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繁體中文News Advisory
How to connect the three-phase AC fan star delta?
02/29/2024In the case of the R4D500-RA03-01, for example, there are nine fan outlet wires. Except for the white and yellow-green ground wires for thermal overload protection, the remaining 6 are the lead wires from the motor's three-phase windings (U1, U2, V1, V2, W1, W2). They are clearly drawn, as in the wiring diagram in the specification for this fan.
The first diagram shows delta wiring, the second shows star wiring, and the table below explains the wiring for each color.
Let's take a look at the star connection: the star connection is to connect one end of the motor three-phase winding together, and the other end is connected to the three-phase power supply. We find three wires U2 V2 W2, the corresponding colors are green, white and yellow, and then connect them together, the other end of the U1 V1 W1 and three-phase power supply L1 L2 L3 one by one connection.
Next, we will demonstrate the angular connection, triangular connection is to connect the three-phase winding end to end. As shown in the figure, U2 is connected to V1, V2 is connected to W1, W2 is connected to U1, and then the three-phase power supply is connected to each of the three connections, so it is connected.
