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    General Test Information:: Excitation Curve Data

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    Jeans Gonzalez
    This document summarizes the test results of a current transformer. It provides the company and device information, lists the test settings and measurements taken, and analyzes the results including excitation curve data, ratio accuracy at different current levels, phase displacement, and error boundaries. The tests indicate the current transformer performed as expected according to applicable standards.

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    © All Rights Reserved
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    General Test Information:: Excitation Curve Data

    Uploaded by

    Jeans Gonzalez
    26 views2 pages
    This document summarizes the test results of a current transformer. It provides the company and device information, lists the test settings and measurements taken, and analyzes the results including excitation curve data, ratio accuracy at different current levels, phase displacement, and error boundaries. The tests indicate the current transformer performed as expected according to applicable standards.

    Original Title

    02-37203

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    This document summarizes the test results of a current transformer. It provides the company and device information, lists the test settings and measurements taken, and analyzes the results including excitation curve data, ratio accuracy at different current levels, phase displacement, and error boundaries. The tests indicate the current transformer performed as expected according to applicable standards.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    26 views2 pages

    General Test Information:: Excitation Curve Data

    Uploaded by

    Jeans Gonzalez
    This document summarizes the test results of a current transformer. It provides the company and device information, lists the test settings and measurements taken, and analyzes the results including excitation curve data, ratio accuracy at different current levels, phase displacement, and error boundaries. The tests indicate the current transformer performed as expected according to applicable standards.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
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    Company Name: WEG Equipamentos Elétricos S/A

    Company Address: CORPOELEC

    Order Number: CP:12042633 PEP:120-1400024-121

    General test information: Date/Time: 27/8/2014


    Test device: CT-Analyzer Device Serial No.: DD434X
    File name:
    Assessments: OK

    Used test settings:


    I-pn: 350,0 A Location: Object:
    I-sn: 5,0 A Company: Manufacturer:
    Rated burden: 20,0 VA / 0,8 Country: Type:
    Operating burden: 20,0 VA / 0,8 Station: Serial number: 37203
    Applied standard: IEC 61869-2 Feeder/Bay: Core number:
    Core type (P/M): P Phase: Tap:
    Class: 5P IEC-ID Optional:
    ALF: 20,0 Ts:
    f: 60,0 Hz max. Rct: 0,327 •

    Resistance test: Burden test:


    Rmeas (25°C): 0,27403 • Burden: cos •: Z:
    Rref (75°C): 0,32683 • Vmeas: Imeas:

    Excitation test:
    V-kn: 111,627 V I-kn: 0,193299 A Result with rated burden: Result with operating burden:
    V-kn 2: #N/D I-kn 2: #N/D ALF: >26,966785 ALFi: >26,6995425 ALF: >26,966785 ALFi: >26,6995425
    Ls: 0,0019861H Lm: 1,8915 H Ts: 1,956s Ts: 1,956s
    Kr: 92,64 %

    Ratio test:
    Ratio: 350,0 : 4,98857 • : -0,2285 % ••: 4,1 min Polarity: OK N: 69,99
    •c : 0,2675 %

    Excitation curve data


    Excitation curve data

    1000

    100

    10
    Es / V

    0,1

    0,01
    0,0001 0,001 0,01 0,1 1 10

    le / A
    Série1 (I-kn,V-kn) (I-kn2,V-kn2) Series 2

    Ensaiado por: Adriana Behling Inspetor:

    WEG Equipamentos Elétricos S/A


    Rua Dr. Pedro Zimmermann, 6751 - 89068-001 - Blumenau - SC - Fone (47) 3337-1000 - Fax (47) 3337-1090 – www.weg.net 1-2
    Current ratio error in % at % of rated current
    VA/cosPhi 1 5 10 20 50 100 120 200
    20 VA/ 0,8 -0,771 -0,380 -0,328 -0,289 -0,252 -0,229 -0,223 -0,207
    10 VA/ 0,8 -0,546 -0,241 -0,201 -0,177 -0,152 -0,139 -0,135 -0,127
    5 VA/ 0,8 -0,161 -0,131 -0,114 -0,098 -0,089 -0,087 -0,082
    2,5 VA/ 1 -0,076 -0,065 -0,059 -0,053 -0,050 -0,049 -0,048
    VA/

    Phase displacement in [min] at % rated current


    VA/cosPhi 1 5 10 20 50 100 120 200
    20 VA/ 0,8 30,762 10,973 8,539 6,890 5,256 4,098 3,783 3,062
    10 VA/ 0,8 29,602 9,271 6,977 5,599 4,358 3,556 3,354 2,793
    5 VA/ 0,8 8,517 6,231 4,924 3,813 3,189 3,037 2,617
    2,5 VA/ 1 9,020 6,451 5,139 4,041 3,449 3,309 2,926
    VA/

    Error borders according IEC 60044-1 at % of rated current


    Mult.Factor 1 5 10
    Ratio 20
    Error Graph 50 100 120 200
    0,60 0,30
    0,000 -0,60 -0,30
    0 50 100 150 200 250

    -0,100

    -0,200
    100% Load
    Current deviation [%]

    -0,300
    50% Load
    -0,400
    25% Load

    -0,500

    -0,600

    -0,700

    -0,800

    -0,900

    % I-pn

    Tensão Induzida: OK
    Dimensional OK

    Ensaiado por: Adriana


    AdrianaBehling
    Behling Inspetor: 0

    WEG Equipamentos Elétricos S/A


    Rua Dr. Pedro Zimmermann, 6751 - 89068-001 - Blumenau - SC - Fone (47) 3337-1000 - Fax (47) 3337-1090 – www.weg.net 2-2

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