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Study on the variable side - deep fertilization control system for rice based on soil electrical conductivity. [PDF]
Front Plant SciXie L +5 more
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Artificial intelligent fuzzy control and LAPO algorithm for enhancement LVRT and power quality of grid connected PV/wind hybrid systems. [PDF]
Sci RepEl Sayed NG +5 more
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Low voltage fault ride through control in MMC-HVDC
2017 IEEE 26th International Symposium on Industrial Electronics (ISIE), 2017Modular multilevel converters (MMCs) are the latest converter topology for the high voltage high power applications like the high voltage dc (HVDC) transmission. This paper presents the response of an MMC-HVDC converter during grid faults. Recent grid code requirements specify reactive current injection during low voltage fault conditions and negative ...
Chaudhary, Sanjay +3 more
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Mode switching DFIG for low voltage ride through
8th International Conference on Power Electronics - ECCE Asia, 2011With the rapid development of world-wide wind energy generation using doubly fed induction generations (DFIGs), low voltage ride through (LVRT) has become a great concern. This paper focuses on a unique topology of DFIG called IG connection mode to help the DFIG ride through grid faults smoothly.
Wei, Feng, Vilathgamuwa, Don
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Low Voltage Ride Through Characteristics of Grid Forming inverters
2020 21st International Scientific Conference on Electric Power Engineering (EPE), 2020With the certainty of the high share of power electronics in power grid, algorithms for various grid forming inverters have emerged in academia. Due to the grid synchronization strategy of the grid forming inverter is completely different from the current grid following inverters, its dynamic characteristics during grid faults are also different.
Ziqian Zhang +4 more
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Comparison of some low voltage ride-through strategies
IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society, 2017PV system integration with power grid has many challenges. One of these challenges, the disconnection of PV inverters from the grid under grid faults; these disconnections lead to a stability problem in larger scale of PV power plant. This paper is focused on the comparison of some Low voltage ride-through strategies.
Elshiekh K. Mohammedsaeed, Ke Jia
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Low-Voltage-Ride-Through-Assistenzsystem für dezentrale Erzeugungseinheiten
e & i Elektrotechnik und Informationstechnik, 2014Wahrend eines Kurzschlusses im Netz nahe einem Synchrongenerator kommt es aufgrund einer verminderten Leistungsabgabe wahrend des Fehlers zu einer Beschleunigung des Rotors. Dies kann zu unerwunscht hohen Polradpendelungen bis hin zum Verlust des Synchronismus des Generators fuhren.
Norbert Essl, Herwig Renner
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Low voltage ride through(LVRT) research of DFIG
2013 25th Chinese Control and Decision Conference (CCDC), 2013Nowadays Doubly Fed Induction Generator (DFIG) is used in variable speed wind power plants extensively. Doubly fed induction generator (DFIG) has many advantages such as low cost, reduced losses with an improved efficiency, variable speed operation and improved active and reactive power control capabilities.
Li Lianbing, Zhang Peng
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Low-voltage ride-through simulation for microgrid systems
2017 IEEE International Conference on Electro Information Technology (EIT), 2017In contrast to the previous generation of power grid codes, recent standards require that distributed energy resources (DERs) provide low-voltage ride-through (LVRT) capabilities during grid faults. Consequently, the high penetration of DERs in today's power system requires an efficient method of controlling the active and reactive power of those ...
Elham Foruzan +2 more
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