Browse Publications Technical Papers 2010-01-0489
2010-04-12

One Phase Machine with DC Stator Excitation 2010-01-0489

In the report, a new version of machine with DC stator excitation is discussed. A brushless one phase electrical machine has a very simple design. Rotor has no windings. In generator mode operation, stator has one winding for DC stator excitation and one output winding. In motor mode operation, there is only one sensor of rotor position and one phase H-bridge inverter. One phase machine is symmetrical. Like in dc machines, it is possible to realize here: shunt, series, and separate excitation. In motor mode, the speed control is possible by vary armature (output winding) voltage, varying current excitation, and varying resistance in armature circuit. Simplicity construction and flexibility control opportunities can find for this machine wide application in vehicles. Motor, with series excitation, leads a torque-speed characteristic that is useful for transport power circuit applications. One phase machine is the basic for design of two and three phase machines. The basic principle operation of one phase machine with dc stator excitation is discussed in the report. The power electronic circuit and sensor position circuits are described also. The prototype one phase machine is implemented. The experimental results confirm speed motor control opportunities and simplicity design of the one phase machine with dc stator excitation

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