frequency conversion
how to say “frequency conversion” in Russian？ such as "It uses a frequency conversion technique", "This is a frequency conversion motor"

Question

Answer

"It uses a frequency conversion technique" ~ что-то использует метод преобразования частот (частоты)
"This is a frequency conversion motor" ~ это устройство по преобразованию частот

Answer

Frequency conversion - Преобразование частоты.
This is a frequency conversion motor - Это преобразователь частоты (мотор преобразования частоты).

Answer

Есть такое слово "редуктор", и можно без всяких там фазоинвертеров и синхрофазотронов.

Answer

frequency converter = частотный преобразователь

It depends on the context I think, and also it is probably very specific to the industrial domain it's used in. Sorry I can't be of more help.

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