142 072.143 072.144 080.000 072.145 072.146 072.147 072.148 072.159 072.155 072.156 072.158 072.160 010.162 072.006

Enable PS1 Vec .gr. ends a-b PS1 Idiff> PS1 Idiff>> PS1 Idiff>>> PS1 Idiff>(C TS) PS1 m1 PS1 m2 PS1 IR,m2 PS1 Op.mode rush rst. PS1 RushI(2f0)/ I(f0) PS1 0-seq. filt.a en. PS1 0-seq. filt.b en. PS1 Overflux.bl. en. PS1 Ov. I(5f0)/ I(f0) PS1 Op.del.,trip sig. PS1 Hyst. effective PS1 Vec tor group end a-b Vec tor group end a-c

Yes 0 0.15 Iref 5.0 Iref 30.0 Iref 0.20 Iref 0.20 (Bias setting m1=20%) 0.70 (Bias setting m2=70%) 4.0 Iref Not phase-selec tive 20 % (2nd Harmonic blocking) Yes NO No 100 % (5th Harmonic blocking) 0.00 s Yes 11 11

Enable Operating mode Bl.f.DIFF trigg. C TS effective Idiff> Idiff>>> m1 m2 IR,m2

Yes Low impeda nce / SUM(IP) No No 0.10 Iref 10.0 Iref 0.20 1.50 1.00 Iref

3.3) REF PROTECTION:

072.141 072.149 080.006 080.003 072.150 072.151 072.162 072.163 072.164

PS1 PS1 PS1 PS1 PS1 PS1 PS1 PS1 PS1

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3.4) DTOC_1 PROTECTION (For HV Side): C T ratio: 60/1 Transformer rated current: =52.71A. Secondary current =52.71/60 =0.878A C urrent setting = 1.2 x 0.878 =1.05 A Time delay =3 sec. Highset to be set at 10 times IDMT set current I,e 0.878 x 10 =8.78A Timer Setting: 0.02 sec . 076.050 Enable PS1 Yes 076.067 Block tim.st. IN PS1 Without 076.066 Gen.starting mode PS1 With start. IN/Ineg 076.065 tG S PS1 0.00 s 076.063 Rush restr.enabl PS1 No 076.051 I> PS1 1.05 Inom 076.052 I>> PS1 1.10 Inom 076.053 I>>> PS1 8.78 Inom 076.151 I>dynamic PS1 1.00 Inom 076.152 I>> dyna mic PS1 1.00 Inom 076.153 I>>> dyna mic PS1 1.00 Inom 076.057 tI> PS1 3.00 s 076.058 tI>> PS1 0.50 s 076.059 tI>>> PS1 0.02 s 076.197 Ineg> PS1 0.25 Inom 3.5) V/ f PROTECTION: 081.210 081.211 081.212 081.213 081.214 081.217 081.218 081.219 081.220 081.221 081.222 081.223 081.224 081.225 081.226 081.227 081.228 081.230 081.229

Enable V/ f> (alarm) V/f(t)> V/f>> tV/f> t at V/ f=1.05 t at V/ f=1.10 t at V/ f=1.15 t at V/ f=1.20 t at V/ f=1.25 t at V/ f=1.30 t at V/ f=1.35 t at V/ f=1.40 t at V/ f=1.45 t at V/ f=1.50 t at V/ f=1.55 t at V/ f=1.60 Reset time tV/f>>

PS1 PS1 PS1 PS1 PS1 PS1 PS1 PS1 PS1 PS1 PS1 PS1 PS1 PS1 PS1 PS1 PS1 PS1 PS1

Yes 1.10 Vnom/ fnom 1.25 Vnom/fnom 1.45 1s (Alarm) Max Max Max 55 s 40 s 20 s 8s 5s 4s 3.5 s 3s 2s 2s Blocked

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3.6) BREAKER FAILURE PROTECTION: Selec t. meas. input I< t1 3p t2 Delay/ starting trig. Delay/fault beh. C B

4) Settings for E/F:

End HV SIDE 0.10 Inom 0.15 s 0.25 s 0.00 s 0.12 s

51 (MIC OM P111)

C T ratio: 60/1 Transformer rated current: = 57.70 A. Secondary current = 57.70/60 = 0.961A E/F to be set 10% of the full load current - 0.1 x 0.961 =0.096A Timer Setting: 2 sec. 5) Settings for 6.3kV Bus Earth Fault Relay:

(64BG)

MAKE

TYPE

SETTING RANG E

SETTING

PTR

AREVA

VDG14

5.4 ~ 20 A

5.4 Vo lts

6300/ 110V

6) Settings for 115kV Bus Diff. protec tion Relay:

(87B)

MAKE

TYPE

SETTING RANG E

SETTING

C TR

AREVA

C AG34

1.0 ~ 4.0 A

1.0 A

60/1A

7) Temperature Protection: Winding temperature : Alarm Winding temperature : Trip Oil temperature : Alarm Oil temperature : Trip

: : : :

85 0 C 900 C 750 C 800 C

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Power Trf relay setting_HD-A1.pdf

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