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  • Users: alimt
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  1. alimt

    Transformer inrush

    UPS have 3 inputs consist of : 230Vac, 400Vac 3phase & 110Vdc the output of UPS is 230 Vac 50Hz (please see the attach files). The AC inputs are feed from the same station service transformer.http://www.4shared.com/office/Y-L0wsG6/UPS.html
  2. alimt

    Transformer inrush

    Thanks mr. PHovnanian & Bronzeado UPS feed from the station service transformer (Please find the attached file of single line diagram. Actually the UPS not totally fail the UPS just blink, after we change the source using diesel generator set the UPS become normal. we had difficulty to copying...
  3. alimt

    Transformer inrush

    Thanks mr. PHovnanian UPS feed from the station service transformer (Please find the attached file of single line diagram).
  4. alimt

    Transformer inrush

    We have the 2 units Interbus transformers (IBT) 90MVA, 275/150KV, 2 winding at the substation where the substation is supplied from hydro power plant with a 275KV transmission distance of 200km. While IBT-1 was energized with voltage at HV side is 265 KV, voltage at LV side is 155KV and load 51...

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