UNDERFREQUENCY RELAY


Meaning of UNDERFREQUENCY RELAY in English

ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ ̷ ̷ ̷ ̷- noun

Etymology: under (III) + frequency

: a relay actuated by a fall in electrical frequency

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.