IEEE/ANSI 320-1972 IEEE Application Guide for High Voltage Circuit Breakers Rated on a symmetrical current Basis

IEEE/ANSI 320-1972 Руководство IEEE Применение для высокого напряжения автоматических выключателей на симметричной текущей основе

This application guide applies to ac high voltage circuit breakers rated in accordance with the methods given in American National Standard Rating Structure for A C High-Voltage Circuit Breakers, C37.04-1964(R1969) and listed in American National Standard Preferred Ratings and Related Required Capabilities for A C High-Voltage Circuit Breakers, C37.06-1971. Circuit breakers rated and manufactured to meet other standards, or used in switchgear assemblies, should be applied in accordance with application procedures adapted to their specific ratings or applications.