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    Relay Settings - Xlsxs

    Uploaded by

    Avinash Kumar
    1. The document provides relay settings for different voltage levels including 66kV, 33kV, and DC. It includes settings for overcurrent, earth fault, and transformer differential protection. 2. Metering and instrument transformer ratios are listed including current transformer and potential transformer ratios for different voltage levels. 3. Average daily energy consumption data is shown for different substations in the network.

    Copyright:

    © All Rights Reserved
    Download as XLSX, PDF, TXT or read online from Scribd

    Relay Settings - Xlsxs

    Uploaded by

    Avinash Kumar
    103 views18 pages
    1. The document provides relay settings for different voltage levels including 66kV, 33kV, and DC. It includes settings for overcurrent, earth fault, and transformer differential protection. 2. Metering and instrument transformer ratios are listed including current transformer and potential transformer ratios for different voltage levels. 3. Average daily energy consumption data is shown for different substations in the network.

    Original Description:

    Relay

    Original Title

    Relay settings.xlsxs

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    © © All Rights Reserved

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    1. The document provides relay settings for different voltage levels including 66kV, 33kV, and DC. It includes settings for overcurrent, earth fault, and transformer differential protection. 2. Metering and instrument transformer ratios are listed including current transformer and potential transformer ratios for different voltage levels. 3. Average daily energy consumption data is shown for different substations in the network.

    Copyright:

    © All Rights Reserved
    Download as XLSX, PDF, TXT or read online from Scribd
    Download as xlsx, pdf, or txt
    103 views18 pages

    Relay Settings - Xlsxs

    Uploaded by

    Avinash Kumar
    1. The document provides relay settings for different voltage levels including 66kV, 33kV, and DC. It includes settings for overcurrent, earth fault, and transformer differential protection. 2. Metering and instrument transformer ratios are listed including current transformer and potential transformer ratios for different voltage levels. 3. Average daily energy consumption data is shown for different substations in the network.

    Copyright:

    © All Rights Reserved
    Download as XLSX, PDF, TXT or read online from Scribd
    Download as xlsx, pdf, or txt
    of 18

    66 kV 33 kV DC

    Sl No RED 670 (IC & Tr, REL 615 (IC RED 615 (TSS REF 615 (Tr. OG) SEPCOS
    OG) & Tr. OG) IC & OG)
    1 Diff. Prot OC Diff. Prot OC DDL + Delta I
    2 Residual EF Earth fault - EF DDL + Delta I
    3 UV - - Stand by earth fault I max +
    4 Tank earth fault - - - I max ++
    5 OV - - - I max -
    6 - - - - I max --
    7 - - - - Thermal
    8 - - - - U max

    Sl No SWG CT ratio PT ratio


    1 66 kV Tariff As of now 25/1 66000/110 V
    2 66 kV IC 400/1 66000/110 V
    3 33 kV IC 600/1 33000/110 V
    4 33 kV OG from RS200/1 33000/110 V
    5 Traction Transf. 50/1 33000/110 V
    6 Aux. Transf. 15/1 33000/110 V
    7 TSS IC & OG 200/1 33000/110 V (Bus PT)
    8 HSCB - Volatge VM 10 1500/5 V (Position A)
    9 HSCB - Current MIU 10 10000 A / 150 mV / 20 mA (Position 7)

