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About REF CALCULATION
APP provides High Impedance REF Calculation for Power Transformer
The High Impedance Restricted Earth Fault (REF) protection scheme is a fast and highly stable method used to protect a transformer winding against earth faults, particularly those close to the neutral point, which overall differential protection might miss. This App provides High Impedance REF Calculation for Power Transformer.
What's new in the latest
Last updated on Nov 18, 2025
Minor bug fixes and improvements. Install or update to the newest version to check it out!
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REF CALCULATION APK Information
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