Sort by drag

- Jun 05, 2017 -

1, the exchange of single induction motor open-loop direct start of the elevator drag system.

2, AC two-speed motor variable pole speed elevator open-loop drag system.

3, AC two-speed motor, semi-closed-loop voltage regulation speed drive system.

4, AC two-speed motor, fully closed-loop voltage regulation of the elevator drive system. (ACVV)

5, the exchange of single-speed motor, fully closed-loop voltage regulation of the elevator drive system. (VVVF)

6, AC permanent magnet synchronous motor full closed-loop pressure regulation of the elevator drive system. (VVVF)

7, DC motor full closed-loop voltage regulation speed drive system.

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