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Yan Gao - IEEE Xplore Author Profile
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Yan Gao

Publications
7
Citations
232
Publications by Year
20072012
Co-Authors:
Show All Co-Authors (9)
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Yan Gao

Affiliation

State Key Laboratory of Advanced Electromagnetic Engineering and Technology
Huazhong University of Science and Technology
Wuhan, China

Publication Topics

Biography

Yan Gao received the Ph.D. degree in electrical engineering from the Huazhong University of Science and Technology, Wuhan, China, in 2009.,Her research interests include modern signal processing and its applications in power systems.(Based on document published on 10 July 2012).
Publications
7
Citations
232
Publications by Year
20072012
Co-Authors:
Show All Co-Authors (9)
Author's Published Works

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Effective Overvoltage Source Identification Scheme for Machines Working in Parallel

Xiangning Lin;Feng Zhao;Yan Gao;Yue He;Hanli Weng;Zhiqian Bo

IEEE Transactions on Energy Conversion
Year: 2012 | Volume: 27, Issue: 4 | Journal Article |
Cited by: Papers (2)
A novel criterion for exactly identifying the machine leading to overvoltage of the common bus among the machines working in parallel is developed. Lose of selectivity of existing schemes in some cases is discussed. Correspondingly, an improved scheme is proposed. The change of nonload electromotive force (EMF) of generator is used to design a correction coefficient for the operation time characte...Show More

Effective Overvoltage Source Identification Scheme for Machines Working in Parallel

Xiangning Lin;Feng Zhao;Yan Gao;Yue He;Hanli Weng;Zhiqian Bo

Year: 2012 | Volume: 27, Issue: 4 | Journal Article |

Theoretical Fundamentals and Implementation of Novel Self-Adaptive Distance Protection Resistant to Power Swings

Xiangning Lin;Zhengtian Li;Shuohao Ke;Yan Gao

IEEE Transactions on Power Delivery
Year: 2010 | Volume: 25, Issue: 3 | Journal Article |
Cited by: Papers (58)
To deal with the maloperation of distance protection in the case of power swings, the criterion of “concentric circle” was widely used. This criterion is implemented based on the time difference that the apparent impedance locus passes through boundaries of these two impedance circles. In many cases (e.g., a very fast power swing), it will fail to block. Actually, with regard to different moving l...Show More

Theoretical Fundamentals and Implementation of Novel Self-Adaptive Distance Protection Resistant to Power Swings

Xiangning Lin;Zhengtian Li;Shuohao Ke;Yan Gao

Year: 2010 | Volume: 25, Issue: 3 | Journal Article |

Novel Identification Method of Stator Single Phase-to-Ground Fault for Cable-Wound Generators

Yan Gao;Xiangning Lin;Qing Tian;Pei Liu

IEEE Transactions on Energy Conversion
Year: 2008 | Volume: 23, Issue: 2 | Journal Article |
A new criterion to detect the stator single phase-to-ground fault for Powerformer is proposed in this paper, which is based on the direction of zero-sequence compositive power flow. By virtue of the analysis of new fault characteristics of Powerformer and the comparison with conventional methods, a novel identification scheme is put forward. The proposed approach detects the ground fault by analyz...Show More

Novel Identification Method of Stator Single Phase-to-Ground Fault for Cable-Wound Generators

Yan Gao;Xiangning Lin;Qing Tian;Pei Liu

Year: 2008 | Volume: 23, Issue: 2 | Journal Article |

A Novel Scheme to Identify Symmetrical Faults Occurring During Power Swings

Xiangning Lin;Yan Gao;Pei Liu

IEEE Transactions on Power Delivery
Year: 2008 | Volume: 23, Issue: 1 | Journal Article |
Cited by: Papers (136)
A novel, fast unblocking scheme for distance protection to identify symmetrical faults occurring during power swings has been proposed in this paper. First of all, the change rate of three-phase active power and reactive power being the cosine function and the sine function with respect to the phase difference between the two power systems during power swings has been demonstrated. In this case, t...Show More

A Novel Scheme to Identify Symmetrical Faults Occurring During Power Swings

Xiangning Lin;Yan Gao;Pei Liu

Year: 2008 | Volume: 23, Issue: 1 | Journal Article |

A New Overvoltage Protection for Powerformer Based on the Variety of Reactive Power

Yan Gao;Xiangning Lin;Pei Liu;Zhiqian Bo

2007 IEEE Power Engineering Society General Meeting
Year: 2007 | Conference Paper |
Cited by: Papers (2)
Based on the analysis of the relationship between the terminal voltages and the reactive power of a generator, the shortcomings of the available scheme to protect generators in parallel from overvoltage have been pointed out, and a novel overvoltage protection scheme is put forward. For machines connected directly to busbars, especially for powerformers, a novel type of high voltage generators, th...Show More

A New Overvoltage Protection for Powerformer Based on the Variety of Reactive Power

Yan Gao;Xiangning Lin;Pei Liu;Zhiqian Bo

Year: 2007 | Conference Paper |

A Generalized Morphological Transform Based Faulty Feeder Selector Suitable for the Non-Effectively Grounded Power Systems

Yan Gao;Xiangning Lin;Pei Liu;Zhiqian Bo

2007 IEEE Power Engineering Society General Meeting
Year: 2007 | Conference Paper |
Cited by: Papers (6)
Single phase-to-ground faults are the most frequent faults likely to occur in power distribution networks. The fault current of the faulty feeder is quite low when a single-phase earth fault occurs on a neutral non-effectively grounded grid. As for the safety of the system, such faults should be quickly distinguished and the faulty feeder should be correctly selected as well. This paper analyses t...Show More

A Generalized Morphological Transform Based Faulty Feeder Selector Suitable for the Non-Effectively Grounded Power Systems

Yan Gao;Xiangning Lin;Pei Liu;Zhiqian Bo

Year: 2007 | Conference Paper |

Studies on the Internal Fault Simulations of a High-Voltage Cable-Wound Generator

Xiangning Lin;Qing Tian;Yan Gao;Pei Liu

IEEE Transactions on Energy Conversion
Year: 2007 | Volume: 22, Issue: 2 | Journal Article |
Cited by: Papers (16)
This paper discusses the set up of a mathematical model of the powerformer, a new type of salient-pole synchronous machine, for analyzing internal phase and ground faults in stator windings. The method employs a direct-phase representation considering the cable capacitance. To effectively implement the internal fault simulation, the magnetic axis locations of fault parts are arranged appropriately...Show More

Studies on the Internal Fault Simulations of a High-Voltage Cable-Wound Generator

Xiangning Lin;Qing Tian;Yan Gao;Pei Liu

Year: 2007 | Volume: 22, Issue: 2 | Journal Article |

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