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  1. Mario JGG

    3 Phase Voltage stabilizer unestable

    Thanks, FacEngrPE, good information.
  2. Mario JGG

    3 Phase Voltage stabilizer unestable

    Thanks, FacEngrPE, I appreciate your help Yes very similar, as do you indicating are 3 units with a common neutral, our suspect is neutral is not correctly earthed, or there are some is making it unstable because we have all connected to the neutral of the transformer, the stabilizer works fine...
  3. Mario JGG

    3 Phase Voltage stabilizer unestable

    Hello, We have an installation with the following configuration, Connection to the grid with a Y-Y Stepdown Transformer 750 KVA, from 12470/7200 to 480/277V, 60 Hz. The load are 3 phase air conditioners, the compressors are connected in Delta, the current of consumption is around 25 Amps, each...

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