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Protection Question No.50 – Protective relays and system harmonics

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  • #379
    Bahula

      In our industrial plant, the power electronic convertor devices such as industrial frequency convertor, variable speed drives and ac to dc convertors have used, and we concern to voltage and current distortion and its bad affects on electrical protection systems.
      In our industrial plant, the power electronic convertor devices such as industrial frequency convertor, variable speed drives and ac to dc convertors have used, and we concern to voltage and current distortion and its bad affects on electrical protection systems. Please inform me if there are any limitations for application of protective relays in typical mentioned system.

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    • #1696
      Hamid

        IEEE 519 states,

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