AC ground fault location for DC-AC systems based on a grounding resistor voltage analysis

Guerrero Granados, José Manuel and Navarro, Gustavo and Platero Gaona, Carlos Antonio (2020). AC ground fault location for DC-AC systems based on a grounding resistor voltage analysis. In: "2020 IEEE International Conference on Environment and Electrical Engineering and 2020 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe)", 9-12 Junio 2020, Madrid. pp. 1-6. https://doi.org/10.1109/EEEIC/ICPSEurope49358.2020.9160681.

Description

Title: AC ground fault location for DC-AC systems based on a grounding resistor voltage analysis
Author/s:
  • Guerrero Granados, José Manuel
  • Navarro, Gustavo
  • Platero Gaona, Carlos Antonio
Item Type: Presentation at Congress or Conference (Article)
Event Title: 2020 IEEE International Conference on Environment and Electrical Engineering and 2020 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe)
Event Dates: 9-12 Junio 2020
Event Location: Madrid
Title of Book: 2020 IEEE International Conference on Environment and Electrical Engineering and 2020 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe)
Date: 2020
Subjects:
Freetext Keywords: AC-DC power converters; Fault diagnosis; Fault location; Ground fault; Statistical analysis
Faculty: E.T.S.I. de Minas y Energía (UPM)
Department: Energía y Combustibles
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The use of power converters is crucial in electric drives. However, the fault location is difficult to carry out. In this paper a new location method for ground faults in the AC side of a DC-AC converters is presented. This method is based on a grounding resistor voltage waveform analysis. This resistor is installed between the midpoint of the DC bus of the power converter and ground. Then, a histogram with the measured instant values are built. Two characteristic voltage values are calculated: the value with more repetitions and a value with more amplitude. With them, the calculation of a global fault coefficient is done and the location of the fault is determined. To corroborate this method, numerous simulations have been carried out obtaining positive results

More information

Item ID: 64668
DC Identifier: http://oa.upm.es/64668/
OAI Identifier: oai:oa.upm.es:64668
DOI: 10.1109/EEEIC/ICPSEurope49358.2020.9160681
Official URL: https://ieeexplore.ieee.org/document/9160681
Deposited by: Memoria Investigacion
Deposited on: 20 Oct 2020 06:01
Last Modified: 20 Oct 2020 06:01
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