Modeling method of electromagnetic, temperature rise, mechanical and electronic coupling system based on hybrid excitation six-phase claw pole generator

Abstract

The present invention relates to the modeling method of temperature rise, electromagnetic, mechanical, electronic coupling system based on hybrid excitation six-phase claw pole generator, it is characterized in that, comprises the following steps: 1), establish stator voltage matrix equation and excitation coil according to electromagnetic characteristic Voltage equation; 2), establish stator voltage matrix equation according to system rectification characteristics; 3), establish electromagnetic torque equation and mechanical motion equation according to mechanical characteristics; 4), establish PWM duty cycle and excitation coil voltage according to system excitation current control characteristics Equation; 5), use the neural network to predict the heating time constant and steady-state temperature rise in the motor temperature rise state space expression; 6), take the temperature rise as the coupling link, correct the stator winding resistance and Excitation winding resistance parameters; 7), based on step 1) to step 6) to form a mathematical model of temperature rise, machinery, uncontrolled rectifier bridge, excitation current control and electromagnetic characteristic coupling. Its accuracy and reliability are high.

Description

technical field [0001] The invention relates to a claw pole generator system modeling technology, in particular to a modeling method of an electromagnetic, temperature rise, mechanical and electronic coupling system based on a hybrid excitation six-phase claw pole generator. Background technique [0002] As one of the main power sources of the car, the generator supplies power to the car electrical load and also supplies power to the battery. The claw pole generator has the advantages of simple manufacture, low cost, and high power generation efficiency, and is widely used in the automotive industry where low voltage and high current are required. The claw pole generator mainly has two structural forms: electric excitation and permanent magnet type. The electric excitation claw pole generator controls the internal air gap flux of the motor by adjusting the magnitude of the excitation current, and then realizes the constant output voltage of the generator during variable load...

AI Technical Summary

Problems solved by technology

Based on the hybrid excitation six-phase claw pole generator system involves temperature rise characteristics, electromagnetic characteristics, mechanical characteristics and electronic characteristics, and various characteristics have coupling effects, it is difficult to guarantee the accuracy and reliability of the mathematical model ignoring certain characteristics

At present, the hybrid excitation six-phase claw pole generator system still lacks an accurate mathematical model. Therefore, it is necessary to establish a mathematical model of its temperature rise, electromagnetic, mechanical, and electronic coupling systems. Fundamentals of Design for Analysis and Synthesis

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