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【 EC fan wholesale 】 The three elements

by:TOCH     2021-01-27
【 EC fan wholesale 】 The three elements of
( 1) Low loss, high efficiency,
because of the permanent magnet excitation, eliminate the loss of induction motor excitation current; At the same time, permanent magnet brushless dc motor work in synchronous operation mode, eliminates the switch frequency of induction motor rotor core loss. These two aspects makes the running efficiency of the permanent magnet brushless dc motor is far higher than that of induction motor, small capacity motor efficiency is more obvious.
( 2) High power factor
as a result of the brushless dc motor excitation magnetic field does not need power grid reactive current, so the power factor is far higher than that of induction motor, brushless dc motor can be run on 1 power factor, it is highly advantageous to small power motor. Brushless motor and induction motor has higher efficiency when compared with not only the rated load and power factor, and has more advantages in light load.
( 3) Speed control performance is good, simple control
compared with induction motor variable frequency speed regulation, brushless dc motor speed regulation control is not only simple, and has better performance of speed adjustment.

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