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Browsing 11. Congresso Internacional de Metrologia Elétrica (SEMETRO) by Author "Trigo, Leonardo"

Browsing 11. Congresso Internacional de Metrologia Elétrica (SEMETRO) by Author "Trigo, Leonardo"

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  • Eleven years of monitoring an ultra-stable 10 V zener-based voltage standard 
    Souza, Heriguatí de; Trigo, Leonardo; Slomovitz, Daniel (2015)
    The long-term behavior of a voltage standards based on 140 zeners is analyzed. This standard was developed in 2004 and was monitored up to now. Noise and drift are evaluated showing better results than commercial similar ...
  • A measuring system to test current transformers at high frequencies for power quality analysis 
    Santos, Alejandro; López, Gonzalo Andres Aristoy; Trigo, Leonardo; Brehm, Marcelo; Slomovitz, Daniel (2015)
    The increase of distorted loads and non-conventional generation has led to limit the harmonic distortion in power networks. However, current instrument transformers (CT) are usually designed and tested only at power ...
  • Trilateral south american project: a reference system for measuring electric power up to 100 kHz - progress report 
    Amaral, Kyriazis, Gregory; Di Lillo, Lucas; Slomovitz, Daniel; Iuzzolino, Ricardo; Yasuda, Eliana; Trigo, Leonardo; Laiz, Héctor; Debatin, Rosane Moreira; Franco, Ana Maria Ribeiro (2015)
    Three countries in South America are jointly developing a reference system for measuring electric power up to 100 kHz. The objective is the construction of three similar measuring systems, one for each institute. The ...
  • Wideband resistive voltage divider for a standard wattmeter 
    Slomovitz, Daniel; Trigo, Leonardo; Lopez, Gonzalo Andres Aristoy; Brehm, Marcelo; Kyriazis, Gregory Amaral (2015)
    This work shows the state of development of resistive voltage dividers for use in a standard wattmeter that covers a frequency range from 50 Hz to 100 kHz. The voltage ranges go from 4 V to 1024 V, with required accuracy ...

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