![]() The quadruplex winding redundancy requires four three phase windings in four quadrants of the motor. 4.2 24 SLOTS 8 POLES CONFIGURATION The permanent magnet brushless dc motor has three phase star connected winding. However, a star connection is generally used unless special motors are used. The quadruplex armature winding pattern and triplex Hall sensor assembly pattern is given. The connection type to be employed depends on the operating voltage and how the motor is to be used. 2.28 Achieving the same energized state as that established in a delta connection using a star connection A Study on Distributed and Concentric Winding of Permanent Magnet Brushless AC Motor Jun-Kyu Kang1, Hong-Sik Lim2, Ki-Chan Kim3 1Dept. It shows the switching method for applying the same current as that for the delta connection in Fig. The bundled portion of the coils in a star connection is called a neutral point or a common point.Ĭurrent to each coil in a star connection can be controlled, but the switch is turned ON and OFF a little differently.įig. This method is called a Y connection or a star connection. The other method is to connect three coils, U, V, and W, in a block. ![]() This method is called a Δ (delta) connection. Though, the smaller sizes use less complex to build concentrated windings with salient poles. One method is to connect the coils in a loop as we compared it with the rotor winding of DC motors in Fig. ![]() Two connection methods are used for brushless DC motors. ![]() Next, an explanation of the coil connection method used in brushless DC motors. ![]()
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