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    MCC1 Transformer Outgoing Feeder REF 611 Protection Curves

    Uploaded by

    Musembi
    This document provides an electrical diagram and component details for MCC1_TX, including a 1600 kVA transformer and cables connecting it to MCC1. It shows the transformer ratings and curves, cable ampacities and specifications. It also includes protection device settings for overcurrent elements on the transformer high voltage and low voltage sides.

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

    MCC1 Transformer Outgoing Feeder REF 611 Protection Curves

    Uploaded by

    Musembi
    15 views1 page
    This document provides an electrical diagram and component details for MCC1_TX, including a 1600 kVA transformer and cables connecting it to MCC1. It shows the transformer ratings and curves, cable ampacities and specifications. It also includes protection device settings for overcurrent elements on the transformer high voltage and low voltage sides.

    Original Description:

    Tx feeder

    Original Title

    MCC1 Transformer Outgoing feeder REF 611 Protection curves

    Copyright

    © © All Rights Reserved

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    This document provides an electrical diagram and component details for MCC1_TX, including a 1600 kVA transformer and cables connecting it to MCC1. It shows the transformer ratings and curves, cable ampacities and specifications. It also includes protection device settings for overcurrent elements on the transformer high voltage and low voltage sides.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    15 views1 page

    MCC1 Transformer Outgoing Feeder REF 611 Protection Curves

    Uploaded by

    Musembi
    This document provides an electrical diagram and component details for MCC1_TX, including a 1600 kVA transformer and cables connecting it to MCC1. It shows the transformer ratings and curves, cable ampacities and specifications. It also includes protection device settings for overcurrent elements on the transformer high voltage and low voltage sides.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 1

    Amps X 100 MCC1_TX_HV (Nom. kV=10.5, Plot Ref. kV=10.

    5)
    .5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
    1K 1K
    MCC1_TX MV cable 6 MCC1_MCC1TX MCC1
    FLA - Other 65 Ampacity
    500 500

    LV CABLE 1 MCC1_MCC1LV
    300 Ampacity 300 MCC1_MCC1TX_CB

    ±
    MCC1_TX_IED - P - 51
    R
    OC1

    MV cable 6 MCC1_MCC1TX
    100 ABB LV CABLE 1 MCC1_MCC1LV - P 100
    MCC1_TX_IED

    REF 611 9 - 1/C 240 mm²


    CT Ratio 100:5 Copper XLPE
    IEC Very Inverse Tc = 90C
    50 50
    Pickup = 1.1 (0.05 - 5 xCT Sec) Plotted - 3 x 240 mm²
    6-1/C 300
    Time Dial = 0.64
    30 3x = 4.32 s, 5x = 2.16 s, 8x = 1.23 s 30

    MCC1_TX_IED - P - 50
    OC1
    ABB MCC1_TX_HV
    REF 611
    10 CT Ratio 100:5 10

    Inst = 19.5 (1 - 40 xCT Sec)


    Time Delay = 0.05 s
    5 5
    MCC1_TX

    Seconds
    1600 kVA

    3 3
    MCC1_TX
    MCC1_TX_LV
    1600 kVA (Secondary) 4.43 %Z
    Delta-Wye Solid Grd
    MCC1_TX Curve Shift = 1
    1 1600 kVA (Secondary) 4.43 %Z 1

    LV CABLE 1 MCC1_MCC1LV
    Delta-Wye Solid Grd
    Curve Shift = 0.58
    .5 .5 9-1/C 240

    .3 .3

    .1 .1
    MCC1_TX
    Inrush
    .05 .05

    .03 MV cable 6 MCC1_MCC1TX - P .03


    6 - 1/C 300 mm²
    Copper XLPE
    Tc = 90C
    Plotted - 2 x 300 mm²
    .01 .01
    .5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K

    Amps X 100 MCC1_TX_HV (Nom. kV=10.5, Plot Ref. kV=10.5)


    ETAP Star 16.0.0C

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