Analysis of the Fault Property of the Sensors in H-Bridge Converter

Analysis of the Fault Property of the Sensors in H-Bridge Converter

Xiaodong Yang Wenyong Duan  Jiangang Wang  Guowen Hu 

School of Electrical Engineering, Yancheng Institute of Technology, Yancheng 224001, China

School of Electrical Engineering, Yancheng Institute of Technology, Yancheng 224001, China

Corresponding Author Email: 
24661883@qq.com
Page: 
181-192
|
DOI: 
https://doi.org/10.18280/mmc_a.900205
Received: 
10 May 2017
|
Accepted: 
5 June 2017
|
Published: 
30 June 2017
| Citation

OPEN ACCESS

Abstract: 

Taking the various sensors in the H-bridge converter as the research object, this paper makes a characteristic analysis of their disconnection fault. First, the MATLAB simulation model for 8 cascaded H-bridge converters is established in the paper; then, the disconnection faults of the capacitance voltage sensor, system voltage sensor, load current sensor and output circuit sensor are simulated herein respectively; at last, the impact of disconnection fault of different sensors on the key parameters of the system is analyzed. The analysis results show that the disconnection faults of the system voltage sensor and the output circuit sensor have a relatively large impact on the system’s key parameters. Therefore, certain measures must be taken to prevent the disconnection fault.

Keywords: 

h-bridge converter, sensor fault, fault property.

1. Introduction
2. Simulation Model
3. Classification of the Sensor Faults
4. Faults Analysis of the Fault of Capacitance Voltage Sensor
5. Analysis of the Fault of the System Voltage Sensor
6. Analysis of the Fault of the Load Current Sensor
7. Analysis of the Fault of the Output Current Sensor
8. Conclusion
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