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  • Users: hir
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  1. hir

    Regarding HV Test - Power Frequency - for Old SwitchGear

    Dear Sir/s, I need some help. I am going to put in service some only Switchgears Panels in action. I need to know howmuch Voltage I have to inject for power frequency 1 Min test? These swirchgears was ideal for 5 years as a spare in separate room, Now just I installed. Its 3.3 KV & 11 KV and...

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