Results 241 to 250 of about 265,688 (306)

SIGULS: Signal generator for user-specified laboratory signals. [PDF]

HardwareX
Pérez Paz A, Zobel OM, Rixen DJ.
europepmc   +1 more source

Experimental validation of an adaptive fuzzy logic controller for MPPT of grid connected PV system. [PDF]

Sci Rep
Elnaghi BE, Ismaiel AM, Ismail MM, Zedan HA, Salem AA.   +4 more
europepmc   +1 more source

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Zero-Sequence Current Suppression Method for Fault-Tolerant OW-PMSM Drive With Asymmetric Zero-Sequence Voltage Injection

IEEE Transactions on Industrial Electronics, 2023
Chong Zhang, Chun Gan, Kai Ni
exaly   +2 more sources

Optimization of zero-sequence voltage compensation for zero-sequence directional elements

Electric Power Systems Research, 2021
Abstract Compensating zero-sequence voltage measured is an effective measure to improve the sensitivity of zero-sequence directional overcurrent protections. However, when applied to double circuit power supply system, it may lead to misjudgment of zero-sequence directional elements.
Hao Xu, Chaoyong YIN, Guoqin DONG, Shannuo WANG, Liqiang XU, Fan OUYANG, Weijun ZHU   +6 more
openaire   +1 more source

Flux-Weakening Control for Variable Flux Reluctance Machine Excited by Zero-Sequence Current Considering Zero-Sequence Resistive Voltage Drop

IEEE Transactions on Energy Conversion, 2021
In the control of variable flux reluctance machine (VFRM) excited by zero-sequence current, neglecting the zero-sequence resistive voltage drop would cause a large calculation deviation of the stator voltage, which can saturate the inverter and influence the switching from constant torque region to flux-weakening region.
Jiaqiang Guo, Xu Liu, ShanHu Li
exaly   +2 more sources

Signal processing of zero sequence voltage technique

2007 European Conference on Power Electronics and Applications, 2007
This paper deals with the implementation of the zero sequence voltage (ZSV) technique [4,7], which was exploited to determine the rotor position of the surface permanent magnet synchronous motor (SMPMSM). The method is based on the zero sequence voltage measurement, performed between the neutral point of AC machines and the mid-point of the inverter DC
STULRAJTER, M, SCELBA, G, C, CARUANA, VITTEK,J   +3 more
openaire   +1 more source

Lessening zero sequence effects in dynamic voltage restorers

APCCAS 2008 - 2008 IEEE Asia Pacific Conference on Circuits and Systems, 2008
This paper puts forward an analysis of the effects of zero sequence components on power devices in particularly on the dynamic voltage restorer (DVR) and gives simulation results. It is shown that four-wire DVR do better then the traditional three-wire DVR, unbalance voltage and zero sequence components can be lessened by four-wire DVR effectively ...
Zhi Zhang, Zhongdong Yin, Changyin Zhang, Weidong Shang, Zhonghua Huang   +4 more
openaire   +1 more source

Managing zero sequence in voltage source converter

Conference Record of the 2002 IEEE Industry Applications Conference. 37th IAS Annual Meeting (Cat. No.02CH37344), 2003
The 3-phase bridge voltage-source converter (VSC) which has been and continues to be the work-horse of variable-speed AC-motor drives is making penetration into the electric utility environment. In the electric utility environment, there is a greater emphasis on: (i) grounding and (ii) the need of the VSC to survive all conceivable faults.
null Lianxiang Tang, null Boon-Teck Ooi
openaire   +1 more source