Results 21 to 30 of about 16,793 (159)
Design of wind power grid-connected monitoring system based on DSP data collection
Nantong Daxue xuebao. Ziran kexue ban, 2022 Distributed new energy power generation is highly valued for avoiding energy consumption caused by long distance transmission. As a grid-accessed supporting product, grid-connected controllers enjoy a large market demand.Based on the grid-accessed ...
ZHU Jianhong, GU Juping, REN Haofeng, CHEN Zeyu
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Nihon Kikai Gakkai ronbunshu, 2014 This paper proposes a feedforward controller for active suppression of contact force fluctuation between a pantograph and overhead contact line of a high-speed railway vehicle, assuming the use of a pneumatic actuator with low response speed.
Arata MASUDA +5 more
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A high performance grid synchronization method for renewable energy grid-connected applications
Energy Reports, 2021 Aiming at the problem of insufficient harmonic suppression capability for distributed renewable energy grid-connected application equipments, an efficient grid synchronous phase-locked loop(PLL) which will suppress harmonics is proposed. Firstly, a novel
Nanmu Hui, Haixiang Xu, Yingying Feng
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Understanding of the Coherent Demodulation with Phase-Locked Loop
MATEC Web of Conferences, 2018 The phase-locked loop (PLL) technology is a very important technology in the communication field. With the development of electronic technology toward digitalization, the phase-locked processing of signal needs to be realized in digital way.
Zhai Bingcong
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Sensorless control strategy of interior permanent magnet synchronous motor
Gong-kuang zidonghua, 2019 To improve steady-state and dynamic performance of sensorless control of permanent magnet synchronous motor with medium and high speed, and solve the problem that traditional quadrature phase-locked loop can not operate effectively when the motor is ...
GU Mingyue, LIU Ya
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Vojnotehnički Glasnik, 1996 The problem of simple periodic interference suppression in DS-SS (Direct Sequence Spread Spectrum) systems is considered. It can be solved using the method of phase-locked loop, transverse filters and adaptive arrays.
Ivan Miletić
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Discrete Phase-Locked Loop Systems and Spreadsheets
Spreadsheets in Education, 2005 This paper demonstrates the use of a spreadsheet in exploring non-linear difference equations that describe digital control systems used in radio engineering, communication and computer architecture. These systems, being the focus of intensive studies of
Sergei Abramovich +3 more
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Research and Application of a Parameter Adaptive Enhanced Single-phase Phase-locked Loop
Kongzhi Yu Xinxi Jishu, 2021 In a railway traction power supply system, there are problems of network voltage distortion such as frequency / phase mutation, amplitude drop, harmonic pollution and so on.
CHEN Xin, HU Jingyu, PENG Yun, FU Gang
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A Practicable Optoelectronic Oscillator with Ultra-Low Phase Noise
PhotonicsIn this paper, an optoelectronic oscillator (OEO) with ultra-low phase noise and high stability based on the injection-locked and phase-locked loop is proposed.
Ziyue Zheng +6 more
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Sučasnì Informacìjnì Tehnologìï u Sferì Bezpeki ta Oboroni, 2015 In the article presented results analysis principles construction the system phase - locked loop (PLL) is on the example the tracker system. Dependences amplification the system, meansquared error and quadratic integral estimation transients the system ...
Yevhen V. Lebid
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