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A novel fault diagnostic method in power converters for wind power generation system
Applied Energy, 2020Abstract In order to decrease the downtime, enhance maintenance efficiency, and reduce the management cost of the wind power system, fault diagnosis technologies are considered as powerful tools for its good operation and maintenance. For example, high fault diagnosis accuracy can ensure effective fault-tolerant control and improve the durability of ...
Jinping Liang +3 more
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PLL algorithm for power generation systems robust to grid voltage faults
2006 37th IEEE Power Electronics Specialists Conference, 2006In the case of unbalanced grid faults, one of the main problems for the Distributed Power Generation Systems (DPGSs) controller is the second harmonic ripple in the control, consequence of the phase unbalance caused by the fault. The second harmonic propagates into different sections of the controller and can have a negative influence on the controller
Adrian V. Timbus +4 more
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Distributed fault-tolerant control for a large-scale power generator network
2015 American Control Conference (ACC), 2015This paper studies a distributed fault-tolerant control (DFTC) problem for a multi-agent system modeling a large-scale power generator network. The objective is to enable all the agents to achieve the control goal of asymptotic stability without losing the system tracking performance while coordinately identifying the unknown input including nonlinear ...
Zhi Feng, Guoqiang Hu 0001
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Power Optimization of Steam Generators Under Fault Conditions
2017Under fault conditions, it is important maintain the safety of nuclear power plant. Meanwhile, it is also necessary to generate its maximum power output, especially for small modular reactors, to improve the economy. The helical-coiled once-through steam generator of IRIS is chosen as a research object.
Huasong Cao, Peiwei Sun, Jianmin Zhang
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Test Generation of Path Delay Faults Induced by Defects in Power TSV
2013 22nd Asian Test Symposium, 2013This paper presents a novel test generation technique for defective power TSV induced path delay faults in 3D IC. This paper provides a simple close-form analysis to show that, in a regular 3D power grid model, open defects in power TSV do not induce serious IR drop.
Chi-Jih Shih +5 more
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A Fault Detection Device for Wind Power Generator Based on Wireless Transmission
2018In the light of the fact that the detection data is small, the fault diagnosis of the wind turbine often occurs. A multi-channel data acquisition based on wireless transmission wind turbine fault monitoring device is presented in this paper. The system used sensors to collect fan status data, and processes the signals by 32 bit digital signal processor
Guanqi Zhang +3 more
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Open Phase Faults in the Start-up Power Supply System of a Nuclear Power Generating Station
2019 6th International Advanced Research Workshop on Transformers (ARWtr), 2019This paper investigates whether existing protection schemes would detect an open phase fault in the start-up power supply system of a 1092 MW Spanish nuclear power generating station. This investigation follows to the 2012 event at unit 2 of Byron station, Illinois, USA. Symmetrical components method is proposed to draw fundamental conclusions.
Rouco Rodríguez, Luis +2 more
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Low Power Test Generation for Path Delay Faults
Journal of Low Power Electronics, 2005Mahilchi Milir Vaseekar Kumar +1 more
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Condition Monitoring and Fault Diagnosis for Electric Power Generators
2016The chapter analyzes condition monitoring and fault diagnosis for electric power generators with the following approaches: (i) fault diagnosis in the time domain for distributed interlinked synchronous generators and with the use of the local statistical approach to fault diagnosis, (ii) fault diagnosis for asynchronous generators and with the use of ...
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