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Research on the Technology of Low Voltage Ride-through for Grid-connected Photovoltaic Inverter
Kongzhi Yu Xinxi Jishu, 2013 It analyzes the current commonly used LVRT (low voltage ride-through) solutions, presents a new LVRT SPLL (software phase locked loop) technique which is simpler and faster, and designs a grid-connected PV (photovoltaic) inverter based on the SPLL ...
WANG Nan, CHEN Yifeng, WU Hengliang
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Ain Shams Engineering JournalThis paper aims to investigate the improvement of the low voltage ride-through (LVRT) in grid-connected photovoltaic (PV) systems by applying the Gold Rush Optimization (GRO) algorithm to design system PI controllers.
Yasmin GH. Mousa +5 more
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IEEE Access, 2019 In this paper, a novel low voltage ride-through (LVRT) technique for three-phase grid-connected inverters is proposed. The proposed technique consists of two parts: a nonlinear phase locked loop based on complex-coefficient filters (NLCCF-PLL) and an ...
Guangyu Sun +4 more
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Stability enhancement of a hybrid micro-grid system in grid fault condition [PDF]
, 2012 Low voltage ride through capability augmentation of a hybrid micro-grid system is presented in this paper which reflects enhanced reliability in the system. The control scheme involves parallel connected multiple ac-dc bidirectional converters.
15th International Conference on Electrical Machines and Systems, ICEMS 2012 +4 more
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Low Voltage Ride-through in DFIG Wind Generators by Controlling the Rotor Current without Crowbars [PDF]
, 2014 Among all the different types of electric wind generators, those that are based on doubly fed induction generators, or DFIG technology, are the most vulnerable to grid faults such as voltage sags.
Fernández Rodríguez, Adrián +3 more
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Engineering Science and Technology, an International Journal, 2019 The static var compensator (SVC) has widespread applications in voltage regulation and stability improvement of power systems. This paper studies the SVC performance in a single machine (doubly-fed induction generator (DFIG) employed in a wind farm ...
Hamid Rezaie +1 more
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Effect of doubly fed induction generatortidal current turbines on stability of a distribution grid under unbalanced voltage conditions [PDF]
, 2017 This paper analyses the effects of doubly fed induction generator (DFIG) tidal current turbines on a distribution grid under unbalanced voltage conditions of the grid.
Huang, Bin +5 more
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Protection of AC and DC Microgrids: Challenges, Solutions and Future Trends [PDF]
, 2015 In future, distributed energy resources (RESs) will be utilized at consumption points. As a consequence, power flow and fault current would be bidirectional and topologydependent; and hence the conventional protection strategies would be inefficient ...
Beheshtaein, Siavash +3 more
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Improved Segmented Control Strategy for Continuous Fault Ride-Through of Doubly-Fed Wind Turbines
EnergiesAiming at the transient overcurrent problem faced by doubly-fed induction generators (DFIGs) during continuous voltage fault ride-through, a segmented control strategy based on the rotor side converter (RSC) is proposed.
Tie Chen +4 more
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电力工程技术The all-DC system of onshore wind power can effectively solve the problems of harmonic resonance and reactive power transmission，which is the development direction of wind power generation system. The all-DC system of onshore wind power has a low-voltage
Xunzhe CAO +3 more
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