Ключевые слова:
Single-phase transformers|Marking|Protected electrical equipment|Electrically-operated devices|Rated voltage|Environment (working)|Performance testing|High-voltage tests|Electric enclosures|Design|Leakage paths|Earthing|Name plates|Bus-bars|Rated current|Clearance distances|Rated frequencies|Electrical protection equipment|Overcurrent protection|Air-cooled systems|Lighting equipment|Mining equipment|Short-circuit current tests|Isolator switches|Coal mining|Type testing|Cable junctions|Electric control equipment|Temperature-rise limit|Type d protected electrical equipment