I notice you mentioned (likely a typo for 61936-1 ), which is an international standard: “Power installations exceeding 1 kV AC and 1.5 kV DC – Part 1: AC” from the IEC.
If you need a (e.g., earthing calculations, clearance tables, or fire protection rules), let me know and I can extract the relevant guidance from the 2021 edition. iec 6193612021 link
In many countries (EU via harmonized standards, Australia, Brazil, etc.), compliance with IEC 61936 is required by law for grid operators, industrial plant owners, and renewable energy farms to ensure . I notice you mentioned (likely a typo for