Results 91 to 100 of about 3,905 (208)
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
doaj
DGFACTS comparative in wind power to solve LVRT requirements
RE&PQJThis article compares the results recorded in the connection of three types of DGFACTS (DSTATCOM, DVR, UPQC) to a wind farm equipped with wind turbines with squirrel-cage induction generators, in order to test the response to voltage dips due to single-phase short circuit and two phase short circuit, because this type of asymmetric faults is one of the
Gómez-Pérez, null +3 more
openaire +3 more sources
EnergiesDuring the fault period, a phase angle jump may occur at the stator or the point of common coupling, which will deteriorate the low-voltage ride-through (LVRT) characteristics of a doubly fed induction generator (DFIG). The existing LVRT studies focus on
Peiru Feng +5 more
doaj +1 more source
Speed-sensorless Control of DFIG in the Condition of LVRT
Kongzhi Yu Xinxi Jishu, 2016 It presented a speed-sensorless control method of DFIG to adapt to LVRT operation condition. Firstly, a DFIG vector control model based on stator coordinate and rotator coordinate was given, characteristics of rotor voltage in normal working condition ...
SHE Yue +3 more
doaj
How functional fitness relates to muscular power among older adults [PDF]
, 2014 The current study examined the relationship between functional fitness measures and muscular power among older adults. A 30-second chair stand test, 10-meter habitual walking test, and an 8-foot up-and-go test were all used as measures of functional ...
Moix, Jessica Mae
core +1 more source
Enhancing LVRT Capability of DFIG-Based Wind Turbine Systems with SMES Series in the Rotor Side
International Journal of Rotating Machinery, 2017 The necessary Low Voltage Ride Through (LVRT) capability is very important to wind turbines. This paper presents a method to enhance LVRT capability of doubly fed induction generators- (DFIGs-) based wind turbine systems with series superconducting ...
Xiao Zhou, Yuejin Tang, Jing Shi
doaj +1 more source
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
core
IET Renewable Power GenerationThe increase in wind power‐based microgrids emphasizes the importance of addressing stability challenges during low‐voltage ride‐through (LVRT) events in weak AC grid‐connected doubly fed induction generator systems.
Muhammad Zubair Yameen +5 more
doaj +1 more source
LVRT Strategy -based Multi-controller Switching for DFIG [PDF]
Proceedings of the 3rd Annual International Conference on Electronics, Electrical Engineering and Information Science (EEEIS 2017), 2017 Dan WANG, Cheng-Xiong MAO, Shi-Hong GAO
openaire +1 more source
Reactive Power Injection Strategies for Single-Phase Photovoltaic Systems Considering Grid Requirements [PDF]
, 2014 Blaabjerg, Frede +2 more
core +4 more sources