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How to fix amplifier relay?

Protective relay

Fault (power engineering)

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Journal Article•DOI A digital distance relay using negative sequence current Y. Ohura, T. Matsuda, M. Suzuki, F. Andow, Y. Kurosawa, A. Takeuchi - Show less +5 more 01 Jan 1990-IEEE Transactions on Power Delivery	This in turn makes the relay sensitive to the effects of load current.
Journal Article•DOI Design, implementation and testing of a microprocessor-based high-speed relay for detecting transformer winding faults T.S. Sidhu, M.S. Sachdev, H.C. Wood, M. Nagpal - Show less +3 more 01 Jan 1992-IEEE Transactions on Power Delivery 86 Citations	The results show that the relay performs well.
Open access•Journal Article•DOI Relay selection in cooperative power line communication: A multi-armed bandit approach Babak Nikfar, A. J. Han Vinck - Show less +1 more 10 Mar 2017-Journal of Communications and Networks 42 Citations	The relay selection problemcan be solved by having channel state information (CSI) at transmitter and selecting the relay which results in the best perfor- mance.
Journal Article•DOI Interference Channel With a Causal Relay Under Strong and Very Strong Interference Hyunseok Chang, Sae-Young Chung, Saejoon Kim - Show less +2 more 01 Feb 2014-IEEE Transactions on Information Theory 19 Citations	Our result extends the previous result by El Gamal, Hassanpour, and Mammen on the optimality of instantaneous AF relaying for the Gaussian relay channel with a causal relay to that of the Gaussian interference channel with a causal relay under strong and very strong interference.
Journal Article•DOI Optimal Scheduling and Beamforming in Relay Networks With Energy Harvesting Constraints Shimin Gong, Lingjie Duan, Natarajan Gautam - Show less +2 more 01 Feb 2016-IEEE Transactions on Wireless Communications 38 Citations	Considering different channel conditions and energy constraints, the relays need to optimally design a beamforming vector that specifies each relay a power amplifier coefficient to forward the source signal and suppress the noise.
Proceedings Article•DOI Relay-aided interference alignment for the X channel with limited CSI Ye Tian, Aylin Yener - Show less +1 more 01 Apr 2012	For the case with perfect CSI at the relay, relay only needs to have 1 antenna, and can perform beamforming with the sources to facilitate interference alignment using the proposed scheme.
Proceedings Article•DOI Improving Real-time Fault Analysis and Validating Relay Operations to Prevent or Mitigate Cascading Blackouts Nan Zhang, Mladen Kezunovic - Show less +1 more 21 May 2006 32 Citations	The fault analysis tool provides a reference for conventional distance relay with its better performance and the relay monitoring tool provides detailed local information about the disturbances.
Proceedings Article•DOI A PWM current amplifier for testing protective relay K.S. Ling, Aniruddha M. Gole, P.G. McLaren, R. Wachal - Show less +3 more 07 Aug 2002	This paper describes a feasible design approach for the current amplifier utilizing a PWM (pulse width modulated) switching method With the use of a double hysteresis band control scheme and an active compensation technique, it is demonstrated that a highly efficient switching amplifier with a good quality output waveform can be developed This can be a promising replacement for a conventional analog current amplifier used in the applications of relay testing.
Proceedings Article•DOI Research on the relay protection system for a small laboratory-scale microgrid system Xiao-ping Wang, Yang Li, Yong-yang Yu - Show less +2 more 21 Jun 2011 34 Citations	So the traditional relay no longer works.
Proceedings Article•DOI Relay technology for multi-carrier systems: A research overview Ping Guo, Yankun Bai, Zhengxiang Ma, Sijin Wu, Shuping Dang - Show less +4 more 01 Feb 2015 19 Citations	Relay technology is an effective and efficient physical layer solution to the recent challenges in telecommunication.
Journal Article•DOI Four-Terminal Relay Design for Improved Body Effect Jaeseok Jeon, Rhesa Nathanael, Vincent Pott, Tiehui Liu - Show less +3 more 22 Mar 2010-IEEE Electron Device Letters 22 Citations	In this letter, an improved 4T relay design is demonstrated to resolve these issues.
Journal Article•DOI Fault component reactance relay Shengshi Zhu, Yibao Xing, Fenghai Sui - Show less +2 more 01 Jul 1996-IEEE Transactions on Power Delivery 18 Citations	So, it is a fault component reactance relay.
Proceedings Article•DOI Relay-Assisted MIMO Multiuser Precoding in Fixed Relay Networks Jiang Yu, Danpu Liu, Changchuan Yin, Guangxin Yue - Show less +3 more 08 Oct 2007	Our simulation results show that fixed relay offers significant gain.
Proceedings Article•DOI Joint interference coordination and relay cell expansion in LTE-Advanced networks Zhe Ren, Abdallah Bou Saleh, Omer Bulakci, Simone Redana, Bernhard Raaf, Jyri Hamalainen - Show less +5 more 01 Apr 2012	confirm that the interference imposed by relay nodes can be reduced.
Proceedings Article•DOI Detecting relay attacks in RFID systems using physical layer characteristics S. Tmar-Ben Hamida, Pierre-Henri Thevenon, Jean-Benoit Pierrot, Olivier Savry, Claude Castelluccia - Show less +4 more 23 Apr 2013	This paper proposes a novel approach to defend against amplify and forward relay attacks.
Proceedings Article•DOI Fault position relay based on current travelling waves and wavelets Dong Xinzhou, Ge Yaozhong, Xu Bingyin - Show less +2 more 23 Jan 2000 36 Citations	The relay is been proved correct and effective.
Journal Article•DOI Feasibility Conditions for Interference Neutralization in Relay-Aided Interference Channel Dan Wu, Chenyang Yang, Tingting Liu, Zixiang Xiong - Show less +3 more 01 Mar 2014-IEEE Transactions on Signal Processing	Our proof sheds lights on how to use the relay resources to neutralize the interference in an efficient way.

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