applies to electronic uninterruptible power systems (UPS) with an electrical energy storage device in the d.c. link. It is to be used with IEC 60950-1 which is referred to in this standard as "RD".
29.200 Rectifiers. Including semiconductor converters / Выпрямители. Преобразователи. Стабилизированные источники питания. Включая полупроводниковые преобразователи