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Description
Rated parameters of the frequency converter. (1) Rated parameters of the inlet side.
① Rated voltage → Low-voltage inverter rated voltage has single-phase 220~240V(mainly small
capacity inverter in household appliances), three-phase 220V or 380~460V. The rated voltage of
low-voltage inverter in China is mostly three-phase 380V, and the rated voltage of medium-high
voltage inverter is 3kV, 6kV and 10kV. ② Rated frequency → Generally specified as power
BAUMULLER-BKF12
frequency 50Hz or 60Hz, our country is 50Hz. (2) Rated parameters of the output side.
① Rated output voltage → Because the output voltage of the inverter changes with the frequency,
its rated output voltage can only be specified as the maximum value of the output voltage, usually it is
always equal to the rated voltage on the input side. ② Rated output current → Rated output current
refers to the maximum current allowed for long-term output, which is the main basis for users to choose
the inverter. ③ Rated output capacity → Rated output capacity is determined by the product of rated output voltage
and rated output current:
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