Abstract
The DC600V electricity supply device plays an important role in locomotive. In this device, the main circuit is one kind of single-phase full-bridge half-controlled rectifier circuit. In this paper, first of all, we analyze the theory of main circuit. Secondly, accurate model is built through MATLAB/Simulink. We obtain the waveform of key parameters and harmonic analysis. The results of simulation waveforms show that the model is correct. It is proved that the built model flexible, convenient and intuitive. Meanwhile, it can be used for further fault detection and analysis.
Highlights
The DC600V electricity supply device, which provides various electrical devices on passenger train with electric energy, plays an important role in HXD locomotive
The working condition of electricity supply device has direct influence on electricity consumption of passenger train and the reliability of device is of great importance
The main circuit of the device is a kind of single-phase full-bridge half-controlled rectifier circuits
Summary
The DC600V electricity supply device, which provides various electrical devices on passenger train with electric energy, plays an important role in HXD locomotive. The working condition of electricity supply device has direct influence on electricity consumption of passenger train and the reliability of device is of great importance. Such power electric device, which works under condition of high-power and heavy load, suffer from structure faults or parameter faults frequently. We have analyzed the key components of the device and simulated main circuit with accurate parameters, which consists of load of resistance and inductance. We contribute the model of main circuit and simulate kinds of condition of circuit with MATLAB.
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