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Security procedures for transformers

[Procedimientos de seguridad para transformadores]

EPTIS factsheet 643158 | Last revision 2020-01-31 | URL: https://www.eptis.bam.de/pts643158 https://www.eptis.bam.de/pts643158

PT provider
PT provider Metrologos Especializados e Ingenieros Electricos MEIE S. de R.L. de C.V Metrologos Especializados e Ingenieros Electricos MEIE S. de R.L. de C.V
Based in Mexico
Language(s) English/Español
Remarks
Keywords
Product groups Electrical / electronical devices
Testing fields Electrotechnics / electronics
Technical details
Test item Tested property Testing method
Transformer /Transformation relation Measuring winding resistance Security procedures for transformers
Aims of the PT scheme
Target group of participants ELECTRICAL AREA TESTING LABORATORIES
Linked to specific legislation / standards Measurement of the resistance ohmic of the winding, included in the Colombian technical standard: NTC 375 (approved 2017-11-15), subsection 2.1.1, subsection 5 of the standard: IEEE Std C57.12.902015, subsection 11.2 of the standard: IEC 60076- 1-2011, paragraphs 4.3.2 and 4.3.3 of the standard: NMX-J-169-ANCE-2015; NMX-J-351-2-ANCE-2016; Transformation ratio, included in the Colombian technical standard: NTC 471 (Approved 2017-05-17), subsection 7 of the standard: IEEE Std. C57.12.90-2015; subsection 11.3 of the standard: IEC 60076-1-2011, subsection 6.2.2 of the standard: NMX-J-169-ANCE-2015, NMXJ-351-2-ANCE-2016; Lost in vacuum and current of excitation, Colombian Technical Standard: NTC 1031 (First edition), subsection 8 of the standard: IEEE Std. C57.12.90-2015; subsection 11.5 of the standard: IEC 60076-1-2011, subsections 7, 7.1, 7.2, 7.2.1.2 of the standard: NMX-J169-ANCE-2015, NMX-J-351-2-ANCE2016; Measurement of impedance and short circuit losses due to load Colombian Technical Standard: NTC 1031 (first update), subsection 9 of the standard: IEEE Std C57.12.90-2015; subsection 11.4 of the standard: IEC 60076-1-2011, subsection 4 of the standard NTC-1005, Section 8, 8.1, 8.2, 8.3, 8.4 of the standard: NMX-J-169ANCE-2015, NMX-J-351-2-ANCE-2016; Measurement of insulation resistance, Section 9.9 of the standard: NMX-J-169ANCE-2015, NMX-J-351-2-ANCE-2016; Voltage applied and Induced, sections 9.5 and 9.6 of the standard: NMX-J-169ANCE-2015, NMX-J-351-2-ANCE-2016; Polarity, phasor diagram, phase sequence, section 5.1.1 of the standard: NMX-J-169ANCE-2015; Air tightness, section 11 of the standard: NMX-J-169-ANCE-2015; Measurement of temperature rise (measurement of heating) of transformer windings, sections 10, 10.2, 10.3, 10.3.1, 10.3.5 of standard NMX-J-169-ANCE2015, sections 10.4.2, 10.4.3, 10.4.4 of standard NMX-J-169-ANCE-2004, Standard NTC-316
Additional, subsidiary aims
Number of participants 30
Accredited or otherwise reviewed by a 3rd party

Accredited by American Association for Laboratory Accreditation (A2LA)  on the basis of ISO/IEC 17043:2010

Operation is commissioned / requested by
Fees and frequency
Participation fee PLEASE CONTACT US
Regularly operated Yes (OCTOBER)
Year of first operation 2018
Contact details of the PT provider
Provider Contact person
Metrologos Especializados e Ingenieros Electricos MEIE S. de R.L. de C.V
Sur 105A #702
09060
Mexico

Phone: +5276914255
Fax:
Web: http://metrologosmeie.com/ http://metrologosmeie.com/
Ing Emmanuelle David Mora Muñiz
Phone: +5276914255
Fax:
Email: edavidmm@metrologosmeie.com edavidmm@metrologosmeie.com
If you find any mistakes please contact the responsible EPTIS coordinator in Mexico, Mr Cecilia Arzate Estrada. Mr Cecilia Arzate Estrada.
Any questions or problems? Please contact us at eptis@bam.de.
Application version: 1.21