Nothing Special   »   [go: up one dir, main page]
Scribd Logo
Upload

Welcome to Scribd!

  • 47 views

    Micom P142

    Uploaded by

    Santhosh Kumar Vinayagam
    This document details the results of site inspection and testing of relays at a substation. It documents checks performed on the relays, testing of inputs, outputs, timing functions and pickup/dropout values to ensure correct operation.

    Copyright:

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

    Micom P142

    Uploaded by

    Santhosh Kumar Vinayagam
    47 views4 pages
    This document details the results of site inspection and testing of relays at a substation. It documents checks performed on the relays, testing of inputs, outputs, timing functions and pickup/dropout values to ensure correct operation.

    Original Title

    MICOM P142

    Copyright

    © © All Rights Reserved

    Available Formats

    DOCX, PDF, TXT or read online from Scribd

    Did you find this document useful?

    Is this content inappropriate?

    This document details the results of site inspection and testing of relays at a substation. It documents checks performed on the relays, testing of inputs, outputs, timing functions and pickup/dropout values to ensure correct operation.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    47 views4 pages

    Micom P142

    Uploaded by

    Santhosh Kumar Vinayagam
    This document details the results of site inspection and testing of relays at a substation. It documents checks performed on the relays, testing of inputs, outputs, timing functions and pickup/dropout values to ensure correct operation.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    You are on page 1of 4

    SITE INSPECTION AND TEST RECORD

    Contract No:
    PIC P - 7703
    Name of Substation: 10J SUBSTATION
    Description: F50/51 P142 RELAY TEST RESULT
    Panel: Location: Page 1 of 4

    1. RELAY IDENTIFICATION:

    Designation Bay Name


    Manufacturer MICOM Binary Input Supply 125V
    Auxiliary Voltage Rated Frequency 60Hz
    Ordering Number P142 Serial Number
    34500 115
    CT Ratio 1200/1A VT Ratio /
    √3 √3

    2. RELAY CHECKS:

    Sr. No. Relay Checks Status


    1 Visual Inspection / Rating Information
    2 Case Earthing
    3 Ferrule check
    4 Wiring against Diagram Checked

    3. BINARY INPUT TEST (With Relay Energized):

    INPUT# TERMINALS STATUS

    TESTED BY WITNESSED BY
    xx/xx/20xx
    ALFANAR T&C SIEMENS MARAFIQ RCA
    Name Eng. Eng. Eng. Eng.
    Signature
    SITE INSPECTION AND TEST RECORD

    Contract No:
    PIC P - 7703
    Name of Substation: 10J SUBSTATION
    Description: F50/51 P142 RELAY TEST RESULT
    Panel: Location: Page 2 of 4

    4. LED CHECK:

    OPTO INPUT NO. STATUS


    LED 1
    LED 2
    LED 3
    LED 4
    LED 5
    LED 6
    LED 7
    LED 8

    5. BINARY OUTPUT TEST (Relay Energized):

    OUTPUT # CONTACT # STATUS

    6. ANALOGUE INPUT MEASUREMENT TEST:

    Calculated Values Measured Values


    Measured Item Injected Values
    Primary Angle Primary Angle
    IA 5∟0°
    IB 5∟-120°
    IC 5∟120°
    IN 5∟0°
    VAB 69.28∟0°
    VBC 69.28 ∟-120°
    VCA 69.28∟120°
    Frequency 60

    TESTED BY WITNESSED BY
    xx/xx/20xx
    ALFANAR T&C SIEMENS MARAFIQ RCA
    Name Eng. Eng. Eng. Eng.
    Signature
    SITE INSPECTION AND TEST RECORD

    Contract No:
    PIC P - 7703
    Name of Substation: 10J SUBSTATION
    Description: F50/51 P142 RELAY TEST RESULT
    Panel: Location: Page 3 of 4

    8. SECONDARY INJECTION TESTS FOR O/C & E/F UNIT:

    a- Relay Operating Value as Per IDMT (IEC normal inverse used is IEC curve A)

    ¿=,(Ip pick up)=,(Ig pick up)=,Tp=¿


    Injected Expected Time Operating Time (sec)
    FUNCTION
    Current (A) (sec) R Y B N

    Normal Inverse

    Tolerance: Timers: ± 2% or 50ms whichever is greater (manual page: 26/132)


    0.14 × Tp
    Normal Inverse t (s)= 0.02
    I
    ( ) −1
    Ip
    b- OC/EF Pick up & Drop Off Test (IDMT):

    Tolerance: I > Pick-up: Setting ±5% or 20 mA & I > Drop-off: 100% of setting ±5% or 20 mA(manual page:
    26/132)

    Iset I > A Iset I > A


    R Y B N
    P.U (A) D.O (A) P.U (A) D.O (A) P.U (A) D.O (A) P.U (A) D.O (A)

    c- Relay Operating Value as Per DMT:

    TIMING SET (sec)


    R Y B N
    Exp (s) Actual (s) Exp (s) Actual (s) Exp (s) Actual (s) Exp (s) Actual (s)

    d- OC/EF Pick up & Drop Off Test (DMT):

    Iset I > A Iset I > A


    R Y B N
    P.U (A) D.O (A) P.U (A) D.O (A) P.U (A) D.O (A) P.U (A) D.O (A)

    TESTED BY WITNESSED BY
    xx/xx/20xx
    ALFANAR T&C SIEMENS MARAFIQ RCA
    Name Eng. Eng. Eng. Eng.
    Signature
    SITE INSPECTION AND TEST RECORD

    Contract No:
    PIC P - 7703
    Name of Substation: 10J SUBSTATION
    Description: F50/51 P142 RELAY TEST RESULT
    Panel: Location: Page 4 of 4

    9. CBF TEST:

    a. Pick up test
    PICK-UP CURRENT (A) DROP OFF CURRENT (A)
    Set
    value(A) R Y B R Y B
    0.1
    0.15

    Tolerance: 2 % of the setting value or 1 % of the rated current

    b. Timing Test for CBF:

    Set Time Operating Time at 2 * I set (ms)


    Set value(A)
    (sec) R Y B
    0.1 0.15
    0.15 0.15

    Tolerance: 1 % of the setting value or 15ms

    TESTED BY WITNESSED BY
    xx/xx/20xx
    ALFANAR T&C SIEMENS MARAFIQ RCA
    Name Eng. Eng. Eng. Eng.
    Signature

    You might also like