    Avg Energy consumption /


    Sl No Station
    Day (units-kWh)
    1 RSS 32000
    ASS TSS
    2 PYID 865 -
    3 PEYA 575 2865
    4 YPI 680 -
    5 YPM 999 2800
    6 SSFY 662 -
    7 MHLI 629 2700
    8 RJNR 1045 -
    9 KVPR 681 2600
    10 SPRU 643 -
    11 SPGD 821 2100
    12 JLHL 710 3200
    13 DSH 723 -
    14 NGSA 863 2200
    15 PNYD 2500 1800
    Reach-3, 3A & 3B Relay Setting
    OC high set OC low set OC low set EF high set
    OC high set
    (PHHP) TMS (PHLP) (PHLP) (EFHP)
    SL no Feeder/incomer discription CT ratio (PHHP) PMS ms PMS TMS PMS
    Curve -DT Curve -DT Curve -NI Curve -NI Curve -DT
    1 2850 KVA TRF 50/1 1.52 50 (0.05) 1.1 0.05 1
    2 2000kva TRF 50/1 4 50 (0.05) 0.7 0.09 0.7
    3 500KVA TRF 15/1 0.87 50 (0.05) 1 0.11 1.71
    4 200KVA TRF 15/1 4.25 50 (0.05) 0.16 0.11 0.14
    5 I/c to 33KV Depot TSS bus 200/1 1 50 (0.05) — — 0.5
    6 TSS TIE FEEDERS 200/1 1 200 (0.2) — — 0.5
    7 O/G from rss to TSS bus 200/1 1 350(0.35) — — 0.5
    8 O/G from rss to ASS Bus 200/1 3.45 200(0.2) 1 0.08 0.5
    O/G to from TSS bus to
    9 200/1 1 200(0.2) — — 0.5
    Depot ASS
    O/G from 33KV rss BUS
    10 200/1 1 200(0.2) — — 0.5
    toDepot TSS
    O/G from 33KV rss BUS
    11 toDepot ASS 200/1 1 350(0.35) — — 0.5
    Incomer 33KV rss from 25
    12 600/1 — — 0.8 0.15 0.73
    MVA TRF
    13 33 KV RSS Buscupler 600/1 — — 0.8 0.15 0.73
    14 RSS TRF 66KV side (REF615) 400/1 5.3 50 (0.05) 0.6 0.2 1

    SEF TMS in
    SL no Feeder/incomer discription Curve type SEF PSM
    ms
    1 500KVA TRF SEF settings DT 0.93 1000ms
    2 2000KVA TRF SEF settings DT 3.7 1000ms

    415V AC LT side settings


    Long inverse Short inverse Ground fault
    SL Transformer
    PSM TMS PSM TMS PSM TMS
    1 2000KVA 1 2.5 6 0.1 0.2 0.1
    2 500KVA 1 2.5 6 0.1 0.2 0.1
    3 200KVA 1 2.5 6 0.1 0.2 0.1

    TSS RED615 differential settings Depot ASS RET615 general par


    Sl no Description Values Sl No Description
    1 High operated value 400% 1 operation
    2 High oprated Mult 1 2 CT connection type
    3 Low operated value 15% 3 Winding 1 Type
    4 End section 1 125% 4 Winding 2 Type
    5 Slope section 2 40% 5 Clock Number
    6 End section 2 300% 6 Zro A Elimination
    7 slpoe section 3 80% 7 Min Winding Tap
    8 operate delay time 45 8 Max winding tap
    9 operating curve DT 9 Tap Nominal
    10 Time multiplier 1 10 Tapped winding
    11 Start value 2.H 15% 11 step of tap
    12 CT connection Type Type1 12 CT ratio cor wnd 1
    13 Restraint mode Hormonica 2 13 CT ratio Cor Wnd2

    Depot TSS RET615 transformer differential


    settings
    SL Discription Values
    1 High operated value 650%
    2 Enable high set 1
    3 Low operated value 20%
    4 Slope section 2 30%
    5 End section 2 150%
    6 Restraint Mode -1
    7 Hormonic Deblock 2 1
    8 Start value 2.H 12
    9 Start value 5.H 25
    10 Stop value 5.H 35
    11 Hormonics deblock 5 0
    EF high set
    EF Low set EF Low set
    (EFHP) TMS
    (EFLP) TMS (EFLP) TMS
    ms
    Curve -DT Curve -NI Curve -NI
    50(0.05) 0.2 0.05
    50(0.05) 0.1 0.05
    50(0.05) 0.08 0.05
    50(0.05) 0.05 0.05
    60(0.06) 0.1 0.05
    200 (0.2) 0.1 0.12
    350(0.35) 0.1 0.21
    200 (0.2) 0.1 0.12
    200 (0.2) 0.1 0.11
    200 (0.2) 0.1 0.11

    350(0.35) 0.1 0.17

    500(0.5) 0.1 0.2


    500(0.5) 0.1 0.2
    50(0.05) 0.05 0.05

    15 general par
    Values
    on
    Type-1
    3=D
    2=yn
    11
    Windg-2
    1
    5
    3
    Not in use
    2.50%
    1.43
    1.08

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