PI-based controller for low-power distributed inverters to maximise reactive current injection while avoiding over voltage during voltage sags [PDF]
, 2018 This paper is a postprint of a paper submitted to and accepted for publication in IET Power Electronics and is subject to Institution of Engineering and Technology Copyright.
Camacho Santiago, Antonio +4 more
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Research on HIL-based HVRT and LVRT automated test system for photovoltaic inverters
Energy Reports, 2021 As an important capability of the photovoltaic grid-connected inverter, high voltage ride-through (HVRT) and low voltage ride-through (LVRT) capability are related to the stability of the whole power grid system.
Fei Li +3 more
doaj +1 more source
A Shadow Price Approach to Technical Efficiency Measurement. [PDF]
The axiomatic literature on technical efficiency measurement has drawn attention to the indication problem of the Debreu-Farrell (DF) measure. We follow a shadow price approach to preserve the DF benchmark while reconciling it with the Koopmans ...
Laurens CHERCHYE, Tom VAN PUYENBROECK
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Equivalent Modeling of LVRT Characteristics for Centralized DFIG Wind Farms Based on PSO and DBSCAN
Energies, 2023 As large-scale wind turbines are connected to the grid, modeling studies of wind farms are essential to the power system dynamic research. Due to the large number of wind turbines in the wind farm, detailed modeling of each wind turbine leads to high ...
Ning Zhou +5 more
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Zhongguo dianli, 2022 In terms of the problem that the grid-connected photovoltaic DC system is unstable during low voltage ride through (LVRT), an improved double-side voltage control strategy is proposed.
Fei XUE +3 more
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Simulation Study on Low Voltage Ride-through Capability of Wind Farms With Different Units
发电技术, 2020 The simulation platform of wind farms with fixed speed induction wind turbines and doubly-fed induction wind turbines connected to the power grid was built in the electromagnetic transient simulation software PSCAD/EMTDC.
Yue ZHU, Junmin SHA, Jing ZHAO
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Performance Improvement of Single-Phase Transformerless Grid-Connected PV Inverters Regarding Common-Mode Voltage (CMV) and LVRT [PDF]
Journal of Operation and Automation in Power Engineering, 2019 The single-phase transformerless grid-connected photovoltaic (PV) systems, mainly the low-power single-phase systems, require high efficiency, small size, lightweight, and low-cost grid-connected inverters.
M. Farhadi-Kangarlu, F. Mohammadi
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Review of low voltage ride-through technology of doubly-fed induction generator
The Journal of Engineering, 2019 In recent years, with the increasing of wind power development, the demand for low voltage ride-through (LVRT) technology was proposed to ensure the safe and reliable operation of the power system.
Lele Niu +4 more
doaj +1 more source
Control of wind energy conversion systems based on the Modular Multilevel Matrix converter [PDF]
, 2017 The nominal power of single Wind Energy Conversion Systems (WECS) has been steadily growing, reaching power ratings close to 10MW. In the power conversion stage, medium-voltage power converters are replacing the conventional low-voltage back-to-back ...
Cardenas, Roberto +6 more
core +2 more sources
ENHANCING LOW VOLTAGE RIDE THROUGH CAPABILITY IN UTILITY GRID CONNECTED SINGLE PHASE SOLAR PHOTOVOLTAIC SYSTEM [PDF]
Journal of Engineering Science and Technology, 2018 The steady rise in utility grid penetration of single phase solar photovoltaic system has contributed to the mandatory requirement of Low Voltage Ridethrough (LVRT) capability. LVRT capability provides stable grid integration during transient conditions.
RINI ANN JERIN A. +3 more
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