ANALYSIS OF APPLICABILITY OF EXTERNAL NETWORK EQUIVALENTS FOR DEFINITION OF SHORT CIRCUIT CURRENTS IN 2×25 KV AUTOTRANSFORMER TRACTION POWER SUPPLY SYSTEMS Язык Английский Подробнее о ANALYSIS OF APPLICABILITY OF EXTERNAL NETWORK EQUIVALENTS FOR DEFINITION OF SHORT CIRCUIT CURRENTS IN 2×25 KV AUTOTRANSFORMER TRACTION POWER SUPPLY SYSTEMSРусский