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Automatic washing capacity of off-line is directly related to its motor Nov 01, 2017

Automatic wash off-line general operation rough by 12 plow automatic washing off-line in the operation because of the large amount of laundry, so is the choice of three-phase motor M-pass into the 380V AC power supply occurs rotating force to move the laundry wheel change laundry. Automatic wash off-line has a positive/rotary scrubbing function, motor m/rotary by the working method to select the circuit to control. Power supply for driving motor operation by V, U, w three-phase wire for 380V three-phase alternating current, working method selection circuit of the operating power supply is by a 0-wire and arbitrary one phase line for the 220V single-phase AC, so automatic washing off-line is the use of three-phase four-wire system power supply.

Automatic cleaning of the maintenance of the metal shell on the ground terminal is a wire with the earth, called the ground. Operating principle of motor driving circuit in Fig. 16-4, you, V, w indicate that the three-phase line of the 380V three-phase AC power supply is washed offline, and the voltage between each two-phase line is 380V. Three-phase alternating current will be three power cords, fuse FU: ~fu, Kh~k㈦ or K: one, ~k:. K, add to the three-phase motor m three leads a, B, C BU, start the motor m work, the unit moves the laundry wheel to rotate the laundry. For the motor to be used offline, the general requirement can change the direction of rotation. The principle of the rotation direction of the motor can be changed according to the input power of the AC motor, and the position of the two-phase line is set in Fig. 16-4. Three pairs of contact K ... ~k. One, and K: three pairs of contact K2_1~k:

One, automatic wash off-line to switch control. When K, three pairs of contacts are closed and K: three pairs of contacts are disconnected, the phase line U is connected with the motor leader A, Phase line V is connected with the motor lead B, and the phase line W is connected with the motor lead C, and the motor will rotate clockwise. When K. When the three pairs of contacts are disconnected and the K2 three pairs of contacts are closed, the phase line U is still connected with the motor leader A, the phase line V is connected with the motor lead C, the phase line W is connected with the motor lead B, in which the phase line V, the phase line W and the motor are interchanged, then the motor can be controlled counterclockwise. K, and K, action switching is done by working method to select the circuit to manipulate.