- این موضوع 1 پاسخ، 1 کاربر را دارد و آخرین بار در 2 سال، 9 ماه پیش بدست بهروزرسانی شده است.
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موضوع
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Our utility specifications calls for VTs of burden 100VA. As the connected burden is low and due to switchgear compact designs (for indoor applications), manufacturers are offering VT of burden 30VA or less.
Our utility specifications calls for VTs of burden 100VA. As the connected burden is low and due to switchgear compact designs (for indoor applications), manufacturers are offering VT of burden 30VA or less. We understand that measuring class VT with higher burden will lead to less accuracy while CVTs of higher burden will lead to ferroresonance problems.
Is there any advantage to have VTs of higher burden (say 100VA) while connected burden is very less (say 1-2VA) especially for protection applications and inductive VT designs.Regards,
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