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Tiyin Li - IEEE Xplore Author Profile

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On-load voltage regulation transformer is one of the effective measures to control the low voltage problem in distribution network. Traditional mechanical load switches have exposed many shortcomings in the continuous development of the power system. This paper proposes a structure of load switch based on the high power IGBT, and shows its hardware circuit design of the execution structure. The sc...Show More
Current distribution network fault location system has a weak fault tolerance. When the information uploaded by FTU is wrong, the misjudgment will often appear. The ant colony algorithm has strong robustness, and it can solve the combinatorial optimization problems better, like distribution network fault location. This paper proposes a fault location method of error correction based on ant colony ...Show More
Error forecasting for electric energy measurement equipment is the foundation of its operation condition forecasting and fault early warning. This paper proposes a kind of forecasting model and algorithm for electric energy metering error based on intrinsic time-scale decomposition (ITD) and time series analysis. Error is decomposed into a steady baseline component and multiple rotation components...Show More
Power cable incipient faults are single phase short circuits with short duration and little effect on system operation primarily, so detection of incipient faults is needed to keep them from developing into permanent faults. The over-current characteristics caused by different disturbances are compared and the over-currents characteristic quantities are extracted by multi-scale wavelet transform. ...Show More