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HDPT-830 transformer protector for neutral not-grounded side |
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In the HDPT-830 transformer protection applies to the non-directly-grounded side of the transformer neutral. It may be combined with the HDPT-800 transformer difference protection and the HDPT-820 transformer protection into the package protection.
1.Compounded voltage lock (directional) over-current protection 2.Overload protection 3.Zero sequence (directional) over-current protection 4.VT failure judgment 5.Fault oscillograph capture 6.Electric anti-pump circuit |
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