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Kegagalan UPS

2016-11-22View Original

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Seperti yang ditunjukkan dalam rajah, POWERWARE 9150ups gagal semasa berjalan, dan punca kod kesalahan: UPS tidak mempunyai voltan keluaran, penerus mempunyai keluaran voltan 800V, dan UPS tidak mempunyai keluaran voltan (sisi keluaran penyongsang). IGBT tidak rosak apabila diukur (voltan pengaliran hadapan adalah kira-kira 0.4V, pengaliran terbalik tidak konduktif). Apabila dimulakan, terdapat voltan serta-merta kira-kira 90V pada bahagian penyongsang, dan kemudian penggera dimatikan. Sila dapatkan penyelesaian atau analisis punca kerosakan.

